Description:FIELD OF THE INVENTION

[0001] The present invention relates to a wearable dual-camera travel authentication and live interaction device that is capable of providing secure verification, real-time guidance, interactive communication, and immersive cultural or educational experiences during user exploration.

BACKGROUND OF THE INVENTION

[0002] Modern travel increasingly demands secure and seamless identity verification while enabling real-time communication. Integrating dual perspectives during authentication enhances accuracy, reduces fraud, and ensures that interactions remain genuine and trustworthy. The capabilities are particularly valuable in busy airports, international transit hubs, and remote travel locations, where verifying identities quickly is critical. By combining authentication with live interaction, travelers experience smoother check-ins, efficient access control, and enhanced engagement with service personnel, ultimately improving safety, convenience, and confidence during journeys across diverse environments.

[0003] The traditional approaches rely on manual identity checks and standard verification procedures, that are time-consuming and prone to human error. The methods struggle to handle high volumes of travelers efficiently and are incapable of accurately confirming identities in real time. Limited interaction capabilities hinder communication between personnel and travelers, reducing responsiveness in critical situations. In busy airports, international terminals, and remote travel points, the limitations cause delays, increase the risk of fraudulent access, and create frustration for both staff and passengers, ultimately compromising safety, efficiency, and overall travel experience.

[0004] US9930257B2 discloses a wearable camera systems according to examples of the present disclosure may include a camera and a mobile charging unit. The camera may include onboard power, memory and control for capturing and storing an image without being connected to the mobile charging unit and the camera body may have a width or a height that is smaller than the length of the camera body. The camera body may include a trigger for initiating image capture. The wearable camera may be attachable to an eyewear temple and the mobile charging unit is configured to recharge the wearable camera without being connected to an external power source.

[0005] US10942491B2 discloses a consumer product that is a portable and, in some cases, a wearable electronic device. The wearable electronic device may have functionalities including: keeping time; monitoring a user's physiological signals and providing health-related information based on those signals; communicating with other electronic devices or services; visually depicting data on a display; gather data form one or more sensors that may be used to initiate, control, or modify operations of the device; determine a location of a touch on a surface of the device and/or an amount of force exerted on the device, and use either or both as input.

[0006] Conventionally, many devices disclosed in the prior art provides a means for travel authentication that rely on manual identity checks, routine verification, and in-person confirmations by personnel. The devices are time-intensive, inconsistent, and prone to human error, resulting in delays, increased risk of fraudulent access, and reduced traveler satisfaction. Moreover, the devices limits scalability, decreases operational efficiency, and hinders authorities from quickly and accurately verifying identities while maintaining smooth and secure travel operations.

[0007] In order to overcome the aforementioned drawbacks, there exists a need in the art to develop a device that requires to be capable of delivering reliable identity verification, immediate guidance, and interactive communication, while also capturing engaging cultural or educational experiences during travel. The device also needs to enhance traveler security, ensure accurate authentication, improve operational efficiency, and provide seamless, trustworthy, and enriched interactions across varied environments.

OBJECTS OF THE INVENTION

[0008] The principal object of the present invention is to overcome the disadvantages of the prior art.

[0009] An object of the present invention is to develop a device that provides secure verification of a user’s presence and travel authentication in real-time.

[0010] Another object of the present invention is to develop a device that delivers interactive guidance, contextual information, and assistance to users during exploration or travel.

[0011] Yet another object of the present invention is to develop a device that offers immersive educational and cultural experiences, enhancing user engagement and understanding during sightseeing, museum visits, and other travel activities.

[0012] The foregoing and other objects, features, and advantages of the present invention will become readily apparent upon further review of the following detailed description of the preferred embodiment as illustrated in the accompanying drawings.

SUMMARY OF THE INVENTION

[0013] The present invention relates to a wearable dual-camera travel authentication and live interaction device that is capable of providing secure user verification, real-time interactive guidance, contextual travel assistance, and immersive educational or cultural experiences during exploration in varied environments.

[0014] According to an aspect of the present invention, a wearable dual-camera travel authentication and live interaction device comprises , a wearable harness, a capture and authenticity validation arrangement on the harness for visually capturing a user and surrounding locations respectively, a SMA element with the harness to enable real-time adaptive adjustment to different body sizes and chest contours, a Lycra spandex with the harness to provide elasticity, comfort, a hybrid fabrication with the harness to enable stable device positioning during walking, trekking, climbing, and prolonged wear, a bilingual conversational interaction arrangement with the harness to enable communication between the device and the user, a content moderation module with the harness to enable compliant audio interaction, a travel-mode adaptive sensing module with the harness to configure device behavior based on the user’s current activity context, a historical site contextual intelligence module with the harness to provide in-depth informational assistance during cultural exploration, a food recognition and nutritional inference module with the harness to enable real-time dietary awareness during travel, the authenticity validation arrangement includes a first AI camera and second AI camera with the harness for capturing the user’s face, and a sign-language recognition and translation module with the harness to employ the second camera to capture hand gestures and body movements corresponding to sign language and interpret captured gesture sequences by employing trained sign-language recognition models.

[0015] According to another aspect of the present invention, the device further comprises of a holographic projector on the harness to provide immersive instructional and interpretive output, a translation engine with the harness to translate between a regional language and a global language, and a content modulation module with the harness to evaluate spoken content for predefined offensive or prohibited patterns during live streaming or public broadcasting modes and upon detection of potentially offensive speech, to automatically disable the microphone array while maintaining video capture continuity, thereby preventing the dissemination of non-compliant audio content.

[0016] While the invention has been described and shown with particular reference to the preferred embodiment, it will be apparent that variations might be possible that would fall within the scope of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

[0017] These and other features, aspects, and advantages of the present invention will become better understood with regard to the following description, appended claims, and accompanying drawings where:
Figure 1 illustrates an isometric view of a wearable dual-camera travel authentication and live interaction device.

DETAILED DESCRIPTION OF THE INVENTION

[0018] The following description includes the preferred best mode of one embodiment of the present invention. It will be clear from this description of the invention that the invention is not limited to these illustrated embodiments but that the invention also includes a variety of modifications and embodiments thereto. Therefore, the present description should be seen as illustrative and not limiting. While the invention is susceptible to various modifications and alternative constructions, it should be understood, that there is no intention to limit the invention to the specific form disclosed, but, on the contrary, the invention is to cover all modifications, alternative constructions, and equivalents falling within the spirit and scope of the invention as defined in the claims.

[0019] In any embodiment described herein, the open-ended terms "comprising," "comprises,” and the like (which are synonymous with "including," "having” and "characterized by") may be replaced by the respective partially closed phrases "consisting essentially of," consists essentially of," and the like or the respective closed phrases "consisting of," "consists of, the like.

[0020] As used herein, the singular forms “a,” “an,” and “the” designate both the singular and the plural, unless expressly stated to designate the singular only.

[0021] The present invention relates to a wearable dual-camera travel authentication and live interaction device that is capable of providing secure verification of a user’s presence, delivering interactive guidance, facilitating real-time communication, offering contextual travel assistance, and enabling immersive educational and cultural experiences during exploration or movement in diverse environments.

[0022] Referring to Figure 1, an isometric view of a wearable dual-camera travel authentication and live interaction device is illustrated, comprising a wearable harness 101, a first artificial intelligence (AI) camera 102 installed on the harness 101, a second AI camera 103 mounted on the harness 101, an array of microphones 104 installed on the harness 101, a speaker 105 integrated on the housing 101, a holographic projector 106 mounted on the harness 101.

[0023] The device disclosed herein comprises of a wearable harness 101 fabricated of hybrid of shape memory alloy (SMA) elements interwoven with Lycra spandex fibers. The wearable harness 101 is ergonomically designed to conform to the contours of the upper torso, providing secure and stable positioning of attached devices during varied physical activities. Its lightweight, flexible framework ensures comfort, unrestricted movement, and balanced weight distribution, allowing prolonged wear without discomfort during walking, trekking, or exploration.

[0024] The SMA elements enable real-time adaptive adjustment to different body sizes and chest contours. The SMA elements embedded within the harness 101 enable dynamic structural adaptation by altering their shape in response to thermal or electrical stimuli. This feature allows the harness 101 to adjust to varying body dimensions, maintaining consistent tension and support. The SMA elements provide resilience and structural memory, ensuring the harness 101 retains its optimal form even after repeated use or external stress.

