Television receiver having single pole double throw rotary switc

Details Television receiver having single pole double throw rotary switc Television receiver having single pole double throw rotary switc

1987-01-09

1987-10-27

Scott, J. R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

200 11G, H01H 2168, H01J 2954

Patent

active

047032332

ABSTRACT:
A single pole double throw rotary switch includes a non-conductive terminal board. A washer-like wiper element is rotatably secured to the terminal board by a tubular rivet. An outwardly extending portion of the wiper element selectively engages one of a pair of output terminals. When the wiper element occupies a midrange position, the rotary switch is electrically open. A non-conductive actuating member is rotatably mounted on the terminal board for positioning the wiper element.

REFERENCES:
patent: 1672123 (1928-06-01), Hartranft
patent: 2570960 (1951-10-01), Lutsky et al.
patent: 3371167 (1968-02-01), Soulakis, Jr.
patent: 3531603 (1970-09-01), Ashman
patent: 3566049 (1971-02-01), Wright
patent: 4195208 (1980-03-01), Petre
patent: 4206334 (1980-06-01), LaRock
patent: 4219796 (1980-08-01), Nishizawa
HDK sales brochure on variable resistors and tact switches.

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