U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"I hate what they've done to my child...I would never let my own children watch it. "

Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 396/212 - BULB OR TIME EXPOSURE MODE


Subclass of Class 396 - Photography
Definition: Subject matter having means to keep the shutter open as
No. of patents: 11
Last issue date: 09/19/2000


NumberTitleIssue Date
6122451Setting apparatus for camera
A setting apparatus for a camera includes a first switch having a plurality of stop positions; a second switch; and a shutter speed setting device which can select a desired shutter speed from a plurality of shutter speeds set at predetermined steps in ac...
09/19/2000
5678067Motion compensation device having stabilizing motion detection unit that does not inhibit imaging operations in an imaging unit
A motion compensation device includes a detection unit detecting an amount of motion about a camera, a photographic preparatory operation commencement instruction unit generating a first instruction to commence photographic preparatory operations includin...
10/14/1997
5634149Control circuit and method for controlling the operation of a camera having a B shutter operating mode
A control circuit for operating a camera in the B shutter mode includes a microcontroller for computing an appropriate film exposure time period based on a measurement of ambient light in a scene to be photographed. Under the control of a user-actuated sh...
05/27/1997
5122824Camera
A camera comprises an exposure device for making an exposure; a signal receiving circuit for receiving a remote-control signal; and a control circuit for a bulb exposure. The control circuit is arranged to cause the exposure device to begin the exposure i...
06/16/1992
4647176External display device for camera
An external display device for displaying photographic information of varied kinds for a camera uses a numerical display part for selectively displaying numerical photographic information of different kinds and a photography mode display part for displayi...
03/03/1987
4629305Automatic exposure camera
An automatic exposure camera in which any one of four modes, specifically, an aperture-priority automatic exposure mode, a shutter-speed-priority automatic exposure mode, a programmed automatic exposure mode and a manual exposure mode, can be readily set ...
12/16/1986
4582413Indicating apparatus for a camera
The present invention relates to a camera capable of both bulb and self-timer photography. The feature of the present invention is that the indicating mode for indicating the time of the self-timer is made different from that of the bulb exposure when bul...
04/15/1986
4297013Coordinating control system for camera
A digital system for controlling coordination of the various portions of the camera to operate in selected modes including the automatic and bulb modes is provided with signal forming means comprising a count start switch and a bulb control switch connect...
10/27/1981
4227787Bulb photographing control system for an electric shutter camera
When an electric shutter camera is set at a bulb photographing mode, which camera has an electro-magnetic release which places a photo-sensing circuit in an active state by a photo-sensing switch associated with a first stroke of a shutter button and prov...
10/14/1980
4079397Control circuit for motor-drive cameras
A circuit is disclosed for controlling the drive motor of a motor driven camera in a single frame shot mode, A continuous shooting mode and a bulb mode. The circuit includes provision for controlling the camera from a plurality of positions. A release cir...
03/14/1978
3973268Camera with automatic film advance
A camera which is capable of being operated, at the option of the operator, either continuously to make a series of exposures in an automatic manner or in a single-exposure manner according to which the operator may make a single-exposure. In the continuo...
08/03/1976
 
Sign InRegister
Username  
Password   
forgot password?