FR685881A - Device for recording and reproducing acoustic signs by electromagnetic means - Google Patents

Device for recording and reproducing acoustic signs by electromagnetic means

Info

Publication number
FR685881A
FR685881A FR685881DA FR685881A FR 685881 A FR685881 A FR 685881A FR 685881D A FR685881D A FR 685881DA FR 685881 A FR685881 A FR 685881A
Authority
FR
France
Prior art keywords
recording
electromagnetic means
reproducing acoustic
acoustic signs
signs
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.)
TELEGRAPHIE PATENT SYNDIKAT
Original Assignee
TELEGRAPHIE PATENT SYNDIKAT
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 TELEGRAPHIE PATENT SYNDIKAT filed Critical TELEGRAPHIE PATENT SYNDIKAT
Application granted granted Critical
Publication of FR685881A publication Critical patent/FR685881A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/36—Scanning of motion picture films, e.g. for telecine

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR685881D 1929-12-02 1929-12-02 Device for recording and reproducing acoustic signs by electromagnetic means Expired FR685881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR685881T 1929-12-02

Publications (1)

Publication Number Publication Date
FR685881A true FR685881A (en) 1930-07-18

Family

ID=9025232

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685881D Expired FR685881A (en) 1929-12-02 1929-12-02 Device for recording and reproducing acoustic signs by electromagnetic means

Country Status (1)

Country Link
FR (1) FR685881A (en)

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