US3114081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse generator for demand metering
Assignee: General Electric Co
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Filing: 1961-04-17
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Granted: 1963-12-10
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Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Richard E Whipple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:44
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/36; G01R11/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
AN IMPULSE GENERATING DEVICE FOR A WATTHOUR METER COMPRISING; A SUPPORT STRUCTURE ADAPTED TO BE MOUNTED ON A WATTHOUR METER, A GEAR TRAIN MOUNTED IN SAID SUPPORT STRUCTURE, SAID GEAR TRAIN ADAPTED TO BE DRIVEN BY THE ROTOR OF A WATTHOUR METER, A SHUTTER DISC ROTATABLY MOUNTED IN SAID SUPPORT STRUCTURE, MEANS INTERCONNECTING SAID SHUTTER DISC AND SAID GEAR TRAIN TO CAUSE ROTATION OF SAID SHUTTER DISC, A LIGHT SOURCE MOUNTED IN SAID SUPPORT STRUCTURE ON ONE SIDE OF SAID SHUTER DISC, A PHOTOELECTRIC CELL MOUNTED IN SAID SUPPORT STRUCTURE ON THE OTHER SIDE OF SAID SHUTTER DISC, SPACED APERTURES PROVIDED IN SAID SHUTTER DISC BETWEEN SAID LIGHT SOURCE AND SAID PHOTOELECTRIC CELL, EACH OF SAID SPACED APERTURES COMPRISING A SLOTTED OPENING HAVING A NARROW PORTION AND A WIDE PORTION IN THE DIRECTION OF ROTATION OF SAID DISC, WHEREBY AS SAID SHUTTER DISC IS ROTATED THREE AREAS OF LIGHT ARE IMPRESSED UPON SAID CELL TO THEREBY VARY THE RESISTANCE OF SAID PHOTOELECTRIC CELL WHEREBY WHEN AN ELECTRIC POTENTIAL IS IMPRESSED ACROSS SAID PHOTOELECTRIC CELL AND SAID SHUTTER DISC IS ROTATED, A FLUCTUATING ELECTRIC CURRENT IS CAUSED TO FLOW IN SAID CELL PROPORTIONAL TO THE ROTATION OF SAID SHUTTER DISC.
Claim 2
Dependent Claim
199 words
AN IMPULSE GENERATING DEVICE FOR A WATTHOUR METER COMPRISING; A SUPPORT STRUCTURE ADAPTED TO BE MOUNTED ON A WATTHOUR METER, A GEAR TRAIN MOUNTED IN SAID SUPPORT STRUCTURE, SAID GEAR TRAIN ADAPTED TO BE DRIVEN BY THE ROTOR OF A WATTHOUR METER, A SHUTTER DISC ROTATABLY MOUNTED IN SAID SUPPORT STRUCTURE, MEANS INTERCONNECTING SAID SHUTTER DISC AND SAID GEAR TRAIN TO CAUSE ROTATION OF SAID SHUTTER DISC, A LIGHT SOURCE MOUNTED IN SAID SUPPORT STRUCTURE ON ONE SIDE OF SAID SHUTER DISC, A PHOTOELECTRIC CELL MOUNTED IN SAID SUPPORT STRUCTURE ON THE OTHER SIDE OF SAID SHUTTER DISC, SPACED APERTURES PROVIDED IN SAID SHUTTER DISC BETWEEN SAID LIGHT SOURCE AND SAID PHOTOELECTRIC CELL, EACH OF SAID SPACED APERTURES COMPRISING A SLOTTED OPENING HAVING A NARROW PORTION AND A WIDE PORTION IN THE DIRECTION OF ROTATION OF SAID DISC, WHEREBY AS SAID SHUTTER DISC IS ROTATED THREE AREAS OF LIGHT ARE IMPRESSED UPON SAID CELL TO THEREBY VARY THE RESISTANCE OF SAID PHOTOELECTRIC CELL WHEREBY WHEN AN ELECTRIC POTENTIAL IS IMPRESSED ACROSS SAID PHOTOELECTRIC CELL AND SAID SHUTTER DISC IS ROTATED, A FLUCTUATING ELECTRIC CURRENT IS CAUSED TO FLOW IN SAID CELL PROPORTIONAL TO THE ROTATION OF SAID SHUTTER DISC.
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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |