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Multi-camera video recording system for vehicles
申请公布号：US5978017(A)
申请号：US19970835409
申请日期：1997.04.08
申请公布日期：1999.11.02
发明人：TINO, JERALD N.
分类号：B60Q1/52;B60R1/00;H04N7/18;(IPC1-7):H04N7/18
主分类号：B60Q1/52
摘要：A video recording system for vehicles including a video recorder having an electronic record control input port and a video signal input port; a four-to-one video multiplexer having four multiplexer video signal input ports and one multiplexer video signal output port, the multiplexer video signal output port being in transmitting connection with the video signal input port of the video recorder; an activation switch in electrical connection with the electronic record control input port of the video recorder; and a rear view mirror/camera assembly having four video cameras each with a wide angle fish-eye lens and a camera video signal output port in transmitting connection with one of the four multiplexer video signal input ports, one fish-eye lens being aimed toward the front of the vehicle, one fish-eye lens being aimed at the rear of the vehicle, one fish-eye lens being aimed at the driver seat portion of the passenger compartment, and one fish-eye lens being aimed at the front passenger seat portion of the passenger compartment, the four-to-one video multiplexer switching the camera video signals received at its four multiplexer video signal input ports sequentially to the multiplexer video signal output port in response to an activation signal from the activation switch to the video recorder control input port.