BE345991A - - Google Patents

Info

Publication number
BE345991A
BE345991A BE345991DA BE345991A BE 345991 A BE345991 A BE 345991A BE 345991D A BE345991D A BE 345991DA BE 345991 A BE345991 A BE 345991A
Authority
BE
Belgium
Prior art keywords
recording
film
sound
opening
light
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE345991A publication Critical patent/BE345991A/fr

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
BE345991D BE345991A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE345991A true BE345991A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=21926

Family Applications (1)

Application Number Title Priority Date Filing Date
BE345991D BE345991A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE345991A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Similar Documents

Publication Publication Date Title
BE345991A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE392448A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US2036554A (en) Sound record and method of producing same
BE423894A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH204555A (fr) Procédé pour effectuer des enregistrements de sons.
BE422383A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE357588A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE356171A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE369842A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE361230A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE375271A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE343938A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE371364A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US1647353A (en) Photo-electric means for reproducing sound from graphical records
CH329797A (fr) Procédé d'enregistrement de pistes sonores circulaires et dispositif pour la mise en oeuvre de ce procédé
BE364512A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH122107A (fr) Procédé et appareil optique pour la reproduction des ondes acoustiques enregistrées photographiquement sur un film.
BE490849A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE471381A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US1946589A (en) Method and apparatus for recording and reproducing photographic sound records
BE399600A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE480257A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE363715A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE351727A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE346930A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)