US3322896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resynchronizer circuit for printing telegraph receiver
Assignee: AT&T Teletype Corp
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Filing: 1963-09-20
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Granted: 1967-05-30
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Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
- 👤 Frank D Biggam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:22
CPC Classifications
H; H04; H04L; H04L7/00; H04L7/04; H04L7/041; H04L7/044
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
97 words
THE METHOD OF CONTROLLING THE CYCLIC RESTARTING OF A START-STOP RECEIVING INSTRUMENTALITY COMPRISING THE STEPS OF: (A) CAUSING THE STOPPING OF THE RECEIVING INSTRUMENTALITY AT THE END OF A CYCLE OF OPERATION OF THE INSTRUMENTALITY, (B) MAINTAINING THE RECEIVING INSTRUMENTALITY IN THE STOPPED CONDITION BEYOND THE DURATION OF A NORMAL STOP SIGNAL IN THE ABSENCE OF SUCH SIGNAL, AND (C) RESTARTING THE INSTRUMENTALITY ONLY IN RESPONSE TO A TRANSITION OF THE INCOMING SIGNAL FROM THE SIGNAL CONDITION USED FOR A STOP SIGNAL TO ANOTHER SIGNAL CONDITION OCCURRING NO EARLIER THAN THE END OF A NORMAL STOP SIGNAL.
Claim 2
Independent Claim
97 words
THE METHOD OF CONTROLLING THE CYCLIC RESTARTING OF A START-STOP RECEIVING INSTRUMENTALITY COMPRISING THE STEPS OF: (A) CAUSING THE STOPPING OF THE RECEIVING INSTRUMENTALITY AT THE END OF A CYCLE OF OPERATION OF THE INSTRUMENTALITY, (B) MAINTAINING THE RECEIVING INSTRUMENTALITY IN THE STOPPED CONDITION BEYOND THE DURATION OF A NORMAL STOP SIGNAL IN THE ABSENCE OF SUCH SIGNAL, AND (C) RESTARTING THE INSTRUMENTALITY ONLY IN RESPONSE TO A TRANSITION OF THE INCOMING SIGNAL FROM THE SIGNAL CONDITION USED FOR A STOP SIGNAL TO ANOTHER SIGNAL CONDITION OCCURRING NO EARLIER THAN THE END OF A NORMAL STOP SIGNAL.
Claim 3
Dependent Claim
78 words
IN A START-STOP TELEGRAPH RECEIVER, (A) AN INTERVAL TIMER ACTIVATED INCIDENT TO RECEPTION OF THE LAST SIGNAL OF A CODE COMBINATION, (B) MEANS ENABLED BY SAID INTERVAL TIMER UPON ACTIVATION THEREOF FOR IMPRESSING A STOP SIGNAL ON SAID RECEIVER, AND (C) MEANS RESPONSIVE TO RECEIPT OF A START SIGNAL CONDITION BY THE RECEIVER AT THE END OF THE TIME DETERMINED BY THE INTERVAL TIMER TO PROLONG SAID STOP SIGNAL BEYOND THE INTERVAL OF ACTIVATION OF SAID INTERVAL TIMER.
Claim 4
Dependent Claim
78 words
IN A START-STOP TELEGRAPH RECEIVER, (A) AN INTERVAL TIMER ACTIVATED INCIDENT TO RECEPTION OF THE LAST SIGNAL OF A CODE COMBINATION, (B) MEANS ENABLED BY SAID INTERVAL TIMER UPON ACTIVATION THEREOF FOR IMPRESSING A STOP SIGNAL ON SAID RECEIVER, AND (C) MEANS RESPONSIVE TO RECEIPT OF A START SIGNAL CONDITION BY THE RECEIVER AT THE END OF THE TIME DETERMINED BY THE INTERVAL TIMER TO PROLONG SAID STOP SIGNAL BEYOND THE INTERVAL OF ACTIVATION OF SAID INTERVAL TIMER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |