Arrangement for aligning the image of an information structure o
Arrangement for compensating duty factor variations in an optica
Article inspection by successively televised images
Astigmatizer for laser recording and reproducing system
Autofocus circuit for a videodisc playback device
Automated positioning
Automatic black level setting circuit
Automatic brightness control circuit
Automatic DC restorer and gain control
Automatic defect-detecting method and apparatus
Automatic focusing apparatus
Automatic frequency control device for television receiver
Automatic gain control system
Automatic low frequency gain limited circuit for eliminating sig
Automatic peaking control circuit for low level T.V. signal rece
Automatic tuning apparatus
Automatic tuning apparatus
Automatic video signal control circuit