FR678180A - Improvements to amplifiers - Google Patents

Improvements to amplifiers

Info

Publication number: FR678180A
Authority: FR; France
Prior art keywords: amplifiers
Prior art date: 1928-06-13
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

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.)

Compagnie Francaise Thomson Houston SA

Original Assignee

Compagnie Francaise Thomson Houston SA

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.)

1928-06-13

Filing date

1929-06-13

Publication date

1930-03-19

1929-06-13 Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA

1930-03-19 Application granted granted Critical

1930-03-19 Publication of FR678180A publication Critical patent/FR678180A/en

Status Expired legal-status Critical Current

Classifications

- 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
- H04B2203/5462—Systems for power line communications
- H04B2203/5466—Systems for power line communications using three phases conductors

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)

FR678180D 1928-06-13 1929-06-13 Improvements to amplifiers Expired FR678180A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US678180XA	1928-06-13	1928-06-13

Publications (1)

Publication Number	Publication Date
FR678180A true FR678180A (en)	1930-03-19

Family

ID=22078604

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR678180D Expired FR678180A (en)	1928-06-13	1929-06-13	Improvements to amplifiers

Country Status (1)

Country	Link
FR (1)	FR678180A (en)

1929
- 1929-06-13 FR FR678180D patent/FR678180A/en not_active Expired

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