JPH083055Y2 - 双方向共同聴視装置用増幅器 - Google Patents

双方向共同聴視装置用増幅器

Info

Publication number
JPH083055Y2
JPH083055Y2 JP1989061711U JP6171189U JPH083055Y2 JP H083055 Y2 JPH083055 Y2 JP H083055Y2 JP 1989061711 U JP1989061711 U JP 1989061711U JP 6171189 U JP6171189 U JP 6171189U JP H083055 Y2 JPH083055 Y2 JP H083055Y2
Authority
JP
Japan
Prior art keywords
upstream signal
amplifier
branch
upstream
signal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP1989061711U
Other languages
English (en)
Japanese (ja)
Other versions
JPH032717U (en]
Inventor
正道 福井
Original Assignee
デイエツクスアンテナ株式会社
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 デイエツクスアンテナ株式会社 filed Critical デイエツクスアンテナ株式会社
Priority to JP1989061711U priority Critical patent/JPH083055Y2/ja
Publication of JPH032717U publication Critical patent/JPH032717U/ja
Application granted granted Critical
Publication of JPH083055Y2 publication Critical patent/JPH083055Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Amplifiers (AREA)
JP1989061711U 1989-05-26 1989-05-26 双方向共同聴視装置用増幅器 Expired - Lifetime JPH083055Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989061711U JPH083055Y2 (ja) 1989-05-26 1989-05-26 双方向共同聴視装置用増幅器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989061711U JPH083055Y2 (ja) 1989-05-26 1989-05-26 双方向共同聴視装置用増幅器

Publications (2)

Publication Number Publication Date
JPH032717U JPH032717U (en]) 1991-01-11
JPH083055Y2 true JPH083055Y2 (ja) 1996-01-29

Family

ID=31590203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989061711U Expired - Lifetime JPH083055Y2 (ja) 1989-05-26 1989-05-26 双方向共同聴視装置用増幅器

Country Status (1)

Country Link
JP (1) JPH083055Y2 (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62117824U (en]) * 1986-01-17 1987-07-27

Also Published As

Publication number Publication date
JPH032717U (en]) 1991-01-11

Similar Documents

Publication Publication Date Title
US6124758A (en) RF power amplifier control system
US6804828B1 (en) Tap device of cable broadcasting system
US6388539B1 (en) Broadband switch/coupler
US7898108B2 (en) Smart power switch for broadband communications network
JPH10135858A (ja) 衛星信号分配器
JPH083055Y2 (ja) 双方向共同聴視装置用増幅器
US4766491A (en) Adaptor for a video monitoring system
JPH0461428A (ja) 高周波信号切換え回路
JP2966259B2 (ja) 交流・直流電源兼用型増幅器
JP4174115B2 (ja) 有線放送システム
JP2008099128A (ja) 電源分離型ブースタ
CA2005408A1 (en) Cable systems and the like
JP2677429B2 (ja) 切替式のインターホン
JP3195697B2 (ja) 二線式音声映像信号多重伝送システム
CN1030366C (zh) 一种分离式小功率电视转播机
JPH11205765A (ja) 双方向増幅器
JPH0127324Y2 (en])
JP3494950B2 (ja) 伝送システムにおける中継装置の給電方式及び中継装置
JPH0235889A (ja) テレビインターホンシステム
JPH0774559A (ja) 双方向増幅器
JPS60229580A (ja) 電源制御回路
JP2001145069A (ja) Ｃａｔｖ中継器
JP2655728B2 (ja) 集合住宅用インターホン
JP2650827B2 (ja) 線路状態監視方式
KR20230014961A (ko) 스피커 라인 체크 및 라인 오디오 변환장치, 지역 방송 시스템 및 방송 모니터링 시스템