Patent US3147342A successfully refreshed from Google Patents.
US3147342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronous adapter
Assignee: Western Union Telegraph Co
•
Filing: 1961-03-29
•
Granted: 1964-09-01
•
Expires: 1981-03-29
Abstract
No abstract record available.
Inventors
- 👤 Edward J Chojnowski
- 👤 Robert J Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:17
CPC Classifications
H; H03; H03K; H03K21/00; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04L; H04L7/00; H04L7/02; H04L7/033; H04L7/0331
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A SYNCHRONOUS ADAPTER COMPRISING A SOURCE OF CLOCK PULSE SIGNALS, A CORRECTOR MEANS FED BY SAID SOURCE OF CLOCK PULSE SIGNALS TO GENERATE PROBE PULSE SIGNALS, AN ERROR DETECTOR MEANS HAVING A FORWARD MODE OF OPERATION AND A REVERSE MODE OF OPERATION, AN INPUT MEANS ENERGIZED BY RECEIVED LINE SIGNALS TO COUPLE SELECTIVELY SAID ERROR DETECTOR MEANS TO SAID SOURCE OF CLOCK PULSE SIGNALS, A COUNT DIRECTION CONTROL MEANS FED BY SAID CORRECTOR MEANS COUPLED TO CONDITION SAID ERROR DETECTOR MEANS TO ITS FORWARD MODE OF OPERATION OR ITS REVERSE MODE OF OPERATION, AND AN ERROR CORRECTOR MEANS FED BY SAID SOURCE OF CLOCK PULSE SIGNALS AND SAID INPUT MEANS COUPLED TO BLOCK A SIGNAL FED FROM SAID SOURCE OF CLOCK PULSE SIGNALS TO SAID CORRECTOR MEANS TO RETARD THE OCCURRENCE OF A PROBE PULSE SIGNAL AND TO FEED SELECTIVELY A SIGNAL FROM THE ERROR DETECTOR MEANS TO SAID CORRECTOR MEANS TO ADVANCE THE OCCURRENCE OF A PROBE PULSE SIGNAL.
Claim 2
Dependent Claim
160 words
A SYNCHRONOUS ADAPTER COMPRISING A SOURCE OF CLOCK PULSE SIGNALS, A CORRECTOR MEANS FED BY SAID SOURCE OF CLOCK PULSE SIGNALS TO GENERATE PROBE PULSE SIGNALS, AN ERROR DETECTOR MEANS HAVING A FORWARD MODE OF OPERATION AND A REVERSE MODE OF OPERATION, AN INPUT MEANS ENERGIZED BY RECEIVED LINE SIGNALS TO COUPLE SELECTIVELY SAID ERROR DETECTOR MEANS TO SAID SOURCE OF CLOCK PULSE SIGNALS, A COUNT DIRECTION CONTROL MEANS FED BY SAID CORRECTOR MEANS COUPLED TO CONDITION SAID ERROR DETECTOR MEANS TO ITS FORWARD MODE OF OPERATION OR ITS REVERSE MODE OF OPERATION, AND AN ERROR CORRECTOR MEANS FED BY SAID SOURCE OF CLOCK PULSE SIGNALS AND SAID INPUT MEANS COUPLED TO BLOCK A SIGNAL FED FROM SAID SOURCE OF CLOCK PULSE SIGNALS TO SAID CORRECTOR MEANS TO RETARD THE OCCURRENCE OF A PROBE PULSE SIGNAL AND TO FEED SELECTIVELY A SIGNAL FROM THE ERROR DETECTOR MEANS TO SAID CORRECTOR MEANS TO ADVANCE THE OCCURRENCE OF A PROBE PULSE SIGNAL.
References Cited (Backward Citations)
US2934604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |