GB594151A - Improvements in or relating to electrical pick-ups for gramophones - Google Patents

Improvements in or relating to electrical pick-ups for gramophones

Info

Publication number
GB594151A
GB594151A GB643845A GB643845A GB594151A GB 594151 A GB594151 A GB 594151A GB 643845 A GB643845 A GB 643845A GB 643845 A GB643845 A GB 643845A GB 594151 A GB594151 A GB 594151A
Authority
GB
United Kingdom
Prior art keywords
magnet
coils
pick
magnetic
sleeves
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
GB643845A
Other languages
English (en)
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.)
Decca Record Co Ltd
Original Assignee
Decca Record 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
Priority to BE471728D priority Critical patent/BE471728A/xx
Application filed by Decca Record Co Ltd filed Critical Decca Record Co Ltd
Priority to GB643845A priority patent/GB594151A/en
Priority to FR927744D priority patent/FR927744A/fr
Publication of GB594151A publication Critical patent/GB594151A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
GB643845A 1945-03-14 1945-03-14 Improvements in or relating to electrical pick-ups for gramophones Expired GB594151A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE471728D BE471728A (enrdf_load_stackoverflow) 1945-03-14
GB643845A GB594151A (en) 1945-03-14 1945-03-14 Improvements in or relating to electrical pick-ups for gramophones
FR927744D FR927744A (fr) 1945-03-14 1946-06-07 Perfectionnements aux lecteurs électriques pour phonographes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB643845A GB594151A (en) 1945-03-14 1945-03-14 Improvements in or relating to electrical pick-ups for gramophones

Publications (1)

Publication Number Publication Date
GB594151A true GB594151A (en) 1947-11-04

Family

ID=9814483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB643845A Expired GB594151A (en) 1945-03-14 1945-03-14 Improvements in or relating to electrical pick-ups for gramophones

Country Status (3)

Country Link
BE (1) BE471728A (enrdf_load_stackoverflow)
FR (1) FR927744A (enrdf_load_stackoverflow)
GB (1) GB594151A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR927744A (fr) 1947-11-07
BE471728A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB1092734A (en) Phonograph pick-up
GB1000035A (en) A stereophonic electrodynamic pickup
US2412123A (en) Electromagnetic device
GB685293A (en) Improvements in and relating to phonograph pickup and stylus construction
GB594151A (en) Improvements in or relating to electrical pick-ups for gramophones
US2213936A (en) Electrodynamic pickup
GB939983A (en) Improvements in or relating to electro-magnetic transducers
US2501233A (en) Phonograph pickup having permanent magnet armature
GB334551A (en) Improvements relating to electro-magnetic gramophone pick-ups or recorders
US2516919A (en) Electrodynamic phonograph pickup
GB700155A (en) Phonographic pick-up
GB827860A (en) Improvements in or relating to electromechanical transducer systems
US2054980A (en) Electromagnetic phonograph recorder
GB724621A (en) Improvements relating to a permanent magnetic separating apparatus
GB950587A (en) Improvements in or relating to gramophone pick-ups
GB310284A (en) Improvements in and relating to apparatus for the electrical reproduction of sound
GB651432A (en) Improvements in or relating to electromagnetic pick-ups
GB620166A (en) Improvements relating to electrical vibrometers
GB325067A (en) Improvements in or relating to electro-magnetic vibratory devices for use for example in the recording or reproduction of sound
GB590669A (en) Improvements in or relating to electric picks-ups
GB646180A (en) Improvements in electrodynamic recording devices
GB692446A (en) Improvements in or relating to gramophone pick-ups and recording heads
GB615423A (en) Improvements in or relating to electric pick-ups for sound reproducing apparatus
GB610981A (en) Improvements in electric phonograph
GB437783A (en) Improvements in or relating to vibration translating devices such as electric reproducers for use with sound records