Invention Grant
- Patent Title: Remaining battery charge measuring circuit, electronic device, and remaining battery charge measuring method
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Application No.: US15886935Application Date: 2018-02-02
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Publication No.: US10705150B2Publication Date: 2020-07-07
- Inventor: Jun-ichi Nagata
- Applicant: FUJITSU LIMITED
- Applicant Address: JP Kawasaki
- Assignee: FUJITSU LIMITED
- Current Assignee: FUJITSU LIMITED
- Current Assignee Address: JP Kawasaki
- Agency: Fujitsu Patent Center
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@578c3499
- Main IPC: G01R31/3842
- IPC: G01R31/3842 ; G01R31/392 ; G01R31/385 ; G01R31/388 ; H02J7/00
Abstract:
A remaining battery charge measuring circuit for measuring remaining charge of a battery, includes: an LC circuit including an inductance element and a capacitance element; and a switch element that controls coupling between the battery and the LC circuit, wherein the switch element disconnects the LC circuit from the battery, based on a resonant frequency by the LC circuit.
Public/Granted literature
Information query
