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发明名称
被动红外线探测器
摘要
1.本外观设计产品的名称:被动红外线探测器。2.本外观设计产品的用途:本外观设计产品用于用于安保报警功能。3.本外观设计产品的设计要点:外观形状。4.最能表明本外观设计设计要点的图片或照片:主视图。
申请公布号
CN302936368S
申请公布日期
2014.09.10
申请号
CN201430060590.8
申请日期
2014.03.24
申请人
李瑞发
发明人
李瑞发
分类号
10-05
主分类号
10-05
代理机构
代理人
主权项
地址
362300 福建省泉州市南安梅山镇蓉中村尾宫23号
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Safety coupling for motorised gate drive - has rotatable cam with sprung ball catch acting as torque-responsive release mechanism
Valve for controlling bottle gas supply to cooking stove - uses resilient porous plug to give fine control or flow
Knee-pads etc. made of one-piece expanded polyethylene sheet - to provide good protection opposite limb joints
Large capacity vehicle for public transport - has heating and air conditioning equipment in box under floor with double floor acting as air ducting housing heat exchangers
Heat-shrink sheath for cable joint - shrinks peripherally but not longitudinally and has longitudinal grooves for U=clip that holds edges of sheath together
Appts. for rehabilitating lower limbs - is rigid platform with hemispheres fixed underneath
Vacuum cleaner attachment for use on floor or carpet - has brush plate in housing with two pedals to lower or raise brushes as required
Induction heated oven partic. for metals - has three vertical channels and is driven from an external winding
Loudspeaker system reproducing bass to treble frequencies - has membranes acceleration measured to provide feedback for loudspeaker and power amplifier
Sample and hold circuit for binary signals - has flip=flop comprising two pairs of complementary FETS
Two=wire to four=wire coupler in telephone system - includes amplifier and transformer with specified connection system
Connector module for light track device - has pair of clamp fixtures each with form of inverted U and with legs inclined upwards toward base