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1. (WO2005107319) DIGITAL NOISE FILTER SYSTEM AND RELATED APPARATUS AND METHOD
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2005/107319 International Application No.: PCT/IB2005/001092
Publication Date: 10.11.2005 International Filing Date: 22.04.2005
Chapter 2 Demand Filed: 21.11.2005
IPC:
A61F 11/14 (2006.01) ,H04R 25/00 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
11
Methods or devices for treatment of the ears, e.g. surgical; Protective devices for the ears, carried on the body or in the hand
06
Protective devices for the ears
14
external, e.g. earcaps or earmuffs
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
R
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
25
Deaf-aid sets
Applicants:
WONG, Sui-Kay [GB/CN]; CN (UsOnly)
CHEUNG, Kwok, Yau (William); CN (UsOnly)
LEUNG, Wai-Hung; US (UsOnly)
JETTA COMPANY LIMITED [CN/CN]; 19 On Kui Street, Jetta House On Lok Tsuen Fanling, Hong Kong, CN (AllExceptUS)
Inventors:
WONG, Sui-Kay; CN
CHEUNG, Kwok, Yau (William); CN
LEUNG, Wai-Hung; US
Priority Data:
60/566,29829.04.2004US
Title (EN) DIGITAL NOISE FILTER SYSTEM AND RELATED APPARATUS AND METHOD
(FR) SYSTEME A FILTRE ANTIPARASITE NUMERIQUE ET PROCEDE ET DISPOSITIF ASSOCIES
Abstract:
(EN) The invention provides a programmable, power-efficient, hearing aid and cell phone-compatible system for selectively filtering continuous mechanical noise which includes a programmable, user-adjustable DSP (19) comprising a multiband equalizer (23), noise reduction and anti-feedback function (21), and advanced gain control (AGC) volume control (25).
(FR) L'invention concerne un système programmable, à faible consommation d'énergie et compatible avec les appareils auditifs et les téléphones cellulaires, qui permet de filtrer sélectivement les bruits mécaniques continus. Ce système comprend un processeur DSP programmable réglable par l'utilisateur (19), qui comprend un égaliseur multibande (23), une fonction anti-rétroaction et de réduction du bruit (21), ainsi qu'une commande de volume (25) à commande de gain avancée (AGC) (25).
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Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)