ES250197A1 - Stereophonic phonograph transducer - Google Patents

Stereophonic phonograph transducer

Info

Publication number
ES250197A1
ES250197A1 ES0250197A ES250197A ES250197A1 ES 250197 A1 ES250197 A1 ES 250197A1 ES 0250197 A ES0250197 A ES 0250197A ES 250197 A ES250197 A ES 250197A ES 250197 A1 ES250197 A1 ES 250197A1
Authority
ES
Spain
Prior art keywords
recording
stereophonic phonograph
transducer
scanning
phonograph transducer
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
ES0250197A
Other languages
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES250197A1 publication Critical patent/ES250197A1/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/06—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R19/10—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
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Position Input By Displaying (AREA)

Abstract

A converting device for recording or scanning a groove-shaped recording track characterized by the fact that a body that follows the movement of the recording or scanning member is tiltable in all directions with respect to fixed parts of the device that together with the movable body produce the conversion. (Machine-translation by Google Translate, not legally binding)
ES0250197A 1958-06-20 1959-06-17 Stereophonic phonograph transducer Expired ES250197A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL228905 1958-06-20

Publications (1)

Publication Number Publication Date
ES250197A1 true ES250197A1 (en) 1959-10-01

Family

ID=19751258

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0250197A Expired ES250197A1 (en) 1958-06-20 1959-06-17 Stereophonic phonograph transducer

Country Status (7)

Country Link
US (1) US3576956A (en)
CH (1) CH384887A (en)
DE (1) DE1174085B (en)
ES (1) ES250197A1 (en)
FR (1) FR1227785A (en)
GB (1) GB927149A (en)
NL (2) NL228905A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904837A (en) * 1972-10-19 1975-09-09 Hitachi Ltd Magnetic pickup cartridge
AT341240B (en) * 1975-07-29 1978-01-25 Akg Akustische Kino Geraete CARTRIDGE
JPS5487504A (en) * 1977-12-23 1979-07-12 Alps Electric Co Ltd Electromagnetic pickup cartridge

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1520378A (en) * 1920-07-03 1924-12-23 Hugh C Lord Apparatus for recording and reproducing sound
GB336648A (en) * 1929-07-15 1930-10-15 Herbert Edward Holman Improvements in and relating to electrical sound reproducing instruments
FR747504A (en) * 1931-12-14 1933-06-16
GB394325A (en) * 1931-12-14 1933-06-14 Alan Dower Blumlein Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems
US2114471A (en) * 1936-06-20 1938-04-19 Bell Telephone Labor Inc Sound recording and reproducing system
US2507708A (en) * 1945-12-22 1950-05-16 Pennsylvania Electronics Inc Phonograph pickup having permanent magnet armature
US2507188A (en) * 1947-05-13 1950-05-09 Herbert K Neuber Electrostatic phonograph pickup
DE816311C (en) * 1949-05-04 1951-10-08 Telefunken Gmbh Pickups
US2875282A (en) * 1953-10-06 1959-02-24 Earl M Reiback Binaural phonograph pickup
US2944117A (en) * 1955-06-20 1960-07-05 Erie Resistor Corp Bender type piezoelectric transducer
DE1003463B (en) * 1955-07-02 1957-02-28 Telefunken Gmbh Pickup or cutting box for simultaneous playback or recording of lettering and side writing
NL99355C (en) * 1956-03-16
DE1031536B (en) * 1956-03-16 1958-06-04 Teldec Telefunken Decca Mechanical-electrical converter for the generation or scanning of a grooved sound track
US3055988A (en) * 1957-04-08 1962-09-25 Shure Bros Magnetic phonograph pickup
US2864897A (en) * 1958-02-17 1958-12-16 Hoffman Electronics Corp Universal phonograph pickup head or the like

Also Published As

Publication number Publication date
DE1174085B (en) 1964-07-16
NL112985C (en)
US3576956A (en) 1971-05-04
NL228905A (en)
CH384887A (en) 1965-02-26
FR1227785A (en) 1960-08-24
GB927149A (en) 1963-05-29

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