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发明名称
摘要
申请公布号
JPS6427433(U)
申请公布日期
1989.02.16
申请号
JP19870121294U
申请日期
1987.08.07
申请人
发明人
分类号
F02B29/04;(IPC1-7):F02B29/04
主分类号
F02B29/04
代理机构
代理人
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地址
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Glove chamber in which nitrogen oxides are formed - incorporates appts. for converting them to carbon dioxide and nitrogen
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Control of async. motor - uses thyristor rectifier bridge and thyristor oscillator receiving variable frequency three-phase supply
Musical instrument or sports racquet strings - formed from tows of multifilaments impregnated with thermosetting resin which is partially polymerised before twisting string
Junction block for receiving contact pins - has groove in pin socket locating ridge in sleeve of contact pin
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Figure for game of table football - has limbs of springy material to propel ball when pulled back manually and released
Control voltage pulse generator - has feedback loop around linear gate with comparator producing logic control signals
Optical scanning of magnetic disc marker holes - using LED scanner with wavelength characteristic of magnetic particle size to avoid errors
Parallel to serial pulse converter - has two sets of flip=flops blocking operation of all but one output to provide serial transmission
Pinch screw terminal block - has movable insulated contact rod which can make or break pairs of contacts
Memory matrix with fast access time - has matrix subdivided and additional decoder for each section reducing access time for same capacity
Small samples preparation for instrumental analysis - involves linishing on a backing member
Aluminium inner and outer window frame - consists of identical members, reversed, with recesses for concealed securing nuts
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Electric circuit for protecting an underground pipe - from the cathodic protection current used for another underground pipe (CS 15.9.77)
Single-sided galvanising metal strip - using intermediate reservoir for air tightness and without cleaning of the non-galvanised side
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