JPH0446780U - - Google Patents
Info
- Publication number
- JPH0446780U JPH0446780U JP1990088852U JP8885290U JPH0446780U JP H0446780 U JPH0446780 U JP H0446780U JP 1990088852 U JP1990088852 U JP 1990088852U JP 8885290 U JP8885290 U JP 8885290U JP H0446780 U JPH0446780 U JP H0446780U
- Authority
- JP
- Japan
- Prior art keywords
- output
- input
- signal
- switching circuit
- input switching
- 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
Description
第１図は本考案の入力切換回路のブロツク図、
第２図は信号検出部のブロツク図、第３図は入力
確認のフローチヤートである。
図中、１は入力切換回路、２ａ〜２ｃは入力端
子、３および３ａ〜３ｃは信号検出部、４は入力
切換部、５は信号出力端子、６は制御部、６ａは
選択信号、６ｂは制御信号、７は電源制御信号出
力端子、８はキー入力部、９はリモコン信号受信
部、１０はリモコン操作器、１１は入力信号、１
２は増幅器、１３は整流回路、１４は弁別回路、
１５は検出信号である。
Figure 1 is a block diagram of the input switching circuit of the present invention.
FIG. 2 is a block diagram of the signal detection section, and FIG. 3 is a flowchart of input confirmation. In the figure, 1 is an input switching circuit, 2a to 2c are input terminals, 3 and 3a to 3c are signal detection units, 4 is an input switching unit, 5 is a signal output terminal, 6 is a control unit, 6a is a selection signal, and 6b is a Control signal, 7 is a power supply control signal output terminal, 8 is a key input section, 9 is a remote control signal receiving section, 10 is a remote control operator, 11 is an input signal, 1
2 is an amplifier, 13 is a rectifier circuit, 14 is a discrimination circuit,
15 is a detection signal.
Claims (1)
複数組の入力を備え、リモコン信号受信部を介し
たリモコン操作器またはキー入力部の出力する操
作指令を入力した制御部の制御出力により同入力
の一つを選択するＡＶ機器の入力切換回路におい
て前記各入力に映像信号および／または音声信号
の検出回路を備え、同検出回路の出力をそれぞれ
前記制御部に供給し、同検出出力のある入力の選
択信号を同制御部より出力することを特徴とする
ＡＶ機器の入力切換回路。 (2) 前記検出出力が複数の入力において確認さ
れたとき、前記制御部内のメモリにあらかじめ記
憶してある優先順位により一つの入力を選択する
ことを特徴とする請求項(1)記載のＡＶ機器の入
力切換回路。 (3) 前記検出出力が何れの入力においても未確
認のとき、前記制御部内のメモリにあらかじめ記
憶してあるデータにより所定の一入力を選択する
ことを特徴とする請求項(1)または(2)記載のＡＶ
機器の入力切換回路。 (4) 前記制御部より出力する選択信号により選
択した入力の信号を供給する映像表示装置および
／または音響出力装置の電源ＯＮの制御信号を出
力することを特徴とする請求項(1)乃至(3)記載の
ＡＶ機器の入力切換回路。 (5) 前記入力切換回路の出力信号を供給する映
像表示装置および／または音響出力装置に商用電
源を供給する電源コンセント、および同電源コン
セントに供給する商用電源をＯＮ／ＯＦＦするス
イツチを備え、前記制御部の出力する制御信号に
より同スイツチをＯＮとすることを特徴とする請
求項(1)乃至(4)記載のＡＶ機器の入力切換回路。[Claims for Utility Model Registration] (1) A device that is equipped with a plurality of sets of inputs including a video signal and an audio signal, and inputs operation commands output from a remote controller or key input unit via a remote control signal receiving unit. In an input switching circuit of an AV device that selects one of the same inputs according to a control output of a control section, each of the inputs is provided with a detection circuit for a video signal and/or an audio signal, and the output of the detection circuit is sent to the control section. 1. An input switching circuit for AV equipment, characterized in that the control unit outputs a selection signal of an input having the same detection output. (2) The AV device according to claim (1), wherein when the detection output is confirmed in a plurality of inputs, one input is selected according to a priority order stored in advance in a memory in the control unit. input switching circuit. (3) Claim (1) or (2) characterized in that when the detection output is unconfirmed for any input, a predetermined one input is selected based on data stored in advance in a memory in the control unit. AV listed
Equipment input switching circuit. (4) Claims (1) to (4) characterized in that the control unit outputs a control signal for turning on the power of a video display device and/or an audio output device that supplies a selected input signal based on a selection signal output from the control section. 3) Input switching circuit for the AV equipment described. (5) A power outlet for supplying commercial power to the video display device and/or the audio output device that supplies the output signal of the input switching circuit, and a switch for turning on/off the commercial power supplied to the power outlet; 5. The input switching circuit for AV equipment according to claim 1, wherein the switch is turned on by a control signal output from the control section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990088852U JPH0446780U (en) | 1990-08-24 | 1990-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990088852U JPH0446780U (en) | 1990-08-24 | 1990-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0446780U true JPH0446780U (en) | 1992-04-21 |
Family
ID=31822427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990088852U Pending JPH0446780U (en) | 1990-08-24 | 1990-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446780U (en) |
-
1990
- 1990-08-24 JP JP1990088852U patent/JPH0446780U/ja active Pending
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