Biometric measuring device

Details Biometric measuring device Biometric measuring device

1977-12-02

1979-05-15

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

128660, 128774, G01N 2900

Patent

active

041541146

ABSTRACT:
A biometric measuring device measures distances between selected elements in a human body, and in particular, the human eye. Trace means produces respective signals for a preselected number of cycles wherein each signal represents the distance between the selected elements that is to be measured. Converting means averages the respective signals over the preselected number of cycles to produce a distance signal representing the distance between the selected elements of the body. Display means displays this distance signal as a number.

REFERENCES:
patent: 3792613 (1974-02-01), Couture
patent: 3808879 (1974-05-01), Rogers
patent: 3821891 (1974-07-01), Collins et al.
patent: 4033177 (1977-07-01), Case

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