System for indicating the operation of a self-timer in an electr

Details System for indicating the operation of a self-timer in an electr System for indicating the operation of a self-timer in an electr

1975-03-14

1977-07-26

Adams, Russell E.

354 23D, 354 60L, G03B 964

Patent

active

040386759

ABSTRACT:
An electric camera shutter of the type having a digital recording and reproducing system has a self-timer mode and has a counter circuit for counting and memorizing pulses produced by a pulse generator. In one mode of operation, the exposure time is controlled in accordance with the memorized content of the counter circuit and when in the self-timer mode, the output of the counter circuit controls the energization of a self-timer operation indicator circuit which indicates operation in the self-timer mode.

REFERENCES:
patent: 3595154 (1971-07-01), Espig
patent: 3824608 (1974-07-01), Toyodu
patent: 3842587 (1974-10-01), Strauss et al.
patent: 3868704 (1975-02-01), Yamada et al.
TTL Cook Book, Don Lancaster, 1974, p. 208.
Designing with TTL Integrated Circuits, prepared by Texas Instruments Inc., 1971, p. 256.

Affiliated with

Also associated with

Rating

System for indicating the operation of a self-timer in an electr does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System for indicating the operation of a self-timer in an electr, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for indicating the operation of a self-timer in an electr will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-730082