DK73086C - Lydoptagelsesanlæg af tæthedsvariationstypen. - Google Patents

Lydoptagelsesanlæg af tæthedsvariationstypen.

Info

Publication number
DK73086C
DK73086C DK218847A DK218847A DK73086C DK 73086 C DK73086 C DK 73086C DK 218847 A DK218847 A DK 218847A DK 218847 A DK218847 A DK 218847A DK 73086 C DK73086 C DK 73086C
Authority
DK
Denmark
Prior art keywords
recording system
variation type
sound recording
density variation
density
Prior art date
Application number
DK218847A
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 DK73086C publication Critical patent/DK73086C/da

Links

DK218847A 1946-05-07 1947-06-07 Lydoptagelsesanlæg af tæthedsvariationstypen. DK73086C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73086XA 1946-05-07 1946-05-07

Publications (1)

Publication Number Publication Date
DK73086C true DK73086C (da) 1951-09-17

Family

ID=21725410

Family Applications (1)

Application Number Title Priority Date Filing Date
DK218847A DK73086C (da) 1946-05-07 1947-06-07 Lydoptagelsesanlæg af tæthedsvariationstypen.

Country Status (1)

Country Link
DK (1) DK73086C (da)

Similar Documents

Publication Publication Date Title
NL171847B (nl) Geluidsopneem- en weergeefapparaat.
CH261509A (de) Einrichtung an Ton-Aufzeichnungsgeräten.
FR942640A (fr) Enregistrements phonographiques
DK73086C (da) Lydoptagelsesanlæg af tæthedsvariationstypen.
CH264353A (de) Grammophon.
CH261156A (de) Elektroakustischer Wandler.
FR942641A (fr) Disque phonographique
CH265060A (fr) Transducteur.
CH241233A (de) Tonaufzeichnungseinrichtung.
FR952520A (fr) Enregistrement phonographique
DK75218C (da) Grammofonplade.
FR926867A (fr) Disque de phonographe
CH260107A (de) Spieluhrwerk.
FR969073A (fr) Disque de phonographe
ES15362Y (es) Juguete-trompo sonoro.
ES15059Y (es) Juguete sonoro.
CA434904A (en) Variable density sound recording system
CA434762A (en) Photographic sound recording
DK68911C (da) Grammofonpladeholder.
CH253374A (it) Cassetta.
ES12421Y (es) Libro-juguete musical.
ES15836Y (es) Nuevo juguete sonoro.
ES15593Y (es) Juguete musical.
NL140631B (nl) Elektrofotografisch registreermateriaal.
ES12488Y (es) Muñeco parlante radiofónico.