JPS5996507A - Video tape - Google Patents

Video tape

Info

Publication number
JPS5996507A
JPS5996507A JP57206763A JP20676382A JPS5996507A JP S5996507 A JPS5996507 A JP S5996507A JP 57206763 A JP57206763 A JP 57206763A JP 20676382 A JP20676382 A JP 20676382A JP S5996507 A JPS5996507 A JP S5996507A
Authority
JP
Japan
Prior art keywords
signal
video
command signal
program
recording
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
JP57206763A
Other languages
Japanese (ja)
Other versions
JPH056723B2 (en
Inventor
Akihisa Osawa
大沢　章久
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP57206763A priority Critical patent/JPS5996507A/en
Priority to US06/551,022 priority patent/US4942488A/en
Priority to CA000441083A priority patent/CA1291261C/en
Priority to AU21567/83A priority patent/AU564386B2/en
Priority to DE19833342520 priority patent/DE3342520A1/en
Priority to NL8304046A priority patent/NL192967C/en
Priority to GB08331362A priority patent/GB2132812B/en
Priority to IT23902/83A priority patent/IT1169143B/en
Priority to FR838318886A priority patent/FR2536932B1/en
Publication of JPS5996507A publication Critical patent/JPS5996507A/en
Priority to CA000615631A priority patent/CA1291259C/en
Publication of JPH056723B2 publication Critical patent/JPH056723B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G11B23/283—Security features, e.g. digital codes
    • G11B23/284—Security features, e.g. digital codes on the record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91328—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy management signal, e.g. a copy generation management signal [CGMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark

Abstract

PURPOSE:To set up automatically various screening conditions corresponding to the program of a video tape to be screened in a video theater by recording a prescribed command signal on the video tape and then recording a required program on the tape. CONSTITUTION:The command signal corresponding to a program signal of a program signal recording part 1b is recorded on the head part 1a of the video tape 1. Theater equipment is constituted so as to be automatically set up by the command signal. In order to record the command signal, a recording slave VTR5 is turned to the recording status and a synchronyzing signal generating circuit 3 is actuated to supply a composite synchronizing signal to an adder 4. The command signal set up in a code setter 8 is supplied to a counter 9 during the period of a data gate pulse signal and converted into a serial signal by a converter 10 during the period of a gate signal from a data gate pulse signal generating circuit 6 and the converted signal is supplied to an adder 4. On the output side of the adder 4, a signal obtained by adding the command signal in the vertical blanking period of the video signal, and the added signal is recorded in the head part 1a of the tape 1.

Description

【発明の詳細な説明】 産業上の利用分野 本発明はビデオ７″ロジエクターを使用したビデオシア
ターのビデオテープレコーダ（以下ＶＴＲという）に使
用して好適なビデオテープに関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a videotape suitable for use in a videotape recorder (hereinafter referred to as VTR) of a video theater using a video 7'' logicer.

背景技術とその問題点 先にビデオプロジェクターを使用したビデオシアターが
提案されている。このビデオシアターはビデオプロジェ
クターによυ映画を上映する映画館で、従来のフィルム
に依る映画館に比較し、観客に合せたきめ細かな上映演
出ができる利点がある。Background technology and its problems A video theater using a video projector has been proposed. This video theater is a movie theater that shows movies using a video projector, and has the advantage of being able to provide detailed screening performances tailored to the audience, compared to movie theaters that rely on conventional film.

発明の目的 本発明は斯るビデオプロジェクタ−を使用したビデオシ
アターに於いて、上映しようとするビデオテープの番組
に応じて種々の上映条件を自動的に設定することができ
る様にしたものである。Purpose of the Invention The present invention enables a video theater using such a video projector to automatically set various screening conditions depending on the videotape program to be shown. .

発明の概要 ビデオプロジェクターの映像信号源としてのＶＴＲに使
用されるビデオテープに於いて、所定の指令信号を記録
し、その後に所望の番組を記録したもので、斯るビデオ
テープに依れば各ビデオシアターに於いて上映しようと
するビデオテープの番組に応じた種々の上映条件を自動
的に設定できる。Summary of the Invention In a videotape used in a VTR as a video signal source for a video projector, a predetermined command signal is recorded, and then a desired program is recorded. Various screening conditions can be automatically set according to the videotape program to be shown in a video theater.

実施例 以下図面を参照しながら本発明ビデオテープの一実施例
につき説明しよう。Embodiment An embodiment of the videotape of the present invention will be described below with reference to the drawings.

