Passive encoder for range knobs

Details Passive encoder for range knobs Passive encoder for range knobs

1983-09-27

1986-02-04

Levy, Stewart J.

Measuring and testing

Miscellaneous

324115, 335206, 340688, 200 56R, G01D 310

Patent

active

045677638

ABSTRACT:
An encoding apparatus provides range or other data as determined by the setting of a control or selection knob therefor. The encoding apparatus is intended for use with an instrument providing an output voltage representative of data within a range, and providing output signals indicative of the setting for the range control or selection switch of the instrument. The encoding device is adapted to fit externally of the instrument chassis and is mounted between the range selecting knob and the chassis. The encoding apparatus is non-invasive, requiring no connection to or modification of the internal components of the measuring instrument.

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patent: 3593134 (1971-07-01), Seliber
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patent: 3859651 (1975-01-01), Thomes, Jr.
patent: 4390861 (1983-06-01), Cohen et al.
"Autoranger for DFM"; Elektor, Oct. 1976, pp. 1018-1021, vol. 2, No. 10; R. Decker.
Bureau of Mines Information Circular 8939; "Passive Encoder for Range Knobs"; Aug. 1983; William H. Schiffbauer; 8 pages.

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