发明名称 VIDEO INTERCOM DEVICE
摘要 Provided is a video intercom device suppressing electric power consumption. The video intercom device adopts a configuration where the video intercom device performs wireless communication between a front door slave unit and an indoor master unit, the indoor master unit includes a wireless communication unit that requests the front door slave unit to be switched between a first communication method by which the front door slave unit periodically turns on a main power source and is in a sleep state when the main power source turns off, and a second communication method by which the front door slave unit turns on the main power source when an interrupt occurs and is in the sleep state when the main power source turns off, and the front door slave unit includes a controller that controls switching to a communication method requested from the indoor master unit.
申请公布号 US2016295174(A1) 申请公布日期 2016.10.06
申请号 US201614989909 申请日期 2016.01.07
申请人 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. 发明人 Yamamoto Takashi;Fukuda Shinji;Ohbuchi Ken
分类号 H04N7/18;H04N7/14 主分类号 H04N7/18
代理机构 代理人
主权项 1. A video intercom device that performs a wireless communication between a front door slave device and an indoor master device, wherein the indoor master device includes a wireless transmitter that requests the front door slave device to be switched between a first communication method and a second communication methodwherein, in the first communication method, the front door slave device periodically turns on and turns off a main power source, the front door slave device being in a sleep state when the main power source turns off, andin the second communication method, the front door slave device in the sleep state turns on the main power source when an interrupt signal is detected at the front door device, the front door slave device being in the sleep state when the main power source turns off, and wherein the front door slave device includes a processor that controls switching to a communication method requested from the indoor master device.
地址 Osaka JP