US3292000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra high speed parametric digital circuits
Assignee: General Electric Co
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Filing: 1961-06-19
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Granted: 1966-12-13
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Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Woo F Chow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:07
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/16; H03K19/162
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
IN COMBINATION: MEANS FOR SUPPLYING A DIGITAL INPUT SIGNAL OF A PREDETERMINED FREQUENCY CODED IN PHASE; LOGIC MEANS RESPONSIVE THERETO AND ADAPTED TO PERFORM A LOGIC OPERATION THEREON PRODUCING A LOGIC SIGNAL IN PHASE CODING, A DEGENERATE CASE PARAMETRIC AMPLIFYING MEANS ADAPTED TO RECEIVE SAID LOGIC SIGNAL AS AN INPUT AT A COMMON TERMINAL AND PRODUCE AT SAID COMMON TERMINAL A SYNCHRONIZED OUTPUT SIGNAL AT THE SAME FREQUENCY AS SAID LOGIC SIGNAL; A TRANSISTOR CONNECTED BETWEEN SAID LOGIC MEANS AND SAID COMMON TERMINAL TO PROVIDE ONLY FORWARD SIGNAL PROPAGATION FROM SAID LOGIC MEANS TO SAID COMMON TERMINAL; AND ALIMITER CONNECTED TO SAID COMMON TERMINAL TO LIMIT SAID LOGIC SIGNAL INPUT AND THEREBY PROVIDE CONSTANT AMPLITUDE OUTPUT SIGNALS.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |