Image transmission system and method
First Claim
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1. A TELEVISION SYSTEM FOR TRANSMITTING A STILL PICTURE COMPRISING:
- IMAGE TUBE MEANS INCLUDING TARGET MEANS FOR CONVERTING AN OPTICAL IMAGE INTO A CORRESPONDING ELECTRICAL CHARACTERISTIC PATTERN, AND MEANS FOR SCANNING AN ELECTRON BEAMS THEREBY TO CONVERT SAID PATTERN INTO A TIMEBASED VIDEO SIGNAL;
MEANS FOR GENERATING RECURRENT SEQUENCES OF PERIODIC FRAME SYNCHRONIZING SIGNALS AND INTERVENING LINE SYNCHORONIZING SIGNALS FOR SAID SCANNING MEANS;
MEANS FOR GENERATING A CONTROL SIGNAL;
MEANS FOR MODULATING AN INPUT SIGNAL TO PROVIDE AN OUTPUT TRANSMISSION SIGNAL;
SELECTIVELY ACTUABLE CONTROL MEANS COUPLED TO SAID PULSE GENERATING MEANS FOR INITIATING A NEW SEQUENCE OF SAID SYNCHRONIZING SIGNALS, AND CONTROL MEANS INCLUDING MEANS FOR COUPLING SAID CONTROL SIGNAL GENERATING MEANS TO SAID MODULATING MEANS FOR A PREDETERMINED PERIOD DURING THE FIRST FRAME SYNCHRONIZING SIGNAL OF SAID NEW SEQUENCE THEREBY TO MODULATE SAID TRANSMISSION SIGNAL WITH SAID CONTROL SIGNAL;
MEANS FOR COUPLING SAID IMAGE TUBE MEANS TO SAID MODULATING MEANS THEREBY TO MODULATE SAID TRANSMISSION SIGNAL WITH SAID VIDEO SIGNAL DURING SAID NEW SEQUENCE OF SAID SYNCHRONIZING SIGNALS FOLLOWING SAID FIRST FRAME SYNCHRONIZING SIGNAL THEREOF;
MEANS FOR DEMODULATING SAID TRANSMISSION SIGNAL TO RECOVER SAID CONTROL AND VIDEO SIGNALS;
MEANS FOR SEPARATING SAID CONTROL SIGNAL FROM SAID RECOVERED SIGNALS;
MEANS FOR SEPARATING SAID SYNCHRONIZING SIGNALS FROM SAID RECOVERED SIGNALS;
DIRECT VIEWING STORAGE CATHODE RAY TUBE MEANS HAVING DISPLAY SCREEN MEANS AND SELECTIVELY ACTUABLE MEANS FOR CONVERTING SAID SEPARATED VIDEO SIGNAL INTO AN OPTICAL IMAGE ON SAID DISPLAY SCREEN MEANS, SAID CATHODE RAY TUBE MEANS INCLUDING STORAGE MEANS, SAID MAINTAINING SAID OPTICAL IMAGE ON SAID DISPLAY SCREEN MEANS FOR A FINITE TIME FOLLOWING DEACTUATION OF SAID STORAGE TUBE CONVERTING MEANS;
FIRST MEANS COUPLING SAID CONTROL SIGNAL SEPARATING MEANS TO SAID STORAGE MEANS FOR ERASING A PREVIOUSLY STORED IMAGE FROM SAID DISPLAY SCREEN MEANS RESPONSIVE TO SAID CONTROL SIGNAL;
SECOND MEANS COUPLING SAID CONTROL SIGNAL SEPARATING MEANS TO SAID CATHODE RAY TUBE CONVERTING MEANS FOR ACTUATING THE SAME RESPONSIVE TO SAID CONTROL SIGNAL THEREBY TO CONVERT SAID SEPARATED VIDEO SIGNAL INTO A NEW OPTICAL IMAGE ON SAID DISPLAY SCREEN MEANS;
AND THIRD MEANS COUPLING SAID SYNCHRONIZING SIGNAL SEPARATING MEANS TO SAID CATHODE RAY TUBE CONVERTING MEANS FOR DE-ACTUATING THE SAME RESPONSIVE TO THE NEXT SAID FRAME SYNCHRONIZING SIGNAL FOLLOWING SAID FIRST FRAME SYNCHRONIZING SIGNAL OF SAID NEW SEQUENCE.
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27 Claims
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1. A TELEVISION SYSTEM FOR TRANSMITTING A STILL PICTURE COMPRISING:
- IMAGE TUBE MEANS INCLUDING TARGET MEANS FOR CONVERTING AN OPTICAL IMAGE INTO A CORRESPONDING ELECTRICAL CHARACTERISTIC PATTERN, AND MEANS FOR SCANNING AN ELECTRON BEAMS THEREBY TO CONVERT SAID PATTERN INTO A TIMEBASED VIDEO SIGNAL;
MEANS FOR GENERATING RECURRENT SEQUENCES OF PERIODIC FRAME SYNCHRONIZING SIGNALS AND INTERVENING LINE SYNCHORONIZING SIGNALS FOR SAID SCANNING MEANS;
MEANS FOR GENERATING A CONTROL SIGNAL;
MEANS FOR MODULATING AN INPUT SIGNAL TO PROVIDE AN OUTPUT TRANSMISSION SIGNAL;
SELECTIVELY ACTUABLE CONTROL MEANS COUPLED TO SAID PULSE GENERATING MEANS FOR INITIATING A NEW SEQUENCE OF SAID SYNCHRONIZING SIGNALS, AND CONTROL MEANS INCLUDING MEANS FOR COUPLING SAID CONTROL SIGNAL GENERATING MEANS TO SAID MODULATING MEANS FOR A PREDETERMINED PERIOD DURING THE FIRST FRAME SYNCHRONIZING SIGNAL OF SAID NEW SEQUENCE THEREBY TO MODULATE SAID TRANSMISSION SIGNAL WITH SAID CONTROL SIGNAL;
MEANS FOR COUPLING SAID IMAGE TUBE MEANS TO SAID MODULATING MEANS THEREBY TO MODULATE SAID TRANSMISSION SIGNAL WITH SAID VIDEO SIGNAL DURING SAID NEW SEQUENCE OF SAID SYNCHRONIZING SIGNALS FOLLOWING SAID FIRST FRAME SYNCHRONIZING SIGNAL THEREOF;
MEANS FOR DEMODULATING SAID TRANSMISSION SIGNAL TO RECOVER SAID CONTROL AND VIDEO SIGNALS;
MEANS FOR SEPARATING SAID CONTROL SIGNAL FROM SAID RECOVERED SIGNALS;
MEANS FOR SEPARATING SAID SYNCHRONIZING SIGNALS FROM SAID RECOVERED SIGNALS;
DIRECT VIEWING STORAGE CATHODE RAY TUBE MEANS HAVING DISPLAY SCREEN MEANS AND SELECTIVELY ACTUABLE MEANS FOR CONVERTING SAID SEPARATED VIDEO SIGNAL INTO AN OPTICAL IMAGE ON SAID DISPLAY SCREEN MEANS, SAID CATHODE RAY TUBE MEANS INCLUDING STORAGE MEANS, SAID MAINTAINING SAID OPTICAL IMAGE ON SAID DISPLAY SCREEN MEANS FOR A FINITE TIME FOLLOWING DEACTUATION OF SAID STORAGE TUBE CONVERTING MEANS;
FIRST MEANS COUPLING SAID CONTROL SIGNAL SEPARATING MEANS TO SAID STORAGE MEANS FOR ERASING A PREVIOUSLY STORED IMAGE FROM SAID DISPLAY SCREEN MEANS RESPONSIVE TO SAID CONTROL SIGNAL;
SECOND MEANS COUPLING SAID CONTROL SIGNAL SEPARATING MEANS TO SAID CATHODE RAY TUBE CONVERTING MEANS FOR ACTUATING THE SAME RESPONSIVE TO SAID CONTROL SIGNAL THEREBY TO CONVERT SAID SEPARATED VIDEO SIGNAL INTO A NEW OPTICAL IMAGE ON SAID DISPLAY SCREEN MEANS;
AND THIRD MEANS COUPLING SAID SYNCHRONIZING SIGNAL SEPARATING MEANS TO SAID CATHODE RAY TUBE CONVERTING MEANS FOR DE-ACTUATING THE SAME RESPONSIVE TO THE NEXT SAID FRAME SYNCHRONIZING SIGNAL FOLLOWING SAID FIRST FRAME SYNCHRONIZING SIGNAL OF SAID NEW SEQUENCE.
- IMAGE TUBE MEANS INCLUDING TARGET MEANS FOR CONVERTING AN OPTICAL IMAGE INTO A CORRESPONDING ELECTRICAL CHARACTERISTIC PATTERN, AND MEANS FOR SCANNING AN ELECTRON BEAMS THEREBY TO CONVERT SAID PATTERN INTO A TIMEBASED VIDEO SIGNAL;
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27. THE METHOD OF TRANSMITTING A STILL PICTURE COMPRISING THE STEPS OF:
- EXPOSING AN OPTICAL IMAGE TO THE TARGET MEANS OF AN IMAGE TUBE FOR A PREDETERMINED PERIOD, TRANSMITTING A CONTROL SIGNAL FOR A PREDETERMINED PERIOD, CONVERTING THE IMAGE ON SAID TARGET MEANS INTO A TIMEBASED VIDEO SIGNAL AND TRANSMITTING THE SAME DURING AN INTERVAL FOLLOWING SAID PERIODS, RECEIVING SAID CONTROL SIGNAL AND APPLYING THE SAME TO STORAGE SIGNAL-TO-IMAGE COVERTING MEANS FOR ERASING A PREVIOUSLY STORED IMAGE, AND RECEIVING SAID VIDEO SIGNAL AND COVERTING THE SAME INTO AN OPTICAL IMAGE ON SAID CONVERTING MEANS.
Specification