Pre Paid Meter With Rf Smart Card Inerface

Abstract: The various embodiments of the present invention provides a prepaid electrical energy meter with a RF smartcard interface to monitor and measure the power consumption level so that the actual measured power consumption is with in the money value recorded in a prepaid card. The meter has a micro controller to measure the power consumption tariff and to compare the measured power tariff with the value stored in the prepaid card to permit or to prevent the power supply to a load. The microcontroller also detects the tamper detection events to trip the power supply to the load. The tamper detection event is stored in a memory along with the date and time stamp.

Patent Information

Application #

Filing Date

30 March 2007

Publication Number

48/2008

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

LARSEN &TOUBRO LIMITED

KIADB INDUSTRIAL AREA , HEBBAL-HOOTAGALLI, MYSORE-570018, KARNATAKA, INDIA

Inventors

1. KASINA BALACHANDER

KIADB INDUSTRIAL AREA , HEBBAL-HOOTAGALLI, MYSORE-570018, KARNATAKA, INDIA

Specification

Documents

Orders

Section	Controller	Decision Date

Application Documents

#	Name	Date
1	0652-che-2007-form 1.pdf	2011-09-03
2	0652-che-2007-description(provisional).pdf	2011-09-03
3	0652-che-2007-correspondnece-others.pdf	2011-09-03
4	652-CHE-2007 FORM-13 06-02-2014.pdf	2014-02-06
5	652-CHE-2007 POWER OF ATTORNEY 06-02-2014.pdf	2014-02-06
6	Letter to the Controller.pdf	2015-06-30
7	FER Response-652CHE2007.pdf	2015-06-30
8	Amended Forms 1, 3, 5, 18 and POA.pdf	2015-06-30
9	Amended and Marked copy of Complete specification.pdf	2015-06-30
10	Amended and Marked copy of Claims.pdf	2015-06-30
11	Amended and Marked copy of Abstract.pdf	2015-06-30
12	652-CHE-2007_EXAMREPORT.pdf	2016-07-02
13	HEARING ADJOURNMENT [05-12-2016(online)].pdf	2016-12-05