JPH0448782U - - Google Patents

Info

Publication number
JPH0448782U
JPH0448782U JP9034890U JP9034890U JPH0448782U JP H0448782 U JPH0448782 U JP H0448782U JP 9034890 U JP9034890 U JP 9034890U JP 9034890 U JP9034890 U JP 9034890U JP H0448782 U JPH0448782 U JP H0448782U
Authority
JP
Japan
Prior art keywords
intercom
video
signal
lobby
monitor
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.)
Granted
Application number
JP9034890U
Other languages
Japanese (ja)
Other versions
JP2589811Y2 (en
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 filed Critical
Priority to JP1990090348U priority Critical patent/JP2589811Y2/en
Publication of JPH0448782U publication Critical patent/JPH0448782U/ja
Application granted granted Critical
Publication of JP2589811Y2 publication Critical patent/JP2589811Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Closed-Circuit Television Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の２チヤンネル切換型テレビイ
ンターホン用アダプターの構成図、第２図は本考
案の２チヤンネル切換型テレビインターホンシス
テムの概略構成を示したブロツク図である。 符号の説明、Ａ……本考案の２チヤンネル切換
型テレビインターホン用アダプター、１……映像
フイルタ切換選択手段、２……映像復調器、３…
…チヤンネル切換制御回路、ＩＮ（ＲＦ）、ＩＮ
Ｇ（ＲＦ）……映像信号入力端子、ＳＡ，ＳＧＡ
，ＳＢ，ＳＧＢ……通話信号入力端子、Ｓ，ＳＧ
……制御信号入力端子、ＯＵＴ，ＯＵＴＧ……映
像信号出力端子、ＳＯ，ＳＧＯ……通話信号出力
端子。 FIG. 1 is a block diagram showing the configuration of a two-channel switching type television intercom adapter according to the present invention, and FIG. 2 is a block diagram showing a schematic configuration of the two-channel switching type television intercom system according to the present invention. Explanation of the symbols, A...Two-channel switching type TV intercom adapter of the present invention, 1... Video filter switching selection means, 2... Video demodulator, 3...
...Channel switching control circuit, IN (RF), IN
G (RF)...Video signal input terminal, SA, SGA
, SB, SGB...Call signal input terminal, S, SG
...Control signal input terminal, OUT, OUTG...Video signal output terminal, SO, SGO...Speech signal output terminal.

Claims (1)

【実用新案登録請求の範囲】 １ ２台のテレビカメラ付ロビーインターホンか
ら変調され混合されて送出されて来た映像信号を
入力する映像信号入力端子と、 この映像入力端子を通じて入力されて来た変調
された映像信号の一方のみを選択する映像フイル
タ切換選択手段と、 この映像フイルタ切換選択手段によつて選択さ
れた変調された映像信号を復調する映像復調器と
、 この映像復調器によつて復調された映像信号を
モニタテレビ付インターホン親機側に出力する映
像信号出力端子と、 上記２台のロビーインターホンからの２本の通
話線を入力する通話信号入力端子と、 この通話信号入力端子を通じて入力されて来た
通話信号のうち、上記映像フイルタ切換選択手段
によつて選択された変調された映像信号に対応し
て通話線を切換選択する通話線切換手段と、 この通話線切換手段によつて切換選択された通
話信号をモニタテレビ付インターホン親機側に出
力させる通話信号出力端子と、 警報監視盤からのチヤンネル選択信号を受ける
制御信号入力端子と、 チヤンネル選択信号によつて選択されたテレビ
カメラ付ロビーインターホンからの変調された映
像信号と通話信号とが上記モニタテレビ付インタ
ーホン親機に出力されるように上記映像フイルタ
切換選択手段と通話線切換手段とを切換作動させ
るチヤンネル切換制御回路とを備えたことを特徴
とする２チヤンネル切換型テレビインターホン用
アダプター。 ２ 請求項１に記載された２チヤンネル切換型テ
レビインターホン用アダプターと、 通話のためのマイクとスピーカを有した２台の
テレビカメラ付ロビーインターホンと、 この２台のテレビカメラ付ロビーインターホン
から送出される変調された映像信号を混合させる
混合器と、 上記カメラ付ロビーインターホンのテレビカメ
ラによる映像を映し出すモニタテレビと、カメラ
付ロビーインターホンとの通話を行なうためのイ
ンターホンとを有したモニタテレビ付インターホ
ン親機と、 上記ロビーインターホンからの呼出信号を受け
、呼出信号を出力したロビーインターホンから送
出される変調された映像信号と通話信号とを上記
モニタテレビ付インターホン親機側に選択的に出
力させるチヤンネル切換信号を出力する警報監視
盤とを備えたことを特徴とする２チヤンネル切換
型テレビインターホンシステム。[Claims for Utility Model Registration] 1. A video signal input terminal for inputting video signals modulated, mixed and sent out from two lobby intercoms with television cameras, and the modulation input through this video input terminal. video filter switching selection means for selecting only one of the modulated video signals; a video demodulator for demodulating the modulated video signal selected by the video filter switching selection means; and a video demodulator for demodulating the modulated video signal selected by the video filter switching selection means. A video signal output terminal that outputs the video signal to the intercom main unit with a monitor TV, a call signal input terminal that inputs the two call lines from the two lobby intercoms mentioned above, and input through this call signal input terminal. a telephone line switching means for switching and selecting a telephone line in response to the modulated video signal selected by the video filter switching selection means among the received telephone call signals; A call signal output terminal that outputs the selected call signal to the intercom main unit with a monitor TV, a control signal input terminal that receives a channel selection signal from the alarm monitoring panel, and a TV camera selected by the channel selection signal. a channel switching control circuit that switches between the video filter switching selection means and the telephone line switching means so that the modulated video signal and the telephone call signal from the attached lobby intercom are outputted to the intercom base unit with the monitor TV; A 2-channel switching type TV intercom adapter. 2. The adapter for a two-channel switching type TV intercom according to claim 1, two lobby intercoms equipped with a TV camera each having a microphone and a speaker for making calls, and a system that transmits signals from the two lobby intercoms equipped with a TV camera. an intercom with a monitor TV, which includes a mixer for mixing modulated video signals, a monitor TV for displaying images from the TV camera of the lobby intercom with a camera, and an intercom for making calls with the lobby intercom with a camera; and channel switching for receiving a calling signal from the lobby intercom and selectively outputting a modulated video signal and a call signal sent from the lobby intercom that outputs the calling signal to the intercom base unit with a monitor TV. A two-channel switching type television intercom system characterized by being equipped with an alarm monitoring panel that outputs signals.
JP1990090348U 1990-08-28 1990-08-28 Adapter for two-channel switching television intercom and two-channel switching television intercom system using the same Expired - Lifetime JP2589811Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990090348U JP2589811Y2 (en) 1990-08-28 1990-08-28 Adapter for two-channel switching television intercom and two-channel switching television intercom system using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990090348U JP2589811Y2 (en) 1990-08-28 1990-08-28 Adapter for two-channel switching television intercom and two-channel switching television intercom system using the same

Publications (2)

Publication Number Publication Date
JPH0448782U true JPH0448782U (en) 1992-04-24
JP2589811Y2 JP2589811Y2 (en) 1999-02-03

Family

ID=31825023

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990090348U Expired - Lifetime JP2589811Y2 (en) 1990-08-28 1990-08-28 Adapter for two-channel switching television intercom and two-channel switching television intercom system using the same

Country Status (1)

Country Link
JP (1) JP2589811Y2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57135589A (en) * 1981-02-13 1982-08-21 Matsushita Electric Works Ltd Television picture system
JPS6229385A (en) * 1985-07-31 1987-02-07 Toshiba Electric Equip Corp Interphone system
JPS62157453A (en) * 1985-12-28 1987-07-13 Hochiki Corp Interphone carrier equipment for assembling dwelling house
JPS63252086A (en) * 1987-04-09 1988-10-19 Matsushita Electric Ind Co Ltd Av gate door system
JPS63181077U (en) * 1987-05-14 1988-11-22

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57135589A (en) * 1981-02-13 1982-08-21 Matsushita Electric Works Ltd Television picture system
JPS6229385A (en) * 1985-07-31 1987-02-07 Toshiba Electric Equip Corp Interphone system
JPS62157453A (en) * 1985-12-28 1987-07-13 Hochiki Corp Interphone carrier equipment for assembling dwelling house
JPS63252086A (en) * 1987-04-09 1988-10-19 Matsushita Electric Ind Co Ltd Av gate door system
JPS63181077U (en) * 1987-05-14 1988-11-22

Also Published As

Publication number Publication date
JP2589811Y2 (en) 1999-02-03

Similar Documents

Publication Publication Date Title
JPS6015197B2 (en) Private branch exchange response processing method
JPH02114786A (en) Video doorphone
JPH0448782U (en)
JPH02113656A (en) Visual telephone
JP3031361B2 (en) Intercom with monitor TV
JP2553597B2 (en) Telephone terminal equipment
JP3126592B2 (en) Video intercom
KR940005941B1 (en) Video-phone using tv
JP2605025B2 (en) Display control circuit
JP3041663B2 (en) Intercom with monitor TV
JPH03283982A (en) Television conference system
JPH055732Y2 (en)
JP2558756B2 (en) Telephone terminal equipment
JP2689461B2 (en) Telephone terminal device
JP2634443B2 (en) Intercom system with monitor
JPH0731654Y2 (en) Television telephone equipment
JP3599576B2 (en) Intercom with monitor TV
JPH02194786A (en) Video telephone system
JPH04286450A (en) Video doorphone device
JPH0678310A (en) Security system
JPH0690453A (en) Image recording system
JPH03140075A (en) Television doorphone
JPH03129954A (en) Two-wire type television interphone system
JPH01226288A (en) Telephone terminal equipment
JPH01208979A (en) Picture telephone system with interphone function

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term