Patent US3246161A successfully refreshed from Google Patents.
US3246161A
Expired / Lapsed
US
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Semi-conductor photopotentiometer
Assignee: Bendix Corp
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Filing: 1962-08-06
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Granted: 1966-04-12
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Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert F Matare
- 👤 Thomas E Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:45
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/781; G01D; G01D5/00; G01D5/26; H; H10; H10F; H10F99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A PHOTOPOTENTIOMETER COMPRISING A SEMI-CONDUCTOR MATERIAL HAVING P TYPE AND N TYPE DOPING WITH A JUNCTION BEING FORMED THEREBETWEEN, THE SEMI-CONDUCTOR MATERIAL ON ONE SIDE OF SAID JUNCTION BEING DIMENSIONED TO PROVIDE A PREDETERMINED RESISTANCE IN A DIRECTION SUBSTANTIALLY PARALLEL TO SAID JUNCTION, BATTERY MEANS CONNECTED TO SAID SEMI-CONDUCTOR MATERIAL ON SAID ONE SIDE OF SAID JUNCTION ALONG A LINE PARALLEL TO SAID JUNCTION TO PRODUCE A PREDETERMINED VOLTAGE DROP ALONG SAID LINE, A LOAD BEING CONNECTED BETWEEN THE SEMI-CONDUCTOR MATERIAL ON THE OTHER SIDE OF SAID JUNCTION AND SAID BATTERY MEANS, MEANS TO PRODUCE A RELATIVELY NARROW BEAM OF LIGHT MOVABLE LENGTHWISE OF SAID JUNCTION TO SUCCESSIVELY ILLUMINATE POINTS OF SAID JUNCTION AND HAVE FREQUENCY COMPONENTS TO EXCITE THE ELECTRONS SUFFICIENTLY TO BREAK THE ELECTRON-HOLE BONDS AND CAUSE ELECTRON AND HOLE FLOW ACROSS THE JUNCTION AND THUS REDUCE THE RESISTANCE AT THE JUNCTION POINT ILLUMINATED.
Claim 2
Dependent Claim
146 words
A PHOTOPOTENTIOMETER COMPRISING A SEMI-CONDUCTOR MATERIAL HAVING P TYPE AND N TYPE DOPING WITH A JUNCTION BEING FORMED THEREBETWEEN, THE SEMI-CONDUCTOR MATERIAL ON ONE SIDE OF SAID JUNCTION BEING DIMENSIONED TO PROVIDE A PREDETERMINED RESISTANCE IN A DIRECTION SUBSTANTIALLY PARALLEL TO SAID JUNCTION, BATTERY MEANS CONNECTED TO SAID SEMI-CONDUCTOR MATERIAL ON SAID ONE SIDE OF SAID JUNCTION ALONG A LINE PARALLEL TO SAID JUNCTION TO PRODUCE A PREDETERMINED VOLTAGE DROP ALONG SAID LINE, A LOAD BEING CONNECTED BETWEEN THE SEMI-CONDUCTOR MATERIAL ON THE OTHER SIDE OF SAID JUNCTION AND SAID BATTERY MEANS, MEANS TO PRODUCE A RELATIVELY NARROW BEAM OF LIGHT MOVABLE LENGTHWISE OF SAID JUNCTION TO SUCCESSIVELY ILLUMINATE POINTS OF SAID JUNCTION AND HAVE FREQUENCY COMPONENTS TO EXCITE THE ELECTRONS SUFFICIENTLY TO BREAK THE ELECTRON-HOLE BONDS AND CAUSE ELECTRON AND HOLE FLOW ACROSS THE JUNCTION AND THUS REDUCE THE RESISTANCE AT THE JUNCTION POINT ILLUMINATED.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |