Patent US3289170A successfully refreshed from Google Patents.
US3289170A
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US
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Data transmitting and receiving system using pulse width modulation
Assignee: TNC US Holdings Inc
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Filing: 1962-10-24
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Granted: 1966-11-29
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Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 Charles H Currey
- 👤 Curtis B Bendell
- 👤 Brown Arthur Charles Lewis
- 👤 Donald E Haselwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:45
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/76; H04H60/81; H04H60/93; H04H60/94; H04H60/61; H04H60/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A SELECTING SYSTEM USING DISCRETE BIT REPRESENTING SIGNALS OF A FIRST DURATION AND A SECOND DURATION, COMPRISING A SIGNALING CHANNEL TO WHICH SAID DISCRETE SIGNALS OF SAID FIRST AND SECOND DURATIONS CAN BE APPLIED, COUNTING MEANS SUCCESSIVELY OPERATED TO DIFFERENT SETTINGS IN RESPONSE TO THE DISCRETE SIGNALS APPLIED TO SAID CHANNEL, A DETECTING CIRCUIT, CONTROL MEANS CONTROLLED BY SAID COUNTING MEANS AND COUPLED TO THE DETECTING CIRCUIT FOR CONDITIONING SAID DETECTING CIRCUIT TO RECEIVE THE NEXT BIT OF A KNOWN PATTERN OF BIT REPRESENTING SIGNALS OF SAID FIRST AND SECOND DURATIONS, MEANS CONTROLLED BY EACH SIGNAL RECEIVED FROM SAID CHANNEL FOR SUPPLYING A CORRESPONDING SIGNAL TO SAID DETECTING CIRCUIT, AND MEANS CONTROLLED BY SAID DETECTING MEANS FOR PROVIDING AN INDICATION WHEN ANY SIGNAL RECEIVED FROM SAID CHANNEL HAS A DURATION OTHER THAN THE DURATION FOR WHICH THE DETECTING CIRCUIT HAS BEEN CONDITIONED.
Claim 2
Dependent Claim
142 words
A SELECTING SYSTEM USING DISCRETE BIT REPRESENTING SIGNALS OF A FIRST DURATION AND A SECOND DURATION, COMPRISING A SIGNALING CHANNEL TO WHICH SAID DISCRETE SIGNALS OF SAID FIRST AND SECOND DURATIONS CAN BE APPLIED, COUNTING MEANS SUCCESSIVELY OPERATED TO DIFFERENT SETTINGS IN RESPONSE TO THE DISCRETE SIGNALS APPLIED TO SAID CHANNEL, A DETECTING CIRCUIT, CONTROL MEANS CONTROLLED BY SAID COUNTING MEANS AND COUPLED TO THE DETECTING CIRCUIT FOR CONDITIONING SAID DETECTING CIRCUIT TO RECEIVE THE NEXT BIT OF A KNOWN PATTERN OF BIT REPRESENTING SIGNALS OF SAID FIRST AND SECOND DURATIONS, MEANS CONTROLLED BY EACH SIGNAL RECEIVED FROM SAID CHANNEL FOR SUPPLYING A CORRESPONDING SIGNAL TO SAID DETECTING CIRCUIT, AND MEANS CONTROLLED BY SAID DETECTING MEANS FOR PROVIDING AN INDICATION WHEN ANY SIGNAL RECEIVED FROM SAID CHANNEL HAS A DURATION OTHER THAN THE DURATION FOR WHICH THE DETECTING CIRCUIT HAS BEEN CONDITIONED.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |