Patent US3307148A successfully refreshed from Google Patents.
US3307148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural matrix decoding circuit
Assignee: NEC Corp
•
Filing: 1963-04-05
•
Granted: 1967-02-28
•
Expires: 1983-04-05
Abstract
No abstract record available.
Inventors
- 👤 Fukamachi Masahiko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:33
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/02; G09; G09B; G09B7/00; G09B7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A DECODING CIRCUIT ADAPTED TO RECEIVE A PLURALITY OF INPUT SIGNALS DIVISIBLE INTO INDEPENDENT GROUPS OF SIGNALS, THE IMPROVEMENT COMPRISING A PLURALITY OF DIODE INPUT MATRICES EACH CORRESPONDING TO ONE OF SAID GROUPS OF INPUT SIGNALS, EACH OF SAID MATRICES HAVING A PLURALITY OF INPUTS AND A CORRESPONDING PLURALITY OF OUTPUTS, A PLURALITY OF LOGICAL CIRCUITS EACH COUPLED TO ONLY ONE OUTPUT FROM EACH OF SAID INPUT MATRICES, AND A PLURALITY OF INDICATORS EACH COUPLED TO THE OUTPUT OF A CORRESPONDING LOGICAL CIRCUIT FOR INDICATING A GIVEN INPUT CONDITION ON ONE INPUT OF EACH OF SAID MATRICES.
Claim 2
Dependent Claim
98 words
IN A DECODING CIRCUIT ADAPTED TO RECEIVE A PLURALITY OF INPUT SIGNALS DIVISIBLE INTO INDEPENDENT GROUPS OF SIGNALS, THE IMPROVEMENT COMPRISING A PLURALITY OF DIODE INPUT MATRICES EACH CORRESPONDING TO ONE OF SAID GROUPS OF INPUT SIGNALS, EACH OF SAID MATRICES HAVING A PLURALITY OF INPUTS AND A CORRESPONDING PLURALITY OF OUTPUTS, A PLURALITY OF LOGICAL CIRCUITS EACH COUPLED TO ONLY ONE OUTPUT FROM EACH OF SAID INPUT MATRICES, AND A PLURALITY OF INDICATORS EACH COUPLED TO THE OUTPUT OF A CORRESPONDING LOGICAL CIRCUIT FOR INDICATING A GIVEN INPUT CONDITION ON ONE INPUT OF EACH OF SAID MATRICES.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |