Apparatus for sound reproduction
First Claim
13. AN AID TO PERFORMANCE OF A PREDETERMINED ROUTINE, COMPRISING A PLURAL-CHANNEL MAGNETIC RECORDING TAPE THAT CARRIES ALONG SUCCESSIVE SECTIONS OF ITS LENGTH RECORDINGS OF SUCCESSIVE SUB-ROUTINES OF SAID PREDETERMINED ROUTINE, EACH SUB-ROUTINE COMPRISING A PRIMARY INSTRUCTION RECORDED ON THE TAPE IN A FIRST CHANNEL, AT LEAST ONE SECONDARY INSTRUCTION RECORDED ON THE TAPE IN A SECOND CHANNEL, AND MARKER SIGNALS RECORDED IN A THIRD CHANNEL AT POSITIONS ON THE TAPE WHERE THE RESPECTIVE PRIMARY INSTRUCTIONS END, MANUALLY ACTUABLE MEANS FOR ACTUATION SELECTIVELY TO EITHER OF FIRST AND SECOND CONDITIONS FOR SIGNIFYING ANSWERS TO SAID INSTRUCTIONS, AND MEANS FOR REPRODUCING RECORDED INSTRUCTIONS FROM THE SUCCESSIVE SECTIONS OF THE TAPE IN TURN AND IN ACCORDANCE WITH ACTUATION OF SAID MANUALLY ACTUABLE DEVICES, SAID REPRODUCING MEANS COMPRISING FIRST, SECOND AND THIRD MAGNETIC SENSING HEADS FOR PROVIDING ELECTRIC SIGNALS IN ACCORDANCE WITH RECORDS SENSED FROM THE FIRST, SECOND AND THIRD CHANNELS RESPECTIVELY, AN ELECTRO-ACOUSTIC TRANSDUCER FOR AUDIBLY REPRODUCING INSTRUCTION RECORDS SENSED BY THE FIRST AND SECOND HEADS, FIRST AND SECOND GATES FOR GATING TO THE TRANSDUCER THE SIGNALS PROVIDED BY THE FIRST AND SECOND HEADS RESPECTIVELY, TAPE DRIVE MEANS SWITCHABLE FROM A HOLD STATE IN WHICH THE TAPE IS HELD STATIONARY TO A DRIVE STATE IN WHICH THE TAPE IS DRIVEN PAST THE SENSING HEADS, MEANS RESPONSIVE TO ACTUATION OF SAID MANUALLY ACTUABLE MEANS WHEN THE TAPE DRIVE MEANS IS IN SAID HOLD STATE FOR SWITCHING SAID TAPE DRIVE MEANS
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Accused Products
23 Citations
13 Claims
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13. AN AID TO PERFORMANCE OF A PREDETERMINED ROUTINE, COMPRISING A PLURAL-CHANNEL MAGNETIC RECORDING TAPE THAT CARRIES ALONG SUCCESSIVE SECTIONS OF ITS LENGTH RECORDINGS OF SUCCESSIVE SUB-ROUTINES OF SAID PREDETERMINED ROUTINE, EACH SUB-ROUTINE COMPRISING A PRIMARY INSTRUCTION RECORDED ON THE TAPE IN A FIRST CHANNEL, AT LEAST ONE SECONDARY INSTRUCTION RECORDED ON THE TAPE IN A SECOND CHANNEL, AND MARKER SIGNALS RECORDED IN A THIRD CHANNEL AT POSITIONS ON THE TAPE WHERE THE RESPECTIVE PRIMARY INSTRUCTIONS END, MANUALLY ACTUABLE MEANS FOR ACTUATION SELECTIVELY TO EITHER OF FIRST AND SECOND CONDITIONS FOR SIGNIFYING ANSWERS TO SAID INSTRUCTIONS, AND MEANS FOR REPRODUCING RECORDED INSTRUCTIONS FROM THE SUCCESSIVE SECTIONS OF THE TAPE IN TURN AND IN ACCORDANCE WITH ACTUATION OF SAID MANUALLY ACTUABLE DEVICES, SAID REPRODUCING MEANS COMPRISING FIRST, SECOND AND THIRD MAGNETIC SENSING HEADS FOR PROVIDING ELECTRIC SIGNALS IN ACCORDANCE WITH RECORDS SENSED FROM THE FIRST, SECOND AND THIRD CHANNELS RESPECTIVELY, AN ELECTRO-ACOUSTIC TRANSDUCER FOR AUDIBLY REPRODUCING INSTRUCTION RECORDS SENSED BY THE FIRST AND SECOND HEADS, FIRST AND SECOND GATES FOR GATING TO THE TRANSDUCER THE SIGNALS PROVIDED BY THE FIRST AND SECOND HEADS RESPECTIVELY, TAPE DRIVE MEANS SWITCHABLE FROM A HOLD STATE IN WHICH THE TAPE IS HELD STATIONARY TO A DRIVE STATE IN WHICH THE TAPE IS DRIVEN PAST THE SENSING HEADS, MEANS RESPONSIVE TO ACTUATION OF SAID MANUALLY ACTUABLE MEANS WHEN THE TAPE DRIVE MEANS IS IN SAID HOLD STATE FOR SWITCHING SAID TAPE DRIVE MEANS
Specification
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- Resources
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Current AssigneeJulian Treadwell Richard
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Original AssigneeJulian Treadwell Richard
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InventorsJULIAN TREADWELL RICHARD
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Application NumberUS04/204,475Time in Patent Office1,117 DaysField of SearchUS Class Current360/69CPC Class CodesG11B 15/005 Programmed access in sequen...G11B 15/02 Control of operating functi...G11B 27/32 on separate auxiliary track...
