Interface circuit for brush wear indicator application

Details Interface circuit for brush wear indicator application Interface circuit for brush wear indicator application

1981-06-15

1983-06-28

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

307116, 310245, 340531, 340679, 361 23, G08B 2100, H02H 708

Patent

active

043908705

ABSTRACT:
An interface circuit for use between a plurality of sensors, such as brush wear detecting sensors, and a single indicating alarm. The interface circuit is operable to transmit a signal from any or all of the sensors to actuate the alarm and latch it in its operative state until the alarm is de-energized by an operator.

REFERENCES:
patent: 3523288 (1970-08-01), Thompson
patent: 3611036 (1971-10-01), Edson
patent: 3696364 (1972-10-01), Lavelle
patent: 3854089 (1974-12-01), Emler
patent: 4024525 (1977-05-01), Baumgartner et al.
patent: 4027204 (1977-05-01), Norbeck
patent: 4079432 (1978-03-01), Godfrey
patent: 4333095 (1982-06-01), Silva

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