D.C. controlled attenuator

D.C. Gain controlled amplifier

D.C. Tint control

Dark current correction circuit in two-tube color television cam

Data acquisition and retrieval system for an image...

Data acquisition system and method using answer forms

Data addition to optical storage cards using ink dots

Data capture during print process

Data capture during print process

Data communication apparatus

Data communication apparatus

Data communication apparatus and control method therefor

Data communication apparatus and method

Data communication apparatus and method including control of sor

Data communication apparatus connected to external...

Data communication apparatus for receiving and recording...

Data Communication apparatus having a display device, on which s

Data communication apparatus having common memory for...

Data communication apparatus with test communication,...

Data communication apparatus, image forming apparatus...