DE1772683C3 - - Google Patents

Info

Publication number
DE1772683C3
DE1772683C3 DE1772683A DE1772683A DE1772683C3 DE 1772683 C3 DE1772683 C3 DE 1772683C3 DE 1772683 A DE1772683 A DE 1772683A DE 1772683 A DE1772683 A DE 1772683A DE 1772683 C3 DE1772683 C3 DE 1772683C3
Authority
DE
Germany
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
DE1772683A
Other languages
German (de)
Other versions
DE1772683B2 (en
DE1772683A1 (en
Inventor
Hitoshi Mitaka Tokio Matsuda (Japan)
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.)
Nippon Columbia Co Ltd
Original Assignee
Nippon Columbia 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
Application filed by Nippon Columbia Co Ltd filed Critical Nippon Columbia Co Ltd
Publication of DE1772683A1 publication Critical patent/DE1772683A1/en
Publication of DE1772683B2 publication Critical patent/DE1772683B2/en
Application granted granted Critical
Publication of DE1772683C3 publication Critical patent/DE1772683C3/de
Granted 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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)
DE1772683A 1968-01-23 1968-06-19 Stereo pickup Granted DE1772683B2 (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE1772683A1 DE1772683A1 (en) 1972-02-24
DE1772683B2 DE1772683B2 (en) 1974-02-21
DE1772683C3 true DE1772683C3 (en) 1974-09-26

Family

ID=24811548

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1772683A Granted DE1772683B2 (en) 1968-01-23 1968-06-19 Stereo pickup

Country Status (4)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4937527B1 (en) * 1971-02-23 1974-10-09
JPS5123893B2 (en) * 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 (en) * 1976-03-18 1983-04-28 ヤマハ株式会社 Electromagnetic pick-up
JPS5487504A (en) * 1977-12-23 1979-07-12 Alps Electric Co Ltd Electromagnetic pickup cartridge
JPS5844896A (en) * 1981-09-10 1983-03-15 Sony Corp Moving coil type cartridge
JPS58184993U (en) * 1982-05-31 1983-12-08 ヤマハ株式会社 Moving magnet type pick-up cartridge

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 (en) * 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
GB930366A (en) * 1958-11-10 1963-07-03 Bang & Olufsen Produktionssels Stereophonic pick-up having a single stylus
DK110237C (en) * 1960-10-22 1973-01-22 Fonofilm Ind As Stereophonic electrodynamic sound recorder.
US3294405A (en) * 1963-12-11 1966-12-27 Audio Dynamics Corp Phonograph pick-up

Also Published As

Publication number Publication date
US3627931A (en) 1971-12-14
NL6808674A (en) 1969-12-23
DE1772683B2 (en) 1974-02-21
GB1233791A (en) 1971-05-26
NL149019B (en) 1976-03-15
DE1772683A1 (en) 1972-02-24

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee