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1. (WO1998049740) RADIOTELEPHONES WITH INTEGRATED MATCHING ANTENNA SYSTEMS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1998/049740 International Application No.: PCT/US1998/008131
Publication Date: 05.11.1998 International Filing Date: 22.04.1998
Chapter 2 Demand Filed: 17.11.1998
IPC:
H01Q 1/24 (2006.01) ,H01Q 9/36 (2006.01) ,H01Q 11/08 (2006.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
Q
AERIALS
1
Details of, or arrangements associated with, aerials
12
Supports; Mounting means
22
by structural association with other equipment or articles
24
with receiving set
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
Q
AERIALS
9
Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
04
Resonant aerials
30
with feed to end of elongated active element, e.g. unipole
32
Vertical arrangement of element
36
with top loading
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
Q
AERIALS
11
Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
02
Non-resonant aerials, e.g. travelling-wave aerial
08
Helical aerials
Applicants:
ERICSSON, INC. [US/US]; 7001 Development Drive Research Triangle Park, NC 27709, US
Inventors:
HOLSHOUSER, Howard, Eugene; US
Agent:
RICHARDSON, Julie, H. ; Myers, Bigel, Sibley, & Sajovec, P.A. P.O. Box 37428 Raleigh, NC 27627, US
Priority Data:
08/841,19329.04.1997US
Title (EN) RADIOTELEPHONES WITH INTEGRATED MATCHING ANTENNA SYSTEMS
(FR) RADIOTELEPHONES A SYSTEMES D'ANTENNE ADAPTES ET INTEGRES
Abstract:
(EN) Radiotelephones configured with integrated matching circuit components in the housing and antenna are disclosed. The present invention configures the antenna and the associated housing receiving passage to define a capacitor and inductor to match the differing impedances generated by retractable top load antennas (retracted and extended impedances) without requiring a separate switching circuit and wiping contacts.
(FR) L'invention concerne des radiotéléphones dotés de composants de circuit d'adaptation intégrés, situés dans le boîtier, et une antenne. Ladite antenne et le passage de logement associé du boîtier définissent un condensateur et un inducteur de sorte que les impédances différentes générées par les antennes verticales escamotables (impédances en position rentrée et sortie) soient adaptées sans qu'un circuit de commutation séparé et que des contacts glissants soient nécessaires.
front page image
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE, GH, GM, GW, HU, ID, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, UZ, VN, YU, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, SD, SZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
AU1998071488