Patent US3182123A successfully refreshed from Google Patents.
US3182123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise protection circuit
Assignee: Admiral Corp
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Filing: 1961-10-30
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Granted: 1965-05-04
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Kao Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:39
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/21; H04N5/213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A TELEVISION RECEIVER INCLUDING MEANS FOR DEVELOPING FROM A RECEIVED TELEVISION SIGNAL A COMPOSITE VIDEO SIGNAL INCLUDING VIDEO COMPONENTS, SYNCHRONIZING SIGNAL COMPONENTS AND FORTUITOUS NOISE COMPONENTS, SAID SYNCHRONIZING COMPONENTS BEING GREATER IN MAGNITUDE THAN SAID VIDEO COMPONENTS AND SAID FORTUITOUS NOISE COMPONENTS OFTEN EXCEEDING THE MAGNITUDE OF SAID SYNCHRONIZING COMPONENTS; A VIDEO AMPLIFIER FOR APPLYING SAID COMPOSITE VIDEO SIGNAL; A LOAD IMPEDANCE FOR SAID VIDEO AMPLIFIER; MEANS FOR SEPARATING SAID SYNCHRONIZING COMPONENTS FROM SAID VIDEO COMPONENTS ON THE BASIS OF AMPLITUDE; MEANS COUPLING SAID IMPEDANCE TO SAID SEPARATING MEANS; SAID VIDEO AMPLIFIER INCLUDING AN ELECTRON TUBE HAVING A SCREEN ELECTRODE; A HIGH GAIN NOISE INVERTER TUBE HAVING AN ANODE, A CATHODE AND A CONTROL GRID; MEANS COUPLING SAID LOAD IMPEDANCE TO SAID CONTROL GRID; MEANS COUPLING SAID SCREEN ELECTRODE TO SAID CATHODE TO THEREBY ESTABLISH THE CONDUCTION THRESHOLD OF SAID NOISE
Claim 2
Dependent Claim
142 words
IN A TELEVISION RECEIVER INCLUDING MEANS FOR DEVELOPING FROM A RECEIVED TELEVISION SIGNAL A COMPOSITE VIDEO SIGNAL INCLUDING VIDEO COMPONENTS, SYNCHRONIZING SIGNAL COMPONENTS AND FORTUITOUS NOISE COMPONENTS, SAID SYNCHRONIZING COMPONENTS BEING GREATER IN MAGNITUDE THAN SAID VIDEO COMPONENTS AND SAID FORTUITOUS NOISE COMPONENTS OFTEN EXCEEDING THE MAGNITUDE OF SAID SYNCHRONIZING COMPONENTS; A VIDEO AMPLIFIER FOR APPLYING SAID COMPOSITE VIDEO SIGNAL; A LOAD IMPEDANCE FOR SAID VIDEO AMPLIFIER; MEANS FOR SEPARATING SAID SYNCHRONIZING COMPONENTS FROM SAID VIDEO COMPONENTS ON THE BASIS OF AMPLITUDE; MEANS COUPLING SAID IMPEDANCE TO SAID SEPARATING MEANS; SAID VIDEO AMPLIFIER INCLUDING AN ELECTRON TUBE HAVING A SCREEN ELECTRODE; A HIGH GAIN NOISE INVERTER TUBE HAVING AN ANODE, A CATHODE AND A CONTROL GRID; MEANS COUPLING SAID LOAD IMPEDANCE TO SAID CONTROL GRID; MEANS COUPLING SAID SCREEN ELECTRODE TO SAID CATHODE TO THEREBY ESTABLISH THE CONDUCTION THRESHOLD OF SAID NOISE
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) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |