Tag Archives: shut-off

Method and device for temporary shut-off of personal electronic device at particular place

Application Number: 00112802Application Date: 2000.03.27Publication Number: 1315817Publication Date: 2001.10.03Priority Information: International: H04Q7/34Applicant(s) Name: Dai YishengAddress: Inventor(s) Name: Dai YishengPatent Agency Code: 00000Patent Agent: Abstract A method for temporary shut-off personal electronic devices at particular place and its equipment are disclosed. It features that a power supply which can be remote-controlled by electromagnetic signals to turn… Read More »

Low-loss absorption circuit with overvoltage shut-off by shutting-gate thuristor

Application Number: 00105938Application Date: 2000.04.21Publication Number: 1267962Publication Date: 2000.09.27Priority Information: International: H03K17/08;H03K17/732Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Liu Wenhua;Liang XuPatent Agency Code: 11201Patent Agent: luo wenqunAbstract The circuit includes one angular absorption circuit unit comprising two resistor-capacitor-diode absorption branches and one clamp capacitor, one open-armed current bridge absorption circuit unit comprising one anode reactor, one… Read More »