GB722456A - Improvements in and relating to gramophone pickups - Google Patents

Improvements in and relating to gramophone pickups

Info

Publication number
GB722456A
GB722456A GB1676052A GB1676052A GB722456A GB 722456 A GB722456 A GB 722456A GB 1676052 A GB1676052 A GB 1676052A GB 1676052 A GB1676052 A GB 1676052A GB 722456 A GB722456 A GB 722456A
Authority
GB
United Kingdom
Prior art keywords
gramophone
point
relating
pickups
inch
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
GB1676052A
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.)
Cosmocord Ltd
Original Assignee
Cosmocord 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
Application filed by Cosmocord Ltd filed Critical Cosmocord Ltd
Priority to GB1676052A priority Critical patent/GB722456A/en
Publication of GB722456A publication Critical patent/GB722456A/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
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
    • G11B3/48—Needles

Landscapes

  • Polishing Bodies And Polishing Tools (AREA)
  • Forging (AREA)

Abstract

722,456. Gramophone needles. COSMOCORD, Ltd., and KELLY, S. June 26, 1953 [July 3, 1952], No. 16760/52. Class 40 (2) [Also in Group XXII] A method of making a gramophone stylus comprises shaping to a point a member of aluminium or aluminium alloy, anodizing the point with a coating at least 0.002 inch thick'and honing or lapping the point to a radius of 1 to 3 thousandths of an inch. Specification 709,624 is referred to.
GB1676052A 1952-07-03 1952-07-03 Improvements in and relating to gramophone pickups Expired GB722456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1676052A GB722456A (en) 1952-07-03 1952-07-03 Improvements in and relating to gramophone pickups

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1676052A GB722456A (en) 1952-07-03 1952-07-03 Improvements in and relating to gramophone pickups

Publications (1)

Publication Number Publication Date
GB722456A true GB722456A (en) 1955-01-26

Family

ID=10083147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1676052A Expired GB722456A (en) 1952-07-03 1952-07-03 Improvements in and relating to gramophone pickups

Country Status (1)

Country Link
GB (1) GB722456A (en)

Similar Documents

Publication Publication Date Title
GB553108A (en) Improvements in or relating to apparatus for determining the roughness of surfaces
GB722456A (en) Improvements in and relating to gramophone pickups
GB951900A (en) Improvements in or relating to magnetic transducer assemblies and the manufacture thereof
GB502229A (en) Bearings and methods of making the same
GB928295A (en) Improvements relating to methods of manufacturing magnetic recording and/or playbackheads
GB502299A (en) Improvements in or relating to lead pencils
Winship Spinning for Precision
GB531491A (en) Improvements in or relating to sound recording stylus
GB842510A (en) Improvements in and relating to gramophone pickups
GB508957A (en) Improvements in or relating to metal diaphragms for acoustic devices
GB787980A (en) Improvements in or relating to multi-track magnetic recording and reproducing head
GB633562A (en) Improvements in or relating to styli for sound reproduction from grooved records
AU164219B2 (en) Improvements in or relating to magnetic transducing assembly
AU153621B2 (en) Salts of hydroxyglutaconicaldehyde. dianil'S
ES201685A3 (en) A procedure for polishing and improving the carbon paper (Machine-translation by Google Translate, not legally binding)
AU900452A (en) Improvements in or relating to magnetic transducing assembly
AU163096B2 (en) Improvements in or relating to electromagnetic transducer head and method of recording
AU164438B2 (en) Improvements in or relating to magnetogram carriers, a method of manufacturing these carriers and method of recording withthe use of such carriers
AU743952A (en) Salts of hydroxyglutaconicaldehyde. dianil'S
AU164585B2 (en) Improved method forthe synthesis of pantothenic acid-4' phosphate
GB614815A (en) Improvements in or relating to chisel-, stylus- and like members for mechanically recording or reproducing oscillation records
AU1264452A (en) Improvements in or relating to electromagnetic transducer head and method of recording
AU1510452A (en) Improvements in or relating to magnetogram carriers, a method of manufacturing these carriers and method of recording withthe use of such carriers
CA494557A (en) N-CYCLOHEXYL-.alpha.-FLUOROACETAMIDE AND A METHOD OF PREPARING THE SAME
CA491101A (en) 4-CHLORO-.alpha.-FLUOROACETANILIDE AND A METHOD OF PREPARING THE SAME