FR715569A - Improvements to electrical transmission systems - Google Patents

Improvements to electrical transmission systems

Info

Publication number
FR715569A
FR715569A FR715569DA FR715569A FR 715569 A FR715569 A FR 715569A FR 715569D A FR715569D A FR 715569DA FR 715569 A FR715569 A FR 715569A
Authority
FR
France
Prior art keywords
transmission systems
electrical transmission
electrical
systems
transmission
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR715569A publication Critical patent/FR715569A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal
FR715569D 1930-04-19 1931-04-17 Improvements to electrical transmission systems Expired FR715569A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US445543A US1853974A (en) 1930-04-19 1930-04-19 Transmission system

Publications (1)

Publication Number Publication Date
FR715569A true FR715569A (en) 1931-12-05

Family

ID=23769324

Family Applications (1)

Application Number Title Priority Date Filing Date
FR715569D Expired FR715569A (en) 1930-04-19 1931-04-17 Improvements to electrical transmission systems

Country Status (4)

Country Link
US (1) US1853974A (en)
DE (1) DE565904C (en)
FR (1) FR715569A (en)
GB (1) GB367616A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE882420C (en) * 1938-04-12 1953-07-09 Siemens Ag Circuit arrangement for feedback locks in loudspeaker systems
US2164344A (en) * 1938-04-28 1939-07-04 Bell Telephone Labor Inc Signal transmission system

Also Published As

Publication number Publication date
GB367616A (en) 1932-02-25
US1853974A (en) 1932-04-12
DE565904C (en) 1932-12-07

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