GB1192787A - Device for Lifting and Lowering a Gramophone Pick-Up Arm - Google Patents

Device for Lifting and Lowering a Gramophone Pick-Up Arm

Info

Publication number
GB1192787A
GB1192787A GB26301/67A GB2630167A GB1192787A GB 1192787 A GB1192787 A GB 1192787A GB 26301/67 A GB26301/67 A GB 26301/67A GB 2630167 A GB2630167 A GB 2630167A GB 1192787 A GB1192787 A GB 1192787A
Authority
GB
United Kingdom
Prior art keywords
arm
spring
sleeve
slide
lifting
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
GB26301/67A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1192787A publication Critical patent/GB1192787A/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
    • G11B3/14—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by using effects of gravity or inertia, e.g. counterweight
    • G11B3/18—Damping by using viscosity effect
    • 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
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/56—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering

Abstract

1,192,787. Gramophone cueing devices. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 7 June, 1967 [10 June, 1966], No. 26301/67. Heading G5R. A gramophone pick-up lifting and lowering device for manual or automatic operation comprises a lifting arm 11 attached to a spindle 4 slidable in a vertically movable, oil-filled damping sleeve 5 having a pin 6 for engagement with a control cam 7, the arm 11 and sleeve 5 being urged together by a spring 10 and the sleeve 5 being biased toward the cam 7 by spring 9, and a manually operable control slide 14 carrying a resilient element 13 arranged to co-operate with a projection 12 on the arm 11. Operation of slide 14 raises (or lowers) only the arm 11 against the force of spring 10, whereas rotation of cam disc 7 raises the arm 11 and damping assembly 4, 5 together. The spring 13, which may be a hinged member biased by a helical spring, is sufficiently strong that the arm 11 remains raised when the sleeve 5 is lowered by the disc 7. The slide 14 may be coupled to an operating slide (17, Fig. 2, not shown) by a hairpin spring (16) to provide a snap-action.
GB26301/67A 1966-06-10 1967-06-07 Device for Lifting and Lowering a Gramophone Pick-Up Arm Expired GB1192787A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP39669A DE1255942B (en) 1966-06-10 1966-06-10 Device for raising or lowering a height-adjustable sound head

Publications (1)

Publication Number Publication Date
GB1192787A true GB1192787A (en) 1970-05-20

Family

ID=7376650

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26301/67A Expired GB1192787A (en) 1966-06-10 1967-06-07 Device for Lifting and Lowering a Gramophone Pick-Up Arm

Country Status (9)

Country Link
US (1) US3414271A (en)
BE (1) BE699700A (en)
CH (1) CH457896A (en)
DE (1) DE1255942B (en)
DK (1) DK118850B (en)
ES (1) ES341440A1 (en)
GB (1) GB1192787A (en)
NL (1) NL6707825A (en)
SE (1) SE318124B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694449A (en) * 1984-07-06 1987-09-15 U.S. Philips Corporation Record player with a square, viscously damped pick-up arm lift rod

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561766A (en) * 1969-01-06 1971-02-09 Gen Electric Switch actuating mechanism for record player
US3774917A (en) * 1970-06-16 1973-11-27 Victor Co Ltd Apparatus for manually operating a pick-up arm in an automatic record player
DE2164875A1 (en) * 1970-12-29 1972-08-31 Pioneer Electronic Corp
US3794332A (en) * 1971-12-28 1974-02-26 Gen Electric Automatic record changer
DE2813849A1 (en) * 1978-03-31 1979-10-04 Kienzle Apparate Gmbh REGISTRATION ARRANGEMENT

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2192360A (en) * 1937-09-29 1940-03-05 Mann George Stanley Automatic and other gramophones
US2356137A (en) * 1942-10-17 1944-08-22 Farnsworth Television & Radio Pickup arm control mechanism
US2723859A (en) * 1950-06-14 1955-11-15 Garrard Eng & Mfg Co Ltd Manually operable repeating mechanism for a phonograph
DE1829205U (en) * 1960-11-26 1961-04-06 Max Braun Fa DEVICE FOR SEMI-AUTOMATIC RECORD PLAYERS.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694449A (en) * 1984-07-06 1987-09-15 U.S. Philips Corporation Record player with a square, viscously damped pick-up arm lift rod

Also Published As

Publication number Publication date
DK118850B (en) 1970-10-12
SE318124B (en) 1969-12-01
ES341440A1 (en) 1968-07-01
US3414271A (en) 1968-12-03
NL6707825A (en) 1967-12-11
DE1255942B (en) 1967-12-07
CH457896A (en) 1968-06-15
BE699700A (en) 1967-12-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees