NL6900622A - - Google Patents

Info

Publication number
NL6900622A
NL6900622A NL6900622A NL6900622A NL6900622A NL 6900622 A NL6900622 A NL 6900622A NL 6900622 A NL6900622 A NL 6900622A NL 6900622 A NL6900622 A NL 6900622A NL 6900622 A NL6900622 A NL 6900622A
Authority
NL
Netherlands
Application number
NL6900622A
Other versions
NL150656B (nl
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 NL6900622A publication Critical patent/NL6900622A/xx
Publication of NL150656B publication Critical patent/NL150656B/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
    • 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 true NL6900622A (enrdf_load_stackoverflow) 1970-02-02
NL150656B 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 (enrdf_load_stackoverflow)
DE (1) DE1916719C3 (enrdf_load_stackoverflow)
DK (1) DK136749B (enrdf_load_stackoverflow)
FR (1) FR1597238A (enrdf_load_stackoverflow)
GB (1) GB1234218A (enrdf_load_stackoverflow)
NL (1) NL150656B (enrdf_load_stackoverflow)

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
CN102282866B (zh) * 2009-01-14 2015-12-09 惠普开发有限公司 声压换能器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298219A (enrdf_load_stackoverflow) * 1962-11-28

Also Published As

Publication number Publication date
DK136749B (da) 1977-11-14
GB1234218A (enrdf_load_stackoverflow) 1971-06-03
NL150656B (nl) 1976-08-16
DE1916719A1 (de) 1970-03-05
DE1916719B2 (de) 1970-09-10
DK136749C (enrdf_load_stackoverflow) 1978-04-24
FR1597238A (enrdf_load_stackoverflow) 1970-06-22
CH501349A (de) 1970-12-31
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