JPS6333988A - Picture signal supply system - Google Patents

Picture signal supply system

Info

Publication number
JPS6333988A
JPS6333988A JP61178573A JP17857386A JPS6333988A JP S6333988 A JPS6333988 A JP S6333988A JP 61178573 A JP61178573 A JP 61178573A JP 17857386 A JP17857386 A JP 17857386A JP S6333988 A JPS6333988 A JP S6333988A
Authority
JP
Japan
Prior art keywords
image information
request signal
signal
channel
sending
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.)
Pending
Application number
JP61178573A
Other languages
Japanese (ja)
Inventor
Michio Kuribayashi
道夫 栗林
Mikio Suzuki
幹男 鈴木
Hitoshi Matsumura
松村 斉
Sadao Miyoshi
三好 定夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP61178573A priority Critical patent/JPS6333988A/en
Publication of JPS6333988A publication Critical patent/JPS6333988A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To simplify the transmission means to lots of terminal equipments by utilizing one transmission line and extracting a required picture among pictures subject to frequency multiplex to the transmission line. CONSTITUTION:When a request signal 40 from a request terminal section 24 reaches a communication controller 14, a channel change control signal 50 is sent to a tuner control section 22 of the terminal equipment 2 sending the said request signal 40 based on terminal device identification information included in the request signal 40. The channel change control signal 50 includes a channel number corresponding to picture information source selection information included in the request signal 40, and a tuner section 21 is set to the said channel number by a tuner control section 22. On the other hand, the communication controller 14 sends picture information selection information included in the request signal 40 to a selection controller 15, which executes the control of transmission of a corresponding picture information source 11 to the picture information source selection information. The picture information is inputted to a television set 23 via the tuner section 21.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、端末器からのチャネル切替要求に応答してそ
のチャネルの画像を供給する方式に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a system for supplying an image of a channel in response to a channel switching request from a terminal.

〔概要〕〔overview〕

端末器で所望の画像が伝送路を介して送出装置から受信
できる方式において、 一本の伝送路を利用し、この伝送路に周波数多重化され
た画像のうちの所要の画像を抽出することにより、 多数の端末器に対しての伝送手段を簡単にすることがで
きるようにしたものである。
In a method in which a terminal device can receive a desired image from a sending device via a transmission line, by using one transmission line and extracting the desired image from among the images that are frequency multiplexed on this transmission line. , which simplifies the means of transmission to a large number of terminals.

〔従来の技術〕[Conventional technology]

従来例方式の構成を第2図に示す。この方式は、映像交
換機16からの伝送路3は端末器2と一対一に対応して
いる。端末器2からのリクエスト情報は送出側の映像交
換機16で選別され、このリクエスト情報に対応した画
情報源11がこの端末器2に接続されて情報が送出され
る。
The configuration of the conventional system is shown in FIG. In this system, the transmission line 3 from the video exchanger 16 corresponds to the terminal device 2 on a one-to-one basis. The request information from the terminal device 2 is selected by the video exchanger 16 on the sending side, and the image information source 11 corresponding to this request information is connected to this terminal device 2 and the information is sent out.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

このような従来例方式は、送出側とリクエスト端末側と
が一対一になっているので、加入者端末に対応して線路
を引く必要があり、加入端末が多くなる場合に経済的に
不利になる欠点がある。
In this conventional method, the sending side and the requesting terminal side are in a one-to-one relationship, so it is necessary to draw lines corresponding to the subscriber terminals, which is economically disadvantageous when the number of subscriber terminals increases. There is a drawback.

本発明はこのような欠点を除去するもので、多数の加入
端末に経済的に画像情報を供給することができる画像信
号供給方式を提供することを目的とする。
The present invention aims to eliminate these drawbacks and provides an image signal supply system that can economically supply image information to a large number of subscriber terminals.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は、画情報を格納する複数個の画情報源を有する
送出装置と、所望の画情報を指定するリクエスト信号を
発行するリクエスト手段およびこの画情報を受信する受
信手段を有する端末器と、上記送出装置とこの端末器と
を接続する伝送路とを備え、さらに、上記送出装置は上
記リクエスト手段で指定された画情報が格納された上記
画情報源の画像情報を送出する送出手段を備えた画像信
号供給方式において、上記送出手段は、送出する画情報
を周波数帯域の異なるチャネルに割付ける手段と、リク
エスト信号に基づいて、この信号が送出された端末器宛
に送出されるチャネル変更制御信号を発行する手段とを
備え、上記端末器は、このチャネル変更制御信号に基づ
いて、臼蓋が発行したリクエスト信号に対応する画情報
が割付けられたチャネルと接続する手段を備え、上記伝
送路は、画情報が割付けられるチャネルとリクエスト信
号およびチャネル変更制御信号が割付けられるチャネル
とを有する一本の伝送路であることを特徴とする。
The present invention provides a transmission device having a plurality of image information sources for storing image information, a terminal device having a request means for issuing a request signal specifying desired image information, and a receiving means for receiving the image information; A transmission line connecting the above-mentioned sending device and this terminal device, and further comprising a sending means for sending out image information of the above-mentioned image information source in which the image information designated by the above-mentioned requesting means is stored. In the image signal supply method, the sending means includes means for allocating the image information to be sent to channels of different frequency bands, and channel change control for sending the signal to the terminal device to which this signal is sent based on the request signal. The terminal device includes means for connecting to a channel to which image information corresponding to the request signal issued by the acetabulum is assigned, based on the channel change control signal, is characterized by being a single transmission line having a channel to which image information is allocated and a channel to which request signals and channel change control signals are allocated.

〔作用〕[Effect]

端末器からリクエスト信号を送出すると、この信号に基
づいて通信制御装置からチャネル変更制御信号がこの端
末器の受信手段に返送され、これに基づいてチャネル選
択が行われる。
When a request signal is sent from a terminal device, a channel change control signal is sent back from the communication control device to the receiving means of this terminal device based on this signal, and channel selection is performed based on this signal.

一方、送出装置の画情報源上の画情報はこの画情報源に
対応する伝送路上のチャネルを介して伝送される。
On the other hand, image information on an image information source of a sending device is transmitted via a channel on a transmission path corresponding to this image information source.

これにより端末器で所望した画情報源上の情報を受イ言
することができる。
This allows the terminal to receive and receive information on the desired image information source.

〔実施例〕〔Example〕

以下、本発明実施例方式を図面に基づいて説明する。 Hereinafter, an embodiment of the present invention will be explained based on the drawings.

第1図は本発明の一実施例の構成を示すブロック構成図
である。
FIG. 1 is a block configuration diagram showing the configuration of an embodiment of the present invention.

この実施例方式は送出装置1と、端末器2と、この間を
接続する双方向通信の可能な同軸ケーブルである伝送路
3とを備え、送出装置lはVTRやLDなどである画情
報源11と、変調器12と、混合・分配器13と、端末
器2からリクエスト信号40を受信して端末器2にチャ
ネル番号を含むチャネル変更制御信号50を送出する通
信制御装置14と、通信制御装置14からの情報で送出
装置1をコントロールする選択制御装置15とを備える
。また、端末器2は、リクエスト信号40を送出するリ
クエスト端末部24と、チューナ部21と、このチュー
ナ部21を制御するチューナ制御部22と、テレビ23
とを備える。
This embodiment system includes a transmission device 1, a terminal device 2, and a transmission line 3 which is a coaxial cable capable of bidirectional communication and connects them.The transmission device 1 is a video information source 11 such as a VTR or LD. , a modulator 12, a mixer/distributor 13, a communication control device 14 that receives a request signal 40 from the terminal device 2 and sends a channel change control signal 50 including a channel number to the terminal device 2, and a communication control device The selection control device 15 controls the transmission device 1 using information from the transmission device 14. The terminal device 2 also includes a request terminal section 24 that sends out a request signal 40, a tuner section 21, a tuner control section 22 that controls the tuner section 21, and a television 23.
Equipped with.

次に、この実施例方式の動作を第1図に基づいて説明す
る。
Next, the operation of this embodiment system will be explained based on FIG.

リクエスト端末部24からのリクエスト信号40が通信
制御装置14に到来すると、このリクエスト信号40に
含まれる端末器識別情報に基づいて、このリクエスト信
号40を送出した端末器2のチューナ制御部22にチャ
ネル変更制御信号50を送出する。
When the request signal 40 from the request terminal section 24 arrives at the communication control device 14, the channel is assigned to the tuner control section 22 of the terminal device 2 that sent this request signal 40 based on the terminal device identification information included in this request signal 40. A change control signal 50 is sent.

このチャネル変更制御信号50は、リクエスト信号40
に含まれる画情報源選択情報に相当するチャネル番号を
含む。チューナ部21はチューナ制御部22でこのチャ
ネル番号に設定される。
This channel change control signal 50 is a request signal 40
Contains a channel number corresponding to the image information source selection information included in the image information source selection information. The tuner section 21 is set to this channel number by the tuner control section 22.

一方、通信制御装置14はリクエスト信号40に含まれ
る画情報源選択情報を選択制御装置15に送出し、この
選択制御装置15はこの画情報源選択情報に相応の画情
報源11が送出される制御を実行する。この画情報がチ
ューナ部21を経由してテレビ23に入力される。
On the other hand, the communication control device 14 sends the image information source selection information included in the request signal 40 to the selection control device 15, and the selection control device 15 sends the image information source 11 corresponding to this image information source selection information. Execute control. This image information is input to the television 23 via the tuner section 21.

〔発明の効果〕〔Effect of the invention〕

本発明は、以上説明したように、一本の双方向伝送が可
能な同軸伝送路を用いているので、多数の端末からのリ
クエストに応じて画情報を経済的に供給することができ
る効果がある。
As explained above, since the present invention uses a single coaxial transmission line capable of bidirectional transmission, it has the effect of economically supplying image information in response to requests from a large number of terminals. be.

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

第1図は本発明の実施例方式の構成を示すブロック構成
図。 第2図は従来例方式の構成を示すブロック構成図。 1・・・送出装置、2・・・端末器、3・・・伝送路、
11・・・画情報源、12・・・変調器、13・・・混
合・分配器、14・・・通信制御装置、15・・・選択
制御装置、16・・・映像交換器、17・・・交換機制
御装置、21・・・チューナ部、22・・・チューナ制
御部、24・・・リクエスト端末部、40・・・リクエ
スト信号、50・・・チャネル変更制御信号。
FIG. 1 is a block configuration diagram showing the configuration of an embodiment system of the present invention. FIG. 2 is a block configuration diagram showing the configuration of a conventional system. 1... Sending device, 2... Terminal device, 3... Transmission line,
11... Image information source, 12... Modulator, 13... Mixer/distributor, 14... Communication control device, 15... Selection control device, 16... Video exchanger, 17. ... Exchange control device, 21 ... Tuner section, 22 ... Tuner control section, 24 ... Request terminal section, 40 ... Request signal, 50 ... Channel change control signal.

Claims (1)

【特許請求の範囲】[Claims] (1)画情報を格納する複数個の画情報源(11)を有
する送出装置(1)と、 所望の画情報を指定するリクエスト信号を発行するリク
エスト手段(24)およびこの画情報を受信する受信手
段を有する端末器(2)と、 上記送出装置とこの端末器とを接続する伝送路(3)と を備え、 さらに、上記送出装置は上記リクエスト手段で指定され
た画情報が格納された上記画情報源の画情報を送出する
送出手段を備えた 画像信号供給方式において、 上記送出手段は、 送出する画情報を周波数帯域の異なるチャネルに割付け
る手段(12、13)と、 リクエスト信号に基づいて、この信号が送出された端末
器宛に送出されるチャネル変更制御信号を発行する手段
(14)と を備え、 上記端末器は、このチャネル変更制御信号に基づいて、
自器が発行したリクエスト信号に対応する画情報が割付
けられたチャネルと接続する手段(21、22)を備え
、 上記伝送路は、画情報が割付けられるチャネルとリクエ
スト信号およびチャネル変更制御信号が割付けられるチ
ャネルとを有する一本の伝送路である ことを特徴とする画像信号供給方式。
(1) A sending device (1) having a plurality of image information sources (11) that store image information, a request means (24) that issues a request signal specifying desired image information, and a receiving device that receives this image information. A terminal device (2) having a receiving means, and a transmission line (3) connecting the above-mentioned sending device and this terminal device, and further, the above-mentioned sending device stores image information specified by the above-mentioned requesting means. In the image signal supply system comprising a sending means for sending image information of the image information source, the sending means includes means (12, 13) for allocating the image information to be sent to channels of different frequency bands, and a request signal. and means (14) for issuing a channel change control signal to be sent to the terminal device to which this signal has been sent based on the channel change control signal, and the terminal device, based on this channel change control signal,
A means (21, 22) is provided for connecting to a channel to which image information corresponding to a request signal issued by the own device is allocated, and the transmission path is connected to a channel to which image information is allocated, a request signal, and a channel change control signal. An image signal supply system characterized in that it is a single transmission path having a channel.
JP61178573A 1986-07-28 1986-07-28 Picture signal supply system Pending JPS6333988A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61178573A JPS6333988A (en) 1986-07-28 1986-07-28 Picture signal supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61178573A JPS6333988A (en) 1986-07-28 1986-07-28 Picture signal supply system

Publications (1)

Publication Number Publication Date
JPS6333988A true JPS6333988A (en) 1988-02-13

Family

ID=16050837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61178573A Pending JPS6333988A (en) 1986-07-28 1986-07-28 Picture signal supply system

Country Status (1)

Country Link
JP (1) JPS6333988A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04505688A (en) * 1989-03-09 1992-10-01 ヴィユーファクツ,インコーポレーテッド Systems and devices for data transmission and related methods
JPH06351019A (en) * 1993-04-13 1994-12-22 Seta:Kk Executing method for end-to-center mode television game
US5526034A (en) * 1990-09-28 1996-06-11 Ictv, Inc. Interactive home information system with signal assignment
US5557316A (en) * 1990-09-28 1996-09-17 Ictv, Inc. System for distributing broadcast television services identically on a first bandwidth portion of a plurality of express trunks and interactive services over a second bandwidth portion of each express trunk on a subscriber demand basis
US5812665A (en) * 1995-06-08 1998-09-22 Ictv, Inc. Switched channel system
US6034678A (en) * 1991-09-10 2000-03-07 Ictv, Inc. Cable television system with remote interactive processor
US7115325B2 (en) 2001-08-30 2006-10-03 Tadamasa Fujimura Stable aqueous suspension liquid of finely divided diamond particles, metallic film containing diamond particles and method of producing the same
US7201972B2 (en) 2002-06-13 2007-04-10 Tadamasa Fujimura Metal thin film dispersing a super-fine diamond particle, a metal material having the metal thin film, and a method for preparing the same
US8074248B2 (en) * 2005-07-26 2011-12-06 Activevideo Networks, Inc. System and method for providing video content associated with a source image to a television in a communication network
US9788029B2 (en) 2014-04-25 2017-10-10 Activevideo Networks, Inc. Intelligent multiplexing using class-based, multi-dimensioned decision logic for managed networks
US9800945B2 (en) 2012-04-03 2017-10-24 Activevideo Networks, Inc. Class-based intelligent multiplexing over unmanaged networks
US9826197B2 (en) 2007-01-12 2017-11-21 Activevideo Networks, Inc. Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device
US10200744B2 (en) 2013-06-06 2019-02-05 Activevideo Networks, Inc. Overlay rendering of user interface onto source video
US10275128B2 (en) 2013-03-15 2019-04-30 Activevideo Networks, Inc. Multiple-mode system and method for providing user selectable video content
US10409445B2 (en) 2012-01-09 2019-09-10 Activevideo Networks, Inc. Rendering of an interactive lean-backward user interface on a television

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4929014A (en) * 1972-07-12 1974-03-15
JPS4964317A (en) * 1972-10-21 1974-06-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4929014A (en) * 1972-07-12 1974-03-15
JPS4964317A (en) * 1972-10-21 1974-06-21

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04505688A (en) * 1989-03-09 1992-10-01 ヴィユーファクツ,インコーポレーテッド Systems and devices for data transmission and related methods
US5526034A (en) * 1990-09-28 1996-06-11 Ictv, Inc. Interactive home information system with signal assignment
US5550578A (en) * 1990-09-28 1996-08-27 Ictv, Inc. Interactive and conventional television information system
US5557316A (en) * 1990-09-28 1996-09-17 Ictv, Inc. System for distributing broadcast television services identically on a first bandwidth portion of a plurality of express trunks and interactive services over a second bandwidth portion of each express trunk on a subscriber demand basis
US6034678A (en) * 1991-09-10 2000-03-07 Ictv, Inc. Cable television system with remote interactive processor
JPH06351019A (en) * 1993-04-13 1994-12-22 Seta:Kk Executing method for end-to-center mode television game
US5812665A (en) * 1995-06-08 1998-09-22 Ictv, Inc. Switched channel system
US7927390B2 (en) 2001-08-30 2011-04-19 Tadamasa Fujimura Stable aqueous suspension liquid of finely divided diamond particles, metallic film containing diamond particles and method of producing the same
US7585360B2 (en) 2001-08-30 2009-09-08 Tadamasa Fujimura Stable aqueous suspension liquid of finely divided diamond particles, metallic film containing diamond particles and method of producing the same
EP2269953A2 (en) 2001-08-30 2011-01-05 Tadamasa Fujimura Stable aqueous suspension liquid of finely divided particles metallic film containing diamond particles and method of producing the same
EP2269952A2 (en) 2001-08-30 2011-01-05 Tadamasa Fujimura Stable aqueous suspension liquid of finely divided particles metallic film containing diamond particles and method of producing the same
US7115325B2 (en) 2001-08-30 2006-10-03 Tadamasa Fujimura Stable aqueous suspension liquid of finely divided diamond particles, metallic film containing diamond particles and method of producing the same
US8172916B2 (en) 2001-08-30 2012-05-08 Tadamasa Fujimura Stable aqueous suspension liquid of finely divided diamond particles, metallic film containing diamond particles and method of producing the same
US7201972B2 (en) 2002-06-13 2007-04-10 Tadamasa Fujimura Metal thin film dispersing a super-fine diamond particle, a metal material having the metal thin film, and a method for preparing the same
US8074248B2 (en) * 2005-07-26 2011-12-06 Activevideo Networks, Inc. System and method for providing video content associated with a source image to a television in a communication network
US9826197B2 (en) 2007-01-12 2017-11-21 Activevideo Networks, Inc. Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device
US10409445B2 (en) 2012-01-09 2019-09-10 Activevideo Networks, Inc. Rendering of an interactive lean-backward user interface on a television
US9800945B2 (en) 2012-04-03 2017-10-24 Activevideo Networks, Inc. Class-based intelligent multiplexing over unmanaged networks
US10506298B2 (en) 2012-04-03 2019-12-10 Activevideo Networks, Inc. Class-based intelligent multiplexing over unmanaged networks
US10757481B2 (en) 2012-04-03 2020-08-25 Activevideo Networks, Inc. Class-based intelligent multiplexing over unmanaged networks
US10275128B2 (en) 2013-03-15 2019-04-30 Activevideo Networks, Inc. Multiple-mode system and method for providing user selectable video content
US11073969B2 (en) 2013-03-15 2021-07-27 Activevideo Networks, Inc. Multiple-mode system and method for providing user selectable video content
US10200744B2 (en) 2013-06-06 2019-02-05 Activevideo Networks, Inc. Overlay rendering of user interface onto source video
US9788029B2 (en) 2014-04-25 2017-10-10 Activevideo Networks, Inc. Intelligent multiplexing using class-based, multi-dimensioned decision logic for managed networks

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