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Keyless Entry System

Abstract: Provided herein a keyless entry system preferablz a passive keyless entrz system for automatic locking or unlocking doors of a vehicle comprises a transceiver mounted in a vehicle, a portable key unit configured to communicate with said transceiver in a passive or an active mode, a LFa antenna linked to a door of the vehicle to facilitate said communication, a sensor associated with the door to activate the LF antenna for sensing the kez unit and an actuator connected to the door to lock or unlock the door based on a command received from the transceiver. Therefore, the system advantageously obviated the requirement of modifying existing door of the vehicle and digital multiplexing of LF antennas. Reference Figure 1.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
31 July 2006
Publication Number
38/2008
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application

Applicants

LARSEN & TOUBRO LIMITED
KIADB Industrial Area, Hebbal-Hootagalli, Mysore-570 018. KARNATAKA, INDIA

Inventors

1. SUMIT CHOUDHARY
KIADB Industrial Area, Hebbal-Hootagalli, Mysore-570 018. KARNATAKA, INDIA
2. YOGESH DESAI
KIADB Industrial Area, Hebbal-Hootagalli, Mysore-570 018.
3. HULLEKERE CHANDRACHAR MANJUNATH
KIADB Industrial Area, Hebbal-Hootagalli, Mysore-570 018.

Specification

Documents

Orders

Section Controller Decision Date

Application Documents

# Name Date
1 1353-che-2006-form 5.pdf 2011-09-03
1 1353-CHE-2006_EXAMREPORT.pdf 2016-07-02
2 1353-che-2006-form 3.pdf 2011-09-03
2 Abstract [20-10-2015(online)].pdf 2015-10-20
3 Claims [20-10-2015(online)].pdf 2015-10-20
3 1353-che-2006-form 1.pdf 2011-09-03
4 Correspondence [20-10-2015(online)].pdf 2015-10-20
4 1353-che-2006-drawings.pdf 2011-09-03
5 Description(Complete) [20-10-2015(online)].pdf 2015-10-20
5 1353-che-2006-description(provisional).pdf 2011-09-03
6 Examination Report Reply Recieved [20-10-2015(online)].pdf 2015-10-20
6 1353-che-2006-correspondnece-others.pdf 2011-09-03
7 OTHERS [20-10-2015(online)].pdf 2015-10-20
7 1353-CHE-2006 FORM-18.pdf 2011-11-28
8 1353-CHE-2006 CORRESPONDENCE OTHERS.pdf 2011-11-28
8 1353-CHE-2006 CORRESPONDENCE OTHERS 06-02-2014.pdf 2014-02-06
9 1353-CHE-2006 FORM-13 06-02-2014.pdf 2014-02-06
9 1353-CHE-2006 POWER OF ATTORNEY 06-02-2014.pdf 2014-02-06
10 1353-CHE-2006 FORM-13 06-02-2014.pdf 2014-02-06
10 1353-CHE-2006 POWER OF ATTORNEY 06-02-2014.pdf 2014-02-06
11 1353-CHE-2006 CORRESPONDENCE OTHERS 06-02-2014.pdf 2014-02-06
11 1353-CHE-2006 CORRESPONDENCE OTHERS.pdf 2011-11-28
12 1353-CHE-2006 FORM-18.pdf 2011-11-28
12 OTHERS [20-10-2015(online)].pdf 2015-10-20
13 1353-che-2006-correspondnece-others.pdf 2011-09-03
13 Examination Report Reply Recieved [20-10-2015(online)].pdf 2015-10-20
14 1353-che-2006-description(provisional).pdf 2011-09-03
14 Description(Complete) [20-10-2015(online)].pdf 2015-10-20
15 1353-che-2006-drawings.pdf 2011-09-03
15 Correspondence [20-10-2015(online)].pdf 2015-10-20
16 1353-che-2006-form 1.pdf 2011-09-03
16 Claims [20-10-2015(online)].pdf 2015-10-20
17 1353-che-2006-form 3.pdf 2011-09-03
17 Abstract [20-10-2015(online)].pdf 2015-10-20
18 1353-CHE-2006_EXAMREPORT.pdf 2016-07-02
18 1353-che-2006-form 5.pdf 2011-09-03