Patent US3084283A successfully refreshed from Google Patents.
US3084283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor-battery supply for gas-discharge tubes
Assignee: US Philips Corp
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Filing: 1960-03-15
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Granted: 1963-04-02
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Expires: 1980-03-15
Abstract
No abstract record available.
Inventors
- 👤 Grunwaldt Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:53
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53846; H02M7/53862; H02M7/53832; H02M7/53835; H05; H05B; H05B41/00; H05B41/14; H05B41/26; H05B41/28; H05B41/282; H05B41/2821; Y; Y02; Y02B; Y02B20/00; Y10; Y10S; Y10S315/00; Y10S315/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A SUPPLY DEVICE FOR AT LEAST ONE PERIODICALLY IGNITED GASEOUS DISCHARGE TUBE, COMPRISING: A DIRECT CURRENT SOURCE OF ENERGY, A TRANSISTOR GENERATOR CONNECTED TO SAID SOURCE AND PRODUCING ALTERNATING CURRENT THEREFROM, A FEEDBACK CIRCUIT FOR SAID GENERATOR, AN LC SERIES CIRCUIT, SAID FEEDBACK CIRCUIT BEING COUPLED FROM THE OUTPUT TO THE INPUT OF SAID GENERATOR THROUGH SAID LC SERIES CIRCUIT, AND A GASEOUS DISCHARGE LAMP CONNECTED IN PARALLEL WITH ONE ELEMENT OF SAID SERIES CIRCUIT.
Claim 2
Dependent Claim
75 words
A SUPPLY DEVICE FOR AT LEAST ONE PERIODICALLY IGNITED GASEOUS DISCHARGE TUBE, COMPRISING: A DIRECT CURRENT SOURCE OF ENERGY, A TRANSISTOR GENERATOR CONNECTED TO SAID SOURCE AND PRODUCING ALTERNATING CURRENT THEREFROM, A FEEDBACK CIRCUIT FOR SAID GENERATOR, AN LC SERIES CIRCUIT, SAID FEEDBACK CIRCUIT BEING COUPLED FROM THE OUTPUT TO THE INPUT OF SAID GENERATOR THROUGH SAID LC SERIES CIRCUIT, AND A GASEOUS DISCHARGE LAMP CONNECTED IN PARALLEL WITH ONE ELEMENT OF SAID SERIES CIRCUIT.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |