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
TELEPHONE LINE CONCENTRATOR SIGNALING SYSTEM
摘要
申请公布号
CA812300(A)
申请公布日期
1969.05.06
申请号
CAD812300
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
CHARLES W. ZEBE
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Plastics electronic meter case without screws - has slide=in battery box with plate spring connectors and interchangeable front
Butterfly valve disc seal - has profiled rings fixed to disc and in housing with resilient lips in mutually sealing engagement when shut
Locking device for contacts of multipole connector - has contact with constriction engaged by spring arm on cover
Folding wing mirror mounting - has inside edge of mirror housing formed with gear teeth meshing with fixed cam on support stalk
Sluggish flowing sewer deposit clearing device - is compact pref. round or spherical flushing body inserted in wider duct
Vibrator actuated by pressure fluid - has elastic collar which oscillates to impart vibrations to working platform
Generator with axially movable rotor - has nut attached to rotor core running in thread cut in shaft to move rotor in response to power demand
Variable-frequency oscillator with two phase shifted outputs - has narrow band phase shifter, fixed-frequency auxiliary oscillator and two mixers coupled to local oscillator
Permanently increasing conductivity of graphite fibre prod. - by intercalation by electrochemical treatment, gives prod. useful in electric circuits and motors
Brominated phenol prepn. - from phenol, aq. hydrogen bromide and hydrogen peroxide giving pure prods.
Dental or medical X=ray appts. - has electron beam target carrier with ceramic window for sidewardly laterally passing X=rays emitted from target
Dental and medical X=ray appts. - has X=ray shielding and tongue suppressor removably mounted on tubular carrier for electron beam target
Code correction process for automobile identification system - has code gating stage coupled to arithmetic processing stage for error correction
Round or polygonal tablet dispenser - grips next tablet resiliently between spring loaded slide and base strip
Skin cleaning compsn. for removing lead - contains alkali sulphate and phosphate, filler, wool fat and Vaseline (RTM)
Germicidal mouth- and throat-care compsns. - contg. a water-soluble germicide e.g. chlorhexidine and a polysaccharide e.g. dextran
Centrally controlled telephone exchange - has extra memory banks used for semi-permanent signals read cyclically in normal operation
Detecting priority of interruption signals - using priority gates with multiple inputs, which bridge connection points of assemblies if assembly is missing
Digital phase multiplier circuit for control devices - has store and two counters, with comparator between store and second counter
Zeolite prodn. with low fluoride content - in calcium fluoride mfr. from hexa:fluorosilicic acid by adding aluminium sulphate during pptn. to give stable silica sol.