Patent US3213370A successfully refreshed from Google Patents.
US3213370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal selecting system with switching at the interstice between data increments
Assignee: International Business Machines Corp
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Filing: 1961-03-13
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Granted: 1965-10-19
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 John R Featherston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:49
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/02; H04L1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A DIVERSITY RADIO RECEIVING SYSTEM FOR SPACED DATA SIGNALS, THE SYSTEM INCLUDING A GENERATOR OPERABLE TO GENERATE A SERIES OF UNIQUELY DEFINED PULSES DURING EACH DATA SIGNAL PERIOD AND DURING THE SPACE PERIOD, A PAIR OF DATA SIGNAL CHANNELS, MEANS HAVING AN OUTPUT BY WHICH THE CHANNEL HAVING A PREFERABLE SIGNAL IS IDENTIFIED AND MEANS TO PROVIDE CONNECTION BETWEEN THE IDENTIFIED CHANNEL AND UTILIZATION MEANS, CHANNEL SWITCHING DELAY MEANS COMPRISING: MEANS OPERABLE TO STORE THE OUTPUT OF THE PREFERABLE CHANNEL IDENTIFICATION MEANS; AND MEANS RESPONSIVE TO THE PULSE GENERATED BY THE GENERATOR DURING THE SPACE PERIOD AND THE OUTPUT OF SAID STORAGE MEANS ENERGIZE THE CONNECTING MEANS.
Claim 2
Dependent Claim
108 words
IN A DIVERSITY RADIO RECEIVING SYSTEM FOR SPACED DATA SIGNALS, THE SYSTEM INCLUDING A GENERATOR OPERABLE TO GENERATE A SERIES OF UNIQUELY DEFINED PULSES DURING EACH DATA SIGNAL PERIOD AND DURING THE SPACE PERIOD, A PAIR OF DATA SIGNAL CHANNELS, MEANS HAVING AN OUTPUT BY WHICH THE CHANNEL HAVING A PREFERABLE SIGNAL IS IDENTIFIED AND MEANS TO PROVIDE CONNECTION BETWEEN THE IDENTIFIED CHANNEL AND UTILIZATION MEANS, CHANNEL SWITCHING DELAY MEANS COMPRISING: MEANS OPERABLE TO STORE THE OUTPUT OF THE PREFERABLE CHANNEL IDENTIFICATION MEANS; AND MEANS RESPONSIVE TO THE PULSE GENERATED BY THE GENERATOR DURING THE SPACE PERIOD AND THE OUTPUT OF SAID STORAGE MEANS ENERGIZE THE CONNECTING MEANS.
References Cited (Backward Citations)
US2927965A
Cited
US2383126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |