DK129881B - Suspension for a pickup arm. - Google Patents

Suspension for a pickup arm.

Info

Publication number
DK129881B
DK129881B DK36571AA DK36571A DK129881B DK 129881 B DK129881 B DK 129881B DK 36571A A DK36571A A DK 36571AA DK 36571 A DK36571 A DK 36571A DK 129881 B DK129881 B DK 129881B
Authority
DK
Denmark
Prior art keywords
suspension
pickup arm
pickup
arm
Prior art date
Application number
DK36571AA
Other languages
Danish (da)
Inventor
K Braun
Original Assignee
K Braun
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 K Braun filed Critical K Braun
Publication of DK129881B publication Critical patent/DK129881B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/0408—Passive magnetic bearings
    • F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
    • F16C32/0434—Passive magnetic bearings with permanent magnets on both parts repelling each other for parts moving linearly
    • 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
    • G11B3/09—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using manual means only
    • 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
    • G11B3/09—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using manual means only
    • G11B3/092—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using manual means only using mechanical means
    • 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
    • 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
    • G11B3/125—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by using electric or magnetic means
    • 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
    • G11B3/34—Driving or guiding during transducing operation
    • G11B3/38—Guiding, e.g. constructions or arrangements providing linear or other special tracking characteristics

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moving Of Heads (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
DK36571AA 1970-02-06 1971-01-28 Suspension for a pickup arm. DK129881B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2005331A DE2005331C3 (en) 1970-02-06 1970-02-06 Guide device for pickups

Publications (1)

Publication Number Publication Date
DK129881B true DK129881B (en) 1974-11-25

Family

ID=5761557

Family Applications (1)

Application Number Title Priority Date Filing Date
DK36571AA DK129881B (en) 1970-02-06 1971-01-28 Suspension for a pickup arm.

Country Status (4)

Country Link
US (1) US3771797A (en)
DE (1) DE2005331C3 (en)
DK (1) DK129881B (en)
GB (1) GB1354318A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114895A (en) * 1977-07-26 1978-09-19 Lewis Eckhart Phonograph tonearm pickup counterbalance
CH613796A5 (en) * 1978-06-24 1979-10-15 John A Youngs Record player
US4455641A (en) * 1978-09-12 1984-06-19 Dennesen Electrostatics, Inc. Linear tracking system
GB2040480B (en) * 1978-12-23 1984-06-27 Mutoh Ind Ltd Rail-type parallel drafting device
GB2040056B (en) * 1978-12-23 1984-06-27 Mutoh Ind Ltd Rail type parallel drafting device
FR2518790A1 (en) * 1981-12-21 1983-06-24 Karpov Valery Tone arm for audio disc systems - has tracking roller to provide radial motion for disc pick=up
DE3151948C2 (en) * 1981-12-30 1984-09-13 Valerij Georgievič Karpov Tangential tonearm with a slide guide
US4553230A (en) * 1984-08-20 1985-11-12 Paulson Rollie W Vibration free turntable apparatus
US5101398A (en) * 1988-02-19 1992-03-31 Canon Kabushiki Kaisha Device for magnetically guiding movement of a moving body such as an optical head
CN101988545A (en) * 2009-08-06 2011-03-23 马明 Magnetic suspension bearing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2413206A (en) * 1943-11-18 1946-12-24 Arthur F Worsham Pickup arm
US3101952A (en) * 1962-02-02 1963-08-27 James E Godfrey Tone-arm for a play-back sound reproducer
US3356372A (en) * 1964-12-09 1967-12-05 Rabinow Jacob Free-tracking phonograph pickup
US3441331A (en) * 1967-10-23 1969-04-29 Gen Motors Corp Gliding shelf

Also Published As

Publication number Publication date
DE2005331B2 (en) 1972-06-08
US3771797A (en) 1973-11-13
GB1354318A (en) 1974-06-05
DE2005331C3 (en) 1973-01-04
DE2005331A1 (en) 1971-08-19

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