Digital recording of seismic data
First Claim
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8. IN A TEMPORARY DIGITAL STORAGE SYSTEM INTO WHICH, SIMULTANEOUSLY, DIGITAL SIGNALS ARE LOADED IN A GIVEN SEQUENCE AND FROM WHICH DIGITAL SIGNALS ARE UNLOADED IN THE SAME SEQUENCE, THE TIMES OF LOADING BEING UNCONTROLLABLE, THE CYCLE OF UNLOADING BEING CONTROLLED BY A FIRST TIMING MEANS CAPABLE OF DELIVERING AT PRECISE PREDETERMINED TIME INTERVALS A SET OF ACTUATING PULSES, THE IMPROVEMENT FOR PREVENTING THE LOADING AND UNLOADING OF SAID SIGNALS AT THE SAME INSTANT OF TIME, COMPRISING, (A) SECOND TIMING MEANS RESPONSIVE TO SAID TIMING MEANS TO PROVIDE IN EACH UNLOADING CYCLE AN EARLY UNLOAD AND A LATE UNLOAD PULSE,
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8 Claims
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8. IN A TEMPORARY DIGITAL STORAGE SYSTEM INTO WHICH, SIMULTANEOUSLY, DIGITAL SIGNALS ARE LOADED IN A GIVEN SEQUENCE AND FROM WHICH DIGITAL SIGNALS ARE UNLOADED IN THE SAME SEQUENCE, THE TIMES OF LOADING BEING UNCONTROLLABLE, THE CYCLE OF UNLOADING BEING CONTROLLED BY A FIRST TIMING MEANS CAPABLE OF DELIVERING AT PRECISE PREDETERMINED TIME INTERVALS A SET OF ACTUATING PULSES, THE IMPROVEMENT FOR PREVENTING THE LOADING AND UNLOADING OF SAID SIGNALS AT THE SAME INSTANT OF TIME, COMPRISING, (A) SECOND TIMING MEANS RESPONSIVE TO SAID TIMING MEANS TO PROVIDE IN EACH UNLOADING CYCLE AN EARLY UNLOAD AND A LATE UNLOAD PULSE,
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Current AssigneeHadley, Charles F., Silverman, Daniel
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Original AssigneeHadley, Charles F., Silverman, Daniel
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InventorsHadley, Charles F., Silverman, Daniel
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Application NumberUS04/330,839Time in Patent Office1,317 DaysField of SearchUS Class Current713/600CPC Class CodesG01V 1/247 Digital recording of seismi...
