US3303285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communication system for the selective transmission of speech and data
Assignee: TDK Micronas GmbH
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Filing: 1963-05-29
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Granted: 1967-02-07
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Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Warren G Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:41
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/17; H04J3/172
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A COMMUNICATION SYSTEM COMPRISING: A COMMUNICATION CHANNEL FOR TRANSMITTING A FIRST TYPE OF INTELLIGENCE IN THE FORM OF DIGITAL CODE GROUPS; A SOURCE OF CODE CHARACTERS REPRESENTING A SECOND TYPE OF INTELLIGENCE; MEANS COUPLED TO SAID CHANNEL TO DETECT IDLE INTERVALS IN SAID FIRST TYPE OF INTELLIGENCE; MEANS COUPLED TO SAID SOURCE OF CODE CHARACTERS, SAID CHANNEL AND SAID MEANS TO DETECT RESPONSIVE TO THE OUTPUT OF SAID MEANS TO DETECT TO COUPLE SAID CODE CHARACTERS TO SAID CHANNEL DURING SAID IDLE INTERVALS; AND MEANS COUPLED TO SAID CHANNEL RESPONSIVE TO SAID CODE CHARACTERS TO CONTROL THE COUPLING OF SAID CODE GROUPS AND SAID CODE CHARACTERS TO APPROPRIATE UTILIZATION DEVICES; SAID SOURCE OF CODE CHARACTERS INCLUDING A SOURCE OF MESSAGE CHARACTERS, A FIRST GENERATOR TO PRODUCE A FIRST PREDETERMINED CODE PATTERN TO IDENTIFY THE BEGINNING OF SAID IDLE INTERVAL, AND A SECOND GENERATOR TO PRODUCE A SECOND PREDETERMINED CODE PATTERN TO IDENTIFY THE END OF SAID IDLE INTERVAL.
Claim 2
Dependent Claim
158 words
A COMMUNICATION SYSTEM COMPRISING: A COMMUNICATION CHANNEL FOR TRANSMITTING A FIRST TYPE OF INTELLIGENCE IN THE FORM OF DIGITAL CODE GROUPS; A SOURCE OF CODE CHARACTERS REPRESENTING A SECOND TYPE OF INTELLIGENCE; MEANS COUPLED TO SAID CHANNEL TO DETECT IDLE INTERVALS IN SAID FIRST TYPE OF INTELLIGENCE; MEANS COUPLED TO SAID SOURCE OF CODE CHARACTERS, SAID CHANNEL AND SAID MEANS TO DETECT RESPONSIVE TO THE OUTPUT OF SAID MEANS TO DETECT TO COUPLE SAID CODE CHARACTERS TO SAID CHANNEL DURING SAID IDLE INTERVALS; AND MEANS COUPLED TO SAID CHANNEL RESPONSIVE TO SAID CODE CHARACTERS TO CONTROL THE COUPLING OF SAID CODE GROUPS AND SAID CODE CHARACTERS TO APPROPRIATE UTILIZATION DEVICES; SAID SOURCE OF CODE CHARACTERS INCLUDING A SOURCE OF MESSAGE CHARACTERS, A FIRST GENERATOR TO PRODUCE A FIRST PREDETERMINED CODE PATTERN TO IDENTIFY THE BEGINNING OF SAID IDLE INTERVAL, AND A SECOND GENERATOR TO PRODUCE A SECOND PREDETERMINED CODE PATTERN TO IDENTIFY THE END OF SAID IDLE INTERVAL.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |