Automatic contrast controller of a video camera

Automatic contrast reduction circuit for a teletext or monitor o

Automatic control circuit for vertical synchronizing signal

Automatic control of iris and clamping voltage in video signal g

Automatic copy quality correction and calibration

Automatic correcting of picture unsteadiness in television film

Automatic correction apparatus for video signal of digital VTR

Automatic corrector for fixed pattern odd/even video noise

Automatic CRT tracking circuit

Automatic D.C. offset control for image scanners

Automatic data capture system with special document handling pri

Automatic defect detecting inspection apparatus

Automatic detection of kind of cable converter unit coupled to a

Automatic determination of time base in electronic time-keeping

Automatic dialer for facsimile terminals and the like

Automatic dialer having a recall memory

Automatic dialer having a selective retry capability

Automatic dialer with a programmable pause

Automatic diaphragm control device for a closed circuit televisi

Automatic diaphragm control device for a closed circuit televisi