JPS60119121U - signal switching device - Google Patents
signal switching deviceInfo
- Publication number
- JPS60119121U JPS60119121U JP612784U JP612784U JPS60119121U JP S60119121 U JPS60119121 U JP S60119121U JP 612784 U JP612784 U JP 612784U JP 612784 U JP612784 U JP 612784U JP S60119121 U JPS60119121 U JP S60119121U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- switching device
- signal switching
- controls
- level
- 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
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の信号切換装置を示す図、第２図は本考案
になる信号切換装置を示す図、第３図は第２図の本考案
になる信号切換装置の構成をさらに具体的に示す図、第
４図は第３図の本考案にな−る信号切換装置の制御部１
４のＲＯＭ１７中のプログラム手順の一例を示す図であ
る。
１１・・・信号切換スイッチ、１２・・・電子ボリウム
、１４・・・制御部、１５・・・入力ポート、１６・・
・ 。
ＣＰＵ （中央演算処理装置）、１７・・・ＲＯＭ、１
ｇ・・・ＲＡＭ、１９・・・出力ポート。Fig. 1 is a diagram showing a conventional signal switching device, Fig. 2 is a diagram showing a signal switching device according to the present invention, and Fig. 3 is a diagram showing the configuration of the signal switching device according to the present invention shown in Fig. 2 in more detail. The figure shown in FIG. 4 is the control section 1 of the signal switching device according to the present invention shown in FIG. 3.
4 is a diagram showing an example of a program procedure in the ROM 17 of No. 4. FIG. 11...Signal changeover switch, 12...Electronic volume, 14...Control unit, 15...Input port, 16...
・ . CPU (central processing unit), 17...ROM, 1
g...RAM, 19...Output port.
Claims (1)
って、前記入力情報信号の切換えが電気的に制御される
信号切換スイッチと、前記信号切、 換スイッチによ
り切換え出力された情報信号の信号レベルの調整が電気
的に制御される電子ボリウムと、前記電子ボリウムの信
号レベルを最小にするよう制御する第１の制御信号、前
記信号切換スイッチの入力情報信号を所望の情報信号に
切換えるよう制御する第２の制御信号及び前記電子ボリ
ウムの信号レベルを所定のレベルにするよう制御する第
３の制御信号を順次出力する制御部とを備えた信号切換
装置。A signal switching device that switches and outputs a plurality of input information signals, the signal switching device electrically controlling switching of the input information signal, and a signal level of the information signal switched and output by the signal switching switch. an electronic volume whose adjustment is electrically controlled; a first control signal that controls the signal level of the electronic volume to be minimized; and a first control signal that controls the input information signal of the signal changeover switch to switch to a desired information signal. A signal switching device comprising: a control section that sequentially outputs a second control signal and a third control signal that controls the signal level of the electronic volume to a predetermined level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP612784U JPS60119121U (en) | 1984-01-20 | 1984-01-20 | signal switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP612784U JPS60119121U (en) | 1984-01-20 | 1984-01-20 | signal switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60119121U true JPS60119121U (en) | 1985-08-12 |
Family
ID=30483284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP612784U Pending JPS60119121U (en) | 1984-01-20 | 1984-01-20 | signal switching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60119121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6312918U (en) * | 1986-07-09 | 1988-01-28 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5736009B2 (en) * | 1976-01-16 | 1982-08-02 |
-
1984
- 1984-01-20 JP JP612784U patent/JPS60119121U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5736009B2 (en) * | 1976-01-16 | 1982-08-02 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6312918U (en) * | 1986-07-09 | 1988-01-28 |
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