论文部分内容阅读
专利申请号:CN200820157438.0公开号:CN201392237申请日:2008.12.19公开日:2010.01.27申请人:上海精密科学仪器有限公司本实用新型涉及一种天平去扰自校电路,包括中央微处理器、信号锁定电路一、与非门控制电路、积分电路、减码触点开关、加码机构、加码触点开关、上拉电阻、电机、信号锁定电路二,中央微处理器发出指令,由信号锁定电路一和信号锁定电路二锁定指令,在与非门控制电路和积分电路的共同作用下,使得减码触点开关在天平内自校加码
Patent application number: CN200820157438.0 Publication number: CN201392237 Application date: 2008.12.19 Publication date: 2010.01.27 Applicant: Shanghai Precision Scientific Instrument Co., Ltd. The utility model relates to a balance descramble self-calibration circuit, including a central microprocessor , The signal lock circuit A NAND gate control circuit, integral circuit, reduced code contact switch, plus coding mechanism, plus contact switch, pull-up resistor, motor, signal locking circuit Second, the central microprocessor instructions issued by the signal lock Circuit and signal locking circuit two locking instructions, and non-door control circuit and the integral circuit under the joint action, making the code reduction contact switch within the balance of self-school plus code