Image processing device for controlling the transfer function of an optical system
April 30, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3007388 3555987 3724349 System for exposure measurement and/or focus detection by means of image senser Exposure control device in a camera using an electro-optic light control element Camera with exposure control mechanism Camera having multizone shutter mechanism Camera and method for selectively compressing scene brightness Catadioptric lens system with light transmission control means Printed circuit unit for a camera InventorAssigneeApplicationNo. 515348 filed on 04/30/1990US Classes:396/125, Processing circuit348/239, Camera and video special effects (e.g., subtitling, fading, or merging)348/344, Optical path switching396/213EXPOSURE CONTROL CIRCUITExaminersPrimary: Perkey, W. B.Attorney, Agent or FirmForeign Patent References
International ClassesG03B 007/091G03B 007/28 G03B 017/20 Foreign Application Priority Data1986-01-20 FRAbstractAn image processing device having at least an image sensor, a flat image transfer screen and a computer, characterized by a sensor (3) arranged as a first network of image points or pixels, an analysis device (6, 4) adapted to generate for each pixel of the sensor a signal representative of at least one parameter, and at least a flat screen (18, 20, 25) organized according to a network of image points or pixels in association with processing means (5, 9) intended to elaborate for each pixel of the screen a state control signal which is a function of the representative signals delivered by the analysis means, the sensor and the screen receiving images of same objects, these images being transmitted or reflected by the screen. The device is more particularly suited to be used in the photographic industry. | |
