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
SECURITY HANDSET
摘要
申请公布号
EP0365741(A3)
申请公布日期
1991.02.06
申请号
EP19890108417
申请日期
1989.05.10
申请人
NORTHERN TELECOM LIMITED
发明人
MCCLAIN, DONALD T.
分类号
H04M1/68;H04M1/03;H04M1/06;H04M1/08;H04M1/19;(IPC1-7):H04M1/68
主分类号
H04M1/68
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SLUICE GATE
WORKING DEVICE AT HIGH LOCATION THAT USE CRANE CAR
DC VOLTAGE CONTROL DEVICE
METHOD OF PURIFYING OILS
ELECTROMAGNETIC DEVICE
NARROW-BAND ELECTRONIC RELAY
P-PHENYLENEDIAMINES N,N'-DISUBSTITUEES, LEUR PROCEDE DE PREPARATION ET LEUR APPLICATION COMME ANTI-OXYDANTS ET ANTI-OZONANTS
FREMGANGSMAATE TIL BESTEMMELSE AV FARMAKOLOGISK, IMMUNOLOGISK OG BIOKJEMISK AKTIVE FORBINDELSER I BIOLOGISKE VAESKER
SYSTEM FOR EVALUATING EFFECT OF MEDICINE
KATALYSATORKOMPONENTER FOR POLYMERISERING AV ALFA-OLEFINER
DISC OF SUPPORTING BLADE OF GAS TURBINE ENGINE
Glass filaments sheathed in non-flammable PVC thread - can be knitted to give highly resistant fabrics
Mushroom valve hot formed from valve steam - is heated by induction and pressed hydraulically onto anvil
Control system for solar heating installation - monitors temperatures at collector, exchanger inlet and storage tank auxiliary heating
Thread bobbin winding device - has drive motor, reel and supports housed in box whose top forms working surface
Matrix arrangement of microfilms - uses association of 2 times 2 sub-matrices, each referenced with every microfilm having identifiable position in sub-matrix
Hydraulic jack with low torque servo motor control - has ball screw to rotate valve plunger to restore it to initial position
Double U=bent heat exchanger tube nest - has high pressure fluid connection between tubes for scale removal
Heat exchanger tube support in flue - has hair pin shape tubes supported on horizontal strips on vertical brackets
Film projector light source modulator - has diaphragm aperture set in proportion to control voltage adjusted by potentiometer