[0025] The Lycra spandex fiber of the harness 101 provides elasticity, comfort, the hybrid fabrication enables stable device positioning during walking, trekking, climbing, and prolonged wear. The Lycra spandex fibers interwoven within the harness 101 impart elasticity and stretchability, allowing the device to move naturally with the user. These fibers enhance comfort by accommodating body movements without constriction, ensuring snug yet flexible wear. The inherent elasticity contributes to secure positioning of components, prevents slippage, and supports extended usage while maintaining consistent fit and comfort during active travel.

[0026] In an embodiment of the present invention, for initiating functionality of the device, the user manually presses a push-button installed on the harness 101. The push button serves as the primary means for turning the device on and off. The push button is typically made from polycarbonate. When push button is pressed to switch on the device it allows current to flow. This sends a signal to the device's processing unit, instructing it to activate the device. The processing unit then powers up the device, enabling them to function.

[0027] After activation of the device, the processing unit activates a capture and authenticity validation arrangement, includes a first artificial intelligence (AI) camera 102 and a second AI camera 103 mounted on the harness 101, for visually capturing a user and surrounding locations respectively. The first camera 102 is positioned for capturing the user’s face. The first AI camera 102 captures the user’s facial images in real time. The first AI camera 102 employs embedded image sensors and onboard AI modules to detect facial landmarks, expressions, and orientation. The captured frames are processed locally to enhance clarity, adjust exposure, and reduce motion blur. The AI protocols ensure accurate feature extraction and optimize image quality under varying lighting conditions. The processed data is then prepared for synchronization and subsequent authentication analysis.

[0028] The second camera 103 is positioned opposite to the first camera 102 for capturing the surroundings. the cameras 102, 103 synchronized for simultaneous frame capture. When activated by the processing unit, the second AI camera 103 captures the surrounding environment, including landscapes, objects, and contextual landmarks. The second AI camera 103 integrates depth sensing, optical stabilization, and AI-based scene recognition to identify key environmental features. The camera 103 continuously analyzes captured frames to adjust focus, exposure, and color balance. Onboard AI models classify objects and landmarks in real time, producing enriched visual data that can be correlated with location and temporal metadata for contextual interpretation and travel assistance functionalities.

[0029] Both the captured images by the first AI camera 102 and the second AI camera 103 are cryptographically bound with time, location, and device identity metadata to form a verifiable authenticity record indicative of user’s presence at the location. Each frame is combined with metadata, including time, GPS coordinates, and device identifiers. This combined data undergoes cryptographic hashing to generate a unique digital fingerprint. The hash is then signed using secure cryptographic keys, ensuring integrity and tamper resistance. Any alteration of images or metadata detected by recomputing and verifying the hash, providing a secure, verifiable link between the user, location, and captured visual data.

[0030] A bilingual conversational interaction arrangement is associate with the device to enable communication between the device and the user. The interaction arrangement includes an array of microphones 104, and a speaker 105 in conjunction with a translation engine. The array of microphones 104 captures ambient and user-generated audio signals, converting sound waves into electrical signals through diaphragm-based transducers. These signals are preprocessed to filter noise, normalize volume, and detect directional sources. The processed audio is then digitized and sent to the processing unit for further analysis. The microphone 104 array enables spatial audio detection, distinguishing user voice from background noise, and supports real-time input for conversational interaction, translation, and content monitoring functionalities, ensuring clear and accurate capture even in dynamic environments.

[0031] The speaker 105 converts digitally processed audio signals from the processing unit into audible sound waves using an electromechanical transducer. The transducer modulates diaphragm movement to reproduce synthesized or translated speech, environmental feedback, and instructional audio. The speaker 105 integrates real-time amplification and acoustic optimization to maintain clarity across varying ambient conditions. Its output is dynamically controlled by the processing unit, enabling volume, tone, and duration adjustments according to context, such as conversational interactions, notifications, or projection-based instructional cues during travel or cultural exploration.

[0032] The translation engine is configured to translate between a regional language and a global language. The engine processes voice inputs captured through the microphone 104 array and generates spoken responses through the speaker 105, enabling the user to request directions, contextual information, travel assistance, and status updates.

[0033] The translation engine processes digitized voice input captured by the microphones 104, converting speech into text using speech recognition models. The text is then analyzed for semantic and syntactic structure, followed by translation into the target language using neural machine translation protocols. The translated output is converted back into synthesized speech, which the speaker 105 renders in real time. The engine continuously adapts to contextual phrases, regional dialects, and user preferences, enabling seamless bilingual conversational interaction and accurate communication assistance during travel or cultural exploration.

[0034] A content moderation module is associated with the device to enable compliant audio interaction. The content modulation module is configured to evaluate spoken content for predefined offensive or prohibited patterns during live streaming or public broadcasting modes. The content moderation module continuously monitors captured audio streams for offensive or prohibited speech patterns using pre-trained natural language processing models. The moderation module evaluates semantic context, keyword matches, and sentiment to detect non-compliant content in real time.

[0035] Upon detection potentially offensive speech, the content moderation module signals the processing unit to temporarily disable the microphones 104 while maintaining video capture. This ensures uninterrupted visual recording while preventing dissemination of restricted audio. Logs of flagged content are stored in a database associated with the device for compliance verification and potential post-processing analysis.

[0036] An ambient light sensor is installed on the harness 101 to monitor illumination conditions.

[0037] Further, a travel-mode adaptive sensing module is installed on the harness 101 to configure device behaviour based on the user’s current activity context. The travel-mode adaptive sensing module is configured to activate atleast one of multiple predefined modes, including trekking mode, urban exploration mode, museum mode, food exploration mode, and assisted communication mode.

[0038] The travel-mode adaptive sensing module continuously monitors user activity and environmental inputs to determine the current context, such as trekking, urban exploration, museum visits, food exploration, or assisted communication. The module activates the corresponding sensors and processing routines based on predefined thresholds and patterns. Data from the cameras, motion sensors, ambient light, and physiological inputs are analyzed to adjust device behaviour in real time, ensuring optimal functionality, energy efficiency, and user comfort across different travel scenarios.

[0039] Upon activation of trekking mode, the processing unit activates a photo plethysmography (PPG) sensor to measure heart rate, exertion levels, and physiological stress. The PPG sensor measures physiological signals by emitting light into the user’s skin and detecting reflected light variations caused by blood flow. The sensor’s photodetector captures these fluctuations, which are then processed by the processing unit to calculate heart rate, exertion levels, and stress indicators. This data is used to adapt device behaviour, alert the user of overexertion, and enhance health-aware travel assistance.

[0040] A historical site contextual intelligence module is configured with the device to provide in-depth informational assistance during cultural exploration. The historical site contextual intelligence module employs location recognition, visual landmark identification from the second camera 103, and content from the interlinked database to identify museums, monuments, sculptures, and historical artifacts.

[0041] The database stores structured and unstructured data related to landmarks, historical sites, museums, food items, and contextual travel information. It is organized for efficient querying and retrieval, with indices enabling rapid access based on location, object type, or user context. The processing unit interfaces with the database to fetch, update, and synchronize relevant content in real time. Advanced search and pattern-matching protocols enable to correlate visual or environmental inputs with stored data, supporting contextual guidance, historical interpretation, and dietary analysis during travel.

[0042] The historical site contextual intelligence module integrates location recognition, visual landmark detection via the second camera 103, and the database queries to identify historical sites, monuments, museums, sculptures, and artifacts. AI models analyze captured images to classify and correlate landmarks with stored content. Upon recognition, the module instructs the processing unit to trigger audio and visual outputs, including informative narratives and holographic projections. Continuous real-time feedback allows dynamic content updates based on user position, orientation, and interest, enabling immersive cultural exploration and accurate contextual assistance.

