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US3350647A Expired / Lapsed US ⏱️ 0.0 years remaining

Wired broadcasting systems and communication cables therefor

Assignee: Communications Patents Ltd
•
Filing: 1963-10-21
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Granted: 1967-10-31
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Expires: 1983-10-21
📄 Original PDF 🌐 Google Patents

Abstract

No abstract record available.

Inventors

  • 👤 Ralph P Gabriel
  • 👤 Rupert I Kinross

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 05:34
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/10; H04N7/108; H04H; H04H20/00; H04H20/10; H04H20/106; H04H20/65; H04H20/76; H04H20/77; H04H20/28

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 348 words
A WIRED BROADCASTING SYSTEM COMPRISING TRANSMITTING MEANS FOR TRANSMITTING A PLURALITY OF HIGH FREQUENCY SIGNALS CORRESPONDING TO DIFFERENT TELEVISION PICTURE PROGRAMS AND A PLURALITY OF AUDIO FREQUENCY SIGNALS CORRESPONDING TO DIFFERENT SOUND PROGRAMS, A PLURALITY OF SUBSCRIBER RECEIVER MEANS FOR RECEIVING THE TELEVISION PICTURE SIGNALS AND THE AUDIO FREQUENCY SIGNALS TRANSMITTED BY SAID TRANSMITTING MEANS AND A SIGNAL DISTRIBUTING NETWORK CONNECTING SAID TRANSMITTING MEANS WITH EACH OF SAID SUBSCRIBER RECEIVER MEANS FOR TRANSMITTING THE SIGNALS TRANSMITTED BY SAID TRANSMITTING MEANS TO EACH OF SAID SUBSCRIBER RECEIVER MEANS, SAID SIGNAL DISTRIBUTING NETWORK INCLUDING A SIGNAL TRANSMITTING CABLE COMPRISING A CENTRAL CORE ELEMENT HAVING A CIRCUMSCRIBING CYLINDER, SIX PAIRS OF INSULATED HIGH FREQUENCY CONDUCTORS EACH HAVING A CIRCUMSCRIBING CYLINDER HAVING A DIAMETER EQUAL TO THAT OF SAID CENTRAL CORE ELEMENT, SAID PAIRS OF HIGH FREQUENCY CONDUCTORS BEING POSITIONED AROUND SAID CENTRAL CORE IN A MANNER WHEREBY THE CIRCUMSCRIBING CYLINDER OF EACH OF SAID PAIRS OF HIGH FREQUENCY CONDUCTORS CONTACTS THE CIRCUMSCRIBING CYLINDER OF EACH ADJACENT PAIR OF HIGH FREQUENCY CONDUCTORS AND THE CIRCUMSCRIBING CYLINDER OF SAID CENTRAL CORE ELEMENT, EACH OF SAID PAIRS OF HIGH FREQUENCY CONDUCTORS COMPRISING A PAIR OF CONDUCTORS TWISTED TOGETHER AT A PITCH DIFFERENT FROM THAT OF THE OTHERS, THE CONDUCTORS OF EACH PAIR OF HIGH FREQUENCY CONDUCTORS FORMING A PAIR OF INTERSTICES THEREBETWEEN, AND AT LEAST THREE PAIRS OF INSULATED AUDIO FREQUENCY CONDUCTORS, EACH OF SAID PAIRS OF AUDIO FREQUENCY CONDUCTORS BEING ASSOCIATED WITH A CORRESPONDING ONE OF SAID PAIRS OF HIGH FREQUENCY CONDUCTORS, EACH OF SAID PAIRS OF AUDIO FREQUENCY CONDUCTORS COMPRISING A PAIR OF CONDUCTORS EACH POSITIONED IN A CORRESPONDING ONE OF THE PAIR OF INTERSTICES OF THE PAIR OF HIGH FREQUENCY CONDUCTORS WITH WHICH SAID PAIR OF CONDUCTORS IS ASSOCIATED, EACH CONDUCTOR OF EACH OF SAID PAIRS OF AUDIO FREQUENCY CONDUCTORS HAVING A DIAMETER WHICH IS TWO THIRDS THE DIAMETER OF EACH CONDUCTOR OF EACH OF SAID PAIRS OF HIGH FREQUENCY CONDUCTORS WHEREBY EACH OF THE INTERSTICES OF SAID PAIRS OF HIGH FREQUENCY CONDUCTORS ASSOCIATED WITH SAID PAIRS OF AUDIO FREQUENCY CONDUCTORS IS COMPLETELY FILLED BY THE AUDIO FREQUENCY CONDUCTOR POSITIONED THEREIN.
