FR2080823A7 - - Google Patents

Info

Publication number
FR2080823A7
FR2080823A7 FR7106480A FR7106480A FR2080823A7 FR 2080823 A7 FR2080823 A7 FR 2080823A7 FR 7106480 A FR7106480 A FR 7106480A FR 7106480 A FR7106480 A FR 7106480A FR 2080823 A7 FR2080823 A7 FR 2080823A7
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7106480A
Other languages
French (fr)
Other versions
FR2080823B3 (OSRAM
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2080823A7 publication Critical patent/FR2080823A7/fr
Application granted granted Critical
Publication of FR2080823B3 publication Critical patent/FR2080823B3/fr
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR7106480A 1970-02-28 1971-02-25 Expired FR2080823B3 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7002895A NL7002895A (OSRAM) 1970-02-28 1970-02-28

Publications (2)

Publication Number Publication Date
FR2080823A7 true FR2080823A7 (OSRAM) 1971-11-19
FR2080823B3 FR2080823B3 (OSRAM) 1973-10-19

Family

ID=19809464

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7106480A Expired FR2080823B3 (OSRAM) 1970-02-28 1971-02-25

Country Status (4)

Country Link
AT (1) AT307532B (OSRAM)
DE (1) DE2105154A1 (OSRAM)
FR (1) FR2080823B3 (OSRAM)
NL (1) NL7002895A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE364589B (OSRAM) * 1971-09-28 1974-02-25 G Bolin

Also Published As

Publication number Publication date
AT307532B (de) 1973-05-25
NL7002895A (OSRAM) 1971-08-31
FR2080823B3 (OSRAM) 1973-10-19
DE2105154A1 (de) 1971-09-23

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Legal Events

Date Code Title Description
ST Notification of lapse