US3088104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic decoder
Assignee: International Business Machines Corp
•
Filing: 1958-12-24
•
Granted: 1963-04-30
•
Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 Harry R Lord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:29
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/48; H03M1/485
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
AN ELECTRICAL DECODER MEANS COMPRISING A SOURCE OF BINARY ELECTRICAL INPUT INFORMATION, A SAMPLING IMPEDANCE, A VARIABLE RESISTANCE NETWORK, A SOURCE OF D.C. VOLTAGE, A D.C. GROUND, SAID SAMPLING IMPEDANCE AND SAID VARIABLE RESISTANCE NETWORK BEING CONNECTED IN SERIES BETWEEN SAID SOURCE OF D.C. VOLTAGE AND D.C. GROUND, SAID VARIABLE RESISTANCE NETWORK COMPRISING PLURAL PARALLEL RESISTANCE PATHS, EACH HAVING A DIODE CONNECTED THEREIN, SAID DIODES BEING ORIENTED TO BE FORWARDLY BIASED BY SAID D.C.
Claim 2
Dependent Claim
74 words
AN ELECTRICAL DECODER MEANS COMPRISING A SOURCE OF BINARY ELECTRICAL INPUT INFORMATION, A SAMPLING IMPEDANCE, A VARIABLE RESISTANCE NETWORK, A SOURCE OF D.C. VOLTAGE, A D.C. GROUND, SAID SAMPLING IMPEDANCE AND SAID VARIABLE RESISTANCE NETWORK BEING CONNECTED IN SERIES BETWEEN SAID SOURCE OF D.C. VOLTAGE AND D.C. GROUND, SAID VARIABLE RESISTANCE NETWORK COMPRISING PLURAL PARALLEL RESISTANCE PATHS, EACH HAVING A DIODE CONNECTED THEREIN, SAID DIODES BEING ORIENTED TO BE FORWARDLY BIASED BY SAID D.C.
References Cited (Backward Citations)
US2658139A
Cited
US2775754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |