Patent US3973328A successfully refreshed from Google Patents.
US3083357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote meter reading system
Assignee: AT&T Inc
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Filing: 1961-11-29
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Granted: 1963-03-26
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Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Daryl M Chapin
- 👤 Neal D Newby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:08
CPC Classifications
H; H03; H03M; H03M1/00; H04; H04M; H04M11/00; H04M11/002; H04M15/00; H04M15/28; H04M15/30; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A TELEMETERING SYSTEM APPARATUS FOR TRANSLATING THE ANGLE OF ROTATION OF EACH OF A PLURALITY OF SHAFTS INTO AN ELECTRICAL SIGNAL COMPRISING, IN COMBINATION, A PLURALITY OF DISK MEMBERS EACH HAVING A SURFACE DIVIDED INTO AREAS OF RELATIVELY HIGH AND RELATIVELY LOW LIGHT REFLECTIVITY, EACH OF SAID DISKS BEING MOUNTED IN FIXED AXIAL RELATION FOR ROTATION BY A RESPECTIVE ONE OF SAID SHAFTS, A LIGHT BEAM SOURCE, MEANS FOR SCANNING THE SURFACE OF EACH OF SAID DISKS WITH SAID BEAM THEREBY TO GENERATE A PATTERN OF REFLECTED LIGHT VARYING IN INTENSITY IN ACCORDANCE WITH SAID AREAS AND HENCE IN ACCORDANCE WITH THE ANGLE OF ROTATION OF EACH OF SAID SHAFTS, AND MEANS RESPONSIVE TO SAID REFLECTED LIGHT FOR GENERATING AN ELECTRICAL SIGNAL OF CORRESPONDINGLY VARYING MAGNITUDE.
Claim 2
Dependent Claim
127 words
IN A TELEMETERING SYSTEM APPARATUS FOR TRANSLATING THE ANGLE OF ROTATION OF EACH OF A PLURALITY OF SHAFTS INTO AN ELECTRICAL SIGNAL COMPRISING, IN COMBINATION, A PLURALITY OF DISK MEMBERS EACH HAVING A SURFACE DIVIDED INTO AREAS OF RELATIVELY HIGH AND RELATIVELY LOW LIGHT REFLECTIVITY, EACH OF SAID DISKS BEING MOUNTED IN FIXED AXIAL RELATION FOR ROTATION BY A RESPECTIVE ONE OF SAID SHAFTS, A LIGHT BEAM SOURCE, MEANS FOR SCANNING THE SURFACE OF EACH OF SAID DISKS WITH SAID BEAM THEREBY TO GENERATE A PATTERN OF REFLECTED LIGHT VARYING IN INTENSITY IN ACCORDANCE WITH SAID AREAS AND HENCE IN ACCORDANCE WITH THE ANGLE OF ROTATION OF EACH OF SAID SHAFTS, AND MEANS RESPONSIVE TO SAID REFLECTED LIGHT FOR GENERATING AN ELECTRICAL SIGNAL OF CORRESPONDINGLY VARYING MAGNITUDE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |