CH531819A - Elektromagnetischer Tonabnehmer - Google Patents

Elektromagnetischer Tonabnehmer

Info

Publication number
CH531819A
CH531819A CH1616170A CH1616170A CH531819A CH 531819 A CH531819 A CH 531819A CH 1616170 A CH1616170 A CH 1616170A CH 1616170 A CH1616170 A CH 1616170A CH 531819 A CH531819 A CH 531819A
Authority
CH
Switzerland
Prior art keywords
electromagnetic pickup
pickup
electromagnetic
Prior art date
Application number
CH1616170A
Other languages
English (en)
Inventor
Grado Joseph
Original Assignee
Grado Joseph
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 Grado Joseph filed Critical Grado Joseph
Publication of CH531819A publication Critical patent/CH531819A/de

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)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electromagnets (AREA)
  • Brushless Motors (AREA)
  • Moving Of Heads (AREA)
CH1616170A 1969-11-03 1970-10-30 Elektromagnetischer Tonabnehmer CH531819A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87336869A 1969-11-03 1969-11-03

Publications (1)

Publication Number Publication Date
CH531819A true CH531819A (de) 1972-12-15

Family

ID=25361507

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1616170A CH531819A (de) 1969-11-03 1970-10-30 Elektromagnetischer Tonabnehmer

Country Status (9)

Country Link
US (1) US3694586A (de)
JP (1) JPS514761B1 (de)
CA (1) CA941312A (de)
CH (1) CH531819A (de)
DE (1) DE2053829B2 (de)
ES (1) ES385092A1 (de)
FR (1) FR2073322B1 (de)
GB (1) GB1321688A (de)
NL (1) NL160697C (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683128A (en) * 1970-06-29 1972-08-08 Joseph F Grado Flux-bridging stereophonic pickup
US3878342A (en) * 1972-08-18 1975-04-15 Fonofilm Ind A S Replaceable stylus for stereophonic phonograph pickup
JPS5123290Y2 (de) * 1973-07-13 1976-06-15
US3881073A (en) * 1973-11-12 1975-04-29 Joseph F Grado Replaceable stylus-lever generator module for an electromagnetic cartridge
US4174111A (en) * 1973-11-12 1979-11-13 Grado Joseph F Compressive pivot suspension system for an electromagnetic cartridge
US4103116A (en) * 1974-12-05 1978-07-25 Nippon Gakki Seizo Kabushiki Kaisha Pickup cartridge with moving magnet armature
US4031336A (en) * 1975-02-10 1977-06-21 Grado Joseph F Electromagnetic pickup with magnetic gap displacement generator
JPS5448503A (en) * 1977-09-01 1979-04-17 Matsushita Electric Ind Co Ltd Moving coil type pickup cartridge
US4209669A (en) * 1977-12-23 1980-06-24 Nippon Columbia Kabushikikaisha Pick-up cartridge

Family Cites Families (7)

* 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
US2829210A (en) * 1951-08-15 1958-04-01 Donald J Baker Magnetic pickup
US2864897A (en) * 1958-02-17 1958-12-16 Hoffman Electronics Corp Universal phonograph pickup head or the like
US3067295A (en) * 1958-08-04 1962-12-04 Pickering & Co Inc Stereophonic phonograph pick-up device
GB930367A (en) * 1958-11-10 1963-07-03 Bang & Olufsen Produktionssels Stereophonic pick-up having a single stylus
US3469040A (en) * 1965-04-15 1969-09-23 Empire Scient Corp Variable reluctance phonograph cartridge
DE1960545A1 (de) * 1968-12-16 1970-06-25 Huber & Co Tonwiedergabekopf mit einem auswechselbaren Nadeltraeger

Also Published As

Publication number Publication date
FR2073322A1 (de) 1971-10-01
DE2053829B2 (de) 1974-05-16
DE2053829A1 (de) 1971-05-19
ES385092A1 (es) 1973-03-16
NL7015867A (de) 1971-05-05
CA941312A (en) 1974-02-05
NL160697B (nl) 1979-06-15
FR2073322B1 (de) 1975-10-10
US3694586A (en) 1972-09-26
NL160697C (nl) 1979-11-15
GB1321688A (en) 1973-06-27
DE2053829C3 (de) 1974-12-12
JPS514761B1 (de) 1976-02-14

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Legal Events

Date Code Title Description
PL Patent ceased