FR539693A - Phonogramme sans fin et mécanisme employé conjointement avec lui - Google Patents

Phonogramme sans fin et mécanisme employé conjointement avec lui

Info

Publication number
FR539693A
FR539693A FR539693DA FR539693A FR 539693 A FR539693 A FR 539693A FR 539693D A FR539693D A FR 539693DA FR 539693 A FR539693 A FR 539693A
Authority
FR
France
Prior art keywords
phonogram
endless
conjunction
mechanism used
endless phonogram
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
Lee De Forest
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 filed Critical
Application granted granted Critical
Publication of FR539693A publication Critical patent/FR539693A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/26—Mechanisms for advancing webs to or from the inside of web rolls
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/04—Magazines; Cassettes for webs or filaments
    • G11B23/06—Magazines; Cassettes for webs or filaments for housing endless webs or filaments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/13—Article holder attachable to apparel or body
    • Y10T24/1321—Pencil
    • Y10T24/1324—Clasp attached
    • Y10T24/1344—Wire pencil holder
FR539693D 1919-10-21 1921-08-25 Phonogramme sans fin et mécanisme employé conjointement avec lui Expired FR539693A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US332342A US1365237A (en) 1919-10-21 1919-10-21 Endless-film arrangement

Publications (1)

Publication Number Publication Date
FR539693A true FR539693A (fr) 1922-06-29

Family

ID=23297796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR539693D Expired FR539693A (fr) 1919-10-21 1921-08-25 Phonogramme sans fin et mécanisme employé conjointement avec lui

Country Status (2)

Country Link
US (1) US1365237A (fr)
FR (1) FR539693A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551198A (en) * 1947-03-22 1951-05-01 Edward L Barrett Record mechanism
US2496047A (en) * 1947-06-18 1950-01-31 Rca Corp Art of recording and reproducing two-sided magnetic records
US2647750A (en) * 1947-11-22 1953-08-04 Armour Res Found Twisted loop magnetic recorder
DE4302088C2 (de) * 1993-01-21 1997-04-10 Michael Dr Ing Graefe Horizontaler Spiralbandspeicher für Metallband

Also Published As

Publication number Publication date
US1365237A (en) 1921-01-11

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