DK130670B - Magnetisk, stereofonisk pick-up. - Google Patents

Magnetisk, stereofonisk pick-up.

Info

Publication number
DK130670B
DK130670B DK449671AA DK449671A DK130670B DK 130670 B DK130670 B DK 130670B DK 449671A A DK449671A A DK 449671AA DK 449671 A DK449671 A DK 449671A DK 130670 B DK130670 B DK 130670B
Authority
DK
Denmark
Prior art keywords
magnetic
stereophonic pick
stereophonic
pick
Prior art date
Application number
DK449671AA
Other languages
Danish (da)
English (en)
Other versions
DK130670C (enrdf_load_stackoverflow
Inventor
W O Stanton
Original Assignee
W O Stanton
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 W O Stanton filed Critical W O Stanton
Publication of DK130670B publication Critical patent/DK130670B/da
Application granted granted Critical
Publication of DK130670C publication Critical patent/DK130670C/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)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electrophonic Musical Instruments (AREA)
DK449671AA 1970-12-07 1971-09-14 Magnetisk, stereofonisk pick-up. DK130670B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9556270A 1970-12-07 1970-12-07

Publications (2)

Publication Number Publication Date
DK130670B true DK130670B (da) 1975-03-17
DK130670C DK130670C (enrdf_load_stackoverflow) 1975-09-15

Family

ID=22252580

Family Applications (1)

Application Number Title Priority Date Filing Date
DK449671AA DK130670B (da) 1970-12-07 1971-09-14 Magnetisk, stereofonisk pick-up.

Country Status (11)

Country Link
US (1) US3646279A (enrdf_load_stackoverflow)
JP (1) JPS5322841B1 (enrdf_load_stackoverflow)
BE (1) BE773904A (enrdf_load_stackoverflow)
CA (1) CA929865A (enrdf_load_stackoverflow)
CH (1) CH559404A5 (enrdf_load_stackoverflow)
DE (1) DE2159573C2 (enrdf_load_stackoverflow)
DK (1) DK130670B (enrdf_load_stackoverflow)
FR (1) FR2116374B1 (enrdf_load_stackoverflow)
GB (1) GB1367651A (enrdf_load_stackoverflow)
IT (1) IT938613B (enrdf_load_stackoverflow)
NL (1) NL171317C (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7404359A (nl) * 1974-04-01 1975-10-03 Philips Nv Groeftaster en/of snijder.
US3952171A (en) * 1974-09-18 1976-04-20 Micro/Acoustics Corporation Stereo phonograph cartridge
NL169384C (nl) * 1974-10-01 1982-07-01 Philips Nv Naaldhouder.
US4072823A (en) * 1975-06-06 1978-02-07 Kabushiki Kaisha Mitachi Onkyo Seisakusho Moving magnet pickup cartridge
US4119844A (en) * 1976-07-30 1978-10-10 Marvin Glass & Associates Phonograph cartridge and sensor assembly
DE2825791C2 (de) * 1978-06-13 1980-07-31 Dual Gebrueder Steidinger, 7742 St Georgen Tonabnehmer mit auswechselbarer Abtastnadel
US4320492A (en) * 1980-04-01 1982-03-16 Micro-Acoustics Corporation Variable weight phonograph cartridge
JPS646632Y2 (enrdf_load_stackoverflow) * 1981-03-18 1989-02-21
DE3228300C2 (de) * 1982-07-29 1984-12-06 Philips Patentverwaltung Gmbh, 2000 Hamburg Tonabnehmer zum Auslesen von Informationen aus der Rille einer sich drehenden Informationsträgerplatte
DE3533814C1 (de) * 1985-09-21 1986-11-06 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zum Herstellen eines Magnet-Tonabnehmersystems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB847138A (en) * 1957-11-05 1960-09-07 Decca Record Co Ltd Improvements in or relating to pick-ups for sound recordings having a groove for mechanically oscillating a stylus
US2864897A (en) * 1958-02-17 1958-12-16 Hoffman Electronics Corp Universal phonograph pickup head or the like
US3297831A (en) * 1964-02-06 1967-01-10 Walter O Stanton Magnetic stereophonic phonograph pickup
NL168390C (nl) * 1968-04-30 1982-03-16 Pickering & Co Inc Stereofonische grammofoonopnemer.
US3546399A (en) * 1969-01-29 1970-12-08 Pickering & Co Inc Induced magnetic moving iron stereophonic phonograph pickup with replaceable stylus assembly

Also Published As

Publication number Publication date
FR2116374A1 (enrdf_load_stackoverflow) 1972-07-13
DE2159573C2 (de) 1982-04-29
FR2116374B1 (enrdf_load_stackoverflow) 1977-01-14
NL171317C (nl) 1983-03-01
CH559404A5 (enrdf_load_stackoverflow) 1975-02-28
US3646279A (en) 1972-02-29
NL171317B (nl) 1982-10-01
DK130670C (enrdf_load_stackoverflow) 1975-09-15
NL7113232A (enrdf_load_stackoverflow) 1972-06-09
IT938613B (it) 1973-02-10
CA929865A (en) 1973-07-10
DE2159573A1 (de) 1972-06-15
GB1367651A (en) 1974-09-18
BE773904A (fr) 1972-04-13
JPS5322841B1 (enrdf_load_stackoverflow) 1978-07-11

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Legal Events

Date Code Title Description
PBP Patent lapsed