JPS5021241B1 - - Google Patents

Info

Publication number
JPS5021241B1
JPS5021241B1 JP46046872A JP4687271A JPS5021241B1 JP S5021241 B1 JPS5021241 B1 JP S5021241B1 JP 46046872 A JP46046872 A JP 46046872A JP 4687271 A JP4687271 A JP 4687271A JP S5021241 B1 JPS5021241 B1 JP S5021241B1
Authority
JP
Japan
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.)
Pending
Application number
JP46046872A
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 JPS5021241B1 publication Critical patent/JPS5021241B1/ja
Pending 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)
  • Electromagnets (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Moving Of Heads (AREA)
JP46046872A 1970-06-29 1971-06-29 Pending JPS5021241B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5062470A 1970-06-29 1970-06-29

Publications (1)

Publication Number Publication Date
JPS5021241B1 true JPS5021241B1 (ja) 1975-07-22

Family

ID=21966368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46046872A Pending JPS5021241B1 (ja) 1970-06-29 1971-06-29

Country Status (9)

Country Link
US (1) US3683128A (ja)
JP (1) JPS5021241B1 (ja)
CA (1) CA930674A (ja)
CH (1) CH541269A (ja)
DE (1) DE2132127C3 (ja)
ES (1) ES392652A1 (ja)
FR (1) FR2096572B1 (ja)
GB (1) GB1318665A (ja)
NL (1) NL161647C (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174111A (en) * 1973-11-12 1979-11-13 Grado Joseph F Compressive pivot suspension system for an electromagnetic cartridge
US3881073A (en) * 1973-11-12 1975-04-29 Joseph F Grado Replaceable stylus-lever generator module for an electromagnetic cartridge
US4031336A (en) * 1975-02-10 1977-06-21 Grado Joseph F Electromagnetic pickup with magnetic gap displacement generator
AT341240B (de) * 1975-07-29 1978-01-25 Akg Akustische Kino Geraete Tonabnehmer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2114471A (en) * 1936-06-20 1938-04-19 Bell Telephone Labor Inc Sound recording and reproducing system
US2456338A (en) * 1945-03-26 1948-12-14 Pure Oil Co Catalytic polymerization of olefinic hydrocarbons
US2444336A (en) * 1946-01-30 1948-06-29 Lionel B Cornwell Electrical sound translating device
US3469040A (en) * 1965-04-15 1969-09-23 Empire Scient Corp Variable reluctance phonograph cartridge
FR1541427A (fr) * 1966-10-20 1968-10-04 Matsushita Electric Ind Co Ltd Pick-up magnétique de phonographe stéréophonique
DK124049B (da) * 1969-03-25 1972-09-04 Fonofilm Ind As Magnetisk pick-up.
US3694586A (en) * 1969-11-03 1972-09-26 Joseph F Grado Toroidal armature stereophonic pickup

Also Published As

Publication number Publication date
NL161647B (nl) 1979-09-17
CH541269A (de) 1973-08-31
DE2132127C3 (de) 1974-12-12
GB1318665A (en) 1973-05-31
ES392652A1 (es) 1973-08-01
DE2132127B2 (ja) 1974-05-16
NL7108816A (ja) 1971-12-31
NL161647C (nl) 1980-02-15
CA930674A (en) 1973-07-24
DE2132127A1 (de) 1972-01-05
FR2096572A1 (ja) 1972-02-18
FR2096572B1 (ja) 1977-01-21
US3683128A (en) 1972-08-08

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