Fail-safe active timing circuit

Details Fail-safe active timing circuit Fail-safe active timing circuit

1975-02-21

1976-05-04

Envall, Jr., R. N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307293, H03K 1726

Patent

active

039551253

ABSTRACT:
A fail-safe timing circuit which includes a variable passive timing element and an active timer or timing device so as to control a device, for example, a fail-safe or B-relay such as is used in railroad signaling.

REFERENCES:
patent: 3473054 (1969-10-01), Wieczdrek
patent: 3693031 (1972-09-01), Eaton
patent: 3774082 (1973-11-01), Chang
patent: 3814991 (1974-06-01), Hewitt

Affiliated with

Also associated with

Rating

Fail-safe active timing 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 Fail-safe active timing circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fail-safe active timing circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-682293