Head lamp control circuit

Details Head lamp control circuit Head lamp control circuit

1978-07-05

1980-12-09

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Current and/or voltage regulation

307265, 315208, 315209R, 331108D, 362106, 362157, 362295, 362296, H05B 3702, F21L 1514

Patent

active

042387094

ABSTRACT:
A battery powered variable intensity hat mounted head lamp with a lamp shell mounting a lens and reflector assembly including an oscillator switching a power transistor mounted on the lamp shell for heat dissipation to control the lamp bulb, a printed circuit board in the lamp shell mounting the lamp bulb and the oscillator components, and a potentiometer mounted on the lamp shell for simultaneously varying both the on time and the off time in the duty cycle of the oscillator.

REFERENCES:
patent: 3431464 (1969-03-01), Brischnik
patent: 3800136 (1974-03-01), Edelson
patent: 3821600 (1974-06-01), Wesner
Dean et al., Astable and Monostable Oscillators using Integrated _Circuits, RCA Application Note ICAN-6267, Mar. 1971, pp. 353-360.
Low Speed Astable Uses C.M.O.S., Electronic Engineering, _Dec. 1973, p. 13.

Affiliated with

Also associated with

Rating

Head lamp control circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Head lamp control circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Head lamp control circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2282523