Invention Grant
US07649343B2 Charge control circuit, charging device, and connection checking method
失效
充电控制电路，充电装置和连接检查方法
- Patent Title: Charge control circuit, charging device, and connection checking method
- Patent Title (中): 充电控制电路，充电装置和连接检查方法
-
Application No.: US11710900Application Date: 2007-02-27
-
Publication No.: US07649343B2Publication Date: 2010-01-19
- Inventor: Tomohiko Kamatani
- Applicant: Tomohiko Kamatani
- Applicant Address: JP
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP
- Agency: Dickstein Shapiro LLP
- Priority: JP2006-052700 20060228
- Main IPC: H02J7/06
- IPC: H02J7/06 ; H02J7/00 ; H02J7/04
Abstract:
Electrical connection between a charging device and a secondary battery is checked during a wait time in which a charge mode of the charging device is selected. When the electrical connection is not successfully established, a charge current is not supplied from the charging device to the secondary battery.
Public/Granted literature
- US20090189572A1 Charge control circuit, charging device, and connection checking method Public/Granted day:2009-07-30
Information query
