BE810724A - Tete magnetique de lecture de disques - Google Patents

Tete magnetique de lecture de disques

Info

Publication number
BE810724A
BE810724A BE140648A BE140648A BE810724A BE 810724 A BE810724 A BE 810724A BE 140648 A BE140648 A BE 140648A BE 140648 A BE140648 A BE 140648A BE 810724 A BE810724 A BE 810724A
Authority
BE
Belgium
Prior art keywords
magnetic disc
reading head
disc reading
head
magnetic
Prior art date
Application number
BE140648A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE810724A publication Critical patent/BE810724A/xx

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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R11/12—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Toys (AREA)
BE140648A 1973-03-29 1974-02-07 Tete magnetique de lecture de disques BE810724A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00346008A US3846592A (en) 1973-03-29 1973-03-29 Phonograph pickup cartridge for four channel recordings

Publications (1)

Publication Number Publication Date
BE810724A true BE810724A (fr) 1974-05-29

Family

ID=23357543

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140648A BE810724A (fr) 1973-03-29 1974-02-07 Tete magnetique de lecture de disques

Country Status (11)

Country Link
US (1) US3846592A (xx)
JP (1) JPS49130204A (xx)
BE (1) BE810724A (xx)
CA (1) CA983401A (xx)
CH (1) CH578772A5 (xx)
DE (1) DE2409041C2 (xx)
DK (1) DK149680B (xx)
FR (1) FR2223777B1 (xx)
GB (1) GB1418434A (xx)
IT (1) IT1008819B (xx)
NL (1) NL7401875A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5951197B2 (ja) * 1975-03-27 1984-12-12 松下電器産業株式会社 電磁形ピツクアツプカ−トリツジ
JPS53127502U (xx) * 1977-03-16 1978-10-11
JPS60124196U (ja) * 1984-01-30 1985-08-21 並木精密宝石株式会社 ピツクアツプ・カ−トリツジの発電コイル
EP0160279A3 (en) * 1984-04-27 1987-04-01 Namiki Precision Jewel Co., Ltd. Improved grounding circuit for moving coil pickup cartridge

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH478502A (de) * 1967-06-20 1969-09-15 Audio Technica Kk Tonabnehmerkopf für stereophonische Schallplattenwiedergabe
DE1960545A1 (de) * 1968-12-16 1970-06-25 Huber & Co Tonwiedergabekopf mit einem auswechselbaren Nadeltraeger
US3546399A (en) * 1969-01-29 1970-12-08 Pickering & Co Inc Induced magnetic moving iron stereophonic phonograph pickup with replaceable stylus assembly
DK124049B (da) * 1969-03-25 1972-09-04 Fonofilm Ind As Magnetisk pick-up.
DE2115122C3 (de) * 1971-03-29 1974-01-24 Dual Gebr. Steidinger, 7742 St. Georgen Magnetischer Tonabnehmer

Also Published As

Publication number Publication date
FR2223777B1 (xx) 1978-06-16
CA983401A (en) 1976-02-10
DE2409041C2 (de) 1984-01-12
GB1418434A (en) 1975-12-17
DK149680B (da) 1986-09-01
FR2223777A1 (xx) 1974-10-25
IT1008819B (it) 1976-11-30
CH578772A5 (xx) 1976-08-13
JPS49130204A (xx) 1974-12-13
NL7401875A (xx) 1974-10-01
US3846592A (en) 1974-11-05
DE2409041A1 (de) 1974-10-17

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: W.O. STANTON

Effective date: 19870228