Accessory channel expander for vehicle alarm system

Details Accessory channel expander for vehicle alarm system Accessory channel expander for vehicle alarm system

1997-11-05

1999-02-09

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

34082572, 34082576, 1231792, 307 101, 701 2, B60Q 100, G08C 1900

Patent

active

058700170

ABSTRACT:
An accessory channel expander for a vehicle alarm that includes a scrolling mechanism that scrolls through the possible accessory channels until a channel is selected by the user with the remote control activated single auxiliary or accessory channel output of the alarm system. In a preferred embodiment, the accessory channel expander for a vehicle alarm includes an inverting input buffer, a ring counter, a channel expander oscillator, a channel expander reset timer, a channel activation register, a channel activation register reset network, a first number of channel indicator LFDs, and a channel activation decoding and channel relay drive circuit.

REFERENCES:
patent: 3947819 (1976-03-01), Wells
patent: 4236594 (1980-12-01), Ramsperger
patent: 4754255 (1988-06-01), Sanders et al.
patent: 4893240 (1990-01-01), Karkouti
patent: 5095865 (1992-03-01), Keister
patent: 5349931 (1994-09-01), Gottlieb et al.
patent: 5601058 (1997-02-01), Dyches et al.

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