Interface device

Details Interface device Interface device

1978-09-15

1980-10-14

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33172E, 235 92DN, G01B 328

Patent

active

042273080

ABSTRACT:
The present invention consists of a measuring device which employs a mechanical-electrical interface mechanism which can be used to measure the depth of various materials. The invention includes a penetrating means which is in electrical contact with circuitry that includes a LED display.

REFERENCES:
patent: 2287273 (1942-06-01), Rabb
patent: 3298605 (1967-01-01), Bucke et al.
patent: 3659083 (1972-04-01), Winter et al.
patent: 3903609 (1975-09-01), Brown
patent: 4095273 (1978-06-01), Gonzalez
patent: 4125022 (1978-11-01), Sumida

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