US3340423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single stage vertical sweep circuit
Assignee: Motorola Solutions Inc
•
Filing: 1964-04-02
•
Granted: 1967-09-05
•
Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 George D Doland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:38
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/26; H03K4/39; H03K4/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A SIGNAL GENERATING CIRCUIT TO PRODUCED BEAM DEFLECTION WAVES FOR A CATHODE RAY TUBE, WHICH WAVES HAVE A TRACE PORTION AND A RETRACE PORTION, INCLUDING IN COMBINATION; AN ELECTRON CONTROL DEVICE HAVING CONTROL AND OUTPUT ELECTRODES, AN OUTPUT LOAD COUPLED TO SAID OUTPUT ELECTORDE, SAID LOAD INCLUDING INDUCTOR MEANS TO RELEASE STORED ENERGY DURING THE RETRACE PORTION OF THE DEFLECTION WAVES, A FEEDBACK NETWORK INCLUDING A FIRST DIODE AND FIRST CAPACITOR MEANS SEREIS COUPLED BETWEEN SAID OUTPUT LOAD AND SAID CONTROL ELECTRODE, NETWORK MEANS COUPLED TO SAID CONTROL GRID ELECTRODE AND INCLUDING SECOND CAPACITOR MEANS TO BE CHARGED TO ESTABLISH A CONTROLLING WAVEFORM AT SAID CONTROL ELECTROD, A SECOND DIODE COUPLED IN SHUNT WITH SAID SECOND CAPACITOR MEANS, FIRST CIRCUIT MEANS FOR CHARGING SAID SECOND CAPACITOR MEANS DURING THE TRACE PORTION OF THE DEFLECTION WAVES, AND SECOND CIRCUIT MEANS FOR PROVIDING A DISCHARGE PATH FOR SAID SECOND CAPACITOR MEANS,
Claim 2
Dependent Claim
149 words
A SIGNAL GENERATING CIRCUIT TO PRODUCED BEAM DEFLECTION WAVES FOR A CATHODE RAY TUBE, WHICH WAVES HAVE A TRACE PORTION AND A RETRACE PORTION, INCLUDING IN COMBINATION; AN ELECTRON CONTROL DEVICE HAVING CONTROL AND OUTPUT ELECTRODES, AN OUTPUT LOAD COUPLED TO SAID OUTPUT ELECTORDE, SAID LOAD INCLUDING INDUCTOR MEANS TO RELEASE STORED ENERGY DURING THE RETRACE PORTION OF THE DEFLECTION WAVES, A FEEDBACK NETWORK INCLUDING A FIRST DIODE AND FIRST CAPACITOR MEANS SEREIS COUPLED BETWEEN SAID OUTPUT LOAD AND SAID CONTROL ELECTRODE, NETWORK MEANS COUPLED TO SAID CONTROL GRID ELECTRODE AND INCLUDING SECOND CAPACITOR MEANS TO BE CHARGED TO ESTABLISH A CONTROLLING WAVEFORM AT SAID CONTROL ELECTROD, A SECOND DIODE COUPLED IN SHUNT WITH SAID SECOND CAPACITOR MEANS, FIRST CIRCUIT MEANS FOR CHARGING SAID SECOND CAPACITOR MEANS DURING THE TRACE PORTION OF THE DEFLECTION WAVES, AND SECOND CIRCUIT MEANS FOR PROVIDING A DISCHARGE PATH FOR SAID SECOND CAPACITOR MEANS,
References Cited (Backward Citations)
US2926284A
Cited
US3206634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |