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
总线型远程播音单元
摘要
总线型远程播音单元,包括本地音源、恒流发送器、指令产生器、指令调制器。本发明提供的总线型远程播音单元具有在广播室以外的任意地方利用公共广播系统进行播音、用户可以通过单一总线连接方式在很多位置安装该单元进行播音、并可以容纳多点同时或优先对广播系统播音、远程遥控公共广播主机的各种操作的优点。
申请公布号
CN1484395A
申请公布日期
2004.03.24
申请号
CN02143036.5
申请日期
2002.09.21
申请人
张恩迪
发明人
张恩迪
分类号
H04H1/00;H04S1/00
主分类号
H04H1/00
代理机构
代理人
主权项
1、总线型远程播音单元,其特征在于:包括本地音源:产生或输入本地播音的音频信号,并且送到恒流发送器;恒流发送器:接受输入的本地播音的音频信号,输出恒定电流信号到总线,该总线连接到公共广播系统主机。
地址
410001湖南省长沙市朝阳二村25栋西头601
您可能感兴趣的专利
Electrical fuse fabrication appts. - has two pins of flat cross-section pressed and formed from webs of high conductivity metal and interconnected by fusible conductor
Entrapping radioactive waste gases - by bubbling gas into silicate melt and rapidly solidifying
Telephone accessory indicating dialled number - uses small magnets attached to dial activating magnetic detector as dial is rotated
Sampler for pressurised gases or liquids - where electromagnet operates valve to remove sample from chamber through which gas or liq. flows
Fluid slide valve for feed to vehicle heater - uses arch section seal as spring minimising axial gap between slide and annular seats
Hydraulic control valve for plough hoist - automatically switches feed to second cylinder at end of first cylinder cycle using sliding spool
Sliding vane pump for vehicle braking - has inlet tube with non return valve to port in casing for eccentric rotor
Shell junction for waste-pipe - is moulded thermoplastics with integral flanges for attaching about pipe ends
Hardened moulded porous clay block mfr. - by expanding in mould a clay paste contg. two reacting blowing agents, then hardening away from air
Letter box divided into compartments - each has its own slot and locked door and sloping base
Feed hopper with rectangular sides and side outlet - has water jets around frame and over base for cleaning
RESERVOIR A CARBURANT EN MATIERE PLASTIQUE
ENSEMBLE CYLINDRE-PISTON AVEC UN RECIPIENT TUBULAIRE
SEMI-PRODUIT POUR LA PRODUCTION DE FIBRES OPTIQUES, PROCEDE DE PREPARATION DU SEMI-PRODUIT ET FIBRES OPTIQUES OBTENUES A PARTIR DU SEMI-PRODUIT
PROCEDE DE PRODUCTION DE FROID ET/OU DE CHALEUR PAR CYCLE A ABSORPTION UTILISABLE NOTAMMENT POUR LE CHAUFFAGE DE LOCAUX
CATALYSEUR POUR L'HYDROTRAITEMENT D'HUILES HYDROCARBONEES LOURDES CONTENANT DES ASPHALTENES, PROCEDE DE PREPARATION ET APPLICATION A L'HYDROTRAITEMENT D'HUILES HYDROCARBONEES
2'-DESOXY-3',5'-DI-O-ALKYLCARBONYL-5-FLUORO-URIDINES, LEUR PREPARATION ET LEUR UTILISATION THERAPEUTIQUE EN TANT QU'AGENTS ANTI-TUMEURS
APPAREIL RESPIRATOIRE
COMPOSITIONS CONTENANT LE NOYAU PYRROLIDINE ET LEUR UTILISATION COMME STABILISANTS CONTRE LES RAYONS ULTRAVIOLETS DANS LES MATIERES PLASTIQUES
APPAREIL MELANGEUR-PETRISSEUR DU TYPE FERME