Patent US3209339A successfully refreshed from Google Patents.
US3209339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching circuits
Assignee: RCA Corp
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Filing: 1960-10-26
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Granted: 1965-09-28
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Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Herbert D Blaustein
- 👤 John A Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:53
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A MEMORY SYSTEM COMPRISING A PLURALITY OF TRANSDUCERS, AND EQUAL PLURALITY OF WRITE GATES EACH INCLUDING WRITE INPUT TERMINALS AND INCLUDING OUTPUT TERMINALS CONNECTED TO A CORRESPONDING TRANSDUCER, AN EQUAL PLURALITY OF READ GATES EACH INCLUDING INPUT TERMINALS CONNECTED TO A CORRESPONDING TRANSDUCER AND INCLUDING READ OUTPUT TERPUT TERMINALS, A READ AMPLIFIER COUPLED TO ALL OF SAID READ PUT TERMINALS, A READ AMPLIFIER COUPLED TO ALL OF SAID READ OUTPUT TERMINALS, MEANS TO RENDER CONDUCTIVE THE WRITE GATE CONNECTED TO ONE OF SAID TRANSDUCERS TO PERMIT THE PASSATE OF WRITE SIGNALS TO THE TRANSDUCERS TO PERMIT THE ERATIVE AT THE SAME TIME TO RENDER CONDUCTIVE THE READ GATE CONNECTED TO ANOTHER ONE OF SAID TRANSDUCERS TO PERMIT THE PASSAGE OF READ SIGNALS FROM THE TRANSDUCER TO SAID READ AMPLIFIER.
Claim 2
Dependent Claim
129 words
A MEMORY SYSTEM COMPRISING A PLURALITY OF TRANSDUCERS, AND EQUAL PLURALITY OF WRITE GATES EACH INCLUDING WRITE INPUT TERMINALS AND INCLUDING OUTPUT TERMINALS CONNECTED TO A CORRESPONDING TRANSDUCER, AN EQUAL PLURALITY OF READ GATES EACH INCLUDING INPUT TERMINALS CONNECTED TO A CORRESPONDING TRANSDUCER AND INCLUDING READ OUTPUT TERPUT TERMINALS, A READ AMPLIFIER COUPLED TO ALL OF SAID READ PUT TERMINALS, A READ AMPLIFIER COUPLED TO ALL OF SAID READ OUTPUT TERMINALS, MEANS TO RENDER CONDUCTIVE THE WRITE GATE CONNECTED TO ONE OF SAID TRANSDUCERS TO PERMIT THE PASSATE OF WRITE SIGNALS TO THE TRANSDUCERS TO PERMIT THE ERATIVE AT THE SAME TIME TO RENDER CONDUCTIVE THE READ GATE CONNECTED TO ANOTHER ONE OF SAID TRANSDUCERS TO PERMIT THE PASSAGE OF READ SIGNALS FROM THE TRANSDUCER TO SAID READ AMPLIFIER.
References Cited (Backward Citations)
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Cited
US2825889A
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US3133273A
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US3019420A
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US3002184A
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US3122726A
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US3115621A
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US2963685A
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |