GB1245031A - Stereophonic gramophone pickup - Google Patents

Stereophonic gramophone pickup

Info

Publication number
GB1245031A
GB1245031A GB2107869A GB2107869A GB1245031A GB 1245031 A GB1245031 A GB 1245031A GB 2107869 A GB2107869 A GB 2107869A GB 2107869 A GB2107869 A GB 2107869A GB 1245031 A GB1245031 A GB 1245031A
Authority
GB
United Kingdom
Prior art keywords
armature
magnetic
channel
polepiece
permanent magnet
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
GB2107869A
Other languages
English (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.)
Pickering and Co Inc
Original Assignee
Pickering and Co Inc
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 Pickering and Co Inc filed Critical Pickering and Co Inc
Publication of GB1245031A publication Critical patent/GB1245031A/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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Magnetic Treatment Devices (AREA)
GB2107869A 1968-04-30 1969-04-24 Stereophonic gramophone pickup Expired GB1245031A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72545768A 1968-04-30 1968-04-30
US79492169A 1969-01-29 1969-01-29

Publications (1)

Publication Number Publication Date
GB1245031A true GB1245031A (en) 1971-09-02

Family

ID=27111143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2107869A Expired GB1245031A (en) 1968-04-30 1969-04-24 Stereophonic gramophone pickup

Country Status (8)

Country Link
JP (1) JPS5425401B1 (enrdf_load_stackoverflow)
BE (1) BE732277A (enrdf_load_stackoverflow)
CH (1) CH510923A (enrdf_load_stackoverflow)
DE (1) DE1921927B2 (enrdf_load_stackoverflow)
DK (1) DK129610B (enrdf_load_stackoverflow)
FR (1) FR2007302A1 (enrdf_load_stackoverflow)
GB (1) GB1245031A (enrdf_load_stackoverflow)
NL (1) NL168390C (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646279A (en) * 1970-12-07 1972-02-29 Pickering & Co Inc Induced magnetic moving iron stereophonic phonograph pickup with replaceable stylus assembly and one common pole piece
DE3228299A1 (de) * 1982-07-29 1984-02-02 Philips Patentverwaltung Gmbh, 2000 Hamburg Tonabnehmer zum auslesen von informationen aus der rille einer sich drehenden informationstraegerplatte
FR3138127A1 (fr) 2022-07-20 2024-01-26 Philippe BERTHELOT Emballage alimentaire démontable après usage pour être lavé et restitué dans son état d’origine et son procédé de nettoyage en machine ou équipement industriel automatisé

Also Published As

Publication number Publication date
DE1921927C3 (enrdf_load_stackoverflow) 1980-10-16
NL168390C (nl) 1982-03-16
FR2007302A1 (enrdf_load_stackoverflow) 1970-01-02
DK129610B (da) 1974-10-28
BE732277A (enrdf_load_stackoverflow) 1969-10-29
DE1921927A1 (de) 1969-11-20
NL168390B (nl) 1981-10-16
JPS5425401B1 (enrdf_load_stackoverflow) 1979-08-28
NL6905490A (enrdf_load_stackoverflow) 1969-11-03
DK129610C (enrdf_load_stackoverflow) 1975-05-05
DE1921927B2 (de) 1980-02-07
CH510923A (fr) 1971-07-31

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