Fail transistor detection and display system for electrical disc

Details Fail transistor detection and display system for electrical disc Fail transistor detection and display system for electrical disc

1986-02-28

1988-03-22

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

361 91, B23H 102, H02H 300

Patent

active

047330589

ABSTRACT:
An EDM circuit that detects power transistor switch failure. A comparator 62 and a sample and hold stage 60 are used during a window of time formed by the off-time of a pulse generator to determine whether power switch MOSFET 30 is conducting. If MOSFET 30 is conducting during the off-time of the pulse generator LED 72 will emit light to indicate a failed power transistor switch.

REFERENCES:
patent: 3609281 (1971-09-01), Kauffman
patent: 3673371 (1972-06-01), Smith et al.
patent: 3697719 (1972-10-01), Verner et al.
patent: 3699301 (1972-10-01), Losey
patent: 3705969 (1972-12-01), Bell, Jr.
patent: 3748569 (1973-07-01), Frank et al.
patent: 3825713 (1974-07-01), Bell, Jr.
patent: 3851134 (1974-11-01), Takarada
patent: 3884790 (1975-05-01), Kobayashi et al.
patent: 4363068 (1982-12-01), Burns
patent: 4385337 (1983-05-01), Asano et al.
patent: 4503477 (1985-03-01), Henriksen et al.
patent: 4620258 (1986-10-01), Bloomer

Affiliated with

Also associated with

Rating

Fail transistor detection and display system for electrical disc 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 transistor detection and display system for electrical disc, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fail transistor detection and display system for electrical disc will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-443420