CH72565A - Mikrotelephon - Google Patents

Mikrotelephon

Info

Publication number
CH72565A
CH72565A CH72565A CH72565DA CH72565A CH 72565 A CH72565 A CH 72565A CH 72565 A CH72565 A CH 72565A CH 72565D A CH72565D A CH 72565DA CH 72565 A CH72565 A CH 72565A
Authority
CH
Switzerland
Prior art keywords
microphone
Prior art date
Application number
CH72565A
Other languages
English (en)
Inventor
Aktien-Gesellschaft Sie Halske
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.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of CH72565A publication Critical patent/CH72565A/de

Links

CH72565A 1915-09-28 1915-09-28 Mikrotelephon CH72565A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH72565T 1915-09-28

Publications (1)

Publication Number Publication Date
CH72565A true CH72565A (de) 1916-10-16

Family

ID=4322283

Family Applications (1)

Application Number Title Priority Date Filing Date
CH72565A CH72565A (de) 1915-09-28 1915-09-28 Mikrotelephon

Country Status (1)

Country Link
CH (1) CH72565A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955872C (de) * 1954-01-08 1957-01-10 Franz Baumgartner Fabrik Elek Mikrotelefon fuer Fernsprechapparate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955872C (de) * 1954-01-08 1957-01-10 Franz Baumgartner Fabrik Elek Mikrotelefon fuer Fernsprechapparate

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