CH384887A - Electromechanical transducer for recording or scanning a groove-shaped recording track - Google Patents

Electromechanical transducer for recording or scanning a groove-shaped recording track

Info

Publication number
CH384887A
CH384887A CH7454459A CH7454459A CH384887A CH 384887 A CH384887 A CH 384887A CH 7454459 A CH7454459 A CH 7454459A CH 7454459 A CH7454459 A CH 7454459A CH 384887 A CH384887 A CH 384887A
Authority
CH
Switzerland
Prior art keywords
recording
scanning
groove
electromechanical transducer
shaped recording
Prior art date
Application number
CH7454459A
Other languages
German (de)
Inventor
Lanooy Cornelis
Mensen Herbert
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH384887A publication Critical patent/CH384887A/en

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)
CH7454459A 1958-06-20 1959-06-17 Electromechanical transducer for recording or scanning a groove-shaped recording track CH384887A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH384887A true CH384887A (en) 1965-02-26

Family

ID=19751258

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7454459A CH384887A (en) 1958-06-20 1959-06-17 Electromechanical transducer for recording or scanning a groove-shaped recording track

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
GB394325A (en) * 1931-12-14 1933-06-14 Alan Dower Blumlein Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems
FR747504A (en) * 1931-12-14 1933-06-16
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
DE1031536B (en) * 1956-03-16 1958-06-04 Teldec Telefunken Decca Mechanical-electrical converter for the generation or scanning of a grooved sound track
NL99355C (en) * 1956-03-16
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
US3576956A (en) 1971-05-04
GB927149A (en) 1963-05-29
FR1227785A (en) 1960-08-24
NL228905A (en)
NL112985C (en)
ES250197A1 (en) 1959-10-01
DE1174085B (en) 1964-07-16

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