FR2096572B1 - - Google Patents

Info

Publication number
FR2096572B1
FR2096572B1 FR7123749A FR7123749A FR2096572B1 FR 2096572 B1 FR2096572 B1 FR 2096572B1 FR 7123749 A FR7123749 A FR 7123749A FR 7123749 A FR7123749 A FR 7123749A FR 2096572 B1 FR2096572 B1 FR 2096572B1
Authority
FR
France
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
FR7123749A
Other languages
French (fr)
Other versions
FR2096572A1 (en
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 FR2096572A1 publication Critical patent/FR2096572A1/fr
Application granted granted Critical
Publication of FR2096572B1 publication Critical patent/FR2096572B1/fr
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)
  • Electromagnets (AREA)
  • Moving Of Heads (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
FR7123749A 1970-06-29 1971-06-29 Expired FR2096572B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2096572A1 FR2096572A1 (en) 1972-02-18
FR2096572B1 true FR2096572B1 (en) 1977-01-21

Family

ID=21966368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7123749A Expired FR2096572B1 (en) 1970-06-29 1971-06-29

Country Status (9)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4031336A (en) * 1975-02-10 1977-06-21 Grado Joseph F Electromagnetic pickup with magnetic gap displacement generator
AT341240B (en) * 1975-07-29 1978-01-25 Akg Akustische Kino Geraete CARTRIDGE

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 (en) * 1966-10-20 1968-10-04 Matsushita Electric Ind Co Ltd Magnetic pick-up of stereophonic phonograph
DK124049B (en) * 1969-03-25 1972-09-04 Fonofilm Ind As Magnetic pick-up.
US3694586A (en) * 1969-11-03 1972-09-26 Joseph F Grado Toroidal armature stereophonic pickup

Also Published As

Publication number Publication date
DE2132127C3 (en) 1974-12-12
ES392652A1 (en) 1973-08-01
FR2096572A1 (en) 1972-02-18
NL161647B (en) 1979-09-17
DE2132127A1 (en) 1972-01-05
GB1318665A (en) 1973-05-31
CH541269A (en) 1973-08-31
NL7108816A (en) 1971-12-31
NL161647C (en) 1980-02-15
JPS5021241B1 (en) 1975-07-22
CA930674A (en) 1973-07-24
US3683128A (en) 1972-08-08
DE2132127B2 (en) 1974-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse