NL150656B - Elektro-akoestische omzetter. - Google Patents

Elektro-akoestische omzetter.

Info

Publication number
NL150656B
NL150656B NL6900622A NL6900622A NL150656B NL 150656 B NL150656 B NL 150656B NL 6900622 A NL6900622 A NL 6900622A NL 6900622 A NL6900622 A NL 6900622A NL 150656 B NL150656 B NL 150656B
Authority
NL
Netherlands
Prior art keywords
electro
acoustic converter
acoustic
converter
Prior art date
Application number
NL6900622A
Other languages
English (en)
Other versions
NL6900622A (nl
Original Assignee
Industrial Research Prod Inc
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 Industrial Research Prod Inc filed Critical Industrial Research Prod Inc
Publication of NL6900622A publication Critical patent/NL6900622A/xx
Publication of NL150656B publication Critical patent/NL150656B/nl

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • 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
    • 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
    • H04R17/02—Microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
NL6900622A 1968-07-29 1969-01-15 Elektro-akoestische omzetter. NL150656B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74827268A 1968-07-29 1968-07-29

Publications (2)

Publication Number Publication Date
NL6900622A NL6900622A (nl) 1970-02-02
NL150656B true NL150656B (nl) 1976-08-16

Family

ID=25008744

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6900622A NL150656B (nl) 1968-07-29 1969-01-15 Elektro-akoestische omzetter.

Country Status (6)

Country Link
CH (1) CH501349A (nl)
DE (1) DE1916719C3 (nl)
DK (1) DK136749B (nl)
FR (1) FR1597238A (nl)
GB (1) GB1234218A (nl)
NL (1) NL150656B (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531299B1 (fr) * 1982-08-02 1986-07-18 Depaepe Sa Henri Transducteur acousto-electrique, notamment pour microphone piezoelectrique
EP2380361B1 (en) * 2009-01-14 2019-03-20 Hewlett-Packard Development Company, L.P. Acoustic pressure transducer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE637492A (nl) * 1962-11-28

Also Published As

Publication number Publication date
DK136749C (nl) 1978-04-24
CH501349A (de) 1970-12-31
GB1234218A (nl) 1971-06-03
DE1916719B2 (de) 1970-09-10
DK136749B (da) 1977-11-14
DE1916719A1 (de) 1970-03-05
NL6900622A (nl) 1970-02-02
FR1597238A (nl) 1970-06-22
DE1916719C3 (de) 1971-04-15

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: INDUSTRIAL

V4 Lapsed because of reaching the maxim lifetime of a patent