Programmable capacitive horn switch

Details Programmable capacitive horn switch Programmable capacitive horn switch

1997-10-03

1999-08-24

Paladini, Albert W.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

307119, 307129, 307 101, 331177R, 34038473, 116142R, 200 6154, G08B 300

Patent

active

059428155

ABSTRACT:
A flexible capacitor is used in a switch circuit arrangement for activating a vehicle horn. The switch circuit arrangement includes an astable circuit having a flexible capacitor. The astable circuit generates a signal having a frequency that varies in response to force applied to the capacitor. A programmed frequency sensor activates a horn activation signal if the frequency of the signal falls below a programmed threshold.

REFERENCES:
patent: 3876977 (1975-04-01), Ladewig
patent: 4090092 (1978-05-01), Serrano
patent: 4529968 (1985-07-01), Hilsum et al.
patent: 5338059 (1994-08-01), Inoue et al.
patent: 5398962 (1995-03-01), Kropp
patent: 5431437 (1995-07-01), Nichols et al.

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