DK149680B - Magnetodynamisk quadrofonisk grammofon-pick-up - Google Patents

Magnetodynamisk quadrofonisk grammofon-pick-up Download PDF

Info

Publication number
DK149680B
DK149680B DK165274AA DK165274A DK149680B DK 149680 B DK149680 B DK 149680B DK 165274A A DK165274A A DK 165274AA DK 165274 A DK165274 A DK 165274A DK 149680 B DK149680 B DK 149680B
Authority
DK
Denmark
Prior art keywords
core
channel
anchor
pick
quadrophonic
Prior art date
Application number
DK165274AA
Other languages
Danish (da)
English (en)
Inventor
Walter Oliver Stanton
Original Assignee
Walter Oliver Stanton
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 Walter Oliver Stanton filed Critical Walter Oliver Stanton
Publication of DK149680B publication Critical patent/DK149680B/da

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)
DK165274AA 1973-03-29 1974-03-26 Magnetodynamisk quadrofonisk grammofon-pick-up DK149680B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00346008A US3846592A (en) 1973-03-29 1973-03-29 Phonograph pickup cartridge for four channel recordings
US34600873 1973-03-29

Publications (1)

Publication Number Publication Date
DK149680B true DK149680B (da) 1986-09-01

Family

ID=23357543

Family Applications (1)

Application Number Title Priority Date Filing Date
DK165274AA DK149680B (da) 1973-03-29 1974-03-26 Magnetodynamisk quadrofonisk grammofon-pick-up

Country Status (11)

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

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 (de) * 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 (de) * 1984-04-27 1987-04-01 Namiki Precision Jewel Co., Ltd. Erdungsschaltung für Tonabnehmer mit beweglichen Spulen

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 (de) 1978-06-16
BE810724A (fr) 1974-05-29
CA983401A (en) 1976-02-10
DE2409041C2 (de) 1984-01-12
GB1418434A (en) 1975-12-17
FR2223777A1 (de) 1974-10-25
IT1008819B (it) 1976-11-30
CH578772A5 (de) 1976-08-13
JPS49130204A (de) 1974-12-13
NL7401875A (de) 1974-10-01
US3846592A (en) 1974-11-05
DE2409041A1 (de) 1974-10-17

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