GB2104706A - Electrostatic capacitance type pickup stylus - Google Patents

Electrostatic capacitance type pickup stylus Download PDF

Info

Publication number
GB2104706A
GB2104706A GB08222065A GB8222065A GB2104706A GB 2104706 A GB2104706 A GB 2104706A GB 08222065 A GB08222065 A GB 08222065A GB 8222065 A GB8222065 A GB 8222065A GB 2104706 A GB2104706 A GB 2104706A
Authority
GB
United Kingdom
Prior art keywords
face
faces
electrostatic capacitance
guide
electrode
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Withdrawn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
GB08222065A
Other languages
English (en)
Inventor
Mikio Naoi
Keigi Segawa
Masaki Murakami
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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor KK
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 Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Publication of GB2104706A publication Critical patent/GB2104706A/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Withdrawn legal-status Critical Current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
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
    • G11B9/07—Heads for reproducing capacitive information
    • G11B9/075—Heads for reproducing capacitive information using mechanical contact with record carrier, e.g. by stylus

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
GB08222065A 1981-07-30 1982-07-30 Electrostatic capacitance type pickup stylus Withdrawn GB2104706A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56119550A JPS5819752A (ja) 1981-07-30 1981-07-30 静電容量値の変化検出型再生針

Publications (1)

Publication Number Publication Date
GB2104706A true GB2104706A (en) 1983-03-09

Family

ID=14764079

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08222065A Withdrawn GB2104706A (en) 1981-07-30 1982-07-30 Electrostatic capacitance type pickup stylus

Country Status (4)

Country Link
US (1) US4498163A (cg-RX-API-DMAC7.html)
JP (1) JPS5819752A (cg-RX-API-DMAC7.html)
DE (1) DE3228538C2 (cg-RX-API-DMAC7.html)
GB (1) GB2104706A (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7572506B2 (en) * 2004-06-30 2009-08-11 E. I. Du Pont De Nemours And Company Aqueous primer surfacer compositions
KR102864390B1 (ko) * 2024-06-14 2025-09-25 한국자동차연구원 모터 감자 진단 장치 및 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2060317B2 (de) * 1970-11-30 1973-03-08 Licentia Patent Verwaltungs GmbH, 6000 Frankfurt Aus diamant bestehende, zur rillenfuehrung und abtastung oder nur zur rillenfuehrung dienende abtasterkufe
US3848876A (en) * 1971-09-30 1974-11-19 Ted Bildplatten Scanning element
LU66237A1 (cg-RX-API-DMAC7.html) * 1971-11-19 1973-01-23
US3871664A (en) * 1973-05-29 1975-03-18 Diamagnetics Inc Phonograph stylus
NL179765C (nl) * 1976-11-17 1986-11-03 Victor Company Of Japan Naald voor het weergeven van informatiesignalen, die op een registratiemedium zijn geregistreerd.
US4273967A (en) * 1976-11-17 1981-06-16 Victor Company Of Japan, Limited Stylus for reproducing capacitive videodisc
JPS56137535A (en) * 1980-03-26 1981-10-27 Victor Co Of Japan Ltd Playback stylus of static capacitance change detection type playback element
JPS56137534A (en) * 1980-03-26 1981-10-27 Victor Co Of Japan Ltd Playback stylus of static capacitance change detection type playback element
US4357699A (en) * 1980-03-26 1982-11-02 Adamant Kogyo Co., Ltd. Capacitance detection type stylus with diamond body and electrode having the same wear resistance properties
US4340954A (en) * 1980-08-04 1982-07-20 Rca Corporation Stylus tip fabrication from a synthetic diamond stone

Also Published As

Publication number Publication date
DE3228538A1 (de) 1983-02-17
DE3228538C2 (de) 1985-12-19
JPS6218976B2 (cg-RX-API-DMAC7.html) 1987-04-25
US4498163A (en) 1985-02-05
JPS5819752A (ja) 1983-02-04

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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)