GB1418434A - Gramophone pickup cartridge - Google Patents

Gramophone pickup cartridge

Info

Publication number
GB1418434A
GB1418434A GB505074A GB505074A GB1418434A GB 1418434 A GB1418434 A GB 1418434A GB 505074 A GB505074 A GB 505074A GB 505074 A GB505074 A GB 505074A GB 1418434 A GB1418434 A GB 1418434A
Authority
GB
United Kingdom
Prior art keywords
bridging
cartridge
bridging pieces
stereophonic
pickup cartridge
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
GB505074A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1418434A publication Critical patent/GB1418434A/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
    • 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)
  • Toys (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

1418434 Stereophonic pick-up W O STANTON 4 Feb 1974 [29 March 1973] 05050/74 Heading H4J The unitary pole piece bridging arrangement of the stereophonic transducer described in Specification 1,245,031 (Pickering) is replaced by separate crossing bridging pieces 78, 80, Fig. 2, and the bridging pieces are screened one from the other at the crossing point by a non- magnetic conducting member 94 which provides also electrical connections between the bridging pieces and the cartridge casing. The cartridge has good channel separation up to 50 kc./s. and is suitable for quadraphonic systems.
GB505074A 1973-03-29 1974-02-04 Gramophone pickup cartridge Expired GB1418434A (en)

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
GB1418434A true GB1418434A (en) 1975-12-17

Family

ID=23357543

Family Applications (1)

Application Number Title Priority Date Filing Date
GB505074A Expired GB1418434A (en) 1973-03-29 1974-02-04 Gramophone pickup cartridge

Country Status (11)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5951197B2 (en) * 1975-03-27 1984-12-12 松下電器産業株式会社 Electromagnetic pick-up cartridge
JPS53127502U (en) * 1977-03-16 1978-10-11
JPS60124196U (en) * 1984-01-30 1985-08-21 並木精密宝石株式会社 Pick-up cartridge generator coil
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 (en) * 1967-06-20 1969-09-15 Audio Technica Kk Pickup head for stereophonic record playback
DE1960545A1 (en) * 1968-12-16 1970-06-25 Huber & Co Sound playback head with an exchangeable needle carrier
US3546399A (en) * 1969-01-29 1970-12-08 Pickering & Co Inc Induced magnetic moving iron stereophonic phonograph pickup with replaceable stylus assembly
DK124049B (en) * 1969-03-25 1972-09-04 Fonofilm Ind As Magnetic pick-up.
DE2115122C3 (en) * 1971-03-29 1974-01-24 Dual Gebr. Steidinger, 7742 St. Georgen Magnetic pickup

Also Published As

Publication number Publication date
US3846592A (en) 1974-11-05
FR2223777A1 (en) 1974-10-25
CH578772A5 (en) 1976-08-13
DE2409041C2 (en) 1984-01-12
JPS49130204A (en) 1974-12-13
BE810724A (en) 1974-05-29
CA983401A (en) 1976-02-10
DE2409041A1 (en) 1974-10-17
DK149680B (en) 1986-09-01
FR2223777B1 (en) 1978-06-16
IT1008819B (en) 1976-11-30
NL7401875A (en) 1974-10-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee