DEVICE FOR EXPOSURE CONTROL Russian patent published in 2001 - IPC

FIELD: photographic equipment, applicable for exposure control in photographic cameras. SUBSTANCE: the device has a digital computer, interface unit, division unit and two amplifierstransducers. The first input of the division unit is connected to the digital computer via the interface unit, the second input - to the output of the review photodetector, and the output is connected to the first inputs of the amplifiers-transducers. The respective fixed signals are applied to the second inputs of the amplifiers-transducers, and their outputs are connected, to the second and third inputs of the selection unit. EFFECT: enhanced accuracy of control according to hardened estimation of the expected intensity of luminosity of objects of the earth surface. 1 dwg