CH37679A - Mikrotelephon ohne Schalltrichter am Mikrophon - Google Patents

Mikrotelephon ohne Schalltrichter am Mikrophon

Info

Publication number
CH37679A
CH37679A CH37679A CH37679DA CH37679A CH 37679 A CH37679 A CH 37679A CH 37679 A CH37679 A CH 37679A CH 37679D A CH37679D A CH 37679DA CH 37679 A CH37679 A CH 37679A
Authority
CH
Switzerland
Prior art keywords
microphone
horn
Prior art date
Application number
CH37679A
Other languages
English (en)
Inventor
Aktiebolaget L M Ericsson Co
Original Assignee
L M Ericsson & Co Ab
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 L M Ericsson & Co Ab filed Critical L M Ericsson & Co Ab
Publication of CH37679A publication Critical patent/CH37679A/de

Links

CH37679A 1906-08-18 1906-08-18 Mikrotelephon ohne Schalltrichter am Mikrophon CH37679A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH37679T 1906-08-18

Publications (1)

Publication Number Publication Date
CH37679A true CH37679A (de) 1907-07-15

Family

ID=4263054

Family Applications (1)

Application Number Title Priority Date Filing Date
CH37679A CH37679A (de) 1906-08-18 1906-08-18 Mikrotelephon ohne Schalltrichter am Mikrophon

Country Status (1)

Country Link
CH (1) CH37679A (de)

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