本例に於いては第１図に示す如くビデオテープ（１）の
頭部（１ａ）にこのビデオテープ（１）の番組信号記録
部（１ｂ）に記録されている番組信号に応じた指令信号
を記録する。この場合者ビデオシアターに於いてはこの
指令信号によシビデオグロ、ジェツター、劇場装置等を
自動的にセットできる如く構成する。In this example, as shown in Fig. 1, a command signal corresponding to the program signal recorded in the program signal recording section (1b) of the videotape (1) is displayed at the head (1a) of the videotape (1). Record. In this case, the video theater is constructed so that the video recorder, jetter, theater equipment, etc. can be automatically set based on this command signal.

この指令信号の例としてはビデオグロジエクターをこの
ビデオテープ（１）に記録されている番組信号例えば映
画のサイズ例えばスタンダード、ピヌタ、シネスコのい
ずれであるかによシビデオグロジェクターの画面（２）
の大きさを第２図に３点鎖線（２Ｓ）で示すサイズ、２
点鎖線（２ｖ）で示すサイズ、実線（２Ｃ）で示すサイ
ズのいずれかにする如く例えば偏向系を制御する如くす
る画面サイズ指令１６号、劇場に於けるスクリーンのサ
イズをこのビデオテープ（１）に記録した映画のサイズ
例えばスタンダード、ビスタ、シネスコかによりスクリ
ーンサイズを暗幕移動で自動セットするスクリーンサイ
ズ指令信号、グロジエクターの色信号関係の基準をセッ
ト（例えば肌色基準信号による）する色基準指令信号、
このビデオチー７’　（１）に記録されている音声信号
がモノラルか、ステレオかにょシ音声系を切換える音声
指令信号、このビデオテープ（１）に記録された映画の
連続上映ＶＴＲのセットアツプ、例えば３時間映画なら
３台のＶＴＲを使用する如くシ、この映画の上映時間が
３時間を超える場合は途中でテープ交換を指令する映画
の長さに応じた指令信号等である。An example of this command signal is to control the video grosijector depending on the program signal recorded on the videotape (1), for example, the size of the movie, such as standard, pinuta, or cinema. )
The size is shown by the three-dot chain line (2S) in Figure 2, 2
For example, the screen size instruction No. 16 controls the deflection system so that the size shown by the dotted chain line (2v) or the size shown by the solid line (2C) is set, and the screen size in the theater is set to the size shown by this videotape (1). A screen size command signal that automatically sets the screen size by moving the blackout curtain depending on the size of the movie recorded on the screen, for example, Standard, Vista, or Cinemasco; a color reference command signal that sets the standard related to the color signal of the glodiector (for example, based on a skin color reference signal);
Whether the audio signal recorded on this video tape (1) is monaural or stereo, an audio command signal for switching the audio system, a setup for a VTR for continuous screening of movies recorded on this video tape (1), etc. For a three-hour movie, three VTRs are used, and if the movie's running time exceeds three hours, a command signal is sent depending on the length of the movie to instruct the tape to be changed midway through.

この指令信号をビデオチー７’　（１）の頭部（１ａ）
に記録するのに第３図に示す如くして行う。即ち第３図
に於いて、（３）は同期信号発生回路を示し、この同期
信号発生回路（３）の垂直及び水平同期信号が所定の関
係で配列されている複合同期信号が得られる複合同期信
号出力端子（３ａ）にイｔＩられる複合同期信号を加算
回路（４）を介してビデオテープ（１）の頭部（１ａ）
に記録する様にセットされたスレーブｖ　’ｒ　ｉｔ　
（５）に供給する如くする。この同期信号発生回路（３
）の垂直同期信号出力端′子（３■）に得られる垂直同
期信号を垂直ブランキング期間の所定期間のｒ−）信号
を得るデータダート・千ルスイ８号発生回路（６）に供
給すると共にこの同期（Ｍ号発生回路（３）の水平同期
信号出力端子（３Ｈ）に得られる水平同期信号をデータ
クロック発振器（力に同期イｇ号として供給する。This command signal is sent to the head (1a) of the video chip 7' (1).
The recording is performed as shown in FIG. That is, in FIG. 3, (3) shows a synchronization signal generation circuit, and a composite synchronization signal is obtained in which a composite synchronization signal is obtained in which the vertical and horizontal synchronization signals of this synchronization signal generation circuit (3) are arranged in a predetermined relationship. The composite synchronizing signal inputted to the signal output terminal (3a) is sent to the head (1a) of the videotape (1) via the adding circuit (4).
Slave set to record v'r it
(5). This synchronization signal generation circuit (3
The vertical synchronizing signal obtained at the vertical synchronizing signal output terminal (3) of ) is supplied to the Data Dart Senrusui No. 8 generating circuit (6) which obtains the r-) signal for a predetermined period of the vertical blanking period. The horizontal synchronization signal obtained at the horizontal synchronization signal output terminal (3H) of the synchronization (M signal generation circuit (3)) is supplied as a synchronization signal to the data clock oscillator (power).

