Processing

Please wait...

Settings

Settings

Goto Application

1. WO2001063964 - INDUCTION LOOP

Publication Number WO/2001/063964
Publication Date 30.08.2001
International Application No. PCT/FI2001/000177
International Filing Date 21.02.2001
IPC
H04R 1/00 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
1Details of transducers
CPC
H04R 1/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
1Details of transducers, ; loudspeakers or microphones
H04R 2225/51
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
2225Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
51Aspects of antennas or their circuitry in or for hearing aids
Applicants
  • BENEFON OYJ [FI]/[FI] (AllExceptUS)
  • REPO, Kari [FI]/[FI] (UsOnly)
Inventors
  • REPO, Kari
Agents
  • FORSSÉN & SALOMAA OY
Priority Data
2000044225.02.2000FI
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) INDUCTION LOOP
(FR) CIRCUIT FERME A INDUCTION
Abstract
(EN)
An induction loop for the earpiece of a mobile phone, for example. According to the invention, induction is provided by planar conductor spirals (1, 2), which are arranged in at least two layers (3, 4) and connected in series, the direction of rotation of which on the different layers (3, 4) being the same.
(FR)
La présente invention concerne un circuit fermé à induction destiné à un écouteur de téléphone mobile, par exemple. Selon cette invention, l'induction est fournie par des spirales de conducteur planes (1, 2) agencées en au moins deux couches (3, 4) et reliées en séries, le sens de rotation de ces spirales sur ces différentes couches (3, 4) étant le même.
Also published as
Latest bibliographic data on file with the International Bureau