US3072739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for checking television waveforms
Assignee: Pye Electronic Products Ltd
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Filing: 1959-08-19
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Granted: 1963-01-08
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Expires: 1979-08-19
Abstract
No abstract record available.
Inventors
- 👤 Leslie W Germany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:50
CPC Classifications
H; H04; H04N; H04N17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
APPARATUS FOR EXAMINING A TELEVISION WAVEFORM, COMPRISING MENS FOR SEPARATING THE LINE AND FRAME SYNCHRONISING PULSES FROM THE PICTURE SIGNALS AND FROM EACH OTHER, MEANS FOR APPLYING THE FRAME SYNCHRONISING PULSES TO TRIGGER A TIME BASE OF AN OSCILLOSCOPE ON WHICH THE EXAMINATION OF THE TELEVISION WAVEFORM IS TO BE EFFECTED, MEANS FOR APPLYING THE LINE SYNCHRONISING PULSES TO TRIGGER A GENERATOR PRODUCING A SELECTOR PULSE AND VARIABLE DELAY MEANS FOR DELAYING THE SELECTOR PULSES WITH RESPECT TO THE LINE SYNCHRONISING PULSES, SO THAT THE SELECTOR PULSES CAN BE APPLIED TO THE OSCILLOSCOPE TO SELECT A PARTICULAR ELEMENT OF EACH LINE OF THE TELEVISION PICTURE SIGNAL TO BE REPRODUCED ON THE OSCILLOSCOPE.
Claim 2
Dependent Claim
112 words
APPARATUS FOR EXAMINING A TELEVISION WAVEFORM, COMPRISING MENS FOR SEPARATING THE LINE AND FRAME SYNCHRONISING PULSES FROM THE PICTURE SIGNALS AND FROM EACH OTHER, MEANS FOR APPLYING THE FRAME SYNCHRONISING PULSES TO TRIGGER A TIME BASE OF AN OSCILLOSCOPE ON WHICH THE EXAMINATION OF THE TELEVISION WAVEFORM IS TO BE EFFECTED, MEANS FOR APPLYING THE LINE SYNCHRONISING PULSES TO TRIGGER A GENERATOR PRODUCING A SELECTOR PULSE AND VARIABLE DELAY MEANS FOR DELAYING THE SELECTOR PULSES WITH RESPECT TO THE LINE SYNCHRONISING PULSES, SO THAT THE SELECTOR PULSES CAN BE APPLIED TO THE OSCILLOSCOPE TO SELECT A PARTICULAR ELEMENT OF EACH LINE OF THE TELEVISION PICTURE SIGNAL TO BE REPRODUCED ON THE OSCILLOSCOPE.
References Cited (Backward Citations)
US2595646A
Cited
US2615979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |