US3333043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photocell controlled repeater circuit
Assignee: Jasper Electronics Manufacturing Corp
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Filing: 1964-11-09
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Granted: 1967-07-25
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Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Mathew A Slaats
- 👤 William F Tevault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:51
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN COMBINATION; A TONE GENERATOR, AN AMPLIFIER, A PHOTO-CONDUCTIVE CELL CONNECTED BETWEEN THE GENERATOR AND THE AMPLIFIER THROUGH WHICH THE SIGNALS PASS FROM THE GENERATOR TO THE AMPLIFIER, A NEON TUBE ADJACENT SAID CELL, A SOURCE OF DIRECT CURRENT, RESISTANCE MEANS CONNECTING ONE TERMINAL OF SAID SOURCE TO ONE PLATE OF SAID NEON TUBE, A RETURN CIRCUIT CONNECTING THE OTHER PLATE OF SAID NEON TUBE WITH THE OTHER TERMINAL OF SAID SOURCE, A PLURALITY OF CONDENSERS OF RESPECTIVELY DIFFERENT SIZE, EACH CONDENSER HAVING ONE TERMINAL CONNECTED TO SAID RETURN CIRCUIT, AND SWITCH MEANS HAVING ONE ELEMENT CONNECTED TO SAID ONE PLATE OF SAID NEON TUBE AND OTHER ELEMENTS CONNECTED TO THE OTHER TERMINALS OF SAID CONDENSERS, SAID ONE ELEMENT OF SAID SWITCH MEANS BEING ADAPTED FOR SELECTIVE ENGAGEMENT WITH THE SAID OTHER ELEMENT THEREOF, AND A SELECTOR SWITCH IN SERIES WITH SAID SWITCH MEANS.
Claim 2
Dependent Claim
144 words
IN COMBINATION; A TONE GENERATOR, AN AMPLIFIER, A PHOTO-CONDUCTIVE CELL CONNECTED BETWEEN THE GENERATOR AND THE AMPLIFIER THROUGH WHICH THE SIGNALS PASS FROM THE GENERATOR TO THE AMPLIFIER, A NEON TUBE ADJACENT SAID CELL, A SOURCE OF DIRECT CURRENT, RESISTANCE MEANS CONNECTING ONE TERMINAL OF SAID SOURCE TO ONE PLATE OF SAID NEON TUBE, A RETURN CIRCUIT CONNECTING THE OTHER PLATE OF SAID NEON TUBE WITH THE OTHER TERMINAL OF SAID SOURCE, A PLURALITY OF CONDENSERS OF RESPECTIVELY DIFFERENT SIZE, EACH CONDENSER HAVING ONE TERMINAL CONNECTED TO SAID RETURN CIRCUIT, AND SWITCH MEANS HAVING ONE ELEMENT CONNECTED TO SAID ONE PLATE OF SAID NEON TUBE AND OTHER ELEMENTS CONNECTED TO THE OTHER TERMINALS OF SAID CONDENSERS, SAID ONE ELEMENT OF SAID SWITCH MEANS BEING ADAPTED FOR SELECTIVE ENGAGEMENT WITH THE SAID OTHER ELEMENT THEREOF, AND A SELECTOR SWITCH IN SERIES WITH SAID SWITCH MEANS.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |