FR1074056A - Improvements made to sound reproduction systems - Google Patents

Improvements made to sound reproduction systems

Info

Publication number
FR1074056A
FR1074056A FR1074056DA FR1074056A FR 1074056 A FR1074056 A FR 1074056A FR 1074056D A FR1074056D A FR 1074056DA FR 1074056 A FR1074056 A FR 1074056A
Authority
FR
France
Prior art keywords
improvements made
sound reproduction
reproduction systems
systems
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.)
Birmingham Sound Reproducers Ltd
Original Assignee
Birmingham Sound Reproducers Ltd
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 Birmingham Sound Reproducers Ltd filed Critical Birmingham Sound Reproducers Ltd
Application granted granted Critical
Publication of FR1074056A publication Critical patent/FR1074056A/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
    • 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
    • G11B3/12—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
    • G11B3/121—By using mechanical means not provided for in G11B3/14, G11B3/20, e.g. using cams
    • G11B3/122—Providing horizontal force, e.g. anti-skating
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/08—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records
    • G11B17/12—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis
    • G11B17/16—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in stationary centre post, e.g. with stepped post, using fingers on post
    • G11B17/162—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in stationary centre post, e.g. with stepped post, using fingers on post with means for detecting the diameter of the record
    • G11B17/165—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in stationary centre post, e.g. with stepped post, using fingers on post with means for detecting the diameter of the record with mechanical detecting means
FR1074056D 1952-01-28 1953-01-28 Improvements made to sound reproduction systems Expired FR1074056A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB233852A GB719643A (en) 1952-01-28 1952-01-28 Improvements in and relating to sound reproducing apparatus

Publications (1)

Publication Number Publication Date
FR1074056A true FR1074056A (en) 1954-10-01

Family

ID=9737783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1074056D Expired FR1074056A (en) 1952-01-28 1953-01-28 Improvements made to sound reproduction systems

Country Status (3)

Country Link
DE (1) DE1037164B (en)
FR (1) FR1074056A (en)
GB (1) GB719643A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB823749A (en) * 1957-05-15 1959-11-18 Birmingham Sound Reproducers Improvements in and relating to sound reproducing apparatus

Also Published As

Publication number Publication date
GB719643A (en) 1954-12-08
DE1037164B (en) 1958-08-21

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