KR920020397U - 지하방송중계기 - Google Patents

지하방송중계기

Info

Publication number
KR920020397U
KR920020397U KR2019910005308U KR910005308U KR920020397U KR 920020397 U KR920020397 U KR 920020397U KR 2019910005308 U KR2019910005308 U KR 2019910005308U KR 910005308 U KR910005308 U KR 910005308U KR 920020397 U KR920020397 U KR 920020397U
Authority
KR
South Korea
Prior art keywords
broadcasting repeater
underground broadcasting
underground
repeater
broadcasting
Prior art date
Application number
KR2019910005308U
Other languages
English (en)
Other versions
KR940002981Y1 (ko
Inventor
서원석
심광식
Original Assignee
한국도로공사
주식회사 대한산업전자
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국도로공사, 주식회사 대한산업전자 filed Critical 한국도로공사
Priority to KR2019910005308U priority Critical patent/KR940002981Y1/ko
Publication of KR920020397U publication Critical patent/KR920020397U/ko
Application granted granted Critical
Publication of KR940002981Y1 publication Critical patent/KR940002981Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/59—Responders; Transponders

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
KR2019910005308U 1991-04-17 1991-04-17 지하방송중계기 KR940002981Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910005308U KR940002981Y1 (ko) 1991-04-17 1991-04-17 지하방송중계기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910005308U KR940002981Y1 (ko) 1991-04-17 1991-04-17 지하방송중계기

Publications (2)

Publication Number Publication Date
KR920020397U true KR920020397U (ko) 1992-11-17
KR940002981Y1 KR940002981Y1 (ko) 1994-05-06

Family

ID=19312827

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910005308U KR940002981Y1 (ko) 1991-04-17 1991-04-17 지하방송중계기

Country Status (1)

Country Link
KR (1) KR940002981Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990018817A (ko) * 1997-08-28 1999-03-15 신윤식 광대역 가입자회선 가입자 시스템을 사용하는 wll 및 imt-2000 신호의 통신방법 및 장치

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990018816A (ko) * 1997-08-28 1999-03-15 신윤식 Wll 및 imt-2000 시스템의 실내 가입자 장치 통신방법 및 그 장치
KR101725435B1 (ko) 2016-02-22 2017-04-12 우주통신주식회사 지하 공간 내 ｆｍ／ｄｍｂ 방송의 재전송 중계기 및 그 송출방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990018817A (ko) * 1997-08-28 1999-03-15 신윤식 광대역 가입자회선 가입자 시스템을 사용하는 wll 및 imt-2000 신호의 통신방법 및 장치

Also Published As

Publication number Publication date
KR940002981Y1 (ko) 1994-05-06

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