DK72171C - Lysventil til brug i apparater til optagelse af lydfilm. - Google Patents

Lysventil til brug i apparater til optagelse af lydfilm.

Info

Publication number
DK72171C
DK72171C DK155947A DK155947A DK72171C DK 72171 C DK72171 C DK 72171C DK 155947 A DK155947 A DK 155947A DK 155947 A DK155947 A DK 155947A DK 72171 C DK72171 C DK 72171C
Authority
DK
Denmark
Prior art keywords
light valve
sound film
film recorders
recorders
sound
Prior art date
Application number
DK155947A
Other languages
English (en)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of DK72171C publication Critical patent/DK72171C/da

Links

DK155947A 1940-02-14 1947-04-21 Lysventil til brug i apparater til optagelse af lydfilm. DK72171C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72171XA 1940-02-14 1940-02-14

Publications (1)

Publication Number Publication Date
DK72171C true DK72171C (da) 1951-02-19

Family

ID=21724884

Family Applications (1)

Application Number Title Priority Date Filing Date
DK155947A DK72171C (da) 1940-02-14 1947-04-21 Lysventil til brug i apparater til optagelse af lydfilm.

Country Status (1)

Country Link
DK (1) DK72171C (da)

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