DK20904C - Method and Apparatus for Transmitting Sound Waves. - Google Patents

Method and Apparatus for Transmitting Sound Waves.

Info

Publication number
DK20904C
DK20904C DK20904DA DK20904C DK 20904 C DK20904 C DK 20904C DK 20904D A DK20904D A DK 20904DA DK 20904 C DK20904 C DK 20904C
Authority
DK
Denmark
Prior art keywords
sound waves
transmitting sound
transmitting
waves
sound
Prior art date
Application number
Other languages
Danish (da)
Inventor
Eric Magnus Campbel Tigerstedt
Original Assignee
Eric Magnus Campbel Tigerstedt
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.)
Publication date
Application granted granted Critical
Publication of DK20904C publication Critical patent/DK20904C/en

Links

DK20904D 1914-03-30 Method and Apparatus for Transmitting Sound Waves. DK20904C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20904X 1914-03-30

Publications (1)

Publication Number Publication Date
DK20904C true DK20904C (en) 1916-01-17

Family

ID=27815152

Family Applications (1)

Application Number Title Priority Date Filing Date
DK20904D DK20904C (en) 1914-03-30 Method and Apparatus for Transmitting Sound Waves.

Country Status (1)

Country Link
DK (1) DK20904C (en)

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