Tag Archives: Microearth

Microearth current detecitng instrument

Application Number: 00109786Application Date: 2000.07.07Publication Number: 1332379Publication Date: 2002.01.23Priority Information: International: G01V3/08Applicant(s) Name: Kong LingchangAddress: Inventor(s) Name: Kong LingchangPatent Agency Code: 11241Patent Agent: wu zhongrenAbstract The microearth current detecting instrument incldues a sealed insulating casing and a signal detecting amplifier circuit board with an AD515 type electrostatic operation amplifier, which has pin 2 connected to… Read More »