[0043] Upon determination of a historical artifacts, the processing unit activates a holographic projector 106 mounted on the harness 101 in conjunction with the speaker 105 to provide detailed historical, cultural, and interpretive information, facilitating immersive instructional and interpretive output. The holographic projector 106 receives processed content from the processing unit and converts digital data into three-dimensional visual projections. The projector 106 employs light modulation, laser-based projection to render images in mid-air. Projection parameters, including intensity, duration, size, and angle, are dynamically adjusted based on ambient lighting, user proximity, and contextual relevance. The projector 106 supports instructional content, historical reconstructions, and sign language demonstrations, providing interactive and immersive visual guidance that complements auditory and contextual information delivered by the device.

[0044] A food recognition and nutritional inference module is associated with the device to enable real-time dietary awareness during travel. The food recognition and nutritional inference module employs the second camera 103 integrated with auxiliary optical, spectral, and depth-sensing protocols to analyze food items present in the user’s field of view. The module uses the second camera 103, combined with optical, spectral, and depth-sensing data, to detect and identify food items in the user’s field of view. The AI models analyze shape, color, texture, and portion size to classify food types and estimate nutritional content. Processed results are transmitted to the processing unit for real-time dietary awareness, recommendations, and contextual guidance during travel.

[0045] Additionally, a sign-language recognition and translation module employing the second camera 103 to capture hand gestures and body movements corresponding to sign language. The sign-language recognition and translation module is configured to interpret captured gesture sequences by employing trained sign-language recognition models and the interpreted words and phrases are output through the speaker 105, enabling spoken translation of sign language in real time.

[0046] The sign-language recognition models analyze video input from the second camera 103 to detect hand gestures, finger positions, and body movements. Advanced AI protocols, including convolutional neural networks and sequence modeling, track temporal gesture patterns and spatial relationships. Captured gesture sequences are mapped to corresponding words or phrases using pre-trained linguistic datasets. The processing unit interprets these outputs in real time, converting recognized signs into spoken or text translations, enabling seamless communication between sign-language users and others during travel or interactive scenarios.

[0047] The projector 106 displays sign language gestures and renders historical reconstructions during museum or cultural exploration. Projection parameters, including brightness, duration, and content, are dynamically adjusted based on ambient lighting conditions detected by the ambient light sensor, the user’s distance and orientation, and the contextual relevance of the material, ensuring clear, immersive, and interactive visual guidance that complements auditory and informational outputs.

[0048] All the modules are embedded in a non-volatile memory to be executed by the processing unit. The non-volatile memory stores instructions, configurations, and data for all the modules, retaining information even when the device is powered off. The memory allows the processing unit to execute protocol routines. Data is organized in structured storage blocks, enabling rapid read/write access while ensuring integrity and reliability. Updates, logs, and user-specific settings are persistently stored, supporting real-time module execution and seamless operation of the device across multiple travel sessions without data loss.

[0049] Lastly, a battery is associated with the device as the primary power source for all electrical and electronic components, ensuring portability and uninterrupted operation. supplies current to all the components that need electric power to perform their functions and operation in an efficient manner. The battery utilized here is generally a dry battery which is made up of Lithium-ion material that gives the device a long-lasting as well as an efficient DC (Direct Current) current which helps every component to function properly in an efficient manner. The device is battery-operated and does not need any electrical voltage to function.

[0050] The present invention works best in the following manner, where the wearable harness 101 is secured to the user, providing stable positioning and comfortable wear. The first AI camera 102 captures the user’s face, while the second AI camera 103 captures surrounding locations. Captured images are cryptographically bound with time, location, and device identity to form verifiable authenticity records. The microphone 104 array captures audio, and the speaker 105 outputs synthesized speech. The translation engine converts voice between regional and global languages, enabling bilingual interaction. The content moderation module monitors audio for prohibited content, disabling microphones 104 if necessary without interrupting video capture. The travel-mode adaptive sensing module activates modes such as trekking, urban exploration, museum, food exploration, or assisted communication. In trekking mode, the PPG sensor measures heart rate, exertion, and stress. The historical site contextual intelligence module identifies landmarks and artifacts using the second camera 103 and the database, and triggers the speaker 105 and holographic projector 106 to provide immersive historical and cultural information. The food recognition and nutritional inference module analyzes food using the second camera 103 and auxiliary sensors, providing real-time dietary guidance. The sign-language recognition and translation module interprets gestures via the second camera 103 and outputs spoken translations through the speaker 105. All modules are executed by the processing unit from instructions stored in the non-volatile memory.

