FR936703A - Perfectionnements aux procédés et moyens d'enregistrement des communications - Google Patents

Perfectionnements aux procédés et moyens d'enregistrement des communications

Info

Publication number
FR936703A
FR936703A FR936703DA FR936703A FR 936703 A FR936703 A FR 936703A FR 936703D A FR936703D A FR 936703DA FR 936703 A FR936703 A FR 936703A
Authority
FR
France
Prior art keywords
methods
recording communications
communications
recording
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
English (en)
Inventor
Gerard Jules Lehmann
Norman Hugh Young
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR936703A publication Critical patent/FR936703A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
    • G11B7/0031—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent using a rotating head, e.g. helicoidal recording
FR936703D 1945-04-17 1946-04-05 Perfectionnements aux procédés et moyens d'enregistrement des communications Expired FR936703A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US936703XA 1945-04-17 1945-04-17

Publications (1)

Publication Number Publication Date
FR936703A true FR936703A (fr) 1948-07-28

Family

ID=22240128

Family Applications (1)

Application Number Title Priority Date Filing Date
FR936703D Expired FR936703A (fr) 1945-04-17 1946-04-05 Perfectionnements aux procédés et moyens d'enregistrement des communications

Country Status (1)

Country Link
FR (1) FR936703A (fr)

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