Position sensor

Details Position sensor Position sensor

1980-12-10

1983-02-22

Trafton, David L.

Communications: electrical

Selective

Having indication or alarm

33125W, 324 58R, 340553, 340686, 343 12R, B66B 302, G01S 124

Patent

active

043750575

ABSTRACT:
Microwave signals are injected at one end of a slotted waveguide containing a shorting stub which is moved along the length of the waveguide. The distance to the shorting stub is determined from the comparative phase characteristics of the injected signals reflected back from the shorting stub.

REFERENCES:
patent: 2665420 (1954-01-01), Winterhalter
patent: 2947985 (1960-08-01), Cooley
patent: 3121955 (1964-02-01), King
patent: 3278922 (1966-10-01), Andrews
patent: 3560970 (1971-02-01), Kamimura et al.
patent: 4041495 (1977-08-01), Martin

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