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公开(公告)号：US09377526B2
公开(公告)日：2016-06-28
申请号：US14758858
申请日：2014-01-07
Applicant: DJP CO., LTD.
Inventor： Hanyong Kim , Kyungsoo Lim
CPC classification number: G01S7/022 , G01R29/0871 , G01S7/021 , G01S7/023 , G01S13/0209 , G01S13/343 , G01S13/347 , G01S13/931 , G08G1/052 , H03K5/125
Abstract: Provided is a broadband frequency detector, more particularly, to a frequency detector detecting all the signals for guiding the safe vehicle operation, and radar signals for determining vehicle speeds. The broadband frequency detector comprises: a horn antenna configured to receive signals having specific frequencies; a first amplifier configured to receive the signals having specific frequencies from the horn antenna; a mixer unit configured to receive signals from the first amplifier, wherein the signals are low noise amplified therein; and a second amplifier, arranged in parallel with the amplifier, for transferring signals to the mixer unit after low noise amplifying the signal received from the horn antenna, wherein the second amplifier includes a transistor and a first microwave circuit unit for matching the impedance of the horn antenna and the impedance of the transistor.
Abstract translation: 提供了宽带频率检测器，更具体地，涉及检测用于引导安全车辆操作的所有信号的频率检测器和用于确定车辆速度的雷达信号。 宽带频率检测器包括：喇叭天线，被配置为接收具有特定频率的信号; 第一放大器，被配置为从喇叭天线接收具有特定频率的信号; 混频器单元，被配置为从第一放大器接收信号，其中信号被低噪声放大; 以及与所述放大器并联布置的第二放大器，用于在从所述喇叭天线接收的信号低噪声放大之后将信号传送到所述混频器单元，其中所述第二放大器包括晶体管和第一微波电路单元， 喇叭天线和晶体管的阻抗。
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公开(公告)号：US20150263687A1
公开(公告)日：2015-09-17
申请号：US14428440
申请日：2013-09-09
Applicant: DJP CO., LTD.
Inventor： Hanyong Kim , Kyungsoo Lim
IPC: H03G3/20
Abstract: A frequency detector detecting all the signals for guiding the safe vehicle operation, and radar signals for determining vehicle speeds. The broadband frequency detector comprises: a horn antenna configured to receive signals having specific frequencies; a first amplifier configured to receive the signals having specific frequencies from the horn antenna; a mixer unit configured to receive signals from the first amplifier, wherein the signals are low noise amplified therein; and a second amplifier, arranged in parallel with the amplifier, for transferring signals to the mixer unit after low noise amplifying the signal received from the horn antenna.
Abstract translation: 检测用于引导安全车辆操作的所有信号的频率检测器和用于确定车辆速度的雷达信号。 宽带频率检测器包括：喇叭天线，被配置为接收具有特定频率的信号; 第一放大器，被配置为从喇叭天线接收具有特定频率的信号; 混频器单元，被配置为从第一放大器接收信号，其中信号被低噪声放大; 以及与放大器并联布置的第二放大器，用于在从喇叭天线接收的信号低噪声放大之后将信号传送到混频器单元。
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公开(公告)号：US20150247919A1
公开(公告)日：2015-09-03
申请号：US14430676
申请日：2013-09-09
Applicant: DJP CO., LTD.
Inventor： Hanyong Kim , Kyungsoo Lim
Abstract: A broadband frequency detector detecting all the signals for guiding the safe vehicle operation, and radar signals for determining vehicle speeds comprises: a horn antenna configured to receive signals having specific frequencies; an amplifier configured to receive the signals having specific frequencies from the horn antenna; a mixer unit configured to receive signals from the amplifier, wherein the signals are low noise amplified therein; a coupler, arranged in parallel with the amplifier, for transferring the signals to the mixer unit by passing through the signals within a specific frequency range among the signals received from the horn antenna.
Abstract translation: 检测用于引导安全车辆操作的所有信号的宽带频率检测器和用于确定车辆速度的雷达信号包括：配置成接收具有特定频率的信号的喇叭天线; 放大器，被配置为从喇叭天线接收具有特定频率的信号; 配置为从放大器接收信号的混频器单元，其中信号被低噪声放大; 与放大器并联布置的耦合器，用于通过穿过从喇叭天线接收的信号中的特定频率范围内的信号将信号传送到混频器单元。
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