FR2059727B1 - - Google Patents

Info

Publication number
FR2059727B1
FR2059727B1 FR7031538A FR7031538A FR2059727B1 FR 2059727 B1 FR2059727 B1 FR 2059727B1 FR 7031538 A FR7031538 A FR 7031538A FR 7031538 A FR7031538 A FR 7031538A FR 2059727 B1 FR2059727 B1 FR 2059727B1
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
FR7031538A
Other languages
French (fr)
Other versions
FR2059727A1 (en
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of FR2059727A1 publication Critical patent/FR2059727A1/fr
Application granted granted Critical
Publication of FR2059727B1 publication Critical patent/FR2059727B1/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
    • H04R19/00—Electrostatic transducers
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/013—Electrostatic transducers characterised by the use of electrets for loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR7031538A 1969-08-28 1970-08-28 Expired FR2059727B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44067614A JPS4815868B1 (en) 1969-08-28 1969-08-28

Publications (2)

Publication Number Publication Date
FR2059727A1 FR2059727A1 (en) 1971-06-04
FR2059727B1 true FR2059727B1 (en) 1974-02-01

Family

ID=13349996

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7031538A Expired FR2059727B1 (en) 1969-08-28 1970-08-28

Country Status (5)

Country Link
JP (1) JPS4815868B1 (en)
DE (1) DE2042352A1 (en)
FR (1) FR2059727B1 (en)
GB (1) GB1292707A (en)
ZA (1) ZA705816B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2079054B (en) * 1980-06-30 1984-02-22 Tokyo Shibaura Electric Co Electret device
AU2004201896B2 (en) * 2003-06-18 2009-03-05 Altronic Distributors Pty Ltd An Anchoring Arrangement for Electrical Cabling

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1639444B2 (en) * 1967-05-15 1972-08-03 Thermo Electron Engineering Corp., Waltham, Mass. (V.StA.) ELECTROACOUSTIC CONVERTER

Also Published As

Publication number Publication date
DE2042352A1 (en) 1971-11-18
JPS4815868B1 (en) 1973-05-17
FR2059727A1 (en) 1971-06-04
ZA705816B (en) 1971-04-28
DE2042352B2 (en) 1972-10-26
GB1292707A (en) 1972-10-11

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Legal Events

Date Code Title Description
ST Notification of lapse