US3217102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sync separator achieving noise immunity by intermittent interruption of composite video signal at twice horizontal scanning frequency
Assignee: Lanteris Space LLC
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Filing: 1962-10-29
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Granted: 1965-11-09
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Donald R Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:11
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/21; H04N5/213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN COMBIANTION: (A) A SOURCE OF COMPOSITE VIDEO SIGNAL COMPRISED OF VIDEO INFORMATION PORTIONS ALTERNATING WITH (1) HORIZONTAL FLYBACK PORTIONS WHICH CONTAIN HORIZONTAL SYNC PULSES AND (2) VERTICAL FLYBACK PORTIONS WHICH CONTAIN VERTICAL SYNC PULSES, EQUALIZING SYNC PULSES, AND HORIZONTAL SYNC PULSES, (B) GATING MEANS FOR INTERMITTENTLY INTERRUPTING SAID COMPOSITE VIDEO SIGNAL AT A RATE EQUAL TO DOUBLE THE RATE OF OCCURRENCE OF SAID HORIZONTAL SYNC PULSES AND AT A PHASE SUCH THAT SAID HORIZONTAL SYNC PULSES, SAID EQUALIZING SYNC PULSES, AND AT LEAST THE LEADING POR-
Claim 2
Dependent Claim
87 words
IN COMBIANTION: (A) A SOURCE OF COMPOSITE VIDEO SIGNAL COMPRISED OF VIDEO INFORMATION PORTIONS ALTERNATING WITH (1) HORIZONTAL FLYBACK PORTIONS WHICH CONTAIN HORIZONTAL SYNC PULSES AND (2) VERTICAL FLYBACK PORTIONS WHICH CONTAIN VERTICAL SYNC PULSES, EQUALIZING SYNC PULSES, AND HORIZONTAL SYNC PULSES, (B) GATING MEANS FOR INTERMITTENTLY INTERRUPTING SAID COMPOSITE VIDEO SIGNAL AT A RATE EQUAL TO DOUBLE THE RATE OF OCCURRENCE OF SAID HORIZONTAL SYNC PULSES AND AT A PHASE SUCH THAT SAID HORIZONTAL SYNC PULSES, SAID EQUALIZING SYNC PULSES, AND AT LEAST THE LEADING POR-
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |