公开(公告)号：US20090156139A1

公开(公告)日：2009-06-18

申请号：US12333502

申请日：2008-12-12

Applicant: Yong-Min LEE ,  Inone JOO ,  Sang-Uk LEE

Inventor： Yong-Min LEE ,  Inone JOO ,  Sang-Uk LEE

IPC: H04B1/38

CPC classification number: G01S5/0027 ,  G01S19/17

Abstract: A communication service equipment and a search and rescue terminal device for vessels that are set on board to provide radio communication service including at least one radio signal transmission and reception units, a modulation and demodulation unit, a location information receiving unit, a plurality of frequency conversion unit, signal processing units each connected to the frequency conversion unit, a main control unit, and control the signal processing unit.

Abstract translation: 一种用于船上设置的用于提供无线电通信服务的通信服务设备和搜索救援终端设备，包括至少一个无线电信号发送和接收单元，调制和解调单元，位置信息接收单元，多个频率 转换单元，各自连接到变频单元的信号处理单元，主控单元，以及控制信号处理单元。

公开(公告)号：US20110037648A1

公开(公告)日：2011-02-17

申请号：US12857363

申请日：2010-08-16

Applicant: Sang-Uk LEE ,  Cheon-Sig Sin ,  Jaeeun Lee ,  Jae-Hoon Kim

Inventor： Sang-Uk LEE ,  Cheon-Sig Sin ,  Jaeeun Lee ,  Jae-Hoon Kim

IPC: G01S19/11

CPC classification number: G01S19/11

Abstract: An apparatus for transmitting a pseudollite signal so that a navigation signal is transmitted includes: at least four pseudollite configured to generate and output pseudollite codes for navigation; antennas configured to transmit signals outputted by the pseudollite corresponding to the antennas, respectively; and a single synchronization clock unit configured to provide each of the pseudollites with a synchronization clock.

Abstract translation: 一种用于发送伪信号以使得导航信号被发送的装置包括：至少四个伪长度，被配置为生成和输出用于导航的伪白码; 天线，被配置为分别发送由天线对应的伪天线输出的信号; 以及单个同步时钟单元，被配置为向每个伪造者提供同步时钟。