Position-to-digital encoder

Details Position-to-digital encoder Position-to-digital encoder

Filed on

1978-08-21

Date issued

1980-07-08

Examiner

Miller, Charles D.

Patent Class

Communications: electrical

SubClass

Audible indication

SubSubClass

Percussion-type sound producer

Other Related Categories

354 23D, 340347DD, 200 11R, G08C 908

Type

Patent

Status

active

Patent number

042120004

Description

ABSTRACT:
A position-to-digital encoder for generating digital signals in the form of binary code in accordance with the relative positions between a pair of brush contacts and a series of contacts arranged in order. The latter contacts are disposed in a row along the path of movement of the brush contacts, with equal pitches and gaps between adjacent contacts. The brush contacts are spaced from each other along their path of movement with such a distance that two brush contacts are in contact with a single one of the series of contacts or with an adjacent two of the series of contacts, respectively. One line extends from each contact to a decoder which generates signals in accordance with which contact or contacts of the contact series is engaged by the brush contacts. The decoder generates different signals in accordance with whether a single or double contact is engaged by the brush contacts so that (2n-1) different signals may be obtained as a function of the relative position between the brush, contacts and the series of contacts, where n is the number of the latter contacts.

REFERENCES:
patent: 2666912 (1954-01-01), Gow
patent: 2752093 (1956-06-01), Bush
patent: 2872671 (1959-02-01), Walton
patent: 3141160 (1964-07-01), Hartke
patent: 3206740 (1965-09-01), Maclay
patent: 3688304 (1972-08-01), Rasch
patent: 3710375 (1973-01-01), Brean

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