Annunciator for a focus adjusting device

Details Annunciator for a focus adjusting device Annunciator for a focus adjusting device

1981-08-07

1983-10-25

Adams, Russell E.

354289, G03B 1302

Patent

active

044115083

ABSTRACT:
A focus adjusting device is a type of an autofocusing device having a servomechanism which drives the lens of a camera to bring it into focus. The focus adjusting device is provided with an annunciator for informing an operator of the state of focus of the camera lens. The annunciator is actuated after confirming the finish of the distance measuring operation of the device and the stop of the lens in the focused position.

REFERENCES:
patent: 4272176 (1981-06-01), Maitani et al.
patent: 4319813 (1982-03-01), Aoki et al.

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