Patent US3121169A successfully refreshed from Google Patents.
US3152317A
Expired / Lapsed
US
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Vehicle sensing means
Assignee: Tung Sol Electric Inc
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Filing: 1962-08-31
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Granted: 1964-10-06
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Donald W Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:57
CPC Classifications
G; G01; G01S; G01S11/00; G01S11/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A VEHICLE SENSING MEANS FOR DETERMINING THE DISTANCE BETWEEN TWO MOVING VEHICLES COMPRISING; A PAIR OF LAMPS MOUNTED AT THE REAR OF A FIRST VEHICLE FOR SENDING TWO BEAMS OF LIGHT TO A SECOND FOLLOWING VEHICLE; A LIGHT SENSING MEANS MOUNTED AT THE FRONT OF SAID SECOND VEHICLE AND INCLUDING A PLURALITY OF LIGHT TRANSFERRING TUBES SET IN AN ANGULAR ARRAY FOR SELECTIVELY RECEIVING LIGHT FROM SAID LAMPS; A PHOTOSENSITIVE TRANSDUCER AT THE EXIT END OF EACH TUBE FOR CONVERTING RECEIVED LIGHT INTO ELECTRICAL CURRENT; AND ELECTRICAL CIRCUIT MEANS CONNECTED TO EACH OF SAID TRANSDUCERS FOR APPLYING SAID CURRENTS TO A SERIES OF LAMPS, EACH OF SAID LAMPS REPRESENTING A LIGHT TUBE.
Claim 2
Dependent Claim
112 words
A VEHICLE SENSING MEANS FOR DETERMINING THE DISTANCE BETWEEN TWO MOVING VEHICLES COMPRISING; A PAIR OF LAMPS MOUNTED AT THE REAR OF A FIRST VEHICLE FOR SENDING TWO BEAMS OF LIGHT TO A SECOND FOLLOWING VEHICLE; A LIGHT SENSING MEANS MOUNTED AT THE FRONT OF SAID SECOND VEHICLE AND INCLUDING A PLURALITY OF LIGHT TRANSFERRING TUBES SET IN AN ANGULAR ARRAY FOR SELECTIVELY RECEIVING LIGHT FROM SAID LAMPS; A PHOTOSENSITIVE TRANSDUCER AT THE EXIT END OF EACH TUBE FOR CONVERTING RECEIVED LIGHT INTO ELECTRICAL CURRENT; AND ELECTRICAL CIRCUIT MEANS CONNECTED TO EACH OF SAID TRANSDUCERS FOR APPLYING SAID CURRENTS TO A SERIES OF LAMPS, EACH OF SAID LAMPS REPRESENTING A LIGHT TUBE.
References Cited (Backward Citations)
US3011580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |