Flash light photographic system for camera

Details Flash light photographic system for camera Flash light photographic system for camera

1975-06-04

1977-05-03

Adams, Jr., Russell E.

354 32, 354 35, 354 60F, 354126, 354139, 354149, G03B 716

Patent

active

040218244

ABSTRACT:
The present invention relates to the flash photographic system for camera which is characterized in that the system presents a safety device for preventing various misoperations generally apt to take place at the time of taking a photograph by using a flash light device. By means of the operation of this device, the shutter time is set at a certain determined time for taking a photograph under flash light with the shutter time setting means at the camera side whereby the flash light photographic mode setting signal can be obtained only when the light device is set at the state ready for flash lighting in such a manner that the camera is capable of taking a photograph under flash light only when this signal is obtained. According to a preferred embodiment in accordance with the present invention, even when the release operation is carried out so that the above mentioned flash light photographic mode setting signal is not obtained, the flash light device does not operate by means of the effect of the safety device so that the camera is automatically set in the state for taking photography under ordinary day light.

REFERENCES:
patent: 3648581 (1972-03-01), Umemura
patent: 3675547 (1972-07-01), Uchiyama et al.
patent: 3688664 (1972-09-01), Mashimo
patent: 3710701 (1973-01-01), Takishima et al.
patent: 3714872 (1973-02-01), Mashimo et al.
patent: 3748989 (1973-07-01), Ban
patent: 3886568 (1975-05-01), Yazaki et al.

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