GB2020083A - A record player having a trip mechanism - Google Patents

A record player having a trip mechanism

Info

Publication number
GB2020083A
GB2020083A GB7910277A GB7910277A GB2020083A GB 2020083 A GB2020083 A GB 2020083A GB 7910277 A GB7910277 A GB 7910277A GB 7910277 A GB7910277 A GB 7910277A GB 2020083 A GB2020083 A GB 2020083A
Authority
GB
United Kingdom
Prior art keywords
arm
stop member
record player
pick
trip mechanism
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.)
Withdrawn
Application number
GB7910277A
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of GB2020083A publication Critical patent/GB2020083A/en
Withdrawn legal-status Critical Current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
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/085—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
    • G11B3/08503—Control of drive of the head
    • G11B3/08506—Control of drive of the head for pivoting pick-up arms
    • G11B3/08509—Control of drive of the head for pivoting pick-up arms using mechanical detecting means
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/14—Control of operating function, e.g. switching from recording to reproducing by sensing movement or position of head, e.g. means moving in correspondence with head movements

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Feeding And Guiding Record Carriers (AREA)

Abstract

A record player having a turntable, a pickup arm and a trip mechanism, the trip mechanism comprising a lever 21 which pivots about a pivot and which is constrained to remain against a first stop member 32 until a first predetermined time in the playing cycle of the record player, mover means comprising arm 30 attached to pick up arm cation spindle 26, for pivoting the trip lever away from the first stop member and against a second stop member 34 whereby an electrical current can pass from the second stop member, and reset means for resetting the trip lever by pivoting it back to its position against the first stop member at a second predetermined time in the playing cycle of the record player. The current can initiate set down of the pickup arm or can initiate return of the pick up arm or start of an automatic change cycle. Also described is an arrangement for setting down of the pick up arm at the start of records of different sizes. <IMAGE>
GB7910277A 1978-04-28 1979-03-23 A record player having a trip mechanism Withdrawn GB2020083A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1688578 1978-04-28
GB1713978 1978-04-29

Publications (1)

Publication Number Publication Date
GB2020083A true GB2020083A (en) 1979-11-07

Family

ID=26252302

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7910277A Withdrawn GB2020083A (en) 1978-04-28 1979-03-23 A record player having a trip mechanism

Country Status (2)

Country Link
DE (1) DE2917278A1 (en)
GB (1) GB2020083A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190131773A1 (en) * 2016-06-20 2019-05-02 Osram Opto Semiconductors Gmbh Edge-emitting Semiconductor Laser and Method for Operating a Semiconductor Laser

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190131773A1 (en) * 2016-06-20 2019-05-02 Osram Opto Semiconductors Gmbh Edge-emitting Semiconductor Laser and Method for Operating a Semiconductor Laser
US10931084B2 (en) * 2016-06-20 2021-02-23 Osram Oled Gmbh Edge-emitting semiconductor laser and method for operating a semiconductor laser

Also Published As

Publication number Publication date
DE2917278A1 (en) 1979-11-08

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)