发明名称 VOLTAGE DROP ALARM DEVICE
摘要 PURPOSE:by detecting the voltage level change of a capacitor of which periodic setting operation is not performed owing to the drop of a power supply voltage when the operation of an oscillation circuit and a frequency-division circuit is suspended the drop of the power supply voltage is notified of without a malfunction.
申请公布号 JPS5246455(A) 申请公布日期 1977.04.13
申请号 JP19750122814 申请日期 1975.10.09
申请人 MATSUSHITA DENKI SANGYO KK;NIPPON DENSHIN DENWA KOSHA 发明人 HORI TATSUYUKI;KATANO TSUYOSHI;ARAKAWA KATSU;YAMAMOTO MASAHIKO;MAKI ICHIROU;HAGIHIRA TADATOSHI;WASAI HIROMI
分类号 H02J7/00;G01R31/36;G08B21/00;H02H3/24;H02H3/247;H02J1/00;H04B1/16 主分类号 H02J7/00
代理机构 代理人
主权项
地址