CH247033A - Graveur pour enregistrement sur disques. - Google Patents

Graveur pour enregistrement sur disques.

Info

Publication number: CH247033A
Authority: CH; Switzerland
Prior art keywords: burner; discs; recording
Prior art date: 1944-12-14

Application number

Other languages

English (en)

Inventor

Chanal Lucien

Original Assignee

Chanal Lucien

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.)

1944-12-14

Filing date

1944-12-14

Publication date

1947-02-15

1944-12-14 Application filed by Chanal Lucien filed Critical Chanal Lucien

1947-02-15 Publication of CH247033A publication Critical patent/CH247033A/fr

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)

CH247033D 1944-12-14 1944-12-14 Graveur pour enregistrement sur disques. CH247033A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH913526X		1944-12-14

Publications (1)

Publication Number	Publication Date
CH247033A true CH247033A (fr)	1947-02-15

Family

ID=4547635

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH247033D CH247033A (fr)	1944-12-14	1944-12-14	Graveur pour enregistrement sur disques.

Country Status (2)

Country	Link
CH (1)	CH247033A (fr)
FR (1)	FR913526A (fr)

1944
- 1944-12-14 CH CH247033D patent/CH247033A/fr unknown
1945
- 1945-08-22 FR FR913526D patent/FR913526A/fr not_active Expired

Also Published As

Publication number	Publication date
FR913526A (fr)	1946-09-12

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