Circuit for detecting trouble in electric lines connecting relat

Details Circuit for detecting trouble in electric lines connecting relat Circuit for detecting trouble in electric lines connecting relat

1975-06-27

1977-07-12

Reynolds, Bruce A.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219471, H05B 102

Patent

active

040356124

ABSTRACT:
A circuit for detecting trouble in a sliding contact mechanism comprising a fixed contact portion and a movable contact portion, said fixed portion being connected to an electric power source.
A radio-frequency signal is generated when insufficient electrical connection is caused in the sliding contact mechanism by, for example, depositing dusts thereon, said signal being delivered to a suitable alarm device to indicate the troublesome state.

REFERENCES:
patent: 3484581 (1969-12-01), Bliss
patent: 3588445 (1971-06-01), Hopkins
patent: 3697726 (1972-10-01), Geronime
patent: 3742191 (1973-06-01), Poole

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