DE69917531D1 - Digitaler elektroakustischer Wandler - Google Patents

Digitaler elektroakustischer Wandler

Info

Publication number
DE69917531D1
DE69917531D1 DE69917531T DE69917531T DE69917531D1 DE 69917531 D1 DE69917531 D1 DE 69917531D1 DE 69917531 T DE69917531 T DE 69917531T DE 69917531 T DE69917531 T DE 69917531T DE 69917531 D1 DE69917531 D1 DE 69917531D1
Authority
DE
Germany
Prior art keywords
acoustic transducer
digital electro
electro
digital
acoustic
Prior art date
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 - Lifetime
Application number
DE69917531T
Other languages
English (en)
Other versions
DE69917531T2 (de
Inventor
Yoshinobu Yasuno
Yasuhiro Riko
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.)
Riko Yasuhiro Yokohama Kanogawa Jp
Panasonic Corp
Original Assignee
Riko Yasuhiro
Matsushita Electric Industrial Co Ltd
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 Riko Yasuhiro, Matsushita Electric Industrial Co Ltd filed Critical Riko Yasuhiro
Application granted granted Critical
Publication of DE69917531D1 publication Critical patent/DE69917531D1/de
Publication of DE69917531T2 publication Critical patent/DE69917531T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
DE1999617531 1998-06-18 1999-06-14 Digitaler elektroakustischer Wandler Expired - Lifetime DE69917531T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17186598 1998-06-18
JP17186598A JP3553375B2 (ja) 1998-06-18 1998-06-18 防騒音型ディジタル式受話器

Publications (2)

Publication Number Publication Date
DE69917531D1 true DE69917531D1 (de) 2004-07-01
DE69917531T2 DE69917531T2 (de) 2005-08-04

Family

ID=15931230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999617531 Expired - Lifetime DE69917531T2 (de) 1998-06-18 1999-06-14 Digitaler elektroakustischer Wandler

Country Status (4)

Country Link
EP (1) EP0966178B1 (de)
JP (1) JP3553375B2 (de)
CN (1) CN1173599C (de)
DE (1) DE69917531T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3642460B2 (ja) * 1998-12-07 2005-04-27 松下電器産業株式会社 デジタル式送受話器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020247C2 (de) * 1980-05-28 1982-09-02 Franz Vertriebsgesellschaft mbH, 7634 Kippenheim Verfahren und Anordnung zur Umwandlung von Schallwellen in digitale elektrische Signale mit Hilfe von elektroakustischen Wandlern
US4922542A (en) * 1987-12-28 1990-05-01 Roman Sapiejewski Headphone comfort
DE19612068A1 (de) * 1996-03-27 1997-10-02 Neumann Gmbh Georg Verfahren und Anordnung zum Umwandeln eines akustischen Signals in ein elektrisches Signal

Also Published As

Publication number Publication date
DE69917531T2 (de) 2005-08-04
EP0966178B1 (de) 2004-05-26
EP0966178A3 (de) 2001-03-21
CN1173599C (zh) 2004-10-27
JP3553375B2 (ja) 2004-08-11
EP0966178A2 (de) 1999-12-22
CN1241107A (zh) 2000-01-12
JP2000013890A (ja) 2000-01-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

Owner name: RIKO, YASUHIRO, YOKOHAMA, KANOGAWA, JP