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Communication system

  • US 3,292,178 A
  • Filed: 03/22/1962
  • Issued: 12/13/1966
  • Est. Priority Date: 03/22/1962
  • Status: Expired due to Term
First Claim
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13. TRANSMITTER APPARATUS INCLUDING IN COMBINATION, MEANS FOR PROVIDING A TRAIN OF PULSES HAVING A REGULAR TIME RELATION WITH THE PRESENCE AND ABSENCE OF SUCH PULSES CONSTITUTING THE INFORMATION TO BE TRANSMITTED, A PLURALITY OF OSCILLATORS FOR PRODUCING WAVES OF DIFFERENT FREQUENCIES, A PLURALITY OF GATES INDIVIDUALLY COUPLED TO SAID OSCILLATORS FOR CNTROLLING THE TRANSMISSION OF SAID WAVES THEREFROM, SELECTOR MEANS PRODUCING RECURRING PULSE GROUPS WITH EACH GROUP CORRESPONDING TO A PULSE OF SAID TRAIN AND INCLUDING A PLURALITY OF PULSES COMPONENTS IN PREDETERMINED TIME POSITIONS, AND MEANS FOR APPLYING EACH OF SAID PULSE COMPONENTS TO ONE OF SAID GATES TO OPERATE THE SAME TO TRANSMIT WAVES FROM THE ASSOCIATED OSCILLATOR, WHEREBY A TRAIN OF CODED PULSE GROUPS IS TRANSMITTED, WITH EACH PULSE GROUP, INCLUDING A PLURALITY OF PULSE COMPONENTS OF DIFFERENT FREQUENCIES IN PREDETERMINED TIME POSITIONS TO FORM AN ADDRESS, AND SAID TRAIN OF PULSE GROUPS PROVIDING THE TRANSMITTED INFORMATION.

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