公开(公告)号：US20150312645A1

公开(公告)日：2015-10-29

申请号：US14677930

申请日：2015-04-02

Applicant: Electronics and Telecommunications Research Institute

Inventor： You Seok LEE ,  Kwanwoong RYU ,  Heung Mook KIM ,  Jin Hyuk SONG ,  Jae Hyun SEO ,  Ho Min EUM

IPC: H04N21/81 ,  H04N21/43 ,  H04N21/438 ,  H04N21/2383 ,  H04N21/242

CPC classification number: H04N21/814 ,  H04H20/59 ,  H04N21/2383 ,  H04N21/242 ,  H04N21/4302 ,  H04N21/4382

Abstract: When a disaster occurs, a disaster information transmitting apparatus generates disaster information, spreads the disaster information with a spreading code, modulates the spread disaster information, and transmits the modulated disaster information using a guard band of a broadcasting frequency band.

Abstract translation: 发生灾害时，灾害信息发送装置生成灾害信息，利用扩展码扩散灾害信息，调制扩散灾害信息，并使用广播频带的保护频带发送调制灾难信息。