JPS582919A - Connection detecting circuit for electronic apparatus - Google Patents
Connection detecting circuit for electronic apparatusInfo
- Publication number
- JPS582919A JPS582919A JP56100554A JP10055481A JPS582919A JP S582919 A JPS582919 A JP S582919A JP 56100554 A JP56100554 A JP 56100554A JP 10055481 A JP10055481 A JP 10055481A JP S582919 A JPS582919 A JP S582919A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- impedance
- connection
- output
- input terminal
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
Abstract
Description
【発明の詳細な説明】
こり！ｉ明は、電子機器間の電気的接続の有無を自動的
に検出で會るようにし、た電子機器接続検出回路に関す
るものである。[Detailed description of the invention] Stiffness! The present invention relates to an electronic device connection detection circuit that automatically detects the presence or absence of electrical connection between electronic devices.
一例としてデータ収像装置をあげて説明する。A data acquisition device will be described as an example.
多種、多様な電子機器間と接続する会費があるデータａ
＊ｉｉｔにおいては、接続チャンネル、＊Ｍ傷信号種＊
１−設定することが煩雑でｌスが発生し晶い、これを図
によって説明する。Data a that requires membership fees to connect with a wide variety of electronic devices
*In IIT, connection channel, *M defect signal type*
1-Setting is complicated and errors occur, which will be explained using diagrams.
第１図はデータ収録装置と電子機器との関係を示す図で
ある。この図で、夏はデータ収像装置で。FIG. 1 is a diagram showing the relationship between a data recording device and electronic equipment. In this figure, summer is with a data acquisition device.
チヤンネルｃｈｔ−ｃｈ、ｖ有し、この各チャンネルの
所要のものに電子機器璽が接続される。この場合、多数
のチャンネルｃ ｈ Ｉ−ｃ ｈ ＠があるため、どこ
のチャンネルに電子機器Ｉが接続されているかなチ岑ツ
クする゛ことはきわめて煩雑であり１時としてＲ１人が
発生してしまう、したがって、自動的ＫＷ続を検知でき
る電子機器接続検出回路が要望されていた。It has channels cht-ch, v, and electronic equipment is connected to the required channels of each channel. In this case, since there are a large number of channels, it is extremely troublesome to check which channel the electronic device I is connected to, and R1 person may occur at any one time. Therefore, there has been a need for an electronic device connection detection circuit that can automatically detect KW connection.
この発明は、上述の点にかんがみなされたものである。This invention has been made in view of the above points.
以下、この発明について説明する。This invention will be explained below.
−第２図はこの発明の一実施例を示すものである。- FIG. 2 shows an