FR2409643A1 - Dispositif d'ecouteur auxiliaire pour appareil telephonique - Google Patents

Dispositif d'ecouteur auxiliaire pour appareil telephonique

Info

Publication number
FR2409643A1
FR2409643A1 FR7833361A FR7833361A FR2409643A1 FR 2409643 A1 FR2409643 A1 FR 2409643A1 FR 7833361 A FR7833361 A FR 7833361A FR 7833361 A FR7833361 A FR 7833361A FR 2409643 A1 FR2409643 A1 FR 2409643A1
Authority
FR
France
Prior art keywords
auxiliary earphone
telephone
handset
ear
sound
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.)
Withdrawn
Application number
FR7833361A
Other languages
English (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.)
FURST HERR
Original Assignee
FURST HERR
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 FURST HERR filed Critical FURST HERR
Publication of FR2409643A1 publication Critical patent/FR2409643A1/fr
Withdrawn legal-status Critical Current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

Landscapes

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

Abstract

DISPOSITIF D'ECOUTEUR AUXILIAIRE. IL COMPREND UN BOITIER QU'ON ENFONCE SUR L'ECOUTEUR DU COMBINE, LE FOND DE CE BOITIER ETANT PERFORE POUR PERMETTRE AU SON DE PARVENIR A L'OREILLE DE LA PERSONNE QUI TIENT LEDIT COMBINE. UN TUYAU SOUPLE CONDUIT LE SON VERS UNE SORTE DE CORNET OU PORTE-VOIX QU'UNE AUTRE PERSONNE S'APPLIQUE CONTRE L'OREILLE. REALISATION D'UN DISPOSITIF SIMPLE, NE COMPORTANT AUCUN ELEMENT ELECTRIQUE.
FR7833361A 1977-11-22 1978-11-21 Dispositif d'ecouteur auxiliaire pour appareil telephonique Withdrawn FR2409643A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2752556A DE2752556C2 (de) 1977-11-22 1977-11-22 Zweithöhrer für Fernsprechapparate

Publications (1)

Publication Number Publication Date
FR2409643A1 true FR2409643A1 (fr) 1979-06-15

Family

ID=6024568

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7833361A Withdrawn FR2409643A1 (fr) 1977-11-22 1978-11-21 Dispositif d'ecouteur auxiliaire pour appareil telephonique

Country Status (4)

Country Link
DE (1) DE2752556C2 (fr)
FR (1) FR2409643A1 (fr)
GB (1) GB2008893A (fr)
IT (1) IT1099713B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221032A1 (de) * 1982-06-04 1983-12-08 Reinhard 6361 Niddatal Napierski Zweithoerer fuer telefonapparate
SE9803624L (sv) * 1998-10-22 2000-04-23 Ericsson Telefon Ab L M Hållare för mobiltelefon
GB2367968A (en) * 2000-06-16 2002-04-17 Roger Henry Williams Earphone adaptor
GB2376591A (en) * 2001-05-08 2002-12-18 Andreas Simeou Hands-free device with no electronics

Also Published As

Publication number Publication date
DE2752556C2 (de) 1979-09-06
IT7828785A0 (it) 1978-10-16
GB2008893A (en) 1979-06-06
DE2752556B1 (de) 1979-01-04
IT1099713B (it) 1985-09-28

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Legal Events

Date Code Title Description
ST Notification of lapse