FR677847A - Improvements to amplifying devices - Google Patents

Improvements to amplifying devices

Info

Publication number
FR677847A
FR677847A FR677847DA FR677847A FR 677847 A FR677847 A FR 677847A FR 677847D A FR677847D A FR 677847DA FR 677847 A FR677847 A FR 677847A
Authority
FR
France
Prior art keywords
amplifying devices
amplifying
devices
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
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.)
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.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR677847A publication Critical patent/FR677847A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1607—Supply circuits
    • H04B1/1623—Supply circuits using tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
FR677847D 1928-07-06 1929-07-04 Improvements to amplifying devices Expired FR677847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US290803A US1887541A (en) 1928-07-06 1928-07-06 Electrical signal amplifying apparatus

Publications (1)

Publication Number Publication Date
FR677847A true FR677847A (en) 1930-03-14

Family

ID=23117633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677847D Expired FR677847A (en) 1928-07-06 1929-07-04 Improvements to amplifying devices

Country Status (2)

Country Link
US (1) US1887541A (en)
FR (1) FR677847A (en)

Also Published As

Publication number Publication date
US1887541A (en) 1932-11-15

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