JPH0359780U - - Google Patents
Info
- Publication number
- JPH0359780U JPH0359780U JP12152589U JP12152589U JPH0359780U JP H0359780 U JPH0359780 U JP H0359780U JP 12152589 U JP12152589 U JP 12152589U JP 12152589 U JP12152589 U JP 12152589U JP H0359780 U JPH0359780 U JP H0359780U
- Authority
- JP
- Japan
- Prior art keywords
- external
- fader
- video mixing
- fader device
- amplifier
- 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
Links
Landscapes
- Studio Circuits (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
第１図の動作を示す波形図である。
１０１……第１外部フエーダー電圧、１０２…
…第２外部フエーダー電圧、１０３……第１外部
フエーダー取り切り信号、１０４……第２外部フ
エーダー取り切り信号、１０５……映像混合増幅
器ベース信号、１０６……第１取り切り信号、１
０７……第２取り切り信号、１０８……外部フエ
ーダー接続信号、１０９……外部フエーダーベー
ス信号、１１０……映像混合増幅器フエーダー電
圧、１１１……外部フエーダー電圧、１１２……
外部フエーダー取り切り信号、１１３……映像混
合増幅器フエーダー取り切り信号、２０１……Ｒ
−Ｓラツチ回路、２０２……排他的論理和ゲート
、２０３，２０４……リレー回路、２０５，２０
６，２０７……論理和ゲート。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a waveform diagram showing the operation of FIG. 1. 101...first external fader voltage, 102...
...Second external fader voltage, 103...First external fader cutting signal, 104...Second external fader cutting signal, 105...Video mixing amplifier base signal, 106...First cutting signal, 1
07...Second cutting signal, 108...External fader connection signal, 109...External fader base signal, 110...Video mixing amplifier fader voltage, 111...External fader voltage, 112...
External fader cutting signal, 113...Video mixing amplifier fader cutting signal, 201...R
-S latch circuit, 202...exclusive OR gate, 203, 204...relay circuit, 205, 20
6,207...OR gate.
Claims (1)
的に切離しフエーダーレバーを動かした後再び接
続する場合に、映像混合増幅器の現在出力してい
る画像とこれから移動する画像のうち基準となつ
ている外部フエーダー装置のベース信号を比較す
る手段と、前記比較手段において不一致が確認さ
れた場合に外部フエーダー装置の外部フエーダー
電圧を切替えて映像混合増幅器のフエーダー電圧
と一致させることにより、外部フエーダー装置接
続時の映像混合増幅器出力映像の不一致を防ぐ手
段とを具備することを特徴とする外部フエーダー
装置。 When the external fader device is electrically disconnected from the video mixing amplifier and reconnected after moving the fader lever, the external fader device that is the reference between the currently output image of the video mixing amplifier and the image to be moved from now on. video mixing when an external fader device is connected by means for comparing the base signals of the external fader device and, if a discrepancy is confirmed in the comparing means, switching the external fader voltage of the external fader device to match the fader voltage of the video mixing amplifier. An external fader device comprising means for preventing discrepancies in amplifier output images.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12152589U JPH0359780U (en) | 1989-10-16 | 1989-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12152589U JPH0359780U (en) | 1989-10-16 | 1989-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0359780U true JPH0359780U (en) | 1991-06-12 |
Family
ID=31669559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12152589U Pending JPH0359780U (en) | 1989-10-16 | 1989-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0359780U (en) |
-
1989
- 1989-10-16 JP JP12152589U patent/JPH0359780U/ja active Pending