AT74834B - Circuit arrangement for telephone systems with amplifying devices for the voice streams. - Google Patents

Circuit arrangement for telephone systems with amplifying devices for the voice streams.

Info

Publication number: AT74834B
Authority: AT; Austria
Prior art keywords: circuit arrangement; telephone systems; amplifying devices; voice streams; streams
Prior art date: 1915-05-10

Application number

Other languages

Original Assignee

Siemens 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.)

1915-05-10

Filing date

1916-05-09

Publication date

1918-10-25

1916-05-09 Application filed by Siemens Ag filed Critical Siemens Ag

1918-10-25 Application granted granted Critical

1918-10-25 Publication of AT74834B publication Critical patent/AT74834B/en

Landscapes

Amplifiers (AREA)

Description

  

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AT74834D 1915-05-10 1916-05-09 Circuit arrangement for telephone systems with amplifying devices for the voice streams. AT74834B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE74834X		1915-05-10

Publications (1)

Publication Number	Publication Date
AT74834B true AT74834B (en)	1918-10-25

Family

ID=5636908

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT74834D AT74834B (en)	1915-05-10	1916-05-09	Circuit arrangement for telephone systems with amplifying devices for the voice streams.

Country Status (1)

Country	Link
AT (1)	AT74834B (en)

1916
- 1916-05-09 AT AT74834D patent/AT74834B/en active

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