Telephone handset

Details Telephone handset Telephone handset

H - Electricity

04

M

H04M 1/03 (2006.01) H04Q 7/32 (2006.01)

Patent

CA 2219152

Telephone handset comprising at least one part earphone and including a case (1), the said case containing at least one support plate (11) of electronic components (12) and one piezoelectric disk (3) connected to an electrically conductive support disk (4), the said support disk (4) being held securely at its outer edge between two attachment parts and separating a first volume called rear volume (16) delimited on the one hand by the assembly formed by the piezoelectric disk (3) and its support disk (4) and on the other hand by a rear wall opposite the said assembly (3, 4) and a circular side wall (19), the rear wall and the side wall constituting a rear part (14), the said rear part (14) being arranged so as to allow microleaks to pass to constitute with the rear volume (16) an acoustic damping device, and a second volume, called front volume (17), located on the other side of the said assembly and constituting, with holes (21) made in one wall (20) of the said front volume facing the said assembly (3-4), a Helmholtz resonator, characterized in that the said support plate (11) is applied directly on the said rear wall (18) of the said rear volume (16). Figure to publish: 2.

ABREGE Combiné téléphonique comportant au moins une partie écouteur et comprenant un boîtier (1), ledit boîtier contenant au moins une platine support (11) de composants électroniques (12) et un disque piézo-électrique (3) lié à un disque support (4) électriquement conducteur, ledit disque support (4) étant maintenu serré sur sa périphérie entre deux pièces de maintien et séparant un premier volume appelé volume arrière (16) délimité d'une part par l'ensemble formé du disque piézo-électrique (3) et son disque support (4) et d'autre part par une paroi arrière en vis-à-vis dudit ensemble (3, 4) et une paroi latérale circulaire (19), la paroi arrière et la paroi latérale constituant une pièce arrière (14), ladite pièce arrière (14) étant aménagée de façon à permettre le passage de micro-fuites pour constituer avec le volume arrière (16) un dispositif amortisseur acoustique, et un second volume, appelé volume avant (17), situé de l'autre côté dudit ensemble et constituant, avec des trous (21) percés dans une paroi (20) dudit volume avant faisant face audit ensemble (3-4), un résonateur de Helmoltz, caractérisé en ce que ladite platine support (11) est directement appliquée contre ladite paroi arrière (18) dudit volume arrière (16). Figure à publier : 2

Affiliated with

Also associated with

Rating

Telephone handset does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Telephone handset, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Telephone handset will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1489537