Communications: electrical – Continuously variable indicating – With meter reading
Patent
1994-02-18
2000-08-15
Zimmerman, Brian
Communications: electrical
Continuously variable indicating
With meter reading
34082569, 340693, 340568, H04Q 100
Patent
active
061043095
ABSTRACT:
An anti-theft system for an automotive electronic accessory, such as an automotive audio device, has a security device including a sensor for sensing any abnormal state of the electronic accessory, a siren, and a remote control unit for controlling arming and disarming of the system. The system also includes the electronic accessory itself, which is enabled to operate only when a predetermined code is input thereto after turning on its electrical power supply. The predetermined code is input to the electronic accessory through the security device in response to the arming or disarming command from the remote control unit.
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Alpine Electronics Inc.
Zimmerman Brian
LandOfFree
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