GB637018A - Improvements relating to the manufacture of gramophone record reproducing apparatus - Google Patents

Improvements relating to the manufacture of gramophone record reproducing apparatus

Info

Publication number
GB637018A
GB637018A GB890347A GB890347A GB637018A GB 637018 A GB637018 A GB 637018A GB 890347 A GB890347 A GB 890347A GB 890347 A GB890347 A GB 890347A GB 637018 A GB637018 A GB 637018A
Authority
GB
United Kingdom
Prior art keywords
stylus
record reproducing
manufacture
reproducing apparatus
improvements relating
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
GB890347A
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
Application filed by Individual filed Critical Individual
Priority to GB890347A priority Critical patent/GB637018A/en
Publication of GB637018A publication Critical patent/GB637018A/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

  • Optical Recording Or Reproduction (AREA)

Abstract

637,018. Mounting needles in gramophone pick-ups. DUTTON, G. F. April 2, 1947, No. 8903. [Class 40 (ii)] A tapered gramophone record reproducing stylus 4, made for example from sapphire is inserted into a tapered recess 2 in a blade-like suspension arm and is secured by means such as solder 5 engaging the arm and the end of the stylus. A sleeve of soft metal may be provided between the recess and the stylus and the end of the stylus may be metallized.
GB890347A 1947-04-27 1947-04-27 Improvements relating to the manufacture of gramophone record reproducing apparatus Expired GB637018A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB890347A GB637018A (en) 1947-04-27 1947-04-27 Improvements relating to the manufacture of gramophone record reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB890347A GB637018A (en) 1947-04-27 1947-04-27 Improvements relating to the manufacture of gramophone record reproducing apparatus

Publications (1)

Publication Number Publication Date
GB637018A true GB637018A (en) 1950-05-10

Family

ID=9861534

Family Applications (1)

Application Number Title Priority Date Filing Date
GB890347A Expired GB637018A (en) 1947-04-27 1947-04-27 Improvements relating to the manufacture of gramophone record reproducing apparatus

Country Status (1)

Country Link
GB (1) GB637018A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957273A (en) * 1974-10-01 1976-05-18 U.S. Philips Corporation Stylus holder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957273A (en) * 1974-10-01 1976-05-18 U.S. Philips Corporation Stylus holder

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