US3216008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binary data transmitting apparatus
Assignee: International Business Machines Corp
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Filing: 1962-12-18
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Granted: 1965-11-02
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Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 Freeland R Goldammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:52
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/38; H04L25/40; H04L25/49; H04L25/4902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A DATA TRANSMISSION APPARATUS COMPRISING: (A) SIGNAL GENERATING MEANS FOR GENERATING A SUCCESSION OF BI-POLAR ELECTRICAL SIGNALS; (B) A PAIR OF UNIDIRECTIONAL CURRENT CONDUCTING DEVICES CONNECTED TO SAID SIGNAL GENERATING MEANS IN OPPOSITE CONDUCTIVITY RELATIONSHIP, WHEREBY THE POSITIVE PORTION OF SAID BIPOLAR SIGNALS WILL BE PASSED BY A FIRST OF SAID PAIR OF UNIDIRECTIONAL CURRENT CONDUCTING DEVICES AND THE NEGATIVE PORTION PASSED BY THE SECOND OF SAID PAIR OF DEVICES; (C) A TRANSMISSION LINE CONNECTED TO THE FIRST OF SAID PAIR OF DEVICES, (D) AND MEANS CONNECTED BETWEEN THE SECOND OF SAID PAIR OF DEVICES AND SAID TRANSMISSION LINE AND OPERATIVE SYNCHRONOUSLY WITH SAID SIGNAL GENERATING MEANS TO SELECTIVELY PASS TO SAID TRANSMISSION LINE PREDETERMINED ONES OF THE NEGATIVE PORTIONS OF SAID BIPOLAR SIGNALS TO SAID TRANSMISSION LINE.
Claim 2
Dependent Claim
128 words
A DATA TRANSMISSION APPARATUS COMPRISING: (A) SIGNAL GENERATING MEANS FOR GENERATING A SUCCESSION OF BI-POLAR ELECTRICAL SIGNALS; (B) A PAIR OF UNIDIRECTIONAL CURRENT CONDUCTING DEVICES CONNECTED TO SAID SIGNAL GENERATING MEANS IN OPPOSITE CONDUCTIVITY RELATIONSHIP, WHEREBY THE POSITIVE PORTION OF SAID BIPOLAR SIGNALS WILL BE PASSED BY A FIRST OF SAID PAIR OF UNIDIRECTIONAL CURRENT CONDUCTING DEVICES AND THE NEGATIVE PORTION PASSED BY THE SECOND OF SAID PAIR OF DEVICES; (C) A TRANSMISSION LINE CONNECTED TO THE FIRST OF SAID PAIR OF DEVICES, (D) AND MEANS CONNECTED BETWEEN THE SECOND OF SAID PAIR OF DEVICES AND SAID TRANSMISSION LINE AND OPERATIVE SYNCHRONOUSLY WITH SAID SIGNAL GENERATING MEANS TO SELECTIVELY PASS TO SAID TRANSMISSION LINE PREDETERMINED ONES OF THE NEGATIVE PORTIONS OF SAID BIPOLAR SIGNALS TO SAID TRANSMISSION LINE.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |