US3178610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for adjusting the power consumption of gaseous and/or vapourdischarge lamps
Assignee: US Philips Corp
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Filing: 1962-03-05
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Granted: 1965-04-13
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Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Moerkens Jozef
- 👤 Schellekens Henri Carolus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:23
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/36; H05B41/38; H05B41/40; H05B41/42; Y; Y10; Y10S; Y10S315/00; Y10S315/02; Y10S315/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A CIRCUIT FOR OPERATING A PLURALITY OF GASEOUS DISCHARGE DEVICES, COMPRISING INPUT MEANS FOR A SOURCE OF ALTERNATING CURRENT OF A GIVEN FREQUENCY, ADJUSTABLE REACTANCE MEANS HAVING A FIRST AND SECOND VALUE OF REACTANCE AT SAID GIVEN FREQUENCY, A FIRST CIRCUIT COMPRISING THE SERIES CONNECTION OF A FIRST GASEOUS DISCHARGE TUBE AND A FIRST REACTANCE MEANS OF A TYPE OPPOSITE TO THAT OF SAID ADJUSTABLE REACTANCE MEANS, A SECOND CIRCUIT COMPRISING THE SERIES CONNECTION OF A SECOND GASEOUS DISCHARGE TUBE AND A SECOND REACTANCE MEANS OF A TYPE SIMILAR TO THAT OF SAID FIRST REACTANCE MEANS, AND MEANS FOR CONNECTING SAID ADJUSTABLE REACTANCE MEANS IN SERIES WITH SAID INPUT MEANS AND EACH OF SAID FIRST AND SECOND SERIES CIRCUITS, SAID FIRST AND SECOND REACTANCE VALUES OF SAID ADJUSTABLE REACTANCE MEANS HAVING VALUES RELATIVE TO THE REACTANCE VALUES OF SAID FIRST AND SECOND REACTANCE MEANS AT WHICH SAID CIRCUIT EXHIBITS A NET REACTANCE WHICH IS LESS THAN THE REACTANCE VALUE OF EITHER OF SAID FIRST AND SECOND REACTANCE MEANS ALONG FOR EACH OF SAID FIRST AND SECOND REACTANCE VALUES AT SAID GIVEN FREQUENCY.
Claim 2
Dependent Claim
182 words
A CIRCUIT FOR OPERATING A PLURALITY OF GASEOUS DISCHARGE DEVICES, COMPRISING INPUT MEANS FOR A SOURCE OF ALTERNATING CURRENT OF A GIVEN FREQUENCY, ADJUSTABLE REACTANCE MEANS HAVING A FIRST AND SECOND VALUE OF REACTANCE AT SAID GIVEN FREQUENCY, A FIRST CIRCUIT COMPRISING THE SERIES CONNECTION OF A FIRST GASEOUS DISCHARGE TUBE AND A FIRST REACTANCE MEANS OF A TYPE OPPOSITE TO THAT OF SAID ADJUSTABLE REACTANCE MEANS, A SECOND CIRCUIT COMPRISING THE SERIES CONNECTION OF A SECOND GASEOUS DISCHARGE TUBE AND A SECOND REACTANCE MEANS OF A TYPE SIMILAR TO THAT OF SAID FIRST REACTANCE MEANS, AND MEANS FOR CONNECTING SAID ADJUSTABLE REACTANCE MEANS IN SERIES WITH SAID INPUT MEANS AND EACH OF SAID FIRST AND SECOND SERIES CIRCUITS, SAID FIRST AND SECOND REACTANCE VALUES OF SAID ADJUSTABLE REACTANCE MEANS HAVING VALUES RELATIVE TO THE REACTANCE VALUES OF SAID FIRST AND SECOND REACTANCE MEANS AT WHICH SAID CIRCUIT EXHIBITS A NET REACTANCE WHICH IS LESS THAN THE REACTANCE VALUE OF EITHER OF SAID FIRST AND SECOND REACTANCE MEANS ALONG FOR EACH OF SAID FIRST AND SECOND REACTANCE VALUES AT SAID GIVEN FREQUENCY.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |