GB1450140A - Record stylus arrangement - Google Patents

Record stylus arrangement

Info

Publication number
GB1450140A
GB1450140A GB6002973A GB6002973A GB1450140A GB 1450140 A GB1450140 A GB 1450140A GB 6002973 A GB6002973 A GB 6002973A GB 6002973 A GB6002973 A GB 6002973A GB 1450140 A GB1450140 A GB 1450140A
Authority
GB
United Kingdom
Prior art keywords
stylus
base
film
diamond
dec
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
GB6002973A
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP343973A external-priority patent/JPS5119963B2/ja
Priority claimed from JP343873A external-priority patent/JPS5119962B2/ja
Priority claimed from JP344073A external-priority patent/JPS5119964B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1450140A publication Critical patent/GB1450140A/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
    • G11B3/44—Styli, e.g. sapphire, diamond

Landscapes

  • Crystals, And After-Treatments Of Crystals (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB6002973A 1972-12-28 1973-12-28 Record stylus arrangement Expired GB1450140A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP343973A JPS5119963B2 (enExample) 1972-12-28 1972-12-28
JP343873A JPS5119962B2 (enExample) 1972-12-28 1972-12-28
JP344073A JPS5119964B2 (enExample) 1972-12-28 1972-12-28

Publications (1)

Publication Number Publication Date
GB1450140A true GB1450140A (en) 1976-09-22

Family

ID=27275825

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6002973A Expired GB1450140A (en) 1972-12-28 1973-12-28 Record stylus arrangement

Country Status (5)

Country Link
US (1) US3927887A (enExample)
CA (1) CA989318A (enExample)
DE (1) DE2364869C3 (enExample)
FR (1) FR2212591B1 (enExample)
GB (1) GB1450140A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137011A (en) * 1983-03-18 1984-09-26 Rca Corp Stylus holder

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105213A (en) * 1975-10-15 1978-08-08 Victor Company Of Japan, Ltd. Device for cutting a sound groove on a disc recording medium
US4212838A (en) * 1977-09-20 1980-07-15 Matsushita Electric Industrial Co., Ltd. Process for manufacture of cantilever for pickup cartridge
EP0020843A1 (de) * 1979-06-22 1981-01-07 Diamond S.A. Abtastnadel für Schallplatten
JPS56117343A (en) 1980-02-19 1981-09-14 Victor Co Of Japan Ltd Reproducing stylus of reproducing element detecting variation in electrostatic capacity value
JP3847211B2 (ja) * 2002-05-23 2006-11-22 田中貴金属工業株式会社 摺動接点およびその製造方法
JP5992821B2 (ja) * 2012-12-21 2016-09-14 田中貴金属工業株式会社 ブラシ型接点材料及びその製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519488A (en) * 1945-02-26 1950-08-22 Edward L Mack Sound reproducing stylus
US2583289A (en) * 1947-08-30 1952-01-22 Shure Bros Phonograph stylus
US2625401A (en) * 1948-06-23 1953-01-13 Frederick Jean Robert Sound reproducing stylus
US2803738A (en) * 1954-06-29 1957-08-20 Gen Electric Wear resistant contact
US3534968A (en) * 1969-02-06 1970-10-20 Bruce Diamond Corp Elliptical phonograph stylus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137011A (en) * 1983-03-18 1984-09-26 Rca Corp Stylus holder

Also Published As

Publication number Publication date
FR2212591A1 (enExample) 1974-07-26
FR2212591B1 (enExample) 1978-09-29
DE2364869B2 (de) 1976-06-24
DE2364869A1 (de) 1974-07-11
US3927887A (en) 1975-12-23
DE2364869C3 (de) 1980-06-19
CA989318A (en) 1976-05-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921228