GB368226A - Improvements in or relating to pick-up devices - Google Patents

Improvements in or relating to pick-up devices

Info

Publication number
GB368226A
GB368226A GB25364/30A GB2536430A GB368226A GB 368226 A GB368226 A GB 368226A GB 25364/30 A GB25364/30 A GB 25364/30A GB 2536430 A GB2536430 A GB 2536430A GB 368226 A GB368226 A GB 368226A
Authority
GB
United Kingdom
Prior art keywords
pick
screw
key
needle
conical end
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
GB25364/30A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB368226A publication Critical patent/GB368226A/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

Landscapes

  • Harvester Elements (AREA)

Abstract

368,226. Gramophones. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. Aug. 25, 1930, No. 25364. Convention date, Sept. 24, 1929. Void [Published under Sect. 91 of the Acts]. [Class 40 (ii).] Securing tools to tool-arms.-The needle of a gramophone pick-up is clamped in the needle holder by a screw positioned so that its axis intersects the axis of oscillation of the needle-bar or armature, and the screw may be operated by a key engaging a square or conical end of the screw. The key may be entirely detachable and applied through a sleeve in the pick-up, or may be movably mounted in the pick-up casing, a spring 17 on the shank of the key 13 normally disengaging the recessed head 15 from the conical end 12 of the screw 5.
GB25364/30A 1929-09-24 1930-08-25 Improvements in or relating to pick-up devices Expired GB368226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL368226X 1929-09-24

Publications (1)

Publication Number Publication Date
GB368226A true GB368226A (en) 1932-03-03

Family

ID=19785504

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25364/30A Expired GB368226A (en) 1929-09-24 1930-08-25 Improvements in or relating to pick-up devices

Country Status (1)

Country Link
GB (1) GB368226A (en)

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