BE578379R - Converting element for use in a device for recording or exploring a groove-shaped recording track. - Google Patents

Converting element for use in a device for recording or exploring a groove-shaped recording track.

Info

Publication number
BE578379R
BE578379R BE578379A BE578379A BE578379R BE 578379 R BE578379 R BE 578379R BE 578379 A BE578379 A BE 578379A BE 578379 A BE578379 A BE 578379A BE 578379 R BE578379 R BE 578379R
Authority
BE
Belgium
Prior art keywords
exploring
recording
groove
converting element
shaped recording
Prior art date
Application number
BE578379A
Other languages
French (fr)
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
Application granted granted Critical
Publication of BE578379R publication Critical patent/BE578379R/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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—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
BE578379A 1958-03-20 1959-05-04 Converting element for use in a device for recording or exploring a groove-shaped recording track. BE578379R (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL226065 1958-03-20
NL227532 1958-05-05

Publications (1)

Publication Number Publication Date
BE578379R true BE578379R (en) 1959-11-04

Family

ID=26641642

Family Applications (1)

Application Number Title Priority Date Filing Date
BE578379A BE578379R (en) 1958-03-20 1959-05-04 Converting element for use in a device for recording or exploring a groove-shaped recording track.

Country Status (7)

Country Link
US (2) US3213207A (en)
BE (1) BE578379R (en)
CH (2) CH375921A (en)
DE (1) DE1164698B (en)
FR (1) FR1222046A (en)
GB (1) GB914558A (en)
NL (3) NL226065A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH411121A (en) * 1962-12-19 1966-04-15 Ceskoslovenska Akademie Ved Voltage stabilizer
US3537039A (en) * 1968-08-26 1970-10-27 Motorola Inc Variable piezoelectric delay line
US3562563A (en) * 1969-03-26 1971-02-09 Motorola Inc Circumferentially slotted tubular piezoelectric transformer
US4348609A (en) * 1979-04-20 1982-09-07 Murata Manufacturing Co., Ltd. Piezoelectric vibrator with spurious mode suppression
US5225731A (en) * 1991-06-13 1993-07-06 Southwest Research Institute Solid body piezoelectric bender transducer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE590996C (en) * 1932-07-20 1934-01-15 Neufeldt & Kuhnke G M B H Piezoelectric crystal structure for sound recording and reproduction devices
US2439499A (en) * 1942-08-20 1948-04-13 Brush Dev Co Piezoelectric motor
US2444590A (en) * 1944-09-07 1948-07-06 Brush Dev Co Crystal plate and method of fabricating same
NL86929C (en) * 1948-06-12
US2775460A (en) * 1951-05-15 1956-12-25 Ian M Shivack Binaural recording system
US2858373A (en) * 1952-07-18 1958-10-28 Hans E Hollmann Highly sensitive transducers with electromechanical feedback
US2928069A (en) * 1954-10-13 1960-03-08 Gulton Ind Inc Transducer
US2834158A (en) * 1955-01-28 1958-05-13 Gulton Ind Inc Ultrasonic drill
US2880334A (en) * 1955-06-13 1959-03-31 Bell Telephone Labor Inc Ferroelectric torsional transducer
US2944117A (en) * 1955-06-20 1960-07-05 Erie Resistor Corp Bender type piezoelectric transducer
NL106293C (en) * 1957-11-13

Also Published As

Publication number Publication date
NL227532A (en)
FR1222046A (en) 1960-06-07
US3046360A (en) 1962-07-24
GB914558A (en) 1963-01-02
NL226065A (en)
CH375921A (en) 1964-03-15
US3213207A (en) 1965-10-19
CH385505A (en) 1964-12-15
NL113247C (en)
DE1164698B (en) 1964-03-05

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