FR2252721B1 - - Google Patents

Info

Publication number
FR2252721B1
FR2252721B1 FR7438840A FR7438840A FR2252721B1 FR 2252721 B1 FR2252721 B1 FR 2252721B1 FR 7438840 A FR7438840 A FR 7438840A FR 7438840 A FR7438840 A FR 7438840A FR 2252721 B1 FR2252721 B1 FR 2252721B1
Authority
FR
France
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
FR7438840A
Other versions
FR2252721A1 (fr
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.)
Audio Technica KK
Original Assignee
Audio Technica KK
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 Audio Technica KK filed Critical Audio Technica KK
Publication of FR2252721A1 publication Critical patent/FR2252721A1/fr
Application granted granted Critical
Publication of FR2252721B1 publication Critical patent/FR2252721B1/fr
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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means
    • H04R1/18—Holders for styli; Mounting holders on transducers
    • 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
FR7438840A 1973-11-27 1974-11-27 Expired FR2252721B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48133790A JPS5122362B2 (fr) 1973-11-27 1973-11-27

Publications (2)

Publication Number Publication Date
FR2252721A1 FR2252721A1 (fr) 1975-06-20
FR2252721B1 true FR2252721B1 (fr) 1979-06-08

Family

ID=15113059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7438840A Expired FR2252721B1 (fr) 1973-11-27 1974-11-27

Country Status (7)

Country Link
US (1) US3983335A (fr)
JP (1) JPS5122362B2 (fr)
CA (1) CA1014860A (fr)
DE (1) DE2451650C3 (fr)
FR (1) FR2252721B1 (fr)
GB (1) GB1486809A (fr)
NL (1) NL7415358A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK137560B (da) * 1976-06-22 1978-03-20 Ortofon Mfg As Pickup.
US4212838A (en) * 1977-09-20 1980-07-15 Matsushita Electric Industrial Co., Ltd. Process for manufacture of cantilever for pickup cartridge
JPS5579034A (en) * 1978-12-12 1980-06-14 Matsushita Electric Ind Co Ltd Boron structure material and preparation thereof
EP0031122B1 (fr) * 1979-12-19 1985-10-02 Matsushita Electric Industrial Co., Ltd. Cartouche de pick-up électromagnétique
JPS573203A (en) * 1980-06-05 1982-01-08 Sony Corp Stereo cartridge
US4473897A (en) * 1982-02-17 1984-09-25 Shure Brothers, Inc. Tubular beryllium phonograph needleshank and method of formation
US4509159A (en) * 1982-12-06 1985-04-02 Pickering & Company, Inc. Aluminum-aluminum oxide stylus arm

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1175007B (de) * 1958-03-06 1964-07-30 Electroacustic Gmbh Elektromagnetische Abtastvorrichtung fuer Zweikomponentenschrift-Tonabnehmer
GB872915A (en) * 1958-07-28 1961-07-12 Garrard Eng & Mfg Co Ltd Improvements in or relating to gramophone pick-ups
JPS4323881Y1 (fr) * 1965-08-02 1968-10-08
CH478502A (de) * 1967-06-20 1969-09-15 Audio Technica Kk Tonabnehmerkopf für stereophonische Schallplattenwiedergabe
DE1572396A1 (de) * 1967-07-05 1969-10-30 Karl Braun Elektromagnetischer Tonabnehmer fuer stereophonische Schallplattenaufzeichnung
US3761647A (en) * 1968-08-14 1973-09-25 Audio Technica Kk Cartridge for detecting vibrations representing stereophonic sound
JPS4937527B1 (fr) * 1971-02-23 1974-10-09

Also Published As

Publication number Publication date
GB1486809A (en) 1977-09-28
DE2451650C3 (de) 1980-07-10
FR2252721A1 (fr) 1975-06-20
JPS5122362B2 (fr) 1976-07-09
NL7415358A (nl) 1975-05-29
CA1014860A (en) 1977-08-02
DE2451650B2 (de) 1979-10-04
DE2451650A1 (de) 1975-06-05
US3983335A (en) 1976-09-28
JPS50101001A (fr) 1975-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse