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公开(公告)号:USD576960S1
公开(公告)日:2008-09-16
申请号:US29296161
申请日:2007-10-15
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公开(公告)号:USD576959S1
公开(公告)日:2008-09-16
申请号:US29296158
申请日:2007-10-15
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公开(公告)号:US20170085319A1
公开(公告)日:2017-03-23
申请号:US15236273
申请日:2016-08-12
IPC分类号: H04B10/116 , H04L12/40 , H04Q11/00
CPC分类号: H04B10/116 , H04L12/40 , H04L2012/40215 , H04Q11/0003
摘要: Techniques for communicating lighting commands through a controller area network (CAN) bus of a light bar system include generating a light code message. The light code message has a metadata portion and a value portion. The metadata portion defines a purpose of value portion. The value portion controls a state of a lighting device (e.g., a keypad's LED brightness or activation of a directional light module) in the light bar system. A data field is generated by encapsulating the light code message with an ISO-TP single frame header and a message subtype. A CAN controller generates a CAN message having an extended frame format and the data field. The CAN message is then transmitted through the CAN bus.
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