GB317305A - Improvements in and relating to sound reproducing instruments - Google Patents

Improvements in and relating to sound reproducing instruments

Info

Publication number
GB317305A
GB317305A GB1395328A GB1395328A GB317305A GB 317305 A GB317305 A GB 317305A GB 1395328 A GB1395328 A GB 1395328A GB 1395328 A GB1395328 A GB 1395328A GB 317305 A GB317305 A GB 317305A
Authority
GB
United Kingdom
Prior art keywords
arm
pick
relating
needle
sound reproducing
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
GB1395328A
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.)
AUSTIN THOMAS STACE
British Thomson Houston Co Ltd
Original Assignee
AUSTIN THOMAS STACE
British Thomson Houston Co 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 AUSTIN THOMAS STACE, British Thomson Houston Co Ltd filed Critical AUSTIN THOMAS STACE
Priority to GB1395328A priority Critical patent/GB317305A/en
Priority to FR36875D priority patent/FR36875E/en
Publication of GB317305A publication Critical patent/GB317305A/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
    • G11B3/02—Arrangements of heads
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/34—Driving or guiding during transducing operation
    • G11B3/38—Guiding, e.g. constructions or arrangements providing linear or other special tracking characteristics

Landscapes

  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

317,305. British Thomson-Houston C'o., Ltd., and Stace, A. T. May 11, 1928. Right to Patent relinquished. Electric pick-ups and the like, supporting.-An electric gramophone " pick-up " 4 is slidably and rotatably mounted by means of ball-bearing rollers 7 on an arm 2, which is arranged so that it guides the pick-up and the needle 5 radially across the record disc 3. The arm 2 is pivoted on a vertical axis on a column 1, and may normally be held in the operative position by a spring catch, whilst being capable of being swung aside to enable the needle or record to be changed. The arm may be inclined slightly downwards towards its outer end.
GB1395328A 1928-05-11 1928-05-11 Improvements in and relating to sound reproducing instruments Expired GB317305A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1395328A GB317305A (en) 1928-05-11 1928-05-11 Improvements in and relating to sound reproducing instruments
FR36875D FR36875E (en) 1928-05-11 1929-05-08 Improvements in the production of phonograms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1395328A GB317305A (en) 1928-05-11 1928-05-11 Improvements in and relating to sound reproducing instruments

Publications (1)

Publication Number Publication Date
GB317305A true GB317305A (en) 1929-08-12

Family

ID=10032349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1395328A Expired GB317305A (en) 1928-05-11 1928-05-11 Improvements in and relating to sound reproducing instruments

Country Status (2)

Country Link
FR (1) FR36875E (en)
GB (1) GB317305A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515273A (en) * 1944-10-31 1950-07-18 Rca Corp Slidably supported pickup head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515273A (en) * 1944-10-31 1950-07-18 Rca Corp Slidably supported pickup head

Also Published As

Publication number Publication date
FR36875E (en) 1930-09-20

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