Electric horn with solid state driver

Details Electric horn with solid state driver Electric horn with solid state driver

1989-11-03

1991-09-17

Orsino, Joseph A.

Communications: electrical

Audible indication

Diaphragm

340384E, G08B 310

Patent

active

050498533

ABSTRACT:
An electric horn having a diaphragm connected to a ferromagnetic plunger is driven by an electromagnetic coil to cause vibrations of the diaphragm at the resonant frequency of the diaphragm and plunger combination. A solid state driver has a timer tuned essentially to the frequency of the diaphragm assembly and controls the driver power output to effect coil energization to drive the diaphragm movement synchronously with the timer frequency. The driver output stage comprises a power MOSFET or a Darlington pair.

REFERENCES:
patent: Re28745 (1976-03-01), Smith
patent: 3447151 (1969-05-01), Potter
patent: 3846792 (1974-11-01), Haigh
patent: 3872470 (1975-03-01), Hoerz et al.
patent: 4100543 (1978-07-01), Stockdale et al.
patent: 4195284 (1980-03-01), Hampshire et al.
patent: 4275388 (1981-06-01), Hornung
patent: 4361952 (1982-12-01), Neese
patent: 4482888 (1984-11-01), Todaka et al.
patent: 4488145 (1984-12-01), Katsuma et al.
patent: 4499453 (1985-02-01), Right
patent: 4684927 (1987-08-01), Zofan et al.
patent: 4700177 (1987-10-01), Nakashima et al.

Affiliated with

Also associated with

Rating

Electric horn with solid state driver does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electric horn with solid state driver, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electric horn with solid state driver will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1919560