System for reciprocating optical units of different speeds in op

System for recording a color television signal with reduced band

System for recording and playing back continuous-play and stop-m

System for recording and reproducing a color television signal

System for recording and reproducing multiplex information

System for recording and reproducing picture signals into which

System for recording and reproducing time-division multiplexed d

System for recording and/or reproducing a video signal

System for recording and/or transmitting binary information at a

System for recording component signals and reproducing a composi

System for recording continuous-play and stop-motion signal

System for recording identical electronic and photographic image

System for recording or reproduction of signals by means of pola

System for recording the locations of workpiece defects

System for recording video information on a record card

System for recovery of degraded images

System for reducing band width of image signal

System for reducing noise in a television signal

System for reducing NTSC flicker in compatible high definition t

System for reducing or suppressing noise components in televisio