Spatial low pass filter for range finding systems

Details Spatial low pass filter for range finding systems Spatial low pass filter for range finding systems

1981-02-06

1983-05-17

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Interference pattern analysis

35016217, 35016220, G02B 518

Patent

active

043842100

ABSTRACT:
A low pass filter for an auto focus camera system to deflect light from the main lens by a controlled angular amount and thus suppress high frequency components in the signal.

REFERENCES:
patent: 4195909 (1980-04-01), Holle et al.

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