又（８）は指令信号をデジタル信号によシ設定するコー
ドセツタを示し、このコードセツタ（８）の出力イＮ号
を例えば１６ビツトのカウンタ（９）に供給する如くす
る。この場合とのカウンタ（９）はデータダート／４’
ルス信号発生回路（６）よシの垂直ブランキング期間の
ｆ−）信号が供給されたときにコードセツタ（８）にセ
ットした指令信号がカウンタ（９）に供給される如くな
されている。とのカウンタ（９）の出力信号をパラレル
信号をシリアル信号に変換する・ぐラレルーシリアル変
換器０Ｉに供給し、このパラレル−シリアル変換器α１
の出力側に得られるシリアルのデジタル信号で構成され
た指令信号を外部信号入力端子（ｈａ）に供給されるス
イッチング信号によシ切換接続される切換器αＤの可動
接点（１ｚ＋４）に供給する。この場合本例に於いては
切換暮住υの可動接点（１ｔＭ）を−力の固定接点（１
１８）にビデオテープ（１）の頭部（１ａ）の間接続す
る如くする。又・この他方の固定接点は電気的に浮いた
状態とする。この切換器ａυの一力の固定接点（１１Ｓ
）をダート同格、０邊を介して加算回路（４）の他方の
入力端子に供給す本、。Further, (8) shows a code setter for setting the command signal as a digital signal, and the output signal N of this code setter (8) is supplied to, for example, a 16-bit counter (9). In this case, the counter (9) is data dart/4'
The command signal set in the code setter (8) is supplied to the counter (9) when the f-) signal of the vertical blanking period from the pulse signal generating circuit (6) is supplied. The output signal of the counter (9) is supplied to the parallel-to-serial converter 0I which converts the parallel signal into a serial signal, and this parallel-to-serial converter α1
A command signal constituted by a serial digital signal obtained at the output side of is supplied to a movable contact (1z+4) of a switch αD which is switched and connected by a switching signal supplied to an external signal input terminal (ha). In this case, in this example, the movable contact (1 tM) of switching housing υ is replaced with the fixed contact (1 tM) of -force.
18) between the head (1a) of the video tape (1). Also, this other fixed contact is electrically floating. This switch aυ single-power fixed contact (11S
) to the other input terminal of the adder circuit (4) via the dart appositive, 0.

このｆ−）回路ａりはデータグ−トノ９ルス信号発生回
路（６）よシの垂直ブランキング期間のｅ−）信号によ
ジオンとされる如くなされている。This f-) circuit a is configured to be turned on by the e-) signal during the vertical blanking period of the data pulse signal generating circuit (6).

斯る第３図に於いて記録用のスレーブＶＴＲ（５）をビ
デオテープ（１）の頭部（１ａ）に於いて記録状態とし
、同期信号発生回路（３）を発生させ、これにより所定
の複合同期信号が加算回路（４）の一方の入力端子に供
給される。又コードセツタ（８）に設定されたデジタル
信号による指令信号は垂直ブランキング期間内のデータ
グ−トノ９ルス信号の期間にカウンタ（９）に供給され
、とのカウンタ（９）に記憶された指令信号は垂直ブラ
ンキング期間のデータ）ｆ　−）　ノ４ルス信号発生回
路（６）よυのダート信号の間・９ラレルーシリアル変
換器（ＩＩによシリアル信号に変換され、切換器ａυ及
びｒ−ト回路ｕ２を介して加算回路（４）に供給される
。従ってこのとき加算回路（４）の出力側には映像信号
の垂直ブランキング期間に指令信号が加算された信号が
得られ、これがビデオテープ（１）の頭部（１ａ）に記
録される。その後このビデオテープ（１）の番組信号部
（１ｂ）に従来の方法により所望の映画等の映像信号を
記録する。In FIG. 3, the recording slave VTR (5) is put into a recording state at the head (1a) of the video tape (1), and the synchronizing signal generating circuit (3) is generated, thereby causing a predetermined signal to be generated. A composite synchronization signal is supplied to one input terminal of the adder circuit (4). Further, the command signal based on the digital signal set in the code setter (8) is supplied to the counter (9) during the period of the data gate signal within the vertical blanking period, and the command signal stored in the counter (9) is is the data of the vertical blanking period)f-) between the dirt signal of υ and the pulse signal generation circuit (6), and is converted into a serial signal by the serial converter (II), and the switch aυ and r- It is supplied to the adder circuit (4) via the adder circuit u2.Therefore, at this time, a signal to which the command signal is added during the vertical blanking period of the video signal is obtained on the output side of the adder circuit (4), and this is the video signal. A video signal of a desired movie or the like is then recorded in the program signal section (1b) of the videotape (1) by a conventional method.

斯る上述のビデオテープ（１）を各ビデオグロジエフタ
ーを使用したビデオシアターに配給する。このビデオテ
ープ（１）を各ビデオシアターで」二映するときはこの
ビデオチーｆ（１）の頭部（１ａ）の指令４１１号を読
み出すときは第４図に示す如くして行う。第４図に於い
て（ｌ（８）は映像信号の入力端子を示し、この入力端
子（１漠よりの映像信号を指令信号？−）回路（１４Ｉ
に供給すると共に同期分離回路０５）に供給し、この同
期分離回路（１９に得られる垂直同期信号をｒ−タダー
ト・ヤルス信号発生回路（１６）に供給し垂直同期信号
に同期したデータダー　ト・ぐルス（ｉＵ　４Ｅｔ　ヲ
ｍ　ル如＜シ、このデータダート・ぐルス伯月発生回路
（１６）の出力側にＫＭられるデータケ°−トパルス信
号を指令信号ダート回路（１４ＨＣダ一ト信号として供
給する。The above-mentioned videotape (1) is distributed to a video theater using each video grozier. When this videotape (1) is to be screened in each video theater, command No. 411 from the head (1a) of this video tape (1) is read out as shown in FIG. In Fig. 4, (l(8) indicates the input terminal of the video signal, and this input terminal (14I) commands the video signal from the input terminal.
The vertical synchronizing signal obtained from this synchronizing separating circuit (19) is supplied to the r-tadart-jars signal generation circuit (16) to generate data synchronized with the vertical synchronizing signal. The data gate pulse signal that is KM is supplied to the output side of this data dart/Grus output circuit (16) as a command signal dart circuit (14HC dart signal). .

又同期分離回路（１５１に得られる水平同期信号をデー
タクロック信号発振回路（１７）に同期信号として供給
し、このデータクロックイ百号発振回路同を水平同期信
号に同期して発振する如くする。指令信号ケ・−ト回路
（１４）の出力信号を例えば１６ビツトシフトレジスタ
ｕｔｂにデータクロック信号発振回路０７）よυのデー
タクロック信号に従って読み取る如くする。Further, the horizontal synchronization signal obtained by the synchronization separation circuit (151) is supplied to the data clock signal oscillation circuit (17) as a synchronization signal, so that the data clock signal 100 oscillation circuit oscillates in synchronization with the horizontal synchronization signal. The output signal of the command signal gate circuit (14) is read into, for example, a 16-bit shift register utb according to the data clock signal of the data clock signal oscillation circuit 07).

又このシフトレジヌタ（１８）の出力信号をデータｒ　
−レぐルス信号のタイミングで１６ビツトラツチｌ印１
路（ｌＩに供給し、この１６ビツトラッチ回路α傷の１
４３ノノイ濱号をデコーダ（イ）に供給し、このデコー
ダ（地で各指令信号を再生し、このデコーダ（、！（１
）の出力信号をインターフェース回路（２０に供給し、
このインターフェース回路（２１）よシシステムコント
ロール装置ヲ動作させる如くする。例えば番組信号部（
１）））に記録されている映画がシネスコのときは両面
ツーイズ指令信号によシビ戸オグロジエクタの映像画面
〃；第２図実線（２Ｃ）の如くなる様に（Ｗ同系を制御
し、更にスクリーンサイズ指令信号により暗幕を移動し
てシネスコのスクリーンサイズとし父音声指令イ画号に
よシ例えばステレオ状態とする如くし、続いて番組信号
部（１ｂ）のシネスコの映画を上映することとなる。Also, the output signal of this shift register (18) is used as data r.
- 16 bit latch l mark 1 at timing of leg signal
1 of this 16-bit latch circuit α
43 Nonoihama is supplied to the decoder (A), this decoder (ground) reproduces each command signal, and this decoder (,!(1
) is supplied to the interface circuit (20);
This interface circuit (21) is used to operate the system control device. For example, the program signal section (
1)))) When the movie recorded in the movie is Cinemasco, the video screen of the Shibido Ogro DIECTOR is controlled by the two-sided command signal so that it looks like the solid line (2C) in Figure 2. In response to the size command signal, the blackout curtain is moved to set the screen size for cinemasco, and according to the father's audio command A picture number, for example, it is set to a stereo state, and then the cinemasco movie in the program signal section (1b) is shown.

ルｒるビデオチー７″（１１を使用するときは何等係員
が所定のセットをしなくても番組４８号に応じた設定が
でき省力化を大幅に推進できる。更に番組イ言号の終了
部に番組が終了したことを明示する指令信号を出す様に
しても良い。When using Ruru Video Team 7'' (11), the settings can be made according to program No. 48 without the need for the staff to make the specified settings, greatly promoting labor-saving. A command signal may be issued to clearly indicate that the program has ended.

尚本発明に於いては上述実施例に限らず、その他の指令
信号を記録するようにしても良いことは勿論である。It goes without saying that the present invention is not limited to the above-described embodiments, and that other command signals may be recorded.

発明の効果 本発明に依ればビデオプロジェクタ−を使用したビデオ
シアターに於いて、上映しようとする番組に応じて釉々
の上映条件を自動的に設定することができ省力化を大幅
に推進できる利益がある。Effects of the Invention According to the present invention, in a video theater using a video projector, various screening conditions can be automatically set according to the program to be shown, thereby greatly promoting labor savings. There is profit.

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

第１図は本発明ビデオテープの一実施例を示す構成図、
第２図は本発明の説明に供する線図、第３図及び第４図
は夫々本発明の説明に供する系統図である。 （１）はビデオテープ、（１ａ）は頭部、（１ｂ）は番
組信号部である。 同　　松隈秀盛。FIG. 1 is a configuration diagram showing an embodiment of the videotape of the present invention;
FIG. 2 is a diagram for explaining the present invention, and FIGS. 3 and 4 are system diagrams for explaining the present invention, respectively. (1) is the videotape, (1a) is the head, and (1b) is the program signal section. Same as Hidemori Matsukuma.

Claims (1)

【特許請求の範囲】[Claims] ビデオプロジェクターの映像信号源としてのＶＴＲに使
用されるビデオテープに於いて、所定の指令信号を記録
しその後に所望の番組を記録したことを特徴とするビデ
オテープ。A videotape used in a VTR as a video signal source for a video projector, characterized in that a predetermined command signal is recorded and then a desired program is recorded.
JP57206763A 1982-11-25 1982-11-25 Video tape Granted JPS5996507A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP57206763A JPS5996507A (en) 1982-11-25 1982-11-25 Video tape
US06/551,022 US4942488A (en) 1982-11-25 1983-11-14 Video theater system
CA000441083A CA1291261C (en) 1982-11-25 1983-11-14 Video theater system
AU21567/83A AU564386B2 (en) 1982-11-25 1983-11-21 A video theatre system
NL8304046A NL192967C (en) 1982-11-25 1983-11-24 Video theater installation.
DE19833342520 DE3342520A1 (en) 1982-11-25 1983-11-24 VIDEO THEATER SYSTEM
GB08331362A GB2132812B (en) 1982-11-25 1983-11-24 Video theatre systems
IT23902/83A IT1169143B (en) 1982-11-25 1983-11-25 VIDEOCINEMA
FR838318886A FR2536932B1 (en) 1982-11-25 1983-11-25 VIDEO CINEMA SYSTEM USING AN ORDER CODE, READ IN PLAY MODE TO AUTOMATICALLY CONTROL FOCUS, SCREEN DIMENSIONS OR OTHER PARAMETERS
CA000615631A CA1291259C (en) 1982-11-25 1990-01-26 Video theater system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57206763A JPS5996507A (en) 1982-11-25 1982-11-25 Video tape

Publications (2)

Publication Number Publication Date
JPS5996507A true JPS5996507A (en) 1984-06-04
JPH056723B2 JPH056723B2 (en) 1993-01-27

Family

ID=16528679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57206763A Granted JPS5996507A (en) 1982-11-25 1982-11-25 Video tape

Country Status (1)

Country Link
JP (1) JPS5996507A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973102A (en) * 1972-11-11 1974-07-15
JPS5750375A (en) * 1980-09-11 1982-03-24 Matsushita Electric Ind Co Ltd Disk-shaped recording carrier

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973102A (en) * 1972-11-11 1974-07-15
JPS5750375A (en) * 1980-09-11 1982-03-24 Matsushita Electric Ind Co Ltd Disk-shaped recording carrier

Also Published As

Publication number Publication date
JPH056723B2 (en) 1993-01-27

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