US3497301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical range measuring apparatus
Assignee: DONALD F BUCHLA
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Filing: 1966-11-08
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Granted: 1970-02-24
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Expires: 1986-11-08
Abstract
No abstract record available.
Inventors
- 👤 Donald F Buchla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:44
CPC Classifications
G; G01; G01S; G01S17/00; G01S17/02; G01S17/06; G01S17/08; G01S17/10; G01C; G01C3/00; G01C3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
APPARATUS FOR MEASURING THE RANGE OF AN OPTICALLY REFLECTIVE OBJECT COMPRISING A LIGHT SOURCE, A LIGHT SENSOR MOUNTED IN FIXED SPACE RELATION TO SAID LIGHT SOURCE, A LENS SYSTEM MOUNTED IN FIXED SPACED RELATION TO SAID LIGHT SOURCE AND SAID LIGHT SENSOR, MEANS INCLUDING A FIRST MIRROR SURFACE FOR ESTABLISHING A FIRST OPTICAL PATH FROM SAID LIGHT SOURCE TO SAID LENS, MEANS INCLUDING A SECOND MIRROR SURFACE FOR ESTABLISHING A SECOND OPTICAL PATH FROM SAID LIGHT SENSOR TO SAID LENS, SAID LENS BEING ADAPTED TO EFFECT CONVERGENCE OF SAID PATHS, MEANS FOR RECIPROCALLY DRIVING SAID MIRROR SURFACES IN UNISON TOWARD AND AWAY FROM SAID LENS SO THAT THE POINT TO CONVERGENCE OF SAID LIGHT PATHS IS MOVED AWAY FROM AND TOWARD SAID LENS, AND MEANS RESPONSIVE TO EXCITATION OF SAID LIGHT SENSOR BY LIGHT ON SAID SECOND OPTICAL PATH FOR GENERATING A SIGNAL PROPORTIONAL TO THE RECIPROCAL POSITION OF SAID MIRROR SURFACES.
Claim 2
Dependent Claim
152 words
APPARATUS FOR MEASURING THE RANGE OF AN OPTICALLY REFLECTIVE OBJECT COMPRISING A LIGHT SOURCE, A LIGHT SENSOR MOUNTED IN FIXED SPACE RELATION TO SAID LIGHT SOURCE, A LENS SYSTEM MOUNTED IN FIXED SPACED RELATION TO SAID LIGHT SOURCE AND SAID LIGHT SENSOR, MEANS INCLUDING A FIRST MIRROR SURFACE FOR ESTABLISHING A FIRST OPTICAL PATH FROM SAID LIGHT SOURCE TO SAID LENS, MEANS INCLUDING A SECOND MIRROR SURFACE FOR ESTABLISHING A SECOND OPTICAL PATH FROM SAID LIGHT SENSOR TO SAID LENS, SAID LENS BEING ADAPTED TO EFFECT CONVERGENCE OF SAID PATHS, MEANS FOR RECIPROCALLY DRIVING SAID MIRROR SURFACES IN UNISON TOWARD AND AWAY FROM SAID LENS SO THAT THE POINT TO CONVERGENCE OF SAID LIGHT PATHS IS MOVED AWAY FROM AND TOWARD SAID LENS, AND MEANS RESPONSIVE TO EXCITATION OF SAID LIGHT SENSOR BY LIGHT ON SAID SECOND OPTICAL PATH FOR GENERATING A SIGNAL PROPORTIONAL TO THE RECIPROCAL POSITION OF SAID MIRROR SURFACES.
References Cited (Backward Citations)
US3218909A
Cited
US3266365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |