Indicating apparatus for camera

Details Indicating apparatus for camera Indicating apparatus for camera

1983-01-10

1985-02-19

Adams, Russell E.

354476, G03B 708

Patent

active

045001936

ABSTRACT:
In the disclosed indicating apparatus, an alarm operates an indicator when a light measuring system measures abnormal lighting. A latch latches the alarm in response to a shutter release to indicate that the shutter is open. A switchover device changes the alarm signal in response to the end of an exposure. According to one embodiment of the invention, the indicator displays the alarm condition while the shutter is open. According to another embodiment of the invention, the indicator assumes a condition constituting a substate of the alarm condition.

REFERENCES:
patent: 3672267 (1972-06-01), Harvey et al.
patent: 4041504 (1977-08-01), Iodvalkis et al.
patent: 4072960 (1978-02-01), Meiyner
patent: 4134660 (1979-01-01), Sakuvadu et al.
patent: 4209244 (1980-06-01), Sahara et al.
patent: 4223987 (1980-09-01), Shimizu et al.
patent: 4258990 (1981-03-01), Arisaka et al.
patent: 4272176 (1981-06-01), Maitami et al.
patent: 4278336 (1981-07-01), Ito et al.

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