GB1367651A - Stereophonic phonograph pickups - Google Patents

Stereophonic phonograph pickups

Info

Publication number
GB1367651A
GB1367651A GB4129971A GB4129971A GB1367651A GB 1367651 A GB1367651 A GB 1367651A GB 4129971 A GB4129971 A GB 4129971A GB 4129971 A GB4129971 A GB 4129971A GB 1367651 A GB1367651 A GB 1367651A
Authority
GB
United Kingdom
Prior art keywords
polepiece
armature
members
pins
magnetic
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
GB4129971A
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.)
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
Publication of GB1367651A publication Critical patent/GB1367651A/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; ELECTRIC HEARING AIDS; 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)
  • Electrophonic Musical Instruments (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB4129971A 1970-12-07 1971-09-03 Stereophonic phonograph pickups Expired GB1367651A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1367651A true GB1367651A (en) 1974-09-18

Family

ID=22252580

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4129971A Expired GB1367651A (en) 1970-12-07 1971-09-03 Stereophonic phonograph pickups

Country Status (11)

Country Link
US (1) US3646279A (cg-RX-API-DMAC7.html)
JP (1) JPS5322841B1 (cg-RX-API-DMAC7.html)
BE (1) BE773904A (cg-RX-API-DMAC7.html)
CA (1) CA929865A (cg-RX-API-DMAC7.html)
CH (1) CH559404A5 (cg-RX-API-DMAC7.html)
DE (1) DE2159573C2 (cg-RX-API-DMAC7.html)
DK (1) DK130670B (cg-RX-API-DMAC7.html)
FR (1) FR2116374B1 (cg-RX-API-DMAC7.html)
GB (1) GB1367651A (cg-RX-API-DMAC7.html)
IT (1) IT938613B (cg-RX-API-DMAC7.html)
NL (1) NL171317C (cg-RX-API-DMAC7.html)

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 (cg-RX-API-DMAC7.html) * 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
IT938613B (it) 1973-02-10
DK130670B (da) 1975-03-17
DE2159573A1 (de) 1972-06-15
FR2116374A1 (cg-RX-API-DMAC7.html) 1972-07-13
US3646279A (en) 1972-02-29
CA929865A (en) 1973-07-10
CH559404A5 (cg-RX-API-DMAC7.html) 1975-02-28
NL7113232A (cg-RX-API-DMAC7.html) 1972-06-09
DE2159573C2 (de) 1982-04-29
NL171317B (nl) 1982-10-01
DK130670C (cg-RX-API-DMAC7.html) 1975-09-15
BE773904A (fr) 1972-04-13
FR2116374B1 (cg-RX-API-DMAC7.html) 1977-01-14
NL171317C (nl) 1983-03-01
JPS5322841B1 (cg-RX-API-DMAC7.html) 1978-07-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee