GB2077022A - Phonograph apparatus - Google Patents

Phonograph apparatus Download PDF

Info

Publication number
GB2077022A
GB2077022A GB8114291A GB8114291A GB2077022A GB 2077022 A GB2077022 A GB 2077022A GB 8114291 A GB8114291 A GB 8114291A GB 8114291 A GB8114291 A GB 8114291A GB 2077022 A GB2077022 A GB 2077022A
Authority
GB
United Kingdom
Prior art keywords
record
arm
tone arm
turntable
tone
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Withdrawn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
GB8114291A
Other languages
English (en)
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.)
MACDONALD R J INTL CORP
Original Assignee
MACDONALD R J INTL CORP
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 MACDONALD R J INTL CORP filed Critical MACDONALD R J INTL CORP
Publication of GB2077022A publication Critical patent/GB2077022A/en
Withdrawn legal-status Critical Current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
    • G11B3/08Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/095Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record
    • G11B3/0952Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record using automatic means
    • G11B3/0955Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record using automatic means using mechanical means for detecting the end of the recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/08Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records
    • G11B17/12Guiding 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
    • G11B17/16Guiding 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
    • G11B17/162Guiding 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
    • G11B17/165Guiding 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • G11B19/2009Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • G11B19/26Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • 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
    • G11B3/08Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/085Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
    • G11B3/08503Control of drive of the head
    • G11B3/08532Control of drive of the head for fixed arms carrying a movable head
    • 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
    • G11B3/14Supporting 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
    • G11B3/18Damping by using viscosity effect

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
GB8114291A 1980-05-12 1981-05-11 Phonograph apparatus Withdrawn GB2077022A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14874780A 1980-05-12 1980-05-12

Publications (1)

Publication Number Publication Date
GB2077022A true GB2077022A (en) 1981-12-09

Family

ID=22527177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8114291A Withdrawn GB2077022A (en) 1980-05-12 1981-05-11 Phonograph apparatus

Country Status (4)

Country Link
JP (1) JPS5764366A (enrdf_load_stackoverflow)
DE (1) DE3118212A1 (enrdf_load_stackoverflow)
GB (1) GB2077022A (enrdf_load_stackoverflow)
SE (1) SE8102948L (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168106A1 (en) * 1984-07-06 1986-01-15 Koninklijke Philips Electronics N.V. Record player comprising a lifting device for the pick-up arm
CN110100544A (zh) * 2019-05-29 2019-08-09 东北农业大学 一种植物纤维地膜自动铺膜移栽机链式纸钵苗分苗供苗装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168106A1 (en) * 1984-07-06 1986-01-15 Koninklijke Philips Electronics N.V. Record player comprising a lifting device for the pick-up arm
CN110100544A (zh) * 2019-05-29 2019-08-09 东北农业大学 一种植物纤维地膜自动铺膜移栽机链式纸钵苗分苗供苗装置
CN110100544B (zh) * 2019-05-29 2023-07-28 东北农业大学 一种植物纤维地膜自动铺膜移栽机链式纸钵苗分苗供苗装置

Also Published As

Publication number Publication date
JPS5764366A (en) 1982-04-19
SE8102948L (sv) 1981-12-23
JPH0115942B2 (enrdf_load_stackoverflow) 1989-03-22
DE3118212A1 (de) 1982-04-01

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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)