US3263215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error correcting arrangement for punched tape electrical signalling system
Assignee: British Telecommunications PLC
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Filing: 1962-12-07
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Granted: 1966-07-26
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Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
- 👤 Brooke Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:36
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/12; H04L1/16; H04L1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A SYSTEM FOR REPRODUCING AT A RECEIVING POINT A PUNCHED TAPED LOCATED AT A REMOTELY SITUATE TRANSMITTING POINT, A SIGNALLING CHANNEL CONNECTING THE TRANSMITTING AND RECEIVING POINTS, A REVERSIBLE TAPE READER AT THE TRANSMITTING POINT, MEANS FOR STEPPING SAID TAPE READER FORWARD TO TRANSMIT SIGNALS OVER SAID CHANNEL IN ACCORDANCE WITH THE PUNCHINGS IN SAID TAPE, A PUNCH AT THE RECEIVING POINT, ERROR DETECTING MEANS RESPONSIVE TO THE INCORRECT RECEIPT OF A CHARACTER TRANSMITTED OVER SAID CHANNEL, MEANS CONTROLLED BY SAID ERROR DETECTING MEANS FOR ARRESTING THE OPERATION OF SAID PUNCH, SIGNALLING MEANS ALSO CONTROLLED BY SAID ERROR DETECTING MEANS FOR TRANSMITTING A SIGNAL BACK TO SAID TAPE READER, MEANS RESPONSIVE TO SAID SIGNAL FOR STEPPING SAID TAPE READER
Claim 2
Dependent Claim
120 words
IN A SYSTEM FOR REPRODUCING AT A RECEIVING POINT A PUNCHED TAPED LOCATED AT A REMOTELY SITUATE TRANSMITTING POINT, A SIGNALLING CHANNEL CONNECTING THE TRANSMITTING AND RECEIVING POINTS, A REVERSIBLE TAPE READER AT THE TRANSMITTING POINT, MEANS FOR STEPPING SAID TAPE READER FORWARD TO TRANSMIT SIGNALS OVER SAID CHANNEL IN ACCORDANCE WITH THE PUNCHINGS IN SAID TAPE, A PUNCH AT THE RECEIVING POINT, ERROR DETECTING MEANS RESPONSIVE TO THE INCORRECT RECEIPT OF A CHARACTER TRANSMITTED OVER SAID CHANNEL, MEANS CONTROLLED BY SAID ERROR DETECTING MEANS FOR ARRESTING THE OPERATION OF SAID PUNCH, SIGNALLING MEANS ALSO CONTROLLED BY SAID ERROR DETECTING MEANS FOR TRANSMITTING A SIGNAL BACK TO SAID TAPE READER, MEANS RESPONSIVE TO SAID SIGNAL FOR STEPPING SAID TAPE READER
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |