DE2230203A1 - - Google Patents

Info

Publication number
DE2230203A1
DE2230203A1 DE19722230203 DE2230203A DE2230203A1 DE 2230203 A1 DE2230203 A1 DE 2230203A1 DE 19722230203 DE19722230203 DE 19722230203 DE 2230203 A DE2230203 A DE 2230203A DE 2230203 A1 DE2230203 A1 DE 2230203A1
Authority
DE
Germany
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.)
Granted
Application number
DE19722230203
Other languages
German (de)
Other versions
DE2230203B1 (en
DE2230203C2 (en
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 filed Critical
Priority to DE19722230203 priority Critical patent/DE2230203C2/de
Publication of DE2230203A1 publication Critical patent/DE2230203A1/de
Publication of DE2230203B1 publication Critical patent/DE2230203B1/en
Application granted granted Critical
Publication of DE2230203C2 publication Critical patent/DE2230203C2/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • H04R11/08Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R11/12Gramophone 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
DE19722230203 1972-06-21 1972-06-21 Expired DE2230203C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19722230203 DE2230203C2 (en) 1972-06-21 1972-06-21

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19722230203 DE2230203C2 (en) 1972-06-21 1972-06-21
US35218973 US3851117A (en) 1972-06-21 1973-04-18 Electromagnetic sound pickup for the reproduction of quadrophonic sound recordings and the like
JP7037273A JPS5117886B2 (en) 1972-06-21 1973-06-21

Publications (3)

Publication Number Publication Date
DE2230203A1 true DE2230203A1 (en) 1973-12-13
DE2230203B1 DE2230203B1 (en) 1973-12-13
DE2230203C2 DE2230203C2 (en) 1974-07-04

Family

ID=5848305

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722230203 Expired DE2230203C2 (en) 1972-06-21 1972-06-21

Country Status (3)

Country Link
US (1) US3851117A (en)
JP (1) JPS5117886B2 (en)
DE (1) DE2230203C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6111036B2 (en) * 1978-10-06 1986-04-01 Audio Technica Kk

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401237A (en) * 1962-08-27 1968-09-10 Victor Company Of Japan Simultaneous recording of two signals per channel
CH478502A (en) * 1967-06-20 1969-09-15 Audio Technica Kk Pickup head for stereophonic record playback
US3576955A (en) * 1967-08-22 1971-05-04 Matsushita Electric Ind Co Ltd Armature assembly for magnetic-type phonograph pickup
DK124049B (en) * 1969-03-25 1972-09-04 Fonofilm Ind As Magnetic pick-up.

Also Published As

Publication number Publication date
JPS4953003A (en) 1974-05-23
JPS5117886B2 (en) 1976-06-05
DE2230203C2 (en) 1974-07-04
US3851117A (en) 1974-11-26
DE2230203B1 (en) 1973-12-13

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee