NL6901191A - - Google Patents

Info

Publication number
NL6901191A
NL6901191A NL6901191A NL6901191A NL6901191A NL 6901191 A NL6901191 A NL 6901191A NL 6901191 A NL6901191 A NL 6901191A NL 6901191 A NL6901191 A NL 6901191A NL 6901191 A NL6901191 A NL 6901191A
Authority
NL
Netherlands
Application number
NL6901191A
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 filed Critical
Publication of NL6901191A publication Critical patent/NL6901191A/xx

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
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
NL6901191A 1968-01-25 1969-01-24 NL6901191A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP403368 1968-01-25

Publications (1)

Publication Number Publication Date
NL6901191A true NL6901191A (enrdf_load_stackoverflow) 1969-07-29

Family

ID=11573635

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6901191A NL6901191A (enrdf_load_stackoverflow) 1968-01-25 1969-01-24

Country Status (6)

Country Link
US (1) US3832580A (enrdf_load_stackoverflow)
CH (1) CH518668A (enrdf_load_stackoverflow)
DE (2) DE1902849C3 (enrdf_load_stackoverflow)
FR (1) FR2000770A1 (enrdf_load_stackoverflow)
GB (1) GB1260387A (enrdf_load_stackoverflow)
NL (1) NL6901191A (enrdf_load_stackoverflow)

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Also Published As

Publication number Publication date
DE1902849A1 (de) 1969-09-11
DE1967130C2 (de) 1982-04-01
CH518668A (fr) 1972-01-31
DE1902849B2 (de) 1977-10-20
DE1902849C3 (de) 1978-06-29
GB1260387A (en) 1972-01-19
US3832580A (en) 1974-08-27
FR2000770A1 (enrdf_load_stackoverflow) 1969-09-12

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