JPH0619259Y2 - Simultaneous audio listening circuit for mother screen and child screen in PIP control system - Google Patents
Simultaneous audio listening circuit for mother screen and child screen in PIP control systemInfo
- Publication number
- JPH0619259Y2 JPH0619259Y2 JP1989091414U JP9141489U JPH0619259Y2 JP H0619259 Y2 JPH0619259 Y2 JP H0619259Y2 JP 1989091414 U JP1989091414 U JP 1989091414U JP 9141489 U JP9141489 U JP 9141489U JP H0619259 Y2 JPH0619259 Y2 JP H0619259Y2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- input
- switching
- screen
- predetermined
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/607—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for more than one sound signal, e.g. stereo, multilanguages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Television Receiver Circuits (AREA)
Description
【考案の詳細な説明】 産業上の利用分野 本考案はピクチュア イン ピクチュア（以下、ＰＩＰ
と称する）制御システムにおける母画面及び子画面の音
声を同時に選択聴取し得る回路に係るものである。[Detailed Description of the Invention] Industrial Field of Application The present invention is a picture-in-picture (hereinafter referred to as PIP).
(Referred to below) as a circuit related to a circuit capable of simultaneously selecting and listening to sounds of a mother screen and a child screen in a control system.
従来の技術及び問題点 従来の方法はＰＩＰ機能のあるハイファイＶＴＲで使用
者が母画面あるいは子画面を選択する場合、二つの回路
が同一なモードとして駆動されるのでＴＶモニタを通じ
て母画面と子画面との音声を全部聴取することができな
い問題点があった。2. Description of the Related Art In the conventional method, when a user selects a mother screen or a child screen in a high-fidelity VTR having a PIP function, two circuits are driven in the same mode, so that the mother screen and the child screen are displayed through a TV monitor. There was a problem that I could not hear all the voices.
問題点を解決する手段 したがって本考案の目的は母画面のモードと子画面のモ
ードを各々分離して駆動することができるので母画面及
び子画面の音声信号を同時に聴取し得るＰＩＰ制御シス
テムによって母画面及び子画面の音声同時聴取回路を提
供することにある。SUMMARY OF THE INVENTION Therefore, the object of the present invention is to enable the mother screen mode and the subsidiary screen mode to be separately driven, so that the mother screen and the subsidiary screen can be simultaneously heard by the PIP control system. An object is to provide a circuit for simultaneously listening to a screen and a sub screen.
実施例 以下、本考案を添付図面を参照して詳細に説明する。Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
図は本考案による回路図であって、スイッチ２１，２
２，２３で構成されて母画面／子画面の選択信号入力端
子９を通じた所定の選択信号により上記電源入力端子７
を通じた所定の電源あるいは遅延再生信号入力端子８を
通じた所定の遅延再生信号をスイッチング選択すると共
に、選択した信号に応じて後述のハイファイ音の入力部
１０より供給されるハイファイ音の信号をハイファイラ
イン出力端子３，４に出力する第１スイッチング部２０
と、 雑音除去器１１，１４，変復調器１２，１５，記録及び
プリアンプ１３，１６で構成されて上記第１スイッチン
グ部２０でスイッチング選択された信号が遅延再生信号
である場合再生モードに切換られてハイファイヘッド１
７及び加算器１８を通じたハイファイ再生信号を入力し
て増幅及び復調し、上記第１スイッチング部２０でスイ
ッチング選択された信号が電源である場合、ＥＥモード
に切換られてライン入力端子５，６を通じたＥＥ信号を
入力して雑音を除去するハイファイ音の入力部１０と、 スイッチ３１，３２で構成されて上記母画面／子画面の
選択信号入力端子９を通じた所定の選択信号により上記
電源入力端子７を通じた電源をスイッチング選択すると
か、遅延再生信号入力端子８を通じた所定の遅延再生信
号をスイッチング選択すると共に、選択した信号に応じ
て後述のリニア音の入力部５０より供給されるリニア音
の信号をライン出力端子２に出力する第２スイッチング
部３０と、 スイッチ５１，５２，プリアンプ５３，記録アンプ５
４，ラインアンプ５６とで構成されて上記第１スイッチ
ング部２０のスイッチング状態によりリニヤヘッド５５
を通じたリニヤ再生信号を入力するとか、ライン入力端
子５７を通じたＥＥ信号を入力するリニヤ音の入力部５
０と、 スイッチ４１，４２で構成されて母音声／子音声の選択
信号入力端子９０を通じた所定の選択信号により上記第
１スイッチ部２０を通じたハイファイ音の入力部１０の
出力信号をスイッチング選択するとか、上記第２スイッ
チ部３０を通じたリニヤ音の入力部５０の出力信号をス
イッチング選択する第３スイッチ部４０と、 上記第１スイッチング部２０を通じた上記ハイファイ音
の入力部１０の出力信号を加算したのち、出力端子８１
を通じて所定のＲＦコンバータに出力する加算器８０
と、 上記第３スイッチ部４０を通じて入力した所定信号を増
幅したのち、ヘッドホンジャック端子１に出力するアン
プ６０と、 上記第３スイッチ部４０を通じて入力した所定信号を増
幅したのち、上記ヘッドホンジャック端子１に出力する
アンプ７０とで構成される。The figure is a circuit diagram according to the present invention.
2 and 23, and the power input terminal 7 according to a predetermined selection signal through the selection signal input terminal 9 of the mother screen / child screen.
Through a predetermined power source or a predetermined delayed reproduction signal through the delayed reproduction signal input terminal 8 is selected by switching, and a high fidelity sound signal supplied from a hi-fi sound input unit 10 described later according to the selected signal is hi-fi lined. First switching unit 20 for outputting to output terminals 3 and 4
If the signal composed of the noise removers 11 and 14, the modulators / demodulators 12 and 15, the recording and preamplifiers 13 and 16 and selected by the first switching unit 20 is a delayed reproduction signal, the reproduction mode is switched to. Hi-fi head 1
7 and the high-fidelity reproduced signal from the adder 18 are input to be amplified and demodulated. When the signal selected by the first switching unit 20 is a power source, the EE mode is switched to the line input terminals 5 and 6. The input terminal 10 of a high-fidelity sound for inputting the EE signal to remove noise and the switches 31 and 32, and the power input terminal according to a predetermined selection signal through the selection signal input terminal 9 of the mother screen / child screen. 7 is selected for switching the power source, or a predetermined delayed reproduction signal through the delayed reproduction signal input terminal 8 is selected for switching, and the linear sound supplied from the later-described linear sound input unit 50 is selected according to the selected signal. The second switching unit 30 that outputs a signal to the line output terminal 2, the switches 51 and 52, the preamplifier 53, and the recording amplifier 5
4, a line amplifier 56, and a linear head 55 depending on the switching state of the first switching unit 20.
A linear sound input section 5 for inputting a linear reproduction signal through the line input terminal 5 or for inputting an EE signal through the line input terminal 57.
0 and a switch 41, 42 for switching and selecting the output signal of the hi-fi sound input unit 10 through the first switch unit 20 according to a predetermined selection signal through the vowel / consonant selection signal input terminal 90. In addition, the output signal of the high fidelity sound input unit 10 through the first switching unit 20 and the third switch unit 40 for switching and selecting the output signal of the linear sound through the second switch unit 30 are added. After that, output terminal 81
Adder 80 for outputting to a predetermined RF converter through
An amplifier 60 that amplifies a predetermined signal input through the third switch unit 40 and then outputs the amplified signal to the headphone jack terminal 1; and an amplifier 60 that amplifies the predetermined signal input through the third switch unit 40 and then outputs the headphone jack terminal 1 And an amplifier 70 that outputs to the.
以下、本考案を前述の第１図を参照して詳細に説明す
る。Hereinafter, the present invention will be described in detail with reference to FIG.
ＰＩＰが動作される状態で母画面／子画面の制御信号入
力端子９を通じて所定の母画面選択信号、即ち“ハイ”
信号が入力される場合、スイッチ２３はｂ端子を接続す
る。この時、遅延再生信号入力端子８を通じた所定の遅
延再生信号、即ち“ロウ”信号はスイッチ２３を通じて
雑音除去器１１，１４，変復調器１２，１５，記録及び
プリアンプ１３，１６に各々入力して上記雑音除去器１
１，１４，変復調器１２，１５，記録及びプリアンプ１
３，１６をすべて再生モードに転換する。これにより、
ハイファイヘッド１７で生成された所定のハイファイ再
生信号は加算器１８，記録及びプリアンプ１３，変復調
器１２によって元の信号に復調された後、スイッチ２１
のａ端子に入力し、又加算器１８，記録及びプリアンプ
１６，変復調器１５によって元の信号に復調された後、
スイッチ２２のａ端子に入力する。When the PIP is operated, a predetermined mother screen selection signal, that is, "high" is input through the mother screen / child screen control signal input terminal 9.
When a signal is input, the switch 23 connects the b terminal. At this time, a predetermined delayed reproduction signal from the delayed reproduction signal input terminal 8, that is, a "low" signal is input to the noise removers 11 and 14, the modulator / demodulators 12 and 15, the recording and preamplifiers 13 and 16 through the switch 23, respectively. The noise eliminator 1
1, 14, modulator / demodulator 12, 15, recording and preamplifier 1
Switch all 3 and 16 to playback mode. This allows
The predetermined hi-fi reproduction signal generated by the hi-fi head 17 is demodulated to the original signal by the adder 18, the recording / preamplifier 13, and the modulator / demodulator 12, and then the switch 21.
Input to the terminal a, and after being demodulated to the original signal by the adder 18, the recording and preamplifier 16, and the modulator / demodulator 15,
Input to the terminal a of the switch 22.
一方、上記スイッチ２１，２２は上記遅延再生信号が入
力されることにより各々端子ａを接続するので上記のス
イッチ２１，２２を通じたハイファイ再生信号は各々ラ
イン出力端子３，４に出力すると共に加算器８０に入力
する。又、上記スイッチ２１及び２２を通じたハイファ
イ再生信号はスイッチ４１，４２のａ端子に入力する。
この時、上記加算器８０はスイッチ２１を通じたハイフ
ァイ再生信号とスイッチ２２を通じたハイファイ再生信
号を混合したのち、出力端子８１を通じて所定のＲＦコ
ンバータに出力するので使用者はＴＶモニタ（図示され
ていない）等で母画面の音声を聴取することができる。
一方、上記母画面／子画面の制御信号入力端子９を通じ
て入力された所定の母画面の選択信号によってスイッチ
３２はａ端子を接続し、これにより電源入力端子７を通
じた所定の電源は上記スイッチ３２を通じて上記スイッ
チ３１に入力する。この時、上記スイッチ３１は入力さ
れた所定の電源によってａ端子を接続する。そして、ラ
イン入力端子５７を通じた所定のＥＥ信号はラインアン
プ５６で増幅されたのち、上記スイッチ３１を通じてラ
イン出力端子２に出力すると共に上記スイッチ４１，４
２のｂ端子に各々入力する。この時、母音声／子音声の
選択信号入力端子９０を通じて所定の子音声の選択信号
が入力されると、上記スイッチ４１，４２はｂ端子を接
続するので上記リニヤ再生信号は各々スイッチ４１，４
２及びアンプ６０，７０を通じてヘッドホンジャック１
に入力する。従って、ライン出力端子３，４及び所定の
コンバータを通じて母画面の音声信号を聴取することが
でき、ヘッドホンジャック１を通じては子画面の音声信
号を聴取することができる。On the other hand, since the switches 21 and 22 connect the terminals a to each other when the delayed reproduction signal is input, the high fidelity reproduction signals from the switches 21 and 22 are output to the line output terminals 3 and 4, respectively, and the adder is added. Enter 80. The high-fidelity reproduced signal from the switches 21 and 22 is input to the terminals a of the switches 41 and 42.
At this time, the adder 80 mixes the high fidelity reproduced signal from the switch 21 and the high fidelity reproduced signal from the switch 22, and then outputs the mixture to a predetermined RF converter via the output terminal 81, so that the user can monitor the TV monitor (not shown). ) Etc. can hear the sound of the mother screen.
On the other hand, the switch 32 connects the a terminal in response to a predetermined mother screen selection signal input through the mother screen / slave screen control signal input terminal 9, so that the predetermined power source through the power input terminal 7 operates as the switch 32. Through the switch 31. At this time, the switch 31 connects the a terminal by the input predetermined power source. The predetermined EE signal from the line input terminal 57 is amplified by the line amplifier 56, and then output to the line output terminal 2 through the switch 31 and the switches 41 and 4 are output.
Input to b terminal of 2 respectively. At this time, when a predetermined consonant voice selection signal is input through the vowel / consonant voice selection signal input terminal 90, the switches 41 and 42 connect the terminals b, so that the linear reproduction signals are switched to the switches 41 and 4, respectively.
2 and the headphone jack 1 through the amplifiers 60 and 70
To enter. Therefore, the audio signal of the mother screen can be heard through the line output terminals 3 and 4 and a predetermined converter, and the audio signal of the child screen can be heard through the headphone jack 1.
一方、母画面／子画面の選択信号入力端子９を通じて所
定の子画面の選択信号、即ち“ロウ”信号が入力される
と、上記スイッチ２３はａ端子に切換し、これにより電
源入力端子７及びスイッチ２３を通じた所定の電源によ
って上記スイッチ２１，２２はａ端子に切換接続する。
又、上記電源入力端子７を通じた所定の電源によって上
記雑音除去器１１，１４，変復調器１２，１５，記録及
びプリアンプ１３，１６はＥＥモードに切換される。ラ
イン入力端子５を通じた所定のＥＥ信号は雑音除去器１
１を通じて上記スイッチ２１の端子に入力し、ライン入
力端子６を通じた所定のＥＥ信号は雑音除去器１４を通
じてスイッチ２２のｂ端子に入力する。これにより、上
記スイッチ２１，２２を通じたＥＥ信号は上記ハイファ
イライン出力端子３，４を通じて所定のシステムに出力
すると共に加算器８０に入力する。On the other hand, when a predetermined child screen selection signal, that is, a "low" signal is input through the mother screen / child screen selection signal input terminal 9, the switch 23 is switched to the a terminal, whereby the power input terminal 7 and The switches 21 and 22 are switched and connected to the a terminal by a predetermined power source through the switch 23.
Further, the noise cancellers 11 and 14, the modulator / demodulators 12 and 15, the recording and preamplifiers 13 and 16 are switched to the EE mode by a predetermined power source through the power source input terminal 7. The predetermined EE signal through the line input terminal 5 is the noise eliminator 1
The signal is input to the terminal of the switch 21 through 1 and the predetermined EE signal through the line input terminal 6 is input through the noise eliminator 14 to the terminal b of the switch 22. As a result, the EE signal from the switches 21 and 22 is output to the predetermined system through the hi-fi line output terminals 3 and 4 and is input to the adder 80.
一方、上記子画面選択信号によって上記スイッチ３２は
ｂ端子を接続するので上記電源入力端子７及び上記スイ
ッチ３０を通じた電源によって上記スイッチ３１はａ端
子を接続する。又、上記電源入力端子７を通じた所定の
電源によって上記スイッチ５１及び５２はｂ端子を接続
するのでリニヤヘッド５５によって再生されたリニヤ再
生信号はスイッチ５２，プリアンプ５３及びスイッチ５
１を通じて上記スイッチ３１のａ端子に入力する。これ
により上記スイッチ３１を通じたリニヤ再生信号はライ
ン出力端子２に入力すると共に上記スイッチ４１，４２
のｂ端子に入力する。この時、母音声／子音声の選択信
号入力端子９０を通じて所定の子音声の選択信号が入力
されると、上記スイッチ４１，４２はｂ端子を接続する
ので上記リニヤ再生信号は各々アンプ６０，７０を通じ
てヘッドホンジャック１に入力する。On the other hand, since the switch 32 is connected to the b terminal by the sub-screen selection signal, the switch 31 is connected to the a terminal by the power source through the power input terminal 7 and the switch 30. Further, since the switches 51 and 52 are connected to the b terminal by the predetermined power source through the power source input terminal 7, the linear reproduction signal reproduced by the linear head 55 is the switch 52, the preamplifier 53 and the switch 5.
1 is input to the terminal a of the switch 31. As a result, the linear reproduction signal from the switch 31 is input to the line output terminal 2 and the switches 41 and 42 are
Input to terminal b. At this time, when a predetermined consonant selection signal is input through the vowel / consonant selection signal input terminal 90, the switches 41 and 42 connect the terminals b, so that the linear reproduction signals are input to the amplifiers 60 and 70, respectively. To the headphone jack 1 through.
従って、ハイファイライン出力端子３，４及び所定のＲ
Ｆコンバータを通じてＥＥ画面の音声を聴取することが
できるし、ヘッドホンジャック１を通じて再生画面の音
声を聴取することができる。Therefore, the hi-fi line output terminals 3 and 4 and the predetermined R
The sound of the EE screen can be heard through the F converter, and the sound of the reproduction screen can be heard through the headphone jack 1.
考案の効果 上述したように本考案はＰＩＰ機能のあるＶＴＲにおけ
る母画面のモードと子画面のモードを分離して駆動する
ことができるので母画面及び子画面の音声を同時に選択
聴取し得る利点がある。Effect of the Invention As described above, the present invention can separately drive the mother screen mode and the child screen mode in the VTR having the PIP function, and thus has an advantage that the mother screen and the child screen sounds can be selected and heard at the same time. is there.
又、使用者がＴＶモニタを通じて母画面の音声を聴取す
る間に第３者はヘッドホンを通じて子画面の音声を聴取
することができるのでＶＴＲ２台の効果を得ることがで
きる利点がある。Also, while the user listens to the mother screen sound through the TV monitor, the third party can listen to the child screen sound through the headphones, so that there is an advantage that the effect of two VTRs can be obtained.
図は本考案による回路図である。 １０…ハイファイ（ＨｉＦｉ）音の入力部、２０…第１
スイッチ部、３０…第２スイッチ部、４０…第３スイッ
チ部、５０…リニヤ音の入力部、６０，７０…アンプ、
８０…加算器。The figure is a circuit diagram according to the present invention. 10 ... Input part of HiFi sound, 20 ... 1st
Switch section, 30 ... second switch section, 40 ... third switch section, 50 ... linear sound input section, 60, 70 ... amplifier,
80 ... Adder.
Claims (1)
母画面／子画面の選択信号入力端子（９）を通じた所定
の選択信号により上記電源入力端子（７）を通じた所定
の電源をスイッチング選択するとか、遅延再生信号入力
端子（８）を通じた所定の遅延再生信号をスイッチング
選択すると共に、選択した信号に応じて後述のハイファ
イ音の入力部（１０）より供給されるハイファイ音の信
号をハイファイライン出力端子（３，４）に出力する第
１スイッチング部（２０）と、 上記第１スイッチング部（２０）でスイッチング選択さ
れた信号が遅延再生信号である場合に再生モードに切換
えられてハイファイヘッド（１７）及び加算器（１８）
を通じたハイファイヘッド再生信号を入力して増幅及び
復調し、上記第１スイッチング部（２０）でスイッチン
グ選択された信号が電源である場合、ＥＥモードに切換
られてライン入力端子（５，６）を通じたＥＥ信号を入
力して雑音を除去するハイファイ音の入力部（１０）
と、 上記母画面／子画面の選択信号入力端子（９）を通じた
所定の選択信号により上記電源入力端子（７）を通じた
電源をスイッチングするとか、遅延再生信号入力端子
（８）を通じた所定の遅延再生信号をスイッチング選択
すると共に、選択した信号に応じて後述のリニア音の入
力部（５０）より供給されるリニア音の信号をライン出
力端子（２）に出力する第２スイッチング部（３０）
と、 上記第１スイッチング部（２０）のスイッチング状態に
よりリニヤヘッド（５５）を通じたリニヤ再生信号を入
力するとか、ライン入力端子（５７）を通じたＥＥ信号
を入力するリニヤ音の入力部（５０）と、 母音声／子音声の選択信号入力端子（９０）を通じた所
定の選択信号により上記第１スイッチ部（２０）を通じ
たハイファイ音の入力部（１０）の出力信号をスイッチ
ング選択するとか、上記第２スイッチ部（３０）を通じ
たリニヤ音の入力部５０の出力信号をスイッチング選択
する第３スイッチ部（４０）と、 上記第１スイッチ部（２０）を通じた上記ハイファイ音
の入力部（１０）の出力信号を加算したのち、出力端子
（８１）を通じて所定のＲＦコンバータに出力する加算
器（８０）と、 上記第３スイッチ部（４０）を通じて入力した所定信号
を増幅したのち、ヘッドホンジャック端子（１）に出力
するアンプ（６０，７０）とを有することを特徴とする
ＰＩＰ制御システムにおける母画面及び子画面の音声同
時聴取回路。1. In a VTR equipped with a PIP system,
A predetermined power source through the power input terminal (7) is selected by switching according to a predetermined selection signal through the mother screen / slave screen selection signal input terminal (9), or a predetermined power is output through the delayed reproduction signal input terminal (8). A first switching unit for switching-selecting a delayed reproduction signal and outputting a high-fi sound signal supplied from a high-fi sound input unit (10) described later to the high-fi line output terminals (3, 4) according to the selected signal. (20) and when the signal switching-selected by the first switching unit (20) is a delayed reproduction signal, the reproduction mode is switched to the hi-fi head (17) and the adder (18).
When the signal selected by the first switching unit (20) is the power source, the HI mode is switched to the EE mode and the line input terminals (5, 6) are input. Input part of high-fidelity sound that inputs EE signal and removes noise (10)
And switching the power source through the power source input terminal (7) according to a predetermined selection signal through the selection signal input terminal (9) of the mother screen / slave screen or a predetermined selection signal through the delayed reproduction signal input terminal (8). A second switching unit (30) for switching-selecting the delayed reproduction signal and outputting a linear sound signal supplied from a linear sound input unit (50) described later according to the selected signal to the line output terminal (2).
And a linear sound input unit (50) for inputting a linear reproduction signal through the linear head (55) or an EE signal for inputting an EE signal through the line input terminal (57) depending on the switching state of the first switching unit (20). A switching selection of the output signal of the hi-fi sound input unit (10) through the first switch unit (20) according to a predetermined selection signal through the vowel / consonant selection signal input terminal (90); The third switch section (40) for switching and selecting the output signal of the linear sound input section 50 through the two-switch section (30) and the hi-fi sound input section (10) through the first switch section (20). After adding the output signals, an adder (80) for outputting to a predetermined RF converter through an output terminal (81) and the third switch section (40) are provided. A simultaneous audio listening circuit for a mother screen and a child screen in a PIP control system, comprising: an amplifier (60, 70) for amplifying a predetermined signal input through the headphone jack terminal (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1988-13053 | 1988-08-08 | ||
| KR2019880013053U KR910006099Y1 (en) | 1988-08-08 | 1988-08-08 | Sound circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0298572U JPH0298572U (en) | 1990-08-06 |
| JPH0619259Y2 true JPH0619259Y2 (en) | 1994-05-18 |
Family
ID=19278299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989091414U Expired - Lifetime JPH0619259Y2 (en) | 1988-08-08 | 1989-08-02 | Simultaneous audio listening circuit for mother screen and child screen in PIP control system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0619259Y2 (en) |
| KR (1) | KR910006099Y1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2672425B2 (en) * | 1991-11-01 | 1997-11-05 | 三菱電機株式会社 | Multi-screen magnetic recording / reproducing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527754A (en) * | 1983-08-26 | 1985-07-09 | E. I. Du Pont De Nemours And Company | Non-thermal expanding spool for carbon fiber oxidation |
| JPS60185992A (en) * | 1984-03-05 | 1985-09-21 | 株式会社富士通ゼネラル | Image superimposer |
-
1988
- 1988-08-08 KR KR2019880013053U patent/KR910006099Y1/en not_active IP Right Cessation
-
1989
- 1989-08-02 JP JP1989091414U patent/JPH0619259Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0298572U (en) | 1990-08-06 |
| KR910006099Y1 (en) | 1991-08-16 |
| KR900005923U (en) | 1990-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |