GB1265576A - - Google Patents

Info

Publication number
GB1265576A
GB1265576A GB1265576DA GB1265576A GB 1265576 A GB1265576 A GB 1265576A GB 1265576D A GB1265576D A GB 1265576DA GB 1265576 A GB1265576 A GB 1265576A
Authority
GB
United Kingdom
Prior art keywords
point
chassis
cord
pulley
head
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
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
Priority claimed from DE19681772463 external-priority patent/DE1772463C3/en
Application filed filed Critical
Publication of GB1265576A publication Critical patent/GB1265576A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02Arrangements of heads
    • G11B3/10Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/12Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
    • G11B3/28Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse providing transverse bias parallel to record

Landscapes

  • Toys (AREA)
  • Moving Of Heads (AREA)
  • Telescopes (AREA)

Abstract

1,265,576. Pick-up head. BRAUN A.G. 16 May, 1969 [18 May, 1968], No. 25084/69. Heading G5R. The playing weight of head 11 on pick-up arm 1 which is movable about vertical and horizontal pivot axes 3, 2 and fully counterbalanced by weight 12 is determined by an adjustably tensioned spring 7 secured at one end to pin 8 on the arm and having its other end connected via a cord 5 to a point 60 on the gramophone chassis. In a first arrangement, Fig. 1 (not shown), the cord extends over a pulley on the horizontal pivot axis to an adjustable point of attachment on the chassis in line with the vertical pivot axis. In the arrangement shown which can also provide an anti-skating force, the cord extends via a pulley 4 vertically pivoted in an elliptical slot 9 generally above the vertical axis 3 to an adjustable point 60 on the chassis. Adjustment of the positions of the pivot in the slot alters the anti-skating movement without altering the downward pressure on the playing head, whilst alteration of the position of point 60 by screw 6 alters both downward pressure and anti-skating movement in the same ratio. In the arrangement described with reference to Fig. 3, not shown, the point of attachment of the cord to the chassis is fixed but the pulley is vertically movable on its pivot.
GB1265576D 1968-05-18 1969-05-16 Expired GB1265576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681772463 DE1772463C3 (en) 1968-05-18 Device for generating an adjustable force acting on a pickup

Publications (1)

Publication Number Publication Date
GB1265576A true GB1265576A (en) 1972-03-01

Family

ID=5701266

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1265576D Expired GB1265576A (en) 1968-05-18 1969-05-16

Country Status (3)

Country Link
CH (1) CH500552A (en)
GB (1) GB1265576A (en)
NL (1) NL6907546A (en)

Also Published As

Publication number Publication date
DE1772463A1 (en) 1971-04-08
NL6907546A (en) 1969-11-20
CH500552A (en) 1970-12-15
DE1772463B2 (en) 1977-02-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee