US3154697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data transmitting apparatus employing switches and diodes to selectively transmit pulses of desired polarity
Assignee: International Business Machines Corp
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Filing: 1962-12-31
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Granted: 1964-10-27
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Albert X Widmer
- 👤 Abramson Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:31
CPC Classifications
G; G08; G08C; G08C15/00; G08C15/06; G08C15/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A DATA TRANSMITTING APPARATUS FOR SELECTIVELY TRANSMITTING A SUCCESSION OF POSITIVE AND NEGATIVE PULSES ON A COMMON TRANSMISSION LINE THE COMBINATION OF: (A) A PLURALITY OF SEQUENTIALLY OPERATIVE SIGNAL GENERATORS EACH ADAPTED IN TURN TO PRODUCE A BI-POLAR ELECTRICAL SIGNAL; (B) MEANS FOR SEGREGATING EACH RESPECTIVE BI-POLAR SIGNAL INTO ITS POSITIVE AND NEGATIVE COMPONENT PULSES; (C) SELECTING MEANS FOR SELECTING PREDETERMINED ONES OF SAID SEGREGATED POSITIVE AND NEGATIVE PULSES FOR TRANSMISSION ON SAID TRANSMISSION LINE; (D) AND MEANS CONNECTED TO SAID TRANSMISSION LINE AND TO SAID SELECTING MEANS AND OPERATIVE RESPONSIVE SOLELY TO THE ENERGY CONTENT OF SAID SEGREGATED POSITIVE AND NEGATIVE PULSES FOR RECOMBINING SAID PULSES FOR TRANSMISSION ON SAID LINE.
Claim 2
Dependent Claim
113 words
IN A DATA TRANSMITTING APPARATUS FOR SELECTIVELY TRANSMITTING A SUCCESSION OF POSITIVE AND NEGATIVE PULSES ON A COMMON TRANSMISSION LINE THE COMBINATION OF: (A) A PLURALITY OF SEQUENTIALLY OPERATIVE SIGNAL GENERATORS EACH ADAPTED IN TURN TO PRODUCE A BI-POLAR ELECTRICAL SIGNAL; (B) MEANS FOR SEGREGATING EACH RESPECTIVE BI-POLAR SIGNAL INTO ITS POSITIVE AND NEGATIVE COMPONENT PULSES; (C) SELECTING MEANS FOR SELECTING PREDETERMINED ONES OF SAID SEGREGATED POSITIVE AND NEGATIVE PULSES FOR TRANSMISSION ON SAID TRANSMISSION LINE; (D) AND MEANS CONNECTED TO SAID TRANSMISSION LINE AND TO SAID SELECTING MEANS AND OPERATIVE RESPONSIVE SOLELY TO THE ENERGY CONTENT OF SAID SEGREGATED POSITIVE AND NEGATIVE PULSES FOR RECOMBINING SAID PULSES FOR TRANSMISSION ON SAID LINE.
References Cited (Backward Citations)
US2817079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |