Assembly for fine adjustment of a variable impedance mechanism

Details Assembly for fine adjustment of a variable impedance mechanism Assembly for fine adjustment of a variable impedance mechanism

1974-10-10

1976-01-27

Mayewsky, Volodymyr Y.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338130, 338180, H01C 502

Patent

active

039355551

ABSTRACT:
An assembly for fine adjustment of a variable impedance mechanism is disclosed wherein a first disk-shaped rotary member, which functions as a knob, has a spiral ridge or groove formed on one side surface thereof for engagement with the teeth of a second disk-shaped rotary member or teethed wheel whose shaft is in turn coupled to the rotary shaft of a variable impedance element. When the first rotary member makes one rotation, the second rotary member is advanced one tooth, whereupon the fine adjustment of the variable impedance element is possible.

REFERENCES:
patent: 3150343 (1964-09-01), Lippman
patent: 3201737 (1965-08-01), Mathison
patent: 3416119 (1968-12-01), Van Benthuysen et al.
patent: 3582857 (1971-06-01), Kishel
patent: 3701070 (1972-10-01), Baldwin et al.
patent: R25725 (1965-02-01), Ferrell et al.

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