US3096442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive solid state relay device
Assignee: Texas Instruments Inc
•
Filing: 1959-01-02
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Granted: 1963-07-02
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Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Richard F Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:41
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/62; H03K17/6285; H10; H10F; H10F30/00; H10F99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A SOLID STATE RELAY DEVICE COMPRISING A PNPN TRANSISTOR, A LAYER OF ELECTROLUMINESCENT MATERIAL POSITIONED TO IRRADIATE THE JUNCTIONS OF SAID PNPN TRANSISTOR WITH LIGHT EMITTED BY SAID LAYER OF ELECTROLUMINESCENT MATERIAL, A LAYER OF ELECTRICALLY CONDUCTING AND LIGHT TRANSMITTING MATERIAL MAKING CONTACT WITH SAID LAYER OF ELECTROLUMINESCENT MATERIAL AND POSITIONED BETWEEN SAID LAYER OF ELECTROLUMINESCENT MATERIAL AND SAID PNPN TRANSISTOR, A LAYER OF INSULTING AND LIGHT TRANSMITTING MATERIAL SANDWICHED BETWEEN SAID PNPN TRANSISTOR AND SAID LAYER OF ELECTRICALLY CONDUCING AND LIGHT TRANSMITTING MATERIAL, AND A LAYER OF ELECTRICALLY CONDUCTING MATERIAL MAKING CONTACT WITH SAID LAYER OF ELECTROLUMINESCENT MATERIAL ON THE OPPOSITE SIDE FROM SAID LAYER OF ELECTRICALLY CONDUCTING AND LIGHT TRANSMITTING MATERIAL.
Claim 2
Dependent Claim
113 words
A SOLID STATE RELAY DEVICE COMPRISING A PNPN TRANSISTOR, A LAYER OF ELECTROLUMINESCENT MATERIAL POSITIONED TO IRRADIATE THE JUNCTIONS OF SAID PNPN TRANSISTOR WITH LIGHT EMITTED BY SAID LAYER OF ELECTROLUMINESCENT MATERIAL, A LAYER OF ELECTRICALLY CONDUCTING AND LIGHT TRANSMITTING MATERIAL MAKING CONTACT WITH SAID LAYER OF ELECTROLUMINESCENT MATERIAL AND POSITIONED BETWEEN SAID LAYER OF ELECTROLUMINESCENT MATERIAL AND SAID PNPN TRANSISTOR, A LAYER OF INSULTING AND LIGHT TRANSMITTING MATERIAL SANDWICHED BETWEEN SAID PNPN TRANSISTOR AND SAID LAYER OF ELECTRICALLY CONDUCING AND LIGHT TRANSMITTING MATERIAL, AND A LAYER OF ELECTRICALLY CONDUCTING MATERIAL MAKING CONTACT WITH SAID LAYER OF ELECTROLUMINESCENT MATERIAL ON THE OPPOSITE SIDE FROM SAID LAYER OF ELECTRICALLY CONDUCTING AND LIGHT TRANSMITTING MATERIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |