Vehicle alarm system triggerable cell phone activation circuit

Details Vehicle alarm system triggerable cell phone activation circuit Vehicle alarm system triggerable cell phone activation circuit

1997-08-07

1999-12-28

Eisenzopf, Reinhard J.

Telecommunications

Radiotelephone system

Emergency or alarm communication

455517, 455552, 3404255, 340426, H04M 1100

Patent

active

06009320&

ABSTRACT:
A cell phone activation circuit that includes an activation cable electrically connectable to an alarm output of a vehicle alarm system; a pager mode integrated circuit having a dual tone telephone tone generator and sufficient programmable pager phone number memory to store a pager number; a cell phone mode integrated circuit having a digital to analog audio generating circuit a dual tone telephone tone generator a programmable phone number memory of sufficient size to store a contact phone number, and an audio message memory having an digitized audio message stored therein; a number entry keypad in user selectable connection with the programmable pager phone number memory and the programmable phone number memory; a selector switch wired in connection with the pager mode integrated circuit and the cell phone mode integrated circuit in a manner to allow a user to selectively enable operation of the pager mode integrated circuit and the cell phone mode integrated circuit; a cell phone power on control line output in connection with the activation cable; and a cell phone microphone circuit interface line that is connectable to the microphone circuit of a cell phone and that is in connection with the outputs of the pager mode integrated circuit and the cell phone mode integrated circuit.

REFERENCES:
patent: 5276728 (1994-01-01), Pagliaroli et al.
patent: 5448218 (1995-09-01), Espinosa
patent: 5486806 (1996-01-01), Firari et al.
patent: 5563453 (1996-10-01), Nyfelt

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