DE69525987D1 - Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ - Google Patents

Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ

Info

Publication number
DE69525987D1
DE69525987D1 DE69525987T DE69525987T DE69525987D1 DE 69525987 D1 DE69525987 D1 DE 69525987D1 DE 69525987 T DE69525987 T DE 69525987T DE 69525987 T DE69525987 T DE 69525987T DE 69525987 D1 DE69525987 D1 DE 69525987D1
Authority
DE
Germany
Prior art keywords
transmitter
receiver
acoustic transducer
earpiece type
earpiece
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
DE69525987T
Other languages
English (en)
Other versions
DE69525987T2 (de
Inventor
Shigeaki Aoki
Kazumasa Mitsuhashi
Yutaka Nishino
Kohichi Matsumoto
Chikara Yuse
Hiroyuki Matsui
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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
Priority claimed from JP10376694A external-priority patent/JPH07312634A/ja
Priority claimed from JP20397794A external-priority patent/JP3082825B2/ja
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69525987D1 publication Critical patent/DE69525987D1/de
Application granted granted Critical
Publication of DE69525987T2 publication Critical patent/DE69525987T2/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE69525987T 1994-05-18 1995-05-16 Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ Expired - Lifetime DE69525987T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10376694A JPH07312634A (ja) 1994-05-18 1994-05-18 耳栓形変換器を用いる送受話装置
JP20397794A JP3082825B2 (ja) 1994-08-29 1994-08-29 通信装置

Publications (2)

Publication Number Publication Date
DE69525987D1 true DE69525987D1 (de) 2002-05-02
DE69525987T2 DE69525987T2 (de) 2002-09-19

Family

ID=26444359

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69531413T Expired - Fee Related DE69531413T2 (de) 1994-05-18 1995-05-16 Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ
DE69527731T Expired - Lifetime DE69527731T2 (de) 1994-05-18 1995-05-16 Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ
DE69525987T Expired - Lifetime DE69525987T2 (de) 1994-05-18 1995-05-16 Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69531413T Expired - Fee Related DE69531413T2 (de) 1994-05-18 1995-05-16 Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ
DE69527731T Expired - Lifetime DE69527731T2 (de) 1994-05-18 1995-05-16 Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ

Country Status (4)

Country Link
US (1) US5933506A (de)
EP (3) EP0984660B1 (de)
CA (1) CA2149563C (de)
DE (3) DE69531413T2 (de)

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EP0683621A3 (de) 1997-01-29
EP0984661B1 (de) 2002-08-07
EP0984661A3 (de) 2000-04-12
DE69527731T2 (de) 2003-04-03
EP0683621B1 (de) 2002-03-27
CA2149563A1 (en) 1995-11-19
DE69531413D1 (de) 2003-09-04
EP0683621A2 (de) 1995-11-22
DE69531413T2 (de) 2004-04-15
EP0984660A3 (de) 2000-04-12
EP0984660A2 (de) 2000-03-08
EP0984660B1 (de) 2003-07-30
CA2149563C (en) 1999-09-28
EP0984661A2 (de) 2000-03-08
DE69527731D1 (de) 2002-09-12
DE69525987T2 (de) 2002-09-19
US5933506A (en) 1999-08-03

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