IL118563A - Linear coverage area antenna system for a CDMA communication system - Google Patents

Linear coverage area antenna system for a CDMA communication system

Info

Publication number
IL118563A
IL118563A IL11856396A IL11856396A IL118563A IL 118563 A IL118563 A IL 118563A IL 11856396 A IL11856396 A IL 11856396A IL 11856396 A IL11856396 A IL 11856396A IL 118563 A IL118563 A IL 118563A
Authority
IL
Israel
Prior art keywords
coverage area
linear coverage
spread spectrum
area antenna
user directed
Prior art date
Application number
IL11856396A
Other languages
English (en)
Other versions
IL118563A0 (en
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL118563A0 publication Critical patent/IL118563A0/xx
Publication of IL118563A publication Critical patent/IL118563A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891—Space-time diversity
    • H04B7/0894—Space-time diversity using different delays between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/203—Leaky coaxial lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0671—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different delays between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
IL11856396A 1995-06-07 1996-06-04 Linear coverage area antenna system for a CDMA communication system IL118563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/483,111 US5602834A (en) 1990-12-07 1995-06-07 Linear coverage area antenna system for a CDMA communication system

Publications (2)

Publication Number Publication Date
IL118563A0 IL118563A0 (en) 1996-10-16
IL118563A true IL118563A (en) 2000-08-31

Family

ID=23918703

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11856396A IL118563A (en) 1995-06-07 1996-06-04 Linear coverage area antenna system for a CDMA communication system

Country Status (15)

Country Link
US (1) US5602834A (ko)
EP (2) EP1715601A1 (ko)
JP (1) JP3150981B2 (ko)
KR (1) KR100422195B1 (ko)
CN (1) CN1096160C (ko)
AT (1) ATE336113T1 (ko)
AU (1) AU700300B2 (ko)
DE (1) DE69636435T2 (ko)
EA (1) EA000519B1 (ko)
ES (1) ES2268709T3 (ko)
FI (2) FI119671B (ko)
HK (1) HK1010954A1 (ko)
IL (1) IL118563A (ko)
TW (1) TW311306B (ko)
WO (1) WO1996041430A1 (ko)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6088592A (en) * 1996-03-25 2000-07-11 Airnet Communications Corporation Wireless system plan using in band-translators with diversity backhaul to enable efficient depolyment of high capacity base transceiver systems
US6101176A (en) * 1996-07-24 2000-08-08 Nokia Mobile Phones Method and apparatus for operating an indoor CDMA telecommunications system
US6900775B2 (en) 1997-03-03 2005-05-31 Celletra Ltd. Active antenna array configuration and control for cellular communication systems
KR20050098028A (ko) 1997-03-03 2005-10-10 셀레트라 리미티드 통신 개선 방법 및 시스템
US6885846B1 (en) * 1997-03-31 2005-04-26 Texas Instruments Incorporated Low power wireless network
CA2240153A1 (en) * 1997-06-12 1998-12-12 Radio Communication Systems Ltd. Radio pbx for personal communications system
DE19732503A1 (de) 1997-07-29 1999-02-04 Alsthom Cge Alcatel Anordnung zur Übertragung, zur Abstrahlung und zum Empfang von Hochfrequenz-Signalen
JP3095065B2 (ja) * 1997-09-11 2000-10-03 日本電気株式会社 スペクトル拡散信号のレイク受信方法およびレイク受信装置
US6125109A (en) * 1998-02-24 2000-09-26 Repeater Technologies Delay combiner system for CDMA repeaters and low noise amplifiers
US6205127B1 (en) * 1998-04-21 2001-03-20 Lucent Technologies, Inc. Wireless telecommunications system that mitigates the effect of multipath fading
US5978365A (en) * 1998-07-07 1999-11-02 Orbital Sciences Corporation Communications system handoff operation combining turbo coding and soft handoff techniques
US6459725B1 (en) 1998-07-31 2002-10-01 Qualcomm Incorporated Wireless repeater with improved diversity
US6166622A (en) * 1998-10-28 2000-12-26 Texas Instruments Incorporated Time slot structure for improved TPC estimation in WCDMA
US6560441B1 (en) 1999-04-15 2003-05-06 Transcept, Inc. Low noise in-building distribution network for wireless signals
US6614776B1 (en) * 1999-04-28 2003-09-02 Tantivy Communications, Inc. Forward error correction scheme for high rate data exchange in a wireless system
GB2359221B (en) 2000-02-12 2004-03-10 Motorola Inc Distributed cellular telephone antenna system with adaptive cell configuration
JP3464645B2 (ja) 2000-08-30 2003-11-10 松下電器産業株式会社 無線受信装置
WO2004004401A1 (ja) * 2002-06-28 2004-01-08 Mitsubishi Denki Kabushiki Kaisha 無線通信機及び共通制御チャネルの受信方法
EP1418437A1 (en) * 2002-10-02 2004-05-12 ALSTOM Technology Ltd Method and electromagnetic sensor for measuring partial discharges in windings of electrical devices
FR2862451B1 (fr) * 2003-11-17 2006-03-31 Puissance 6 I Dispositif de communication sans fil entre les antennes gsm et des baies
CN100568761C (zh) * 2005-01-31 2009-12-09 株式会社日立国际电气 基站间同步系统及方法
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
EP1876728B1 (fr) 2006-07-07 2014-01-01 E-Blink Procédé de synchronisation de deux dispositifs électroniques d'une liaison sans fil, notamment d'un réseau de téléphonie mobile et système de mise en oeuvre de ce procédé
GB2460112A (en) * 2008-05-19 2009-11-25 Nokia Corp Controlling transmission diversity by delaying a signal on a second transmit path relative to a first transmit path
GB2466280A (en) * 2008-12-18 2010-06-23 Inmarsat Global Ltd Multi-access communication in which plural transmissions share timing and frequency resources but have different waveforms or propagation characteristics
EP2226890A1 (en) * 2009-03-03 2010-09-08 Hitachi Cable, Ltd. Mobile communication base station antenna
FR2956934B1 (fr) 2010-02-26 2012-09-28 Blink E Procede et dispositif d'emission/reception de signaux electromagnetiques recus/emis sur une ou plusieurs premieres bandes de frequences.
US9099956B2 (en) 2011-04-26 2015-08-04 King Abdulaziz City For Science And Technology Injection locking based power amplifier
US8700026B2 (en) 2011-05-10 2014-04-15 King Abdulaziz City For Science And Technology Controlled mobile communication as a service in a coverage area bounded by radiating cables
FR2990315B1 (fr) 2012-05-04 2014-06-13 Blink E Procede de transmission d'informations entre une unite emettrice et une unite receptrice
US10897341B2 (en) * 2012-07-18 2021-01-19 Nokia Solutions And Networks Oy Detecting intermodulation in broadband communication affecting receiver sensitivity
US9577341B2 (en) 2013-11-12 2017-02-21 Harris Corporation Microcellular communications antenna and associated methods
EP3552318B1 (en) * 2016-12-09 2020-09-30 Telefonaktiebolaget LM Ericsson (publ) Improved antenna arrangement for distributed massive mimo
US10581172B2 (en) 2017-09-20 2020-03-03 Harris Corporation Communications antenna and associated methods
US10720710B2 (en) 2017-09-20 2020-07-21 Harris Corporation Managed access system including surface wave antenna and related methods
US11564188B2 (en) 2017-10-17 2023-01-24 Telefonaktiebolaget Lm Ericsson (Publ) Distributed MIMO synchronization
WO2019101290A1 (en) 2017-11-21 2019-05-31 Telefonaktiebolaget Lm Ericsson (Publ) Improved antenna arrangement for distributed massive mimo
WO2020078537A1 (en) 2018-10-16 2020-04-23 Telefonaktiebolaget Lm Ericsson (Publ) Disturbance mitigation in a wireless communication system
CN110830069B (zh) * 2019-10-15 2021-08-13 内江喜马雅拉网络技术有限公司 一种节约成本的室内信号均衡分配系统及方法
CN110868721B (zh) * 2019-10-15 2021-10-12 内江喜马雅拉网络技术有限公司 一种室内信号的均衡分配系统及方法
US11777619B2 (en) 2020-02-10 2023-10-03 Telefonaktiebolaget Lm Ericsson (Publ) Dielectric waveguide signal transfer function compensation

