NL7108816A - - Google Patents

Info

Publication number
NL7108816A
NL7108816A NL7108816A NL7108816A NL7108816A NL 7108816 A NL7108816 A NL 7108816A NL 7108816 A NL7108816 A NL 7108816A NL 7108816 A NL7108816 A NL 7108816A NL 7108816 A NL7108816 A NL 7108816A
Authority
NL
Netherlands
Application number
NL7108816A
Other versions
NL161647B (nl
NL161647C (nl
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 NL7108816A publication Critical patent/NL7108816A/xx
Publication of NL161647B publication Critical patent/NL161647B/xx
Application granted granted Critical
Publication of NL161647C publication Critical patent/NL161647C/xx

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)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Moving Of Heads (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
NL7108816.A 1970-06-29 1971-06-25 Elektromagnetisch groeftasterelement. NL161647C (nl)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL7108816A true NL7108816A (enrdf_load_stackoverflow) 1971-12-31
NL161647B NL161647B (nl) 1979-09-17
NL161647C NL161647C (nl) 1980-02-15

Family

ID=21966368

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7108816.A NL161647C (nl) 1970-06-29 1971-06-25 Elektromagnetisch groeftasterelement.

Country Status (9)

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

Families Citing this family (5)

* 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 (de) * 1975-07-29 1978-01-25 Akg Akustische Kino Geraete Tonabnehmer
DE3060582D1 (en) 1979-05-14 1982-08-12 Akg Akustische Kino Geraete Electromagnetic transducer

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
DE2132127B2 (enrdf_load_stackoverflow) 1974-05-16
CA930674A (en) 1973-07-24
FR2096572A1 (enrdf_load_stackoverflow) 1972-02-18
NL161647B (nl) 1979-09-17
ES392652A1 (es) 1973-08-01
US3683128A (en) 1972-08-08
FR2096572B1 (enrdf_load_stackoverflow) 1977-01-21
DE2132127C3 (de) 1974-12-12
CH541269A (de) 1973-08-31
GB1318665A (en) 1973-05-31
DE2132127A1 (de) 1972-01-05
NL161647C (nl) 1980-02-15
JPS5021241B1 (enrdf_load_stackoverflow) 1975-07-22

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: GRADO