US3188386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television scanning systems
Assignee: BAE Systems Electronics Ltd
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Filing: 1962-08-20
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Granted: 1965-06-08
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Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Byatt Dennis William George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:19
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/01; H04N7/0105; H04N7/0107; H04N3/00; H04N3/10; H04N3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A TELEVISION LINE SCANNING EQUIPMENT COMPRISING TWO LINE DEFECTION SYSTEM FOR DEFLECTING A SCANNING ELECTRON BEAM IN TWO MUTUALLY PERPENDICULAR DIRECTIONS, TWO FIELD DEFLECTION SYSTEMS FOR DEFLECTING SAID BEAM IN SAID TWO MUTUALLY PERPENDICULAR DIRECTIONS, A LINE FREQUENCY SOURCE, A FIELD FREQUENCY SOURCE, TWO LINE ELECTRONIC SWITCHES CONNECTED RESPECTIVELY BETWEEN THE LINE FREQUENCY SOURCE AND THE TWO LINE DEFLECTION SYSTEMS, TWO FIELD ELECTRONIC SWICHES CONNECTED RESPECTIVELY BETWEEN THE FIELD FREQUENCY SOURCE AND THE TWO FIELD DELFECTION SYSTEM, AND MEANS CONNECTED TO THE ELECTRONIC SWITCHES AND CONTROLLED BY THE FIELD FREQUENCY SOURCE TO ALTERNATE BETWEEN A FIRST AND A SECOND SWITCHING CONDITION AT A WHOLE NUMBER OF FIELDS PER SECOND, SAID MEANS ALTERNATELY OPENING AND CLOSING THE ELECTRONIC SWITCHES SO THAT IN THE FIRST SWITCHING CONDITION ONLY ONE OF THE LINE SWITCHES AND ONLY ONE OF THE FIELD SWITCHES ARE OPEN, THERE BY ALLOWING LINE AND FIELD DEFLECTIONS OF SAID BEAM IN MUTUALLY PERPENDICULAR DIRECTIONS, AND IN THE SECOND SWITCHING CONDITION ONLY OF THE OTHER LINE AND FIELD SWITCHES ARE OPEN, THEREBY INTERCHANGING THE DIRECTIONS OF THE LINE AND FIELD DEFLECTIONS.
Claim 2
Dependent Claim
180 words
A TELEVISION LINE SCANNING EQUIPMENT COMPRISING TWO LINE DEFECTION SYSTEM FOR DEFLECTING A SCANNING ELECTRON BEAM IN TWO MUTUALLY PERPENDICULAR DIRECTIONS, TWO FIELD DEFLECTION SYSTEMS FOR DEFLECTING SAID BEAM IN SAID TWO MUTUALLY PERPENDICULAR DIRECTIONS, A LINE FREQUENCY SOURCE, A FIELD FREQUENCY SOURCE, TWO LINE ELECTRONIC SWITCHES CONNECTED RESPECTIVELY BETWEEN THE LINE FREQUENCY SOURCE AND THE TWO LINE DEFLECTION SYSTEMS, TWO FIELD ELECTRONIC SWICHES CONNECTED RESPECTIVELY BETWEEN THE FIELD FREQUENCY SOURCE AND THE TWO FIELD DELFECTION SYSTEM, AND MEANS CONNECTED TO THE ELECTRONIC SWITCHES AND CONTROLLED BY THE FIELD FREQUENCY SOURCE TO ALTERNATE BETWEEN A FIRST AND A SECOND SWITCHING CONDITION AT A WHOLE NUMBER OF FIELDS PER SECOND, SAID MEANS ALTERNATELY OPENING AND CLOSING THE ELECTRONIC SWITCHES SO THAT IN THE FIRST SWITCHING CONDITION ONLY ONE OF THE LINE SWITCHES AND ONLY ONE OF THE FIELD SWITCHES ARE OPEN, THERE BY ALLOWING LINE AND FIELD DEFLECTIONS OF SAID BEAM IN MUTUALLY PERPENDICULAR DIRECTIONS, AND IN THE SECOND SWITCHING CONDITION ONLY OF THE OTHER LINE AND FIELD SWITCHES ARE OPEN, THEREBY INTERCHANGING THE DIRECTIONS OF THE LINE AND FIELD DEFLECTIONS.
References Cited (Backward Citations)
DE1028162B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |