Patent US3324344A successfully refreshed from Google Patents.
US3324344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energizing circuit for degaussing apparatus
Assignee: RCA Corp
•
Filing: 1966-05-03
•
Granted: 1967-06-06
•
Expires: 1986-05-03
Abstract
No abstract record available.
Inventors
- 👤 Ronald R Norley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:57
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A TELEVISION RECEIVER EMBODYING A PICTURE TUBE AND A DEGAUSSING COIL MOUNTED IN SUCH RELATION TO SAID PICTURE TUBE AS TO PRODUCE, WHEN ENERGIZED, AN ALTERNATING MAGNETIC FIELD OF DIMINISHING MAGNITUDE WITHIN SAID TUBE, APPARATUS FOR ENERGIZING SAID COIL, COMPRISING: A SOURCE OF ALTERNATING CURRENT; FIRST AND SECOND CAPACITORS COUPLED RESPECTIVELY TO OPPOSITE TERMINALS OF SAID COIL; FIRST CIRCUIT MEANS OPERATIVE ON HALF CYCLES OF ONE POLARITY OF SAID ALTERNATING CURRENT FOR CHARGING SAID FIRST CAPACITOR FROM SAID SOURCE OF ALTERNATING CURRENT WITH CURRENT OF ONE POLARITY THROUGH SAID COIL; AND SECOND CIRCUIT MEANS OPERATIVE ON HALF CYCLES OF OPPOSITE POLARITY OF SAID ALTERNATING CURRENT FOR DISCHARGING SAID FIRST CAPACITOR INTO SAID SECOND CAPACITOR WITH CURRENT OF OPPOSITE POLARITY THROUGH SAID COIL.
Claim 2
Dependent Claim
123 words
IN A TELEVISION RECEIVER EMBODYING A PICTURE TUBE AND A DEGAUSSING COIL MOUNTED IN SUCH RELATION TO SAID PICTURE TUBE AS TO PRODUCE, WHEN ENERGIZED, AN ALTERNATING MAGNETIC FIELD OF DIMINISHING MAGNITUDE WITHIN SAID TUBE, APPARATUS FOR ENERGIZING SAID COIL, COMPRISING: A SOURCE OF ALTERNATING CURRENT; FIRST AND SECOND CAPACITORS COUPLED RESPECTIVELY TO OPPOSITE TERMINALS OF SAID COIL; FIRST CIRCUIT MEANS OPERATIVE ON HALF CYCLES OF ONE POLARITY OF SAID ALTERNATING CURRENT FOR CHARGING SAID FIRST CAPACITOR FROM SAID SOURCE OF ALTERNATING CURRENT WITH CURRENT OF ONE POLARITY THROUGH SAID COIL; AND SECOND CIRCUIT MEANS OPERATIVE ON HALF CYCLES OF OPPOSITE POLARITY OF SAID ALTERNATING CURRENT FOR DISCHARGING SAID FIRST CAPACITOR INTO SAID SECOND CAPACITOR WITH CURRENT OF OPPOSITE POLARITY THROUGH SAID COIL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |