NL79209C - - Google Patents

Info

Publication number
NL79209C
NL79209C NL79209DA NL79209C NL 79209 C NL79209 C NL 79209C NL 79209D A NL79209D A NL 79209DA NL 79209 C NL79209 C NL 79209C
Authority
NL
Netherlands
Application number
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.)
Publication of NL79209C publication Critical patent/NL79209C/xx

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)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
NL79209D 1946-03-09 NL79209C (xx)

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
NL79209C true NL79209C (xx)

Family

ID=24620096

Family Applications (1)

Application Number Title Priority Date Filing Date
NL79209D NL79209C (xx) 1946-03-09

Country Status (4)

Country Link
US (1) US2481915A (xx)
FR (1) FR942635A (xx)
GB (1) GB627766A (xx)
NL (1) NL79209C (xx)

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
US2481915A (en) 1949-09-13
GB627766A (en) 1949-08-16
FR942635A (fr) 1949-02-14

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