Tuning system for television receivers

Claim 1

A TUNING SYSTEM FOR A TELEVISION RECEIVER OF THE TYPE WHEREIN CHANNEL TUNING IS PROVIDED TO COVER TWO TELEVISION BANDS, COMPRISING IN COMBINATION: A TUNER OF THE ROTARY CHANNEL-SELECTOR TYPE HAVING A PLURALITY OF ANGULARLY-SPACED TUNING STOP POSITIONS CORRESPONDING TO THE NUMBER OF CHANNELS IN A LOWER FREQUENCY BAND OF THE RECEIVER AND DETENT MEANS FOR RESILIENTY HOLDING SAID TUNER IN EACH OF SAID STOP POSITIONS; A ROTARY FINE-TUNING GEAR FOR SAID TUNER AND MANUAL OPERATION MEANS THEREFOR; A CONTINUOUSLY TUNABLE HIGHER-FREQUENCY TUNER MANUAL OPERATION MEANS THEREFOR; QUENCY BAND OF SAID RECEIVER; MEANS INCLUDING A ROTARY TURRET HAVING A PLURALITY OF ADJUSTABLE TUNING CONTROL ELEMENTS FOR DRIVING SAID HIGH FREQUENCY TUNER SHAFT TO DIFFERENT CHANNEL TUNING POSITIONS; MEANS PROVIDING A PLURALITY OF DETENT-CONTROLLED CHANNEL TUNING STOP POSITIONS FOR SAID TURRET; UNIDIRECTIONAL ELECTRIC MOTOR MEANS CONNECTED WITH SAID LOWER-FREQUENCY TUNER AND THE ROTARY TURRET OF THE HIGHER-FREQUENCY TUNER FOR DRIVING SAID TUNER AND SAID TURRET IN SEQUENCE; AND MEANS FOR EFFECTING TUNING ADJUSTING OF EACH OF THE TURRET TUNING CONTROL ELEMENTS BY SAID FINE TUNING GEAR AND MANUAL OPERATING MEANS AT EACH TURRET STOP POSITION.