CH375921A - Conversion element for use in an apparatus for recording or scanning a groove-shaped recording track - Google Patents

Conversion element for use in an apparatus for recording or scanning a groove-shaped recording track

Info

Publication number
CH375921A
CH375921A CH7087359A CH7087359A CH375921A CH 375921 A CH375921 A CH 375921A CH 7087359 A CH7087359 A CH 7087359A CH 7087359 A CH7087359 A CH 7087359A CH 375921 A CH375921 A CH 375921A
Authority
CH
Switzerland
Prior art keywords
scanning
recording
groove
conversion element
shaped recording
Prior art date
Application number
CH7087359A
Other languages
German (de)
Inventor
Coert Munk Enno
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 CH375921A publication Critical patent/CH375921A/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
CH7087359A 1958-03-20 1959-03-17 Conversion element for use in an apparatus for recording or scanning a groove-shaped recording track CH375921A (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
CH375921A true CH375921A (en) 1964-03-15

Family

ID=26641642

Family Applications (2)

Application Number Title Priority Date Filing Date
CH7087359A CH375921A (en) 1958-03-20 1959-03-17 Conversion element for use in an apparatus for recording or scanning a groove-shaped recording track
CH7283159A CH385505A (en) 1958-03-20 1959-05-02 Conversion element for use in an apparatus for recording or scanning a groove-shaped recording track

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH7283159A CH385505A (en) 1958-03-20 1959-05-02 Conversion element for use in an apparatus for recording or scanning 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)
US3213207A (en) 1965-10-19
CH385505A (en) 1964-12-15
BE578379R (en) 1959-11-04
NL113247C (en)
DE1164698B (en) 1964-03-05

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