Common oscillator transceiver with independent receiver tone control means

Claim 1

IN A TRANSCEIVER, TRANSMITTING AND RECEIVING MEANS OF THE CHARACTER DESCRIBED, COMPRISING: SELECTIVELY OPERABLE TRANSMISSION AND RECEPTION CHANNELS EACH INCLUDING FREQUENCY ESTABLISHING MEANS FOR THE RESPECTIVE CHANNEL, RESPONSIVE TO A CONTROL OSCILLATOR; A CONTROL OSCILLATOR OPERABLY CONNECTED WITH SAID FREQUENCY ESTABLISHING MEANS, SAID CONTROL OSCILLATOR HAVING A TUNED CIRCUIT WITH AN ADJUSTABLE REACTIVE ELEMENT THEREIN FOR CONTROLLING THE FREQUENCY OF THE OSCILLATOR AND OF THE TRANSMISSION AND RECEPTION CHANNELS; SWITCH MEANS HAVING "TRANSMIT" AND "RECEIVE" POSITIONS FOR ALTERNATELY RENDERING ONE OR THE OTHER OF SAID TRANSMISSION AND RECEPTION CHANNELS OPERATIVE; AND CONTROLLABLE AUXILIARY TUNING MEANS INCLUDING A FIRST REACTIVE ELEMENT AND AN ADJUSTABLE SECOND REACTIVE ELEMENT, ONE ELEMENT BEING CONNECTED WITH THE TUNED CIRCUIT OF SAID CONTROL OSCILLATOR THROUGH A SECOND OF SAID SWITCH MEANS IN EACH POSITION THEREOF, SAID SECOND ELEMENT BEING ADJUSTABLE TO MODIFY THE FREQUENCY OF OPERATION OF THE RECEPTION CHANNEL INDEPENDENTLY OF THE FREQUENCY OF OPERATION OF THE TRANSMISSION CHANNEL.