DK22284C - Sound funnel for Microphones. - Google Patents

Sound funnel for Microphones.

Info

Publication number
DK22284C
DK22284C DK22284DA DK22284C DK 22284 C DK22284 C DK 22284C DK 22284D A DK22284D A DK 22284DA DK 22284 C DK22284 C DK 22284C
Authority
DK
Denmark
Prior art keywords
microphones
sound funnel
funnel
sound
Prior art date
Application number
Other languages
Danish (da)
Inventor
Olaus Thokle
Original Assignee
Olaus Thokle
Publication date
Application granted granted Critical
Publication of DK22284C publication Critical patent/DK22284C/en

Links

DK22284D Sound funnel for Microphones. DK22284C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK22284T

Publications (1)

Publication Number Publication Date
DK22284C true DK22284C (en) 1917-07-23

Family

ID=27837117

Family Applications (1)

Application Number Title Priority Date Filing Date
DK22284D DK22284C (en) Sound funnel for Microphones.

Country Status (1)

Country Link
DK (1) DK22284C (en)

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