DK129610B - Magnetisk, stereofonisk pick-up. - Google Patents

Magnetisk, stereofonisk pick-up.

Info

Publication number
DK129610B
DK129610B DK236869A DK236869A DK129610B DK 129610 B DK129610 B DK 129610B DK 236869 A DK236869 A DK 236869A DK 236869 A DK236869 A DK 236869A DK 129610 B DK129610 B DK 129610B
Authority
DK
Denmark
Prior art keywords
magnetic
stereophonic pick
stereophonic
pick
Prior art date
Application number
DK236869A
Other languages
English (en)
Other versions
DK129610C (da
Inventor
W Stanton
J Kuehn
Original Assignee
Pickering & 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 & Co Inc filed Critical Pickering & Co Inc
Publication of DK129610B publication Critical patent/DK129610B/da
Application granted granted Critical
Publication of DK129610C publication Critical patent/DK129610C/da

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)
  • Magnetic Treatment Devices (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
DK236869A 1968-04-30 1969-04-29 Magnetisk, stereofonisk pick-up. DK129610B (da)

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 (2)

Publication Number Publication Date
DK129610B true DK129610B (da) 1974-10-28
DK129610C DK129610C (da) 1975-05-05

Family

ID=27111143

Family Applications (1)

Application Number Title Priority Date Filing Date
DK236869A DK129610B (da) 1968-04-30 1969-04-29 Magnetisk, stereofonisk pick-up.

Country Status (8)

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

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
NL168390C (nl) 1982-03-16
DE1921927C3 (da) 1980-10-16
NL6905490A (da) 1969-11-03
NL168390B (nl) 1981-10-16
DE1921927A1 (de) 1969-11-20
CH510923A (fr) 1971-07-31
BE732277A (da) 1969-10-29
GB1245031A (en) 1971-09-02
JPS5425401B1 (da) 1979-08-28
DK129610C (da) 1975-05-05
DE1921927B2 (de) 1980-02-07
FR2007302A1 (da) 1970-01-02

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Legal Events

Date Code Title Description
PUP Patent expired