DK32869C - Fotografisk Lydregistrering. - Google Patents

Fotografisk Lydregistrering.

Info

Publication number
DK32869C
DK32869C DK32869DA DK32869C DK 32869 C DK32869 C DK 32869C DK 32869D A DK32869D A DK 32869DA DK 32869 C DK32869 C DK 32869C
Authority
DK
Denmark
Prior art keywords
sound recording
photographic sound
photographic
recording
sound
Prior art date
Application number
Other languages
English (en)
Inventor
Lee De Forest
Original Assignee
Lee De Forest
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 Lee De Forest filed Critical Lee De Forest
Application granted granted Critical
Publication of DK32869C publication Critical patent/DK32869C/da

Links

DK32869D 1921-08-12 1921-08-12 Fotografisk Lydregistrering. DK32869C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK32869T 1921-08-12

Publications (1)

Publication Number Publication Date
DK32869C true DK32869C (da) 1924-02-18

Family

ID=8121214

Family Applications (1)

Application Number Title Priority Date Filing Date
DK32869D DK32869C (da) 1921-08-12 1921-08-12 Fotografisk Lydregistrering.

Country Status (1)

Country Link
DK (1) DK32869C (da)

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