ES230610U - Punta de lectura del surco de un disco. - Google Patents

Punta de lectura del surco de un disco.

Info

Publication number
ES230610U
ES230610U ES1977230610U ES230610U ES230610U ES 230610 U ES230610 U ES 230610U ES 1977230610 U ES1977230610 U ES 1977230610U ES 230610 U ES230610 U ES 230610U ES 230610 U ES230610 U ES 230610U
Authority
ES
Spain
Prior art keywords
stereophonic
stylus
tracking
sound groove
quadraphonic sound
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.)
Granted
Application number
ES1977230610U
Other languages
English (en)
Other versions
ES230610Y (es
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.)
Individual
Original Assignee
Individual
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 CH1093876A external-priority patent/CH597667A5/de
Priority claimed from CH385277A external-priority patent/CH604311A5/de
Application filed by Individual filed Critical Individual
Publication of ES230610U publication Critical patent/ES230610U/es
Application granted granted Critical
Publication of ES230610Y publication Critical patent/ES230610Y/es
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
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Magnetic Record Carriers (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

Punta de lectura del surco de un disco, por ejemplo de señales estereofónicas o cuadrafónicas, que comprende una porción de montaje y una porción afilada, caracterizada porque la línea de la arista de palpado de la porción afilada forma una V cuya extremidad está redondeada y cuyos dos flancos son simétricos y convexos, a fin de obtener un palpado óptimo.
ES1977230610U 1976-08-27 1977-08-26 Punta de lectura del surco de un disco. Expired ES230610Y (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1093876A CH597667A5 (en) 1976-08-27 1976-08-27 Stereophonic or quadraphonic pick=up stylus
CH385277A CH604311A5 (en) 1977-03-23 1977-03-23 Stereophonic or quadraphonic pick=up stylus

Publications (2)

Publication Number Publication Date
ES230610U true ES230610U (es) 1977-11-01
ES230610Y ES230610Y (es) 1978-03-01

Family

ID=25694008

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1977230610U Expired ES230610Y (es) 1976-08-27 1977-08-26 Punta de lectura del surco de un disco.

Country Status (10)

Country Link
US (1) US4365325A (es)
JP (1) JPS5329104A (es)
AT (1) AT358843B (es)
CA (1) CA1095837A (es)
DE (1) DE2732533C3 (es)
DK (1) DK161228C (es)
ES (1) ES230610Y (es)
FR (1) FR2363159A1 (es)
GB (1) GB1584747A (es)
NL (1) NL170779C (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58159616U (ja) * 1982-04-21 1983-10-24 並木精密宝石株式会社 レコ−ド用再生針
FR2568711B1 (fr) * 1984-07-31 1989-06-16 Zafira Procede et dispositif pour la fabrication de diamants de lecture elliptiques et diamants elliptiques ainsi obtenus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544495A (en) * 1945-03-19 1951-03-06 Dictaphone Corp Stylus construction
FR920559A (fr) * 1945-03-19 1947-04-11 Dictaphone Corp Perfectionnement dans les méthodes de fabrication des styles transmetteurs de vibrations
DE1180156B (de) * 1961-09-20 1964-10-22 K H Dreher Fa Abtastorgan fuer Tonabnehmer
US3534968A (en) * 1969-02-06 1970-10-20 Bruce Diamond Corp Elliptical phonograph stylus
DE6949182U (de) * 1969-12-20 1971-01-28 Ernst Fr Weinz Weka Ohg Tonabnehmernadel mit edelsteinspitze
CH516205A (de) * 1970-03-09 1971-11-30 Bruce Diamond Corp Tonabnehmernadel
DE2023904B2 (de) * 1970-05-15 1972-02-03 Wilms, Hermann, 2400 Lübeck Abtastnadel
GB1383238A (en) * 1971-03-13 1975-02-05 Victor Company Of Japan Phonograph pickup stylus
US3871664A (en) * 1973-05-29 1975-03-18 Diamagnetics Inc Phonograph stylus
JPS5830641B2 (ja) * 1975-09-23 1983-06-30 オグラホウセキセイキコウギヨウ カブシキガイシヤ エンバンレコ−ドサイセイバリ

Also Published As

Publication number Publication date
FR2363159A1 (fr) 1978-03-24
DK161228B (da) 1991-06-10
JPS5329104A (en) 1978-03-18
ES230610Y (es) 1978-03-01
DK161228C (da) 1991-11-25
ATA521377A (de) 1980-02-15
DE2732533A1 (de) 1978-03-02
CA1095837A (fr) 1981-02-17
US4365325A (en) 1982-12-21
DE2732533B2 (es) 1980-12-18
AT358843B (de) 1980-10-10
NL7709168A (nl) 1978-03-01
NL170779B (nl) 1982-07-16
DK335077A (da) 1978-02-28
GB1584747A (en) 1981-02-18
FR2363159B1 (es) 1984-04-27
NL170779C (nl) 1982-12-16
DE2732533C3 (de) 1981-10-01

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