Signal processing circuitry for a distance measuring system

Details Signal processing circuitry for a distance measuring system Signal processing circuitry for a distance measuring system

1979-11-15

1981-11-17

Gellner, Michael L.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250201, 354 24, 356 4, G03B 310

Patent

active

043008240

ABSTRACT:
For a distance measuring system in which a light measuring arrangement responds to changes in light to establish distances, a processing circuit includes a quasi-compression device that receives the electrical signal from the light measuring arrangement and maintains the normal gain of an amplifier to amplify the electrical signal when the electrical signal is low. The compression device reduces the amplifier gain when the electrical signal is higher. This narrows the dynamic range necessary for the distance measuring system.

REFERENCES:
patent: 3225304 (1965-12-01), Richards
patent: 3375460 (1968-03-01), Miller
patent: 4104650 (1978-08-01), Hosoe et al.

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