[0051] Although the field of the invention has been described herein with limited reference to specific embodiments, this description is not meant to be construed in a limiting sense. Various modifications of the disclosed embodiments, as well as alternate embodiments of the invention, will become apparent to persons skilled in the art upon reference to the description of the invention. , Claims:1) A wearable dual-camera travel authentication and live interaction device, comprising:
a) a wearable harness 101 fabricated of hybrid of shape memory alloy (SMA) elements interwoven with Lycra spandex fibers;
b) a capture and authenticity validation arrangement, the arrangement includes a first artificial intelligence (AI) camera 102 and a second AI camera 103 mounted on the harness 101, for visually capturing a user and surrounding locations respectively;
c) a bilingual conversational interaction arrangement enables communication between the device and the user, the arrangement includes an array of microphones 104, a speaker 105 in conjunction with a translation engine;
d) a content moderation module to enable compliant audio interaction;
e) a travel-mode adaptive sensing module to configure device behavior based on the user’s current activity context;
f) a historical site contextual intelligence module configured to provide in-depth informational assistance during cultural exploration;
g) a food recognition and nutritional inference module enables real-time dietary awareness during travel;
h) a sign-language recognition and translation module employing the second camera 103 to capture hand gestures and body movements corresponding to sign language;
i) a holographic projector 106 mounted on the harness 101 configured to provides immersive instructional and interpretive output; and
j) a processing unit,
wherein the modules are embedded in a non-volatile memory to be executed by the processing unit.

2) The device as claimed in claim 1, wherein the SMA elements enable real-time adaptive adjustment to different body sizes and chest contours and the Lycra spandex provides elasticity, comfort, the hybrid fabrication enables stable device positioning during walking, trekking, climbing, and prolonged wear.

3) The device as claimed in claim 1, wherein the first camera 102 is positioned for capturing the user’s face while the second camera 103 is positioned opposite to the first camera 102, positioned for capturing the surroundings, the cameras synchronized for simultaneous frame capture, both captured images are cryptographically bound with time, location, and device identity metadata to form a verifiable authenticity record indicative of user’s presence at the location.

4) The device as claimed in claim 1, wherein the translation engine is configured to translate between a regional language and a global language, the engine processes voice inputs captured through the microphone 104 array and generates spoken responses through the speaker 105, enabling the user to request directions, contextual information, travel assistance, and status updates.

5) The device as claimed in claim 1, wherein the content modulation module is configured to evaluate spoken content for predefined offensive or prohibited patterns during live streaming or public broadcasting modes and upon detection of potentially offensive speech, the module automatically disables the microphone 104 array while maintaining video capture continuity, thereby preventing the dissemination of non-compliant audio content.

6) The device as claimed in claim 1, wherein the travel-mode adaptive sensing module is configured to activate atleast one of multiple predefined modes, including trekking mode, urban exploration mode, museum mode, food exploration mode, and assisted communication mode, upon activation of trekking mode, the processing unit activates a photo plethysmography (PPG) sensor, to measure heart rate, exertion levels, and physiological stress.

7) The device as claimed in claim 1, wherein the historical site contextual intelligence module employs location recognition, visual landmark identification from the second camera 103, and content from an interlinked database to identify museums, monuments, sculptures, and historical artifacts and upon determination of a historical artifact, the speaker 105 and the projector 106 provides detailed historical, cultural, and interpretive information.

8) The device as claimed in claim 1, wherein the food recognition and nutritional inference module employs the second camera 103 integrated with auxiliary optical, spectral, and depth-sensing protocols to analyze food items present in the user’s field of view, an integrated ambient light sensor monitors illumination conditions.

9) The device as claimed in claim 1, wherein the sign-language recognition and translation module is configured to interpret captured gesture sequences by employing trained sign-language recognition models and the interpreted words and phrases are output through the speaker 105, enabling spoken translation of sign language in real time.

10) The device as claimed in claim 1, wherein the projector 106 is configured to demonstrate sign language gestures and to visualize historical reconstructions during museum exploration, the projection intensity, duration, and content are dynamically regulated based on ambient lighting, user proximity, and contextual relevance.