US3236943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for recording and reproducing television and like wideband signals
Assignee: Robert Bosch Fernsehanlagen GmbH
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Filing: 1961-07-07
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Granted: 1966-02-22
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Expires: 1981-07-07
Abstract
No abstract record available.
Inventors
- 👤 Moller Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:39
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/84; H04N1/00; H04N1/00127; H04N1/00281; H04N1/00283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A METHOD OF RECORDING A DISCONTINUOUS VIDEO SIGNAL COMPRISING PERIODICALLY REPETITIVE FIRST PORTIONS CONTAINING VARIABLE INFORMATION AND OTHER PERIODICALLY REPETITIVE PORTIONS INTERCALATED BETWEEN SAID FIRST PORTIONS AND CONTAINING A UNIFORM TYPE OF INFORMATION, COMPRISING THE STEPS OF PRODUCING A BEAM OF CHARGED PARTICLES; MODULATING SAID BEAM BY PERIODICALLY VARYING THEN INTENSITY OF SAID BEAM BETWEEN PREDETERMINED SUBSTANTIALLY CONSTANT MAXIMUM AND MINIMUM VALUES SO AS TO FORM A TRAIN OF INTENSITY PULSES HAVING DURATION CHARACTERISTICS AND FREQUENCY CHARACTERISTICS; VARYING AT LEAST ONE OF SAID CHARACTERISTICS BY MODULATION IN ACCORDANCE WITH THE AMPLITUDES OF THE SIGNAL TO BE RECORDED; MOVING AN ELONGATED RECORD CARRIER IN ITS LONGITUDINAL DIRECTION AT A PREDETERMINED SPEED ACROSS THE PATH OF SAID BEAM; CAUSING, BY THE ACTION OF SAID BEAM, IN THE MATERIAL OF AT LEAST A PART OF SAID RECORD CARRIER PERSISTENT DISTINCTIVE ALTERATIONS OF A CHARACTERISTIC CONDITION THEREOF IN ITS INDIVIDUAL AREA ELEMENTS, SAID ALTERATIONS DEPENDING UPON SAID MODULATION OF SAID BEAM AND REPRESENTING A RECORDING OF SAID SIGNAL; AND CYCLICALLY DEFLECTING, DURING SAID RECORDING, SAID BEAM TRANSVERSELY OF SAID ELONGATED RECORD CARRIER WITH A REPETITION PERIOD EQUAL TO THE DURATION OF AN INTEGRAL NUMBER OF SIGNAL PERIODS OF SAID DISCONTINUOUS SIGNAL TO BE RECORDED.
Claim 2
Independent Claim
200 words
A METHOD OF RECORDING A DISCONTINUOUS VIDEO SIGNAL COMPRISING PERIODICALLY REPETITIVE FIRST PORTIONS CONTAINING VARIABLE INFORMATION AND OTHER PERIODICALLY REPETITIVE PORTIONS INTERCALATED BETWEEN SAID FIRST PORTIONS AND CONTAINING A UNIFORM TYPE OF INFORMATION, COMPRISING THE STEPS OF PRODUCING A BEAM OF CHARGED PARTICLES; MODULATING SAID BEAM BY PERIODICALLY VARYING THEN INTENSITY OF SAID BEAM BETWEEN PREDETERMINED SUBSTANTIALLY CONSTANT MAXIMUM AND MINIMUM VALUES SO AS TO FORM A TRAIN OF INTENSITY PULSES HAVING DURATION CHARACTERISTICS AND FREQUENCY CHARACTERISTICS; VARYING AT LEAST ONE OF SAID CHARACTERISTICS BY MODULATION IN ACCORDANCE WITH THE AMPLITUDES OF THE SIGNAL TO BE RECORDED; MOVING AN ELONGATED RECORD CARRIER IN ITS LONGITUDINAL DIRECTION AT A PREDETERMINED SPEED ACROSS THE PATH OF SAID BEAM; CAUSING, BY THE ACTION OF SAID BEAM, IN THE MATERIAL OF AT LEAST A PART OF SAID RECORD CARRIER PERSISTENT DISTINCTIVE ALTERATIONS OF A CHARACTERISTIC CONDITION THEREOF IN ITS INDIVIDUAL AREA ELEMENTS, SAID ALTERATIONS DEPENDING UPON SAID MODULATION OF SAID BEAM AND REPRESENTING A RECORDING OF SAID SIGNAL; AND CYCLICALLY DEFLECTING, DURING SAID RECORDING, SAID BEAM TRANSVERSELY OF SAID ELONGATED RECORD CARRIER WITH A REPETITION PERIOD EQUAL TO THE DURATION OF AN INTEGRAL NUMBER OF SIGNAL PERIODS OF SAID DISCONTINUOUS SIGNAL TO BE RECORDED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |