Communication apparatus

Details Communication apparatus Communication apparatus

1997-09-19

2000-03-14

Hofsass, Jeffery A.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

3404255, 34082531, 34082534, 307 102, 180287, B60R 2510

Patent

active

060378581

ABSTRACT:
A communication apparatus for preventing an unauthorized use of a lost transmitter, and for making a use of that transmitter possible by a simple operation when the lost transmitter is subsequently found, including a receiver having a storage unit for storing an ID code, a signal processing unit for comparing a received ID code transmitted from a transmitter with the stored ID code, and for transmitting a control signal corresponding to a function code received from the transmitter to a controlled unit when the received ID code matches the stored ID code, and a mode control unit for either setting the operation mode of the signal processing unit to a ID code write mode in which a the received ID code is written into the storage unit, for setting to a control signal output stop mode which stops an output of the control signal from the signal processing unit to prevent unauthorized use of a lost transmitter, or resetting from the control signal output stop mode to a normal mode to allow re-use of the lost transmitter, when subsequently found.

REFERENCES:
patent: 5377270 (1994-12-01), Koopman, Jr. et al.
patent: 5406274 (1995-04-01), Lambropoulos et al.
patent: 5506575 (1996-04-01), Ormos
patent: 5513105 (1996-04-01), Krones
patent: 5602536 (1997-02-01), Henderson et al.
patent: 5635916 (1997-06-01), Bucholtz et al.
patent: 5648764 (1997-07-01), Nose et al.
patent: 5677680 (1997-10-01), Yoda
patent: 5742236 (1998-04-01), Cremers et al.
patent: 5783989 (1998-07-01), Issa et al.

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