FR840530A - Method for obtaining sound recordings - Google Patents

Method for obtaining sound recordings

Info

Publication number
FR840530A
FR840530A FR840530DA FR840530A FR 840530 A FR840530 A FR 840530A FR 840530D A FR840530D A FR 840530DA FR 840530 A FR840530 A FR 840530A
Authority
FR
France
Prior art keywords
sound recordings
obtaining sound
obtaining
recordings
sound
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR840530A publication Critical patent/FR840530A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
FR840530D 1937-07-09 1938-07-09 Method for obtaining sound recordings Expired FR840530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE840530X 1937-07-09

Publications (1)

Publication Number Publication Date
FR840530A true FR840530A (en) 1939-04-27

Family

ID=6763850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840530D Expired FR840530A (en) 1937-07-09 1938-07-09 Method for obtaining sound recordings

Country Status (1)

Country Link
FR (1) FR840530A (en)

Similar Documents

Publication Publication Date Title
FR861685A (en) Method for obtaining diazotype
FR841410A (en) Process for obtaining acetylene
FR840530A (en) Method for obtaining sound recordings
FR802420A (en) Method for obtaining acoustic recordings
FR869512A (en) Method for making sound recordings
FR815329A (en) Camera for sound recording
FR811180A (en) Process for obtaining hormones
FR824945A (en) Push-pull process for the reproduction of sound recordings
FR825116A (en) Process for obtaining sound cinematographic films
FR833439A (en) Process for the production of photographic sound recordings
FR848161A (en) Process for the production of sound recordings
FR878125A (en) Process for the constitution of sound recordings
FR840962A (en) Lubricant and process for obtaining it
FR804805A (en) Method and machine for carrying sound recordings
FR751470A (en) Sound recording process
FR858443A (en) Process for obtaining metallic glucinium
FR831083A (en) Process for obtaining metallic barium
FR734376A (en) Phonographic recording process
FR746907A (en) Needle for the production of sound recordings
FR790210A (en) Process for photographic sound recording
FR875493A (en) Process for the manufacture of sound recording tracing chisels
FR804855A (en) Process for sound reproduction
FR844524A (en) Production of sound recordings
FR822482A (en) Process for the photographic sound reproduction of mechanically recorded sound tracks
FR847656A (en) Process for taking sound films