ES2095262T3 - Disposicion para la supresion de reflexiones acusticas en microtelefonos de la tecnica telefonica. - Google Patents

Disposicion para la supresion de reflexiones acusticas en microtelefonos de la tecnica telefonica.

Info

Publication number
ES2095262T3
ES2095262T3 ES91102556T ES91102556T ES2095262T3 ES 2095262 T3 ES2095262 T3 ES 2095262T3 ES 91102556 T ES91102556 T ES 91102556T ES 91102556 T ES91102556 T ES 91102556T ES 2095262 T3 ES2095262 T3 ES 2095262T3
Authority
ES
Spain
Prior art keywords
microphones
suppression
provision
acoustic reflections
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
ES91102556T
Other languages
English (en)
Inventor
Tomas Jan Dr-Ing Andert
Stefan Dipl-Ing Pieper
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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 Siemens AG, Siemens Corp filed Critical Siemens AG
Application granted granted Critical
Publication of ES2095262T3 publication Critical patent/ES2095262T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Headphones And Earphones (AREA)

Abstract

EN EL SERVICIO TELEFONICO SE EMITEN INTERFERENCIAS ACUSTICAS (CAMPO 2 A 3 KHZ) SOBRE TODO DESDE EL AURICULAR HASTA EL MICROFONO. LA FINALIDAD DE ESTA INVENCION ES ELIMINAR ESTAS INTERFERENCIAS ACUSTICAS (RESONANCIAS, ECOS, ETC) EN APARATOS DEL SERVICIO TELEFONICO. ESTO SE CONSIGUE EQUIPARANDO RESONADORES (RESONADOR HELMHOLTZ) QUE SE COLOCAN ADICIONALMENTE EN EL TRANSFORMADOR COLOCADO EN EL APARATO MANUAL.
ES91102556T 1991-02-21 1991-02-21 Disposicion para la supresion de reflexiones acusticas en microtelefonos de la tecnica telefonica. Expired - Lifetime ES2095262T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91102556A EP0499674B1 (de) 1991-02-21 1991-02-21 Anordnung zur Unterdrückung von akustischen Reflexionen bei Handapparaten der Fernsprechtechnik

Publications (1)

Publication Number Publication Date
ES2095262T3 true ES2095262T3 (es) 1997-02-16

Family

ID=8206436

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91102556T Expired - Lifetime ES2095262T3 (es) 1991-02-21 1991-02-21 Disposicion para la supresion de reflexiones acusticas en microtelefonos de la tecnica telefonica.

Country Status (5)

Country Link
EP (1) EP0499674B1 (es)
AT (1) ATE146320T1 (es)
DE (1) DE59108408D1 (es)
DK (1) DK0499674T3 (es)
ES (1) ES2095262T3 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000049788A1 (de) * 1999-02-18 2000-08-24 Siemens Aktiengesellschaft Handapparat der fernsprechtechnik
WO2000049789A1 (de) * 1999-02-18 2000-08-24 Siemens Aktiengesellschaft Handapparat für die fernsprechtechnik
NL1028909C2 (nl) * 2005-04-29 2006-10-31 Univ Twente Breedbandige geluidreductie met akoestische resonatoren.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190466A (en) * 1937-10-08 1940-02-13 Bell Telephone Labor Inc Telephone substation apparatus
US2190467A (en) * 1937-10-08 1940-02-13 Bell Telephone Labor Inc Telephone substation apparatus
DE3013696C2 (de) * 1980-04-03 1982-08-12 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Fernsprechhandapparat
DE3542490A1 (de) * 1985-11-30 1987-06-04 Hagenuk Telecom Gmbh Fernsprechhandapparat
JPH0625085Y2 (ja) * 1986-01-30 1994-06-29 三菱電機株式会社 電話機
DE3721230A1 (de) * 1987-06-24 1989-01-12 Krone Ag Handapparat fuer einen fernsprechapparat
DE8816291U1 (de) * 1988-03-16 1989-05-24 Krone AG, 1000 Berlin Fernsprechapparat mit einer Mute-Taste

Also Published As

Publication number Publication date
EP0499674A1 (de) 1992-08-26
ATE146320T1 (de) 1996-12-15
DE59108408D1 (de) 1997-01-23
EP0499674B1 (de) 1996-12-11
DK0499674T3 (es) 1997-02-17

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