GB678705A - Improvements in phonographs - Google Patents

Improvements in phonographs

Info

Publication number
GB678705A
GB678705A GB9918/51A GB991851A GB678705A GB 678705 A GB678705 A GB 678705A GB 9918/51 A GB9918/51 A GB 9918/51A GB 991851 A GB991851 A GB 991851A GB 678705 A GB678705 A GB 678705A
Authority
GB
United Kingdom
Prior art keywords
styli
carries
forked
gramophone pick
rightangles
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
GB9918/51A
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.)
Industriaktiebolaget Luxor
Original Assignee
Industriaktiebolaget Luxor
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 Industriaktiebolaget Luxor filed Critical Industriaktiebolaget Luxor
Publication of GB678705A publication Critical patent/GB678705A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Moving Of Heads (AREA)

Abstract

678,705. Gramophone pick-ups. INDUSTRIAKTIEBOLAGET LUXOR. April 27, 1951. [May 8, 1950] No. 9918/51. Class 40 (ii). In a gramophone pick-up having alternative styli for normal and long-playing records, respectively, the casing 1 carries a helically shaped member 6 which carries styli 13, 14 mounted at rightangles to each other and engages a forked vibratory member 15 of a transducer unit 16, such as a piezo-electric crystal, the member 6 being rotated to bring one or other of the styli, 13 14 into an operative position by the sliding action of a forked member 17 coupled to a member which changes the speed of the record.
GB9918/51A 1950-05-08 1951-04-27 Improvements in phonographs Expired GB678705A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE678705X 1950-05-08

Publications (1)

Publication Number Publication Date
GB678705A true GB678705A (en) 1952-09-03

Family

ID=20314835

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9918/51A Expired GB678705A (en) 1950-05-08 1951-04-27 Improvements in phonographs

Country Status (4)

Country Link
BE (1) BE502913A (en)
DE (1) DE864749C (en)
FR (1) FR1036434A (en)
GB (1) GB678705A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10614833B2 (en) * 2015-09-30 2020-04-07 Dong-Chan SON Headshell and tonearm for mounting cartridge of audio turntable and audio turntable comprising same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960509C (en) * 1951-04-29 1957-06-06 Telefunken Gmbh Device for automatically coupled switching of the speed and the stylus of a record player
DE1084488B (en) * 1955-02-11 1960-06-30 Electroacustic Gmbh Record player
DE1078341B (en) * 1956-10-25 1960-03-24 Plessey Co Ltd Speed selector for record player

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10614833B2 (en) * 2015-09-30 2020-04-07 Dong-Chan SON Headshell and tonearm for mounting cartridge of audio turntable and audio turntable comprising same

Also Published As

Publication number Publication date
DE864749C (en) 1953-01-26
FR1036434A (en) 1953-09-08
BE502913A (en)

Similar Documents

Publication Publication Date Title
GB942480A (en) Improvements in and relating to sound reproducing and/or recording apparatus
GB678705A (en) Improvements in phonographs
GB617821A (en) Improvements in or relating to the reproduction of gramophone records
GB1083829A (en) Improvements in pick-ups
GB1215175A (en) Phonograph pickup
GB690490A (en) Improvements in phonograph pick-up devices
GB775987A (en) Improvements in piezo-electric pick-ups
GB633461A (en) Improvements relating to apparatus for sound recording or reproducing
GB805971A (en) Phonograph electro-mechanical pick-up heads
GB363627A (en) Improvements in or relating to apparatus for the interconversion of electrical and mechanical energy such as used in sound recording and reproducing apparatus
GB659644A (en) Improvements in and relating to pick-ups for reproducing recorded sound
GB802121A (en) Phonograph electro-mechanical pick-up heads
GB736039A (en) Improvements in and relating to gramophone and like apparatus
GB755801A (en) Improvements in or relating to pick-ups comprising two or more record needles which are externally damped
GB832891A (en) Improvements in or relating to a device for the recording or reproduction of sound tracks
GB699397A (en) Improvements in or relating to convertible sound pick-up devices
GB298144A (en) Improvements in and relating to sound boxes for sound recording and sound reproducing machines
GB727424A (en) Improvements in and relating to sound and like recording apparatus
JPS5257814A (en) Video magnetic disk device
AU150628B2 (en) Improvements in or relating to apparatus for reproducing from gramophone record discs
GB850259A (en) Binaural phonograph pickup
GB308698A (en) Improvements in talking machines
GB863889A (en) Piezoelectric phonograph pickup
GB684216A (en) Improvements in gramophone record players
GB978124A (en) Audiovisual projection system