Multiple conversion transceiver utilizing single oscillator
First Claim
1. A COMMUNICATION SYSTEM FOR RECEIVING SIGNALS AT EACH OF A PLURALITY OF FREQUENCIES EACH SEPARATED BY A CONSTANT FREQUENCY DIFFERENCE FROM A CORRESPONDING TRANSMITTING FREQUENCY, AN ADJUSTABLE SOURCE OF FREQUENCY OSCILLATION, A PLURALITY OF FREQUENCY MULTIPLYING MEANS TO GENERATE A PLURALITY OF MULTIPLES OF THE FREQUENCY OF SAID ADJUSTABLE SOURCE, MEANS TO UTILIZE A FIRST MULTIPLE OF SAID ADJUSTABLE SOURCE AS THE TRANSMITTING FREQUENCY, MEANS TO UTILIZE A SECOND MULTIPLE OF SAID ADJUSTABLE SOURCE TO HETERODYNE RECEIVED SIGNALS TO FORM A FIRST VARIABLE INTERMEDIATE FREQUENCY, AND MEANS TO UTILIZE A THIRD MULTIPLE OF SAID ADJUSTABLE SOURCE TO HETERODYNE SAID FIRST INTERMEDIATE FREQUENCY TO FORM A SECOND FIXED INTERMEDIATE FREQUENCY EQUAL TO SAID CONSTANT FREQUENCY DIFFERENCE, SAID FIRST MULTIPLE BEING EQUAL TO THE SUM OF SAID SECOND AND THIRD MULTIPLE BEING EQUAL TO THE SUM OF SAID SECOND A NUMBER COMPRISING THE PRODUCT OF TWO PRESELECTED NUMBERS, AND SAID THIRD MULTIPLE BEING EQUAL TO ONE OF SAID PRESELECTED NUMBERS.
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1 Claim
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1. A COMMUNICATION SYSTEM FOR RECEIVING SIGNALS AT EACH OF A PLURALITY OF FREQUENCIES EACH SEPARATED BY A CONSTANT FREQUENCY DIFFERENCE FROM A CORRESPONDING TRANSMITTING FREQUENCY, AN ADJUSTABLE SOURCE OF FREQUENCY OSCILLATION, A PLURALITY OF FREQUENCY MULTIPLYING MEANS TO GENERATE A PLURALITY OF MULTIPLES OF THE FREQUENCY OF SAID ADJUSTABLE SOURCE, MEANS TO UTILIZE A FIRST MULTIPLE OF SAID ADJUSTABLE SOURCE AS THE TRANSMITTING FREQUENCY, MEANS TO UTILIZE A SECOND MULTIPLE OF SAID ADJUSTABLE SOURCE TO HETERODYNE RECEIVED SIGNALS TO FORM A FIRST VARIABLE INTERMEDIATE FREQUENCY, AND MEANS TO UTILIZE A THIRD MULTIPLE OF SAID ADJUSTABLE SOURCE TO HETERODYNE SAID FIRST INTERMEDIATE FREQUENCY TO FORM A SECOND FIXED INTERMEDIATE FREQUENCY EQUAL TO SAID CONSTANT FREQUENCY DIFFERENCE, SAID FIRST MULTIPLE BEING EQUAL TO THE SUM OF SAID SECOND AND THIRD MULTIPLE BEING EQUAL TO THE SUM OF SAID SECOND A NUMBER COMPRISING THE PRODUCT OF TWO PRESELECTED NUMBERS, AND SAID THIRD MULTIPLE BEING EQUAL TO ONE OF SAID PRESELECTED NUMBERS.
Specification
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Current AssigneeHerbert A. Schneider
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Original AssigneeHerbert A. Schneider
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InventorsSchneider, Herbert A.
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Application NumberUS04/399,438Time in Patent Office981 DaysField of SearchUS Class Current455/87CPC Class CodesH04B 1/50 using different frequencies...
