NL79209C - - Google Patents

Info

Publication number: NL79209C
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.)

1946-03-09

Publication of NL79209C publication Critical patent/NL79209C/xx

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)

NL79209D 1946-03-09 NL79209C (enrdf_load_html_response)

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 (enrdf_load_html_response)

Family

ID=24620096

Family Applications (1)

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

Country Status (4)

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

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

0
- NL NL79209D patent/NL79209C/xx active
1946
- 1946-03-09 US US653254A patent/US2481915A/en not_active Expired - Lifetime
1947
- 1947-03-04 FR FR942635D patent/FR942635A/fr not_active Expired
- 1947-03-05 GB GB6242/47A patent/GB627766A/en not_active Expired

Also Published As

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

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