Patent US3147469A successfully refreshed from Google Patents.
US3147469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Numeral display having plural electrode control of character fragments
Assignee: Hazeltine Research Inc
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Filing: 1961-12-06
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Granted: 1964-09-01
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Expires: 1981-12-06
Abstract
No abstract record available.
Inventors
- 👤 Walter H Buchsbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:17
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/04; G09G3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A READOUT DEVICE COMPRISING: MEANS FOR SUPPLYING A SIGNAL REPRESENTATIVE OF A CHARACTER TO BE DISPLAYED; A PLURALITY OF LIGHT EMITTING CURRENT COLLECTING SECTIONS SO POSITIONED THAT SELECTED SECTIONS MAY COMPOSE A CHARACTER; A PLURALITY OF ELECTRODE GROUPS, ONE GROUP ASSOCIATED WITH EACH LIGHT EMITTING CURRENT COLLECTING SECTION AND EACH GROUP HAVING MORE THAN ONE ELECTRODE, FOR SUPPLYING ELECTRON CURRENT FLOW TOWARD SELECTED ASSOCIATED LIGHT EMITTING CURRENT COLLECTING SECTIONS WHEN ALL THE ELECTRODES OF THE GROUP ARE ENERGIZED WITH PREDETERMINED POTENTIALS; AND MEANS RESPONSIVE TO SAID SIGNAL FOR ENERGIZING SELECTED ELECTRODES WITH SAID PREDETERMINED POTENTIALS TO PERMIT ILLUMINATION OF THE ASSOCIATED LIGHT EMITTING CURRENT COLLECTING SECTION, THEREBY DISPLAYING A COMPLETE CHARACTER REPRESENTED BY SAID SIGNAL.
Claim 2
Dependent Claim
115 words
A READOUT DEVICE COMPRISING: MEANS FOR SUPPLYING A SIGNAL REPRESENTATIVE OF A CHARACTER TO BE DISPLAYED; A PLURALITY OF LIGHT EMITTING CURRENT COLLECTING SECTIONS SO POSITIONED THAT SELECTED SECTIONS MAY COMPOSE A CHARACTER; A PLURALITY OF ELECTRODE GROUPS, ONE GROUP ASSOCIATED WITH EACH LIGHT EMITTING CURRENT COLLECTING SECTION AND EACH GROUP HAVING MORE THAN ONE ELECTRODE, FOR SUPPLYING ELECTRON CURRENT FLOW TOWARD SELECTED ASSOCIATED LIGHT EMITTING CURRENT COLLECTING SECTIONS WHEN ALL THE ELECTRODES OF THE GROUP ARE ENERGIZED WITH PREDETERMINED POTENTIALS; AND MEANS RESPONSIVE TO SAID SIGNAL FOR ENERGIZING SELECTED ELECTRODES WITH SAID PREDETERMINED POTENTIALS TO PERMIT ILLUMINATION OF THE ASSOCIATED LIGHT EMITTING CURRENT COLLECTING SECTION, THEREBY DISPLAYING A COMPLETE CHARACTER REPRESENTED BY SAID SIGNAL.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |