FR1329561A - Perfectionnements apportés aux bras de pick-up - Google Patents

Perfectionnements apportés aux bras de pick-up

Info

Publication number
FR1329561A
FR1329561A FR734435A FR734435A FR1329561A FR 1329561 A FR1329561 A FR 1329561A FR 734435 A FR734435 A FR 734435A FR 734435 A FR734435 A FR 734435A FR 1329561 A FR1329561 A FR 1329561A
Authority
FR
France
Prior art keywords
pick
arms
improvements made
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
FR734435A
Other languages
English (en)
Inventor
Marcel Herve
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
Priority to FR734435A priority Critical patent/FR1329561A/fr
Priority to US722026A priority patent/US2966360A/en
Priority to DEH32736A priority patent/DE1136844B/de
Application granted granted Critical
Publication of FR1329561A publication Critical patent/FR1329561A/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/34—Driving or guiding during transducing operation
    • G11B3/38—Guiding, e.g. constructions or arrangements providing linear or other special tracking characteristics
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • G11B19/265—Friction wheel drive
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Moving Of Heads (AREA)
FR734435A 1957-03-20 1957-03-20 Perfectionnements apportés aux bras de pick-up Expired FR1329561A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR734435A FR1329561A (fr) 1957-03-20 1957-03-20 Perfectionnements apportés aux bras de pick-up
US722026A US2966360A (en) 1957-03-20 1958-03-17 Pick-up devices
DEH32736A DE1136844B (de) 1957-03-20 1958-03-19 Tonarmfuehrung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR734435A FR1329561A (fr) 1957-03-20 1957-03-20 Perfectionnements apportés aux bras de pick-up

Publications (1)

Publication Number Publication Date
FR1329561A true FR1329561A (fr) 1963-06-14

Family

ID=8704238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR734435A Expired FR1329561A (fr) 1957-03-20 1957-03-20 Perfectionnements apportés aux bras de pick-up

Country Status (3)

Country Link
US (1) US2966360A (fr)
DE (1) DE1136844B (fr)
FR (1) FR1329561A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3156472A (en) * 1963-02-27 1964-11-10 Joe F Brock Magnetic tone arm suspension
US3313546A (en) * 1963-05-30 1967-04-11 Yoshikawa Kinji Supporting device for a phonograph pickup
US4344168A (en) * 1979-07-16 1982-08-10 Enston Richard G Equipment for playing gramophone records and method of operation thereof
US4722080A (en) * 1984-12-06 1988-01-26 Dieckmann Ralf E Transducer arm assembly for disk play-back machines
DE202013102003U1 (de) * 2013-05-08 2014-05-12 Daniel Schuch Drehtonarm für Plattenspieler, Plattenspieler mit Drehtonarm und Übertragungseinheit für Drehtonarm

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE558504C (de) * 1930-05-10 1932-09-08 Ideal Werke Akt Ges Fuer Draht Schalldosenarm, Tragearm fuer elektrische Tonabnehmer an Plattensprechmaschinen o. dgl.
US2219290A (en) * 1934-10-09 1940-10-29 Auto Research Corp Lubrication
US2603490A (en) * 1945-04-11 1952-07-15 Donald J Baker Mounting arm for sound translating device
US2455529A (en) * 1946-03-15 1948-12-07 Polytron Corp Phonographic device
US2585396A (en) * 1947-01-22 1952-02-12 Martin Jose Soler Gramophone tone arm moving device
US2516565A (en) * 1948-03-30 1950-07-25 Gen Electric Phonograph reproducing arm
US2676808A (en) * 1948-12-31 1954-04-27 Rca Corp Sliding carriage pickup assembly
GB689826A (en) * 1950-07-05 1953-04-08 Pollopas Patents Ltd Driving arrangement for sound records

Also Published As

Publication number Publication date
US2966360A (en) 1960-12-27
DE1136844B (de) 1962-09-20

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