首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
OPTICAL FREQUENCY DIVISION MULTIPLEXING NETWORK
摘要
申请公布号
EP0488241(A3)
申请公布日期
1993.04.21
申请号
EP19910120309
申请日期
1991.11.27
申请人
HITACHI, LTD.
发明人
TAKAI, ATSUSHI;TAKEYARI, RYOJI, HITACHI DAIYON KYOSHINRYO;TAKASE, AKIHIKO
分类号
H04B10/20;H04J14/02;H04Q3/60;H04Q11/00;(IPC1-7):H04J14/02
主分类号
H04B10/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
СПОСОБ ДРОБЛЕНИЯ КУСКОВОЙ ГОРНОЙ ПОРОДЫ И ЩЕКОВАЯДРОБИЛКА ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ
РЕГЕНЕРАТОР КОСТНОЙ ТКАНИ
ЗАМЕЩЕННЫЕ ПРОИЗВОДНЫЕ АМИНОФУРАН-2-ИЛУКСУСНОЙ КИСЛОТЫ И АМИНОТИЕН-2-ИЛУКСУСНОЙ КИСЛОТЫ И ИХ ПРИМЕНЕНИЕ ДЛЯ ЛЕЧЕНИЯ МИГРЕНИ И БОЛИ
СПОСОБ ОПРЕДЕЛЕНИЯ ВОЗДЕЙСТВИЯ ВЕЩЕСТВА НА ЖИВЫЕ КЛЕТКИ
DISTRIBUTEUR DE PRODUIT LIQUIDE OU PATEUX
ADSORBEUR TANGENTIEL UNIVERSEL
MUTANTS DE LA PROTEINE TAT DU VIRUS VIH-1
Sports, entertainment/advertising shoe, has housing receiving module with electronic assembly including microprocessor, sound generator, amplifier stage and battery for generating sound message and loud speaker for emitting message
Doll dressing and undressing facilitating device for children, has surface of scratches fixed on doll, where surface is inverse to surface of scratches fixed on dress that is fixed with doll by simple pressing of scratches
Ash tray for use in bar, has case with rotor including four blades adapted for evacuating cigarette butts towards water reserve for extinguishing fire and evacuating cigarette butts towards water tight mini-bin
Fuel e.g. diesel oil, supply device for motor vehicles internal combustion engine, has complementary prefilter that is at greater distance from bottom of pot of storage tank than prefilter, to suck fuel in zone away from pot
New light-protective active agent, useful in skin-protective cosmetics, obtained from Jasminum plant material by enzymatic hydrolysis in basic aqueous glycol, separating phases and concentrating
DISPOSITIF DE DECOUPE POUR EMBALLAGE ALIMENTAIRE
APPARATUS AND METHOD FOR DOWNLOADING AND REPRODUCING IMAGE RELATED TO POSITION INFORMATION IN NAVIGATION SYSTEM
HEART SHAPED TABLET FOR LAUNDRY USE
MEDIA FILTRANT PERFECTIONNE ET UTILISATION DUDIT MEDIA FILTRANT POUR LA DEPOLLUTION DES LAGUNES
DEVICE AND METHOD FOR RECORDING INFORMATION WITH CHARACTERISTIC POINT INFORMATION CONTROL
SECURE WIRELESS LOCAL OR METROPOLITAN AREA NETWORK AND RELATED METHODS
PUBLIC KEY CERTIFICATE REVOCATION LIST GENERATION APPARATUS, REVOCATION JUDGEMENT APPARATUS, AND AUTHENTICATION SYSTEM
COUPLING FOR GLASS FIBER CONNECTORS WITH RETROFITTABLE SECURITY VALVE
