GB1305101A - - Google Patents

Info

Publication number
GB1305101A
GB1305101A GB1305101DA GB1305101A GB 1305101 A GB1305101 A GB 1305101A GB 1305101D A GB1305101D A GB 1305101DA GB 1305101 A GB1305101 A GB 1305101A
Authority
GB
United Kingdom
Prior art keywords
ellipses
stylus
major axes
record
groove
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
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 filed Critical
Publication of GB1305101A publication Critical patent/GB1305101A/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

  • Pens And Brushes (AREA)

Abstract

1305101 Stylus BRUCE DIAMOND CORP 4 March 1970 10439/70 Heading G5R A gramophone pick up stylus which tapers towards its record engaging end is formed with cross sections over its tapered length defining ellipses of decreasing size. In use the major axes of the ellipses extend across the record groove and the ends of the major axes of the ellipses at and adjacent the groove walls from curves of constant radius.
GB1305101D 1970-03-04 1970-03-04 Expired GB1305101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1043970 1970-03-04

Publications (1)

Publication Number Publication Date
GB1305101A true GB1305101A (en) 1973-01-31

Family

ID=9967893

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1305101D Expired GB1305101A (en) 1970-03-04 1970-03-04

Country Status (1)

Country Link
GB (1) GB1305101A (en)

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

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

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee