Invention Grant
- Patent Title: Electric device and method of normality determination for communication function in such an electric device
- Patent Title (中): 这种电气设备中的通信功能的电气装置和正常方法
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Application No.: US12225659Application Date: 2007-03-19
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Publication No.: US07990260B2Publication Date: 2011-08-02
- Inventor: Sunao Ueda , Yasuaki Miyaba , Hisashi Sumida
- Applicant: Sunao Ueda , Yasuaki Miyaba , Hisashi Sumida
- Applicant Address: JP Osaka
- Assignee: Daikin Industries, Ltd.
- Current Assignee: Daikin Industries, Ltd.
- Current Assignee Address: JP Osaka
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2006-085903 20060327
- International Application: PCT/JP2007/055520 WO 20070319
- International Announcement: WO2007/119424 WO 20071025
- Main IPC: G08B26/00
- IPC: G08B26/00 ; G08B29/00
Abstract:
A normality determination unit determines that a communication function for an outdoor unit of its own is normal when receiving a signal from one of indoor units, and writes a normality flag into an EEPROM. Further, the normality determination unit determines that it is not asserted that the communication function for the outdoor unit of its own is normal when not receiving a signal from any of the indoor units for a predetermined time period, and deletes the normality flag in the EEPROM.
Public/Granted literature
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