Claim 2
Dependent Claim 348 words
A WIRED BROADCASTING SYSTEM COMPRISING TRANSMITTING MEANS FOR TRANSMITTING A PLURALITY OF HIGH FREQUENCY SIGNALS CORRESPONDING TO DIFFERENT TELEVISION PICTURE PROGRAMS AND A PLURALITY OF AUDIO FREQUENCY SIGNALS CORRESPONDING TO DIFFERENT SOUND PROGRAMS, A PLURALITY OF SUBSCRIBER RECEIVER MEANS FOR RECEIVING THE TELEVISION PICTURE SIGNALS AND THE AUDIO FREQUENCY SIGNALS TRANSMITTED BY SAID TRANSMITTING MEANS AND A SIGNAL DISTRIBUTING NETWORK CONNECTING SAID TRANSMITTING MEANS WITH EACH OF SAID SUBSCRIBER RECEIVER MEANS FOR TRANSMITTING THE SIGNALS TRANSMITTED BY SAID TRANSMITTING MEANS TO EACH OF SAID SUBSCRIBER RECEIVER MEANS, SAID SIGNAL DISTRIBUTING NETWORK INCLUDING A SIGNAL TRANSMITTING CABLE COMPRISING A CENTRAL CORE ELEMENT HAVING A CIRCUMSCRIBING CYLINDER, SIX PAIRS OF INSULATED HIGH FREQUENCY CONDUCTORS EACH HAVING A CIRCUMSCRIBING CYLINDER HAVING A DIAMETER EQUAL TO THAT OF SAID CENTRAL CORE ELEMENT, SAID PAIRS OF HIGH FREQUENCY CONDUCTORS BEING POSITIONED AROUND SAID CENTRAL CORE IN A MANNER WHEREBY THE CIRCUMSCRIBING CYLINDER OF EACH OF SAID PAIRS OF HIGH FREQUENCY CONDUCTORS CONTACTS THE CIRCUMSCRIBING CYLINDER OF EACH ADJACENT PAIR OF HIGH FREQUENCY CONDUCTORS AND THE CIRCUMSCRIBING CYLINDER OF SAID CENTRAL CORE ELEMENT, EACH OF SAID PAIRS OF HIGH FREQUENCY CONDUCTORS COMPRISING A PAIR OF CONDUCTORS TWISTED TOGETHER AT A PITCH DIFFERENT FROM THAT OF THE OTHERS, THE CONDUCTORS OF EACH PAIR OF HIGH FREQUENCY CONDUCTORS FORMING A PAIR OF INTERSTICES THEREBETWEEN, AND AT LEAST THREE PAIRS OF INSULATED AUDIO FREQUENCY CONDUCTORS, EACH OF SAID PAIRS OF AUDIO FREQUENCY CONDUCTORS BEING ASSOCIATED WITH A CORRESPONDING ONE OF SAID PAIRS OF HIGH FREQUENCY CONDUCTORS, EACH OF SAID PAIRS OF AUDIO FREQUENCY CONDUCTORS COMPRISING A PAIR OF CONDUCTORS EACH POSITIONED IN A CORRESPONDING ONE OF THE PAIR OF INTERSTICES OF THE PAIR OF HIGH FREQUENCY CONDUCTORS WITH WHICH SAID PAIR OF CONDUCTORS IS ASSOCIATED, EACH CONDUCTOR OF EACH OF SAID PAIRS OF AUDIO FREQUENCY CONDUCTORS HAVING A DIAMETER WHICH IS TWO THIRDS THE DIAMETER OF EACH CONDUCTOR OF EACH OF SAID PAIRS OF HIGH FREQUENCY CONDUCTORS WHEREBY EACH OF THE INTERSTICES OF SAID PAIRS OF HIGH FREQUENCY CONDUCTORS ASSOCIATED WITH SAID PAIRS OF AUDIO FREQUENCY CONDUCTORS IS COMPLETELY FILLED BY THE AUDIO FREQUENCY CONDUCTOR POSITIONED THEREIN.

References Cited (Backward Citations)

US1856204A Cited
US1978419A Cited
US2180731A Cited
US2245492A Cited
US2243851A Cited
US2996580A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-30 1971-05-01 1971-10-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-30 1975-05-01 1975-10-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-30 1979-05-01 1979-10-31 $7700.00 Window Closed / Lapsed

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