US3160757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric control device responsive to two light sources
Assignee: Individual
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Filing: 1962-04-19
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Granted: 1964-12-08
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Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Mcallise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:24
CPC Classifications
H; H05; H05B; H05B47/00; H05B47/10; H05B47/105; H05B47/11; Y; Y02; Y02B; Y02B20/00; Y02B20/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A PHOTOELECTRIC CONTROLLER COMPRISING A PHOTOSENSITIVE DEVICE INCLUDING AN ELECTRON FLOW CONTROL ELEMENT HAVING AN OUTPUT TERMINAL AND ALSO INCLUDING MEANS SEPARATE FROM SAID ELECTRON FLOW CONTROL ELEMENT AND RESPONSIVE TO ILLUMINATION FROM A FIRST LIGHT SOURCE FOR CONTROLLING SAID ELECTRON FLOW CONTROL ELEMENT TO PRODUCE A FIRST OUTPUT SIGNAL AT SAID OUTPUT TERMINAL WHEN SAID ILLUMINATION EXCEEDS A PREDETERMINED VALUE AND TO PRODUCE A SECOND OUTPUT SIGNAL WHEN SAID ILLUMINATION IS LESS THAN SAID PREDETERMINED VALUE, AND A PHOTOSENSITIVE SWITCH CIRCUIT HAVING AN INPUT TERMINAL CONNECTED TO SAID OUTPUT TERMINAL OF SAID ELECTRON FLOW CONTROL ELEMENT WHICH SWITCH CIRCUIT INCLUDES A SECOND OUTPUT TERMINAL, A SECOND ELECTRON FLOW CONTROL DEVICE AND MEANS RESPONSIVE TO ILLUMINATION FROM A SECOND LIGHT SOURCE AND ALSO TO SAID OUTPUT SIGNALS APPEARING AT SAID FIRST MENTIONED OUTPUT TERMINAL FOR CONTROLLING SAID SECOND ELECTRON FLOW CONTROL ELEMENT TO PRODUCE A GIVEN OUTPUT SIGNAL AT SAID SECOND OUTPUT TERMINAL ONLY WHEN SAID SECOND OUTPUT IS PRESENT AND WHEN AT THE SAME TIME SAID ILLUMINATION FROM SAID SECOND LIGHT SOURCE EXCEEDS A PREDETERMINED VALUE.
Claim 2
Dependent Claim
177 words
A PHOTOELECTRIC CONTROLLER COMPRISING A PHOTOSENSITIVE DEVICE INCLUDING AN ELECTRON FLOW CONTROL ELEMENT HAVING AN OUTPUT TERMINAL AND ALSO INCLUDING MEANS SEPARATE FROM SAID ELECTRON FLOW CONTROL ELEMENT AND RESPONSIVE TO ILLUMINATION FROM A FIRST LIGHT SOURCE FOR CONTROLLING SAID ELECTRON FLOW CONTROL ELEMENT TO PRODUCE A FIRST OUTPUT SIGNAL AT SAID OUTPUT TERMINAL WHEN SAID ILLUMINATION EXCEEDS A PREDETERMINED VALUE AND TO PRODUCE A SECOND OUTPUT SIGNAL WHEN SAID ILLUMINATION IS LESS THAN SAID PREDETERMINED VALUE, AND A PHOTOSENSITIVE SWITCH CIRCUIT HAVING AN INPUT TERMINAL CONNECTED TO SAID OUTPUT TERMINAL OF SAID ELECTRON FLOW CONTROL ELEMENT WHICH SWITCH CIRCUIT INCLUDES A SECOND OUTPUT TERMINAL, A SECOND ELECTRON FLOW CONTROL DEVICE AND MEANS RESPONSIVE TO ILLUMINATION FROM A SECOND LIGHT SOURCE AND ALSO TO SAID OUTPUT SIGNALS APPEARING AT SAID FIRST MENTIONED OUTPUT TERMINAL FOR CONTROLLING SAID SECOND ELECTRON FLOW CONTROL ELEMENT TO PRODUCE A GIVEN OUTPUT SIGNAL AT SAID SECOND OUTPUT TERMINAL ONLY WHEN SAID SECOND OUTPUT IS PRESENT AND WHEN AT THE SAME TIME SAID ILLUMINATION FROM SAID SECOND LIGHT SOURCE EXCEEDS A PREDETERMINED VALUE.
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) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |