Displacement transducer

Details Displacement transducer Displacement transducer

1979-02-12

1980-06-03

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

G01B 702

Patent

active

042054516

ABSTRACT:
PCT No. PCT/US 79/00076 Sec. 371 Date Feb. 12, 1979 Sec. 102(e) Date Feb. 12, 1979, PCT Filed Feb. 12, 1979, Ser. No. 30,391.
A displacement transducer (1) has a housing (12) with an opening (14) and an input rod (22) which extends from the housing (12) through the opening (14). A roller assembly (32) is positioned within the housing (12) and is associated with the input rod (22). A vibrating reed (42) is fastened to the housing (12) and the roller assembly (32) is in contact with the reed (42). As the input rod (22) is displaced, the roller assembly (32) moves and changes the vibrating length of the reed (42) and the natural vibratory frequency of the reed (42). Thus, a change in rod (22) displacement causes a change in the vibratory frequency of the reed (42).

REFERENCES:
patent: 2929196 (1960-03-01), Hetzel
patent: 2949727 (1960-08-01), Hetzel
patent: 2960817 (1960-11-01), Hetzel
patent: 3919910 (1975-11-01), Rust
patent: 3977242 (1976-08-01), Brown

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