GB1233791A - - Google Patents

Info

Publication number
GB1233791A
GB1233791A GB2924668A GB1233791DA GB1233791A GB 1233791 A GB1233791 A GB 1233791A GB 2924668 A GB2924668 A GB 2924668A GB 1233791D A GB1233791D A GB 1233791DA GB 1233791 A GB1233791 A GB 1233791A
Authority
GB
United Kingdom
Prior art keywords
plate
cantilever
cores
shaped
support
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
GB2924668A
Other languages
English (en)
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 GB1233791A publication Critical patent/GB1233791A/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; ELECTRIC HEARING AIDS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
  • Electromagnetism (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electromagnets (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB2924668A 1968-01-23 1968-06-19 Expired GB1233791A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69993668A 1968-01-23 1968-01-23

Publications (1)

Publication Number Publication Date
GB1233791A true GB1233791A (https=) 1971-05-26

Family

ID=24811548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2924668A Expired GB1233791A (https=) 1968-01-23 1968-06-19

Country Status (4)

Country Link
US (1) US3627931A (https=)
DE (1) DE1772683B2 (https=)
GB (1) GB1233791A (https=)
NL (1) NL149019B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630253A (en) * 1977-12-23 1986-12-16 Alps Electric Co., Ltd. Electromagnetic pickup cartridge having elongate core elements

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4937527B1 (https=) * 1971-02-23 1974-10-09
JPS5123893B2 (https=) * 1974-06-11 1976-07-20
US4103116A (en) * 1974-12-05 1978-07-25 Nippon Gakki Seizo Kabushiki Kaisha Pickup cartridge with moving magnet armature
JPS5821324B2 (ja) * 1976-03-18 1983-04-28 ヤマハ株式会社 電磁型ピツクアツプ
JPS5844896A (ja) * 1981-09-10 1983-03-15 Sony Corp ム−ビングコイル型カ−トリツジ
JPS58184993U (ja) * 1982-05-31 1983-12-08 ヤマハ株式会社 ム−ビングマグネツト形ピツクアツプカ−トリツジ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA718099A (en) * 1965-09-14 N.V. Philips Gloeilampenfabrieken Converting device for recording or scanning groove-like record tracks
FR747504A (https=) * 1931-12-14 1933-06-16
GB556975A (en) * 1942-04-27 1943-10-29 Kapella Ltd Improvements in or relating to apparatus for measuring or indicating the roughness or undulations of a surface
US2415681A (en) * 1944-09-07 1947-02-11 Gen Electric Electric pickup
US2553715A (en) * 1947-08-12 1951-05-22 George L Miller Segmented magnetic armature for phonograph pickups
US2829210A (en) * 1951-08-15 1958-04-01 Donald J Baker Magnetic pickup
US3005060A (en) * 1958-03-03 1961-10-17 Weathers Paul Signal transducing systems
GB930367A (en) * 1958-11-10 1963-07-03 Bang & Olufsen Produktionssels Stereophonic pick-up having a single stylus
DK110237C (da) * 1960-10-22 1973-01-22 Fonofilm Ind As Stereofonisk elektrodynamisk lydaftager.
US3294405A (en) * 1963-12-11 1966-12-27 Audio Dynamics Corp Phonograph pick-up

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630253A (en) * 1977-12-23 1986-12-16 Alps Electric Co., Ltd. Electromagnetic pickup cartridge having elongate core elements

Also Published As

Publication number Publication date
DE1772683A1 (de) 1972-02-24
US3627931A (en) 1971-12-14
NL149019B (nl) 1976-03-15
DE1772683C3 (https=) 1974-09-26
NL6808674A (https=) 1969-12-23
DE1772683B2 (de) 1974-02-21

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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