FR841908A - Switching device intended for amplification installations, in particular intermediate and extreme amplifiers, in wire message transmission installations - Google Patents

Switching device intended for amplification installations, in particular intermediate and extreme amplifiers, in wire message transmission installations

Info

Publication number
FR841908A
FR841908A FR841908DA FR841908A FR 841908 A FR841908 A FR 841908A FR 841908D A FR841908D A FR 841908DA FR 841908 A FR841908 A FR 841908A
Authority
FR
France
Prior art keywords
installations
amplifiers
amplification
extreme
switching device
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR841908A publication Critical patent/FR841908A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
FR841908D 1937-08-12 1938-08-08 Switching device intended for amplification installations, in particular intermediate and extreme amplifiers, in wire message transmission installations Expired FR841908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2260272X 1937-08-12

Publications (1)

Publication Number Publication Date
FR841908A true FR841908A (en) 1939-06-01

Family

ID=7992798

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841908D Expired FR841908A (en) 1937-08-12 1938-08-08 Switching device intended for amplification installations, in particular intermediate and extreme amplifiers, in wire message transmission installations

Country Status (2)

Country Link
US (1) US2260272A (en)
FR (1) FR841908A (en)

Also Published As

Publication number Publication date
US2260272A (en) 1941-10-21

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