GB371647A - Improvements in needles for talking machines, phonographs and the like - Google Patents

Improvements in needles for talking machines, phonographs and the like

Info

Publication number
GB371647A
GB371647A GB15270/31A GB1527031A GB371647A GB 371647 A GB371647 A GB 371647A GB 15270/31 A GB15270/31 A GB 15270/31A GB 1527031 A GB1527031 A GB 1527031A GB 371647 A GB371647 A GB 371647A
Authority
GB
United Kingdom
Prior art keywords
semler
needles
phonographs
tip
talking machines
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
GB15270/31A
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.)
HUGO SEMLER
OSKAR SEMLER
Original Assignee
HUGO SEMLER
OSKAR SEMLER
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 HUGO SEMLER, OSKAR SEMLER filed Critical HUGO SEMLER
Publication of GB371647A publication Critical patent/GB371647A/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

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Abstract

371,647. Gramophone and phonograph needles. SEMLER, 0. and SEMLER, H., (trading as SEMLER, S.), Plzen, Czecho- Slovakia. May 23, 1931, No. 15270. Convention date, June 6, 1930. [Class 40 (ii).] A reproducing needle 1 has the tip 2 which extends into the sound groove 3 of a record formed as an arcuate slice or sector which tapers to a point. The outer surface of the tip is rounded for engagement in the record groove, the direction of movement of which is indicated by the arrow R.
GB15270/31A 1930-06-06 1931-05-23 Improvements in needles for talking machines, phonographs and the like Expired GB371647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS371647X 1930-06-06

Publications (1)

Publication Number Publication Date
GB371647A true GB371647A (en) 1932-04-28

Family

ID=5452555

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15270/31A Expired GB371647A (en) 1930-06-06 1931-05-23 Improvements in needles for talking machines, phonographs and the like

Country Status (1)

Country Link
GB (1) GB371647A (en)

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