US3588474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Readout counters
Assignee: Tamura Electric Works Ltd
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Filing: 1968-10-17
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Granted: 1971-06-28
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Expires: 1988-10-17
Abstract
Abstract A READOUT COUNTER IS COMPRISED BY A DIGIT WHEEL HAVING A PLURALITY OF MAGNETS CORRESPONDING TO DIGITS TO BE DISPLAYED AND A HALL ELEMENT EXCITED BY A CONSTANT CURRENT. THE MAGNETS HAVE DIFFERENT INTENSITY SO THAT THE HALL ELEMENT PROVIDE AN OUTPUT VOLTAGE CORRESPONDING TO THE DIGITS.
Inventors
- 👤 Tsunemoto Nakanishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:56
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/27; G06M1/274
Claims Analysis
Total Claims: 0
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |