WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Options
Query Language
Stem
Sort by:
List Length
Some content of this application is unavailable at the moment.
If this situation persist, please contact us atFeedback&Contact
1. (WO1999009761) INFRARED WIRELESS HEADSET SYSTEM
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1999/009761 International Application No.: PCT/US1998/016752
Publication Date: 25.02.1999 International Filing Date: 12.08.1998
Chapter 2 Demand Filed: 12.03.1999
IPC:
H04M 1/737 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
M
TELEPHONIC COMMUNICATION
1
Substation equipment, e.g. for use by subscribers
72
Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting
725
Cordless telephones
737
characterised by transmission of electromagnetic waves other than radio waves, e.g. infra-red waves
Applicants: GN NETCOM/UNEX INC.[US/US]; 77 Northeastern Boulevard Nashua, NH 03062, US
Inventors: LUCEY, Robert, E.; US
Agent: GAGNEBIN, Charles, L., III ; Weingarten, Schurgin, Gagnebin & Hayes LLP Ten Post Office Square Boston, MA 02109, US
Priority Data:
08/911,22515.08.1997US
Title (EN) INFRARED WIRELESS HEADSET SYSTEM
(FR) SYSTEME DE CASQUE RADIO INFRAROUGE
Abstract:
(EN) A full duplex infrared communication system (12) suitable for use in connection with a telephone system (24).
(FR) Système de communication infrarouge duplex intégral (12) conçu pour être mis en application en combinaison avec un système téléphonique (24).
front page image
Designated States: AU, CA, NO
European Patent Office (EPO) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: English (EN)
Filing Language: English (EN)