US3869720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dictator-transcriber indexing system
Assignee: Victor Company of Japan Ltd
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Filing: 1973-07-25
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Granted: 1975-03-04
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Expires: 1993-07-25
Abstract
Abstract In a dictation recording and reproducing system wherein a dictator and a transcriber are used, the dictator has a message signal recording section for recording on a recording medium dictation message signals and a control signal recording section for recording control signals in relation to the dictation message signals, and the transcriber accomplishes the operation of rewinding the recording medium thus recorded by the dictator and reproducing the recorded content of recording medium and, moreover, has an indicating section having an indicating medium moving in relation to the travel of the recording medium, a control signal reproducing section for reproducing the control signals from the recording medium thus rewound, and a marking section for inscribing marks in accordance with the control signal thus reproduced by the control signal reproducing section on the moving indicating medium of the indicating section.
Inventors
- 👤 Tsunehisa Ohira
- 👤 Tohru Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:15
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/06; G11B25/063; G11B15/00; G11B15/02; G11B15/05; G11B15/06; G11B15/18; G11B15/1883; G11B15/46; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/32; G11B27/34; G11B2220/00; G11B2220/90
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
371 words
A dictator-transcriber indexing system comprising a dictator and a transcriber, said dictator comprising: first means for moving a recording medium in a first direction at a predetermined speed; a recording and/or reproducing head; first means for recording dictation message signals through said recording and/or reproducing head on a first track of the recording medium moving at said predetermined speed; means for producing a first control signal which is continuously generated during the period in which said first recording means is in its recording mode of operation; means for producing a second control signals at the instants of starting and/or completion of the recording of separate messages in said recording mode of said first recording means; means for producing a third control signal for indicating instruction marks; second means for recording said first, second and third control signals through said recording and/or reproducing head on a second track of the recording medium moving at said predetermined speed; said transcriber comprising: a reproducing head; said first means for moving said recording medium in said first direction at said predetermined speed; first reproducing means for reproducing said dictation message signals through said reproducing head from the recording medium moving at said predetermined speed in said first direction; second means for moving said recording medium in a second direction opposite to said first direction at a higher speed than said predetermined speed; said reproducing means for reproducing said recorded control signals through said reproducing head from said recording medium moving at said higher speed in said second direction, including means for contacting said reproducing head with the recording medium with a pressure lighter than the pressure with which said reproducing head contacts said recording medium during the operation of said first reproducing means; means for individually separating said first, second and third control signals from the output signal of said second reproducing means; an indication medium; means for moving said indication medium in relation to the travel of said recording medium; means responsive to the separated second control signal for imprinting a first mark on a first track of the moving indication medium; means responsive to the separated third control signal for imprinting a second mark on a second track of the moving indication medium.
Claim 2
Dependent Claim
371 words
A dictator-transcriber indexing system comprising a dictator and a transcriber, said dictator comprising: first means for moving a recording medium in a first direction at a predetermined speed; a recording and/or reproducing head; first means for recording dictation message signals through said recording and/or reproducing head on a first track of the recording medium moving at said predetermined speed; means for producing a first control signal which is continuously generated during the period in which said first recording means is in its recording mode of operation; means for producing a second control signals at the instants of starting and/or completion of the recording of separate messages in said recording mode of said first recording means; means for producing a third control signal for indicating instruction marks; second means for recording said first, second and third control signals through said recording and/or reproducing head on a second track of the recording medium moving at said predetermined speed; said transcriber comprising: a reproducing head; said first means for moving said recording medium in said first direction at said predetermined speed; first reproducing means for reproducing said dictation message signals through said reproducing head from the recording medium moving at said predetermined speed in said first direction; second means for moving said recording medium in a second direction opposite to said first direction at a higher speed than said predetermined speed; said reproducing means for reproducing said recorded control signals through said reproducing head from said recording medium moving at said higher speed in said second direction, including means for contacting said reproducing head with the recording medium with a pressure lighter than the pressure with which said reproducing head contacts said recording medium during the operation of said first reproducing means; means for individually separating said first, second and third control signals from the output signal of said second reproducing means; an indication medium; means for moving said indication medium in relation to the travel of said recording medium; means responsive to the separated second control signal for imprinting a first mark on a first track of the moving indication medium; means responsive to the separated third control signal for imprinting a second mark on a second track of the moving indication medium.
Claim 3
Dependent Claim
81 words
A dictator-transcriber indexing system as set forth in claim 1 wherein said first control signal has a specific frequency; said second control signal having a frequency which is a multiple of said specific frequency; said third control signal having a frequency which is another multiple of said specific frequency; and wherein said separating means comprises means for respectively filtering said first control signal, said second control signal and said third control signal from the output signal of said second reproducing means.
Claim 4
Dependent Claim
126 words
A dictator-transcriber indexing system as set forth in claim 1 wherein said first control signal has a specific frequency; said second control having a frequency which is a multiple of said specific frequency; said third control signal having said specific frequency and having a higher level than the level of said first control signal; and wherein said separating means comprises low-pass filter means for filtering said first and third control signals from the output signal of said second reproducing means, level detector means for detecting the level of said third control signal and separating said third control signal from the output signal of said low-pass filter means, and high-pass filter means for filtering said second control signal from the output signal of said second reproducing means.
Claim 5
Dependent Claim
120 words
A dictator-transcriber indexing system as set forth in claim 1 wherein said dictator further comprises: third means for moving the recording medium in said first direction at said higher speed; third reproducing means for reproducing the recorded control signals through said recording and/reproducing head from the recording medium moving at said higher speed in said first direction, including means for contacting said recording and/or reproducing head with the recording medium with a pressure lighter than the pressure with which said recording and/or reproducing head contacts said recording medium during the operation of said first recording means; and means responsive to the absence of said first control signal in the reproduced control signals for stopping the travel of the recording medium.
Claim 6
Dependent Claim
128 words
A dictator-transcriber indexing system as set forth in claim 1 wherein said dictator further comprises: said second means for moving the recording medium in said second direction opposite to said first direction at a higher speed than said predetermined speed; fourth reproducing means for reproducing the recorded control signals through said recording and/or reproducing head from the recording medium moving at said higher speed in said second direction, including means for contacting said recording and/or reproducing head with the recording medium with a pressure lighter than the pressure with which said recording and/or reproducing head contacts said recording medium during the operation of said first recording means; and means responsive to said second control signal in the reproduced control signals for stopping the travel of the recording medium.
Claim 7
Dependent Claim
111 words
A dictator-transcriber indexing system as set forth in claim 1 wherein said dictator and transcriber each further comprises said second means for moving the recording medium in said second direction opposite to said first direction at a higher speed than said predetermined speed; and said dictator and said transcriber each further comprise: third means for moving the recording medium in said direction at said higher speed; an erasing head; and means for erasing the recorded dictation message signals and the recorded control signals on the recording medium moving in said first direction or said second direction at said higher speed, including means for contacting said erasing head with said lighter pressure.
References Cited (Backward Citations)
US3133711A
Cited
US3685171A
Cited
US3694585A
Cited
US3698723A
Cited
US3827079A
Cited
US3760124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |