FR942635A - Système de communication par ondes porteuses - Google Patents

Système de communication par ondes porteuses

Info

Publication number
FR942635A
FR942635A FR942635DA FR942635A FR 942635 A FR942635 A FR 942635A FR 942635D A FR942635D A FR 942635DA FR 942635 A FR942635 A FR 942635A
Authority
FR
France
Prior art keywords
communication system
carrier wave
wave communication
carrier
wave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR942635A publication Critical patent/FR942635A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/16—Adjustable resistors including plural resistive elements
    • H01C10/20—Contact structure or movable resistive elements being ganged
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5437—Wired telephone

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
FR942635D 1946-03-09 1947-03-04 Système de communication par ondes porteuses Expired FR942635A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US653254A US2481915A (en) 1946-03-09 1946-03-09 Power line carrier wave communication system

Publications (1)

Publication Number Publication Date
FR942635A true FR942635A (fr) 1949-02-14

Family

ID=24620096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942635D Expired FR942635A (fr) 1946-03-09 1947-03-04 Système de communication par ondes porteuses

Country Status (4)

Country Link
US (1) US2481915A (en, 2012)
FR (1) FR942635A (en, 2012)
GB (1) GB627766A (en, 2012)
NL (1) NL79209C (en, 2012)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626319A (en) * 1949-01-14 1953-01-20 Westinghouse Electric Corp Multistation duplex system
US2744958A (en) * 1951-07-30 1956-05-08 Ellsworth A Hosmer Carrier telephone system
US3964048A (en) * 1974-01-28 1976-06-15 General Public Utilities Corporation Communicating over power network within a building or other user location
US3962547A (en) * 1975-05-27 1976-06-08 Westinghouse Electric Corporation Repeater coupler for power line communication systems
US5090052A (en) * 1989-05-18 1992-02-18 Tandy Corporation Telephone system with multiple extension telephones

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1705891A (en) * 1927-02-28 1929-03-19 Bell Telephone Labor Inc Power line signaling
US1773613A (en) * 1927-05-19 1930-08-19 Gen Electric High-frequency communication system
US2292222A (en) * 1939-12-28 1942-08-04 Elmer G Van Name Two-way radio communication system
US2289048A (en) * 1941-06-19 1942-07-07 Bell Telephone Labor Inc Power line carrier frequency telephone system
US2430471A (en) * 1946-05-31 1947-11-11 Bell Telephone Labor Inc Carrier current signaling system

Also Published As

Publication number Publication date
GB627766A (en) 1949-08-16
US2481915A (en) 1949-09-13
NL79209C (en, 2012)

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