Focus detecting device using adjustable inclined sensing means

Details Focus detecting device using adjustable inclined sensing means Focus detecting device using adjustable inclined sensing means

1986-12-30

1988-03-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

354408, G01J 120

Patent

active

047287853

ABSTRACT:
An adjusting screw for adjusting the inclination of a sensor unit body including sensing means for producing the information about the focus adjusted state on the basis of a light beam from an objective lens is moved with the sensor unit body perpendicularly to the optic axis of the objective lens, whereby adjustment of the optic axis of the objective lens is accomplished. At least two adjusting means are provided for inclining the sensing means itself at a predetermined angle with respect to the optic axis.

REFERENCES:
patent: 3950764 (1976-04-01), Hosoe et al.
patent: 4329578 (1982-05-01), Rosner
patent: 4689480 (1987-08-01), Stern

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