Camera image shake detecting apparatus

Details Camera image shake detecting apparatus Camera image shake detecting apparatus

1991-08-09

1992-11-24

Perkey, W. B.

354430, 354456, 354465, G03B 700, G03B 1336, G03B 1718

Patent

active

051667223

ABSTRACT:
A camera image shake detecting apparatus comprises a photographing optical system, a photoelectric converting device for having a pair of light receiving portions consisting of a plurality of light receiving elements and generating at least twice at a predetermined timing a pair of the object image signals corresponding to the light intensity distribution of the object image formed on the light receiving portions, a focus detecting optical system for forming the object image on the pair of light receiving portions of the photoelectric converting device by means of light flux passing through the photographing optical system, a focus detect calculating device for detecting a state of focus adjustment of the photographing optical system on the basis of the pair of the object image signals generated by the photoelectric converting device, an adding device for calculating the synthetic object signal by adding a pair of the object image signals generated by the photoelectric converting device, a memory device for memorizing the synthetic object image signal, and an amount of image shake detecting device for detecting an amount of image shake on the basis of the amount of relative displacement between the previous synthetic object image signal stored in the memory device and the subsequent synthetic object image signal calculated by the adding device.

REFERENCES:
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patent: 4527053 (1985-07-01), Kinoshita et al.
patent: 4673276 (1987-06-01), Yoshida et al.
patent: 4709138 (1987-11-01), Suda et al.
patent: 4733264 (1988-03-01), Hatase et al.
patent: 4772117 (1988-09-01), Matsui
patent: 5034768 (1991-07-01), Miyadera

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