WO2000049788A1 - Appareil portatif pour technique telephonique - Google Patents

Appareil portatif pour technique telephonique Download PDF

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Publication number
WO2000049788A1
WO2000049788A1 PCT/DE2000/000445 DE0000445W WO0049788A1 WO 2000049788 A1 WO2000049788 A1 WO 2000049788A1 DE 0000445 W DE0000445 W DE 0000445W WO 0049788 A1 WO0049788 A1 WO 0049788A1
Authority
WO
WIPO (PCT)
Prior art keywords
handset
microphone
main sound
inlet opening
sound inlet
Prior art date
Application number
PCT/DE2000/000445
Other languages
German (de)
English (en)
Inventor
Holger Petersen
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP00909035A priority Critical patent/EP1153500A1/fr
Publication of WO2000049788A1 publication Critical patent/WO2000049788A1/fr

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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/20—Arrangements for preventing acoustic feed-back

Definitions

  • the present invention relates to a handset for telephony with a built-in earpiece and a built-in microphone.
  • the sound is suppressed by the horn, with no costs for a complex mechanical construction or for digital signal processing. Furthermore, the sound from the inside of the handset, which escapes through housing leaks, is also suppressed. In addition, the directional characteristic of the unidirectional microphone also suppresses ambient noise.
  • Another advantage of the handset according to the invention lies in the fact that the microphone, owing to its arrangement, can be easily attached to a printed circuit board which generally runs parallel to the underside of the handset.
  • FIG. 1A shows schematically an exemplary embodiment of a handset according to the invention
  • the microphone 2 in addition to its particularly inexpensive tical properties due to its arrangement easily on a circuit board 6, which is generally parallel to the underside of the handset 1, can be attached. This can be done, for example, by means of a lead contact 7.
  • the contact can also be made via resilient contacts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)

Abstract

Afin d'améliorer la caractéristique directive d'appareils portatifs miniatures, le microphone (2) présente une caractéristique directive unidirectionnelle et est placé sur la face avant de l'appareil portatif (1) de manière que l'ouverture d'entrée principale du son (3) du microphone (2) se termine dans le plan de la face inférieure de l'appareil portatif et que l'ouverture de compensation arrière dudit microphone se termine dans le plan de la face avant de l'appareil portatif, l'ouverture d'entrée principale du son étant atténuée et l'ouverture de compensation, désatténuée.
PCT/DE2000/000445 1999-02-18 2000-02-17 Appareil portatif pour technique telephonique WO2000049788A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00909035A EP1153500A1 (fr) 1999-02-18 2000-02-17 Appareil portatif pour technique telephonique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19906810 1999-02-18
DE19906810.0 1999-02-18

Publications (1)

Publication Number Publication Date
WO2000049788A1 true WO2000049788A1 (fr) 2000-08-24

Family

ID=7897914

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2000/000445 WO2000049788A1 (fr) 1999-02-18 2000-02-17 Appareil portatif pour technique telephonique

Country Status (2)

Country Link
EP (1) EP1153500A1 (fr)
WO (1) WO2000049788A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2400769A (en) * 2003-04-14 2004-10-20 Sennheiser Electronic Directional microphone

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833937A1 (de) * 1977-08-02 1979-02-08 Toa Electric Co Ltd Telefonset
US5121426A (en) * 1989-12-22 1992-06-09 At&T Bell Laboratories Loudspeaking telephone station including directional microphone
EP0493361A2 (fr) * 1990-12-27 1992-07-01 AKG Akustische u. Kino-Geräte Gesellschaft m.b.H. Combiné téléphonique muni d'un microphone directionnel
EP0499674A1 (fr) * 1991-02-21 1992-08-26 Siemens Aktiengesellschaft Dispositif pour la suppression des réflexions acoustiques dans les combinés téléphoniques
EP0602828A1 (fr) * 1992-12-14 1994-06-22 AT&T Corp. Téléphone compact à poignet
DE19533001C1 (de) * 1995-09-07 1997-01-16 Hagenuk Telecom Gmbh Telefon mit Richtmikrofon

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833937A1 (de) * 1977-08-02 1979-02-08 Toa Electric Co Ltd Telefonset
US5121426A (en) * 1989-12-22 1992-06-09 At&T Bell Laboratories Loudspeaking telephone station including directional microphone
EP0493361A2 (fr) * 1990-12-27 1992-07-01 AKG Akustische u. Kino-Geräte Gesellschaft m.b.H. Combiné téléphonique muni d'un microphone directionnel
EP0499674A1 (fr) * 1991-02-21 1992-08-26 Siemens Aktiengesellschaft Dispositif pour la suppression des réflexions acoustiques dans les combinés téléphoniques
EP0602828A1 (fr) * 1992-12-14 1994-06-22 AT&T Corp. Téléphone compact à poignet
DE19533001C1 (de) * 1995-09-07 1997-01-16 Hagenuk Telecom Gmbh Telefon mit Richtmikrofon

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2400769A (en) * 2003-04-14 2004-10-20 Sennheiser Electronic Directional microphone
GB2400769B (en) * 2003-04-14 2006-08-09 Sennheiser Electronic A microphone

Also Published As

Publication number Publication date
EP1153500A1 (fr) 2001-11-14

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