Patent US3093477A successfully refreshed from Google Patents.
US3093477A
Expired / Lapsed
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Electro-optical bistable light switch
Assignee: International Business Machines Corp
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Filing: 1959-12-31
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Granted: 1963-06-11
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Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Triebwasser Sol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:11
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/42; H03K17/00; H03K17/51; H03K17/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
AN ELECTRO-OPTICAL BISTABLE DEVICE COMPRISING A LIGHT SOURCE, A LIGHT SWITCH INCLUDING A LIGHT MODULATING ELEMENT, LIGHT RESPONSIVE MEANS PRODUCING AN OUTPUT VOLTAGE, MEANS FOR APPLYING SAID VOLTAGE TO SAID LIGHT MODULATING ELEMENT, SAID LIGHT SWITCH BEING INTERPOSED BETWEENN SAID LIGHT SOURCE AND SAID LIGHT RESPONSIVE MEANS, A VOLTAGE SOURCE, MEANS FOR SELECTIVELY COUPLING SAID VOLTAGE SOURCE ACROSS SAID ELEMENT TO OPERATE SAID DEVICE IN A FIRST STABLE STATE AND MEANS FOR SELECTIVELY REDUCING THE VOLTAGE ACROSS SAID ELEMENT TO OPERATE SAID DEVICE IN A SECOND STABLE STATE.
Claim 2
Dependent Claim
88 words
AN ELECTRO-OPTICAL BISTABLE DEVICE COMPRISING A LIGHT SOURCE, A LIGHT SWITCH INCLUDING A LIGHT MODULATING ELEMENT, LIGHT RESPONSIVE MEANS PRODUCING AN OUTPUT VOLTAGE, MEANS FOR APPLYING SAID VOLTAGE TO SAID LIGHT MODULATING ELEMENT, SAID LIGHT SWITCH BEING INTERPOSED BETWEENN SAID LIGHT SOURCE AND SAID LIGHT RESPONSIVE MEANS, A VOLTAGE SOURCE, MEANS FOR SELECTIVELY COUPLING SAID VOLTAGE SOURCE ACROSS SAID ELEMENT TO OPERATE SAID DEVICE IN A FIRST STABLE STATE AND MEANS FOR SELECTIVELY REDUCING THE VOLTAGE ACROSS SAID ELEMENT TO OPERATE SAID DEVICE IN A SECOND STABLE STATE.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |