CA930674A - Flux-bridging stereophonic pickup - Google Patents

Flux-bridging stereophonic pickup

Info

Publication number
CA930674A
CA930674A CA116435A CA116435A CA930674A CA 930674 A CA930674 A CA 930674A CA 116435 A CA116435 A CA 116435A CA 116435 A CA116435 A CA 116435A CA 930674 A CA930674 A CA 930674A
Authority
CA
Canada
Prior art keywords
bridging
flux
stereophonic pickup
stereophonic
pickup
Prior art date
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
CA116435A
Other languages
English (en)
Other versions
CA116435S (en
Inventor
Grado Joseph
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
Application granted granted Critical
Publication of CA930674A publication Critical patent/CA930674A/en
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)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Moving Of Heads (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
CA116435A 1970-06-29 1971-06-23 Flux-bridging stereophonic pickup Expired CA930674A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA930674A true CA930674A (en) 1973-07-24

Family

ID=21966368

Family Applications (1)

Application Number Title Priority Date Filing Date
CA116435A Expired CA930674A (en) 1970-06-29 1971-06-23 Flux-bridging stereophonic pickup

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
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
NL7108816A (enrdf_load_stackoverflow) 1971-12-31
JPS5021241B1 (enrdf_load_stackoverflow) 1975-07-22

Similar Documents

Publication Publication Date Title
CA961417A (en) Quadruphonic reproducing system
CA895093A (en) Pick-up load-holder
CA929865A (en) Stereophonic phonograph pickup
CA930674A (en) Flux-bridging stereophonic pickup
CA953551A (en) Audio-visual system
CA934868A (en) Stereophonic headphones
CA972796A (en) Sound reproduction system
CA934453A (en) Audio compression circuit
CA856351A (en) Stereophonic pickup cartridge
CA924244A (en) Phonograph pickup
CA879324A (en) Loudspeakers
CA853812A (en) Phonograph pickup
CA852811A (en) Phonograph pickup
CA965181A (en) Stereophonic headphones
CA843120A (en) Reproduction objective
CA843077A (en) Pickup header
CA837010A (en) Reproduction process
AU3545471A (en) Stereophonic reproducing system
CA848568A (en) Stereo receiver
CA851854A (en) Stereo receiver
CA927291A (en) Phonograph pickup
CA822762A (en) Phonograph pickup
AU464419B2 (en) Phonograph pickup
AU438626B2 (en) Loudspeaker
AU444240B2 (en) Loudspeaker