JPH0389592U - - Google Patents
Info
- Publication number
- JPH0389592U JPH0389592U JP15150089U JP15150089U JPH0389592U JP H0389592 U JPH0389592 U JP H0389592U JP 15150089 U JP15150089 U JP 15150089U JP 15150089 U JP15150089 U JP 15150089U JP H0389592 U JPH0389592 U JP H0389592U
- Authority
- JP
- Japan
- Prior art keywords
- block
- source
- switching
- center block
- center
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Studio Circuits (AREA)
Description
第１図は、この考案の第１実施例を示すブロツ
ク図である。第２図は、第１図における電源投入
検出器及び制御回路１８の具体例を示すブロツク
図である。第３図は、この考案の第２実施例を示
すブロツク図である。第４図は、この考案の第３
実施例を示すブロツク図である。
１０ａ〜１０ｄ，５４ａ，５４ｂ，８１〜８４
……ソースブロツク、１２，４８，８６，８８，
９０……センタブロツク、１３ａ〜１３ｄ，６８
……ソース選択スイツチ（切換手段）、２０ａ〜
２０ｄ，６２ａ，６２ｂ，１８，６０，１０６…
…電源投入検出器及び制御回路（電源投入検出手
段、制御手段）、９２……入出力セレクタ（切換
手段）。
FIG. 1 is a block diagram showing a first embodiment of this invention. FIG. 2 is a block diagram showing a specific example of the power-on detector and control circuit 18 in FIG. FIG. 3 is a block diagram showing a second embodiment of this invention. Figure 4 shows the third part of this idea.
FIG. 2 is a block diagram showing an embodiment. 10a-10d, 54a, 54b, 81-84
...Source block, 12, 48, 86, 88,
90...Center block, 13a-13d, 68
...Source selection switch (switching means), 20a~
20d, 62a, 62b, 18, 60, 106...
...Power-on detector and control circuit (power-on detection means, control means), 92...Input/output selector (switching means).
Claims (1)
せからなるＡＶシステムにおいて、 各ソースブロツクの電源投入を検出する電源投
入検出手段と、 センタブロツクあるいはセンタブロツクとソー
スブロツクとの間に設けられ、センタブロツクと
各ソースブロツクとの間の信号入出力の接続状態
を切換える切換手段と、 前記電源投入検出手段によりいずれかのソース
ブロツクの電源投入が検出されたとき、前記セン
タブロツクの電源を投入状態に変化または保持す
るように制御すると共に、電源投入が検出された
ソースブロツクの信号がシステム内で伝達可能と
なるように前記切換手段を制御する制御手段と を具備することを特徴とするＡＶシステム。[Scope of Claim for Utility Model Registration] In an AV system consisting of a combination of a center block and a plurality of source blocks, a power-on detection means for detecting power-on of each source block, and a device between the center block or the center block and the source blocks. switching means for switching the signal input/output connection state between the center block and each source block; and a switching means for switching the signal input/output connection state between the center block and each source block; and a control means for controlling the switching means so that the source block changes or is maintained in the on state, and a signal from the source block whose power is detected to be turned on can be transmitted within the system. AV system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15150089U JPH0389592U (en) | 1989-12-28 | 1989-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15150089U JPH0389592U (en) | 1989-12-28 | 1989-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0389592U true JPH0389592U (en) | 1991-09-12 |
Family
ID=31697798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15150089U Pending JPH0389592U (en) | 1989-12-28 | 1989-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0389592U (en) |
-
1989
- 1989-12-28 JP JP15150089U patent/JPH0389592U/ja active Pending