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383327A (en) * 1980-12-01 1983-05-10 University Of Utah Radiographic systems employing multi-linear arrays of electronic radiation detectors
US4672605A (en) * 1984-03-20 1987-06-09 Applied Spectrum Technologies, Inc. Data and voice communications system
GB2171576B (en) * 1985-02-04 1989-07-12 Mitel Telecom Ltd Spread spectrum leaky feeder communication system
US4761778A (en) * 1985-04-11 1988-08-02 Massachusetts Institute Of Technology Coder-packetizer for random accessing in digital communication with multiple accessing
US4672658A (en) * 1985-10-16 1987-06-09 At&T Company And At&T Bell Laboratories Spread spectrum wireless PBX
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
JPS63114333A (ja) * 1986-10-31 1988-05-19 Nec Home Electronics Ltd 無線バスシステム
CA1290020C (en) * 1987-02-09 1991-10-01 Steven Messenger Wireless local area network
US4820036A (en) * 1987-05-11 1989-04-11 Wilson Seet Headband for retention of glasses
US4920348A (en) * 1987-10-08 1990-04-24 Baghdady Elie J Method and apparatus for signal modulation and detection
US4841527A (en) * 1987-11-16 1989-06-20 General Electric Company Stabilization of random access packet CDMA networks
US4914675A (en) * 1988-01-28 1990-04-03 General Electric Company Apparatus for efficiently packing data in a buffer
CH676179A5 (ko) * 1988-09-29 1990-12-14 Ascom Zelcom Ag
SE464551B (sv) * 1989-09-12 1991-05-06 Ericsson Telefon Ab L M Foerfarande foer att minska risken foer daalig mottagning i ett tidsmultiplext radiokommunikationssystem
GB2237706A (en) * 1989-11-03 1991-05-08 Racal Res Ltd Radio communications link with diversity
US5109390A (en) 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5101501A (en) * 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
US5073900A (en) * 1990-03-19 1991-12-17 Mallinckrodt Albert J Integrated cellular communications system
US5018165A (en) * 1990-03-21 1991-05-21 Andrew Corporation Communication system using spread spectrum and leaky transmission line
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
IL100213A (en) * 1990-12-07 1995-03-30 Qualcomm Inc Mikrata Kedma phone system and its antenna distribution system
US5513176A (en) * 1990-12-07 1996-04-30 Qualcomm Incorporated Dual distributed antenna system
GB9103459D0 (en) * 1991-02-19 1991-04-03 Cross Mfg Co Brush seal assembly
JPH05268128A (ja) * 1992-03-18 1993-10-15 Kokusai Denshin Denwa Co Ltd <Kdd> Ｃｄｍａ通信方式
ZA938324B (en) * 1992-11-24 1994-06-07 Qualcomm Inc Pilot carrier dot product circuit
US5289499A (en) * 1992-12-29 1994-02-22 At&T Bell Laboratories Diversity for direct-sequence spread spectrum systems
AU672054B2 (en) * 1992-12-30 1996-09-19 Radio Communication Systems Ltd. Bothway RF repeater for personal communications systems
US5507035A (en) * 1993-04-30 1996-04-09 International Business Machines Corporation Diversity transmission strategy in mobile/indoor cellula radio communications
US5442627A (en) * 1993-06-24 1995-08-15 Qualcomm Incorporated Noncoherent receiver employing a dual-maxima metric generation process
US5490165A (en) 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
KR960027492A (ko) * 1994-12-23 1996-07-22 권혁조 디지탈 코드분할 다원접속 셀룰라용 중계방법
US5654979A (en) 1995-01-13 1997-08-05 Qualcomm Incorporated Cell site demodulation architecture for a spread spectrum multiple access communication systems
KR100216349B1 (ko) * 1996-05-09 1999-08-16 윤종용 코드분할다중접속 통신시스템의 전파중계장치

Also Published As

Publication number Publication date
EP0830754B1 (en) 2006-08-09
TW311306B (ko) 1997-07-21
AU700300B2 (en) 1998-12-24
KR19990022623A (ko) 1999-03-25
DE69636435T2 (de) 2007-02-22
WO1996041430A1 (en) 1996-12-19
EP1715601A1 (en) 2006-10-25
FI974421A0 (fi) 1997-12-05
ATE336113T1 (de) 2006-09-15
JP3150981B2 (ja) 2001-03-26
EA000519B1 (ru) 1999-10-28
EA199800016A1 (ru) 1998-06-25
DE69636435D1 (de) 2006-09-21
FI120282B (fi) 2009-08-31
CN1096160C (zh) 2002-12-11
CN1192833A (zh) 1998-09-09
FI119671B (fi) 2009-01-30
ES2268709T3 (es) 2007-03-16
FI974421A (fi) 1998-02-04
JPH11507483A (ja) 1999-06-29
EP0830754A1 (en) 1998-03-25
KR100422195B1 (ko) 2004-07-01
IL118563A0 (en) 1996-10-16
FI20060634A (fi) 2006-06-30
AU6329596A (en) 1996-12-30
US5602834A (en) 1997-02-11
HK1010954A1 (en) 1999-07-02

Similar Documents

Publication Publication Date Title
HK1010954A1 (en) Linear coverage area antenna system for a cdma communication system
HK1015201A1 (en) Dynamic sectorization in a spread spectrum communication system.
CA2139919A1 (en) CDMA/TDD Radio Communication System
EP0822670A3 (en) Sequence generation for asynchronous spread spectrum communication
ATE233971T1 (de) Sender/empfänger mit zwei betriebsarten
CA2679170A1 (en) Synchronous spread-spectrum communications system and method
KR910000305B1 (en) Portable radio communication apparatus with diversity receiver function
WO1999005801A3 (en) Method and apparatus for data transmission using time gated frequency division duplexing
FI951669A0 (fi) Radiotietoliikenteen lähetin/vastaanotin
CA2274065A1 (en) Method and system for optimizing a traffic channel in a wireless communications system
EP0987913A3 (en) Spread spectrum cdma transmitter
EP0827296A3 (en) CDMA communication system
EP1303057A3 (en) Quadrature receiver for spread spectrum signals
CA2100847A1 (en) Precoding of Signature Sequences for CDMA Systems
NO307199B1 (no) Arrangement for å måle en mottakerantennes tilstand
FI960875A0 (fi) Diversiteettivastaanottoa käyttävä tukiasemalaite
CA2127673A1 (en) Radio Communication System
ATE322800T1 (de) Mobilstation mit integrierten funkübertragungs- und lokalisierungs-funktionen und verfahren dafür
FI935560A (fi) Tiedonsiirtomenetelmä, CDMA-lähetin sekä -vastaanotin
FR2754961B1 (fr) Dispositif formant antenne d&#39;emission et/ou de reception de signaux radioelectriques
JPH0819053A (ja) データ通信装置
TH23503A (th) &#34; ตัวประมวลสัญญาณเครื่องรับส่งสัญญาณ สำหรับอุปกรณ์สื่อสารไร้สาย แบบดิจิตัล &#34;
DE50010089D1 (de) Kommunikationssystem für Gebiet mit eingeschränkten Empfangsmöglichkeiten

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees