Dual function acoustic switch
Dual image video inspection apparatus
Dual imaging station photoprint scanner
Dual input engraving apparatus for producing engravings by multi
Dual intensity video circuit
Dual lens system for electronic camera
Dual mode all - light level television camera
Dual mode automatic fine tuning
Dual mode facsimile coding system and method
Dual mode frequency synthesizer for a television tuning apparatu
Dual mode gen-lock system which automatically locks to color bur
Dual mode horizontal deflection circuit
Dual mode progressive scan system with automatic mode switching
Dual mode television receiver for displaying wide screen and sta
Dual mode UHF tuning system
Dual motion scanning method and apparatus therefor
Dual operational image reading apparatus
Dual or multiple objective video microscope for superimposing sp
Dual path scanning system and method
Dual phase-control loop horizontal deflection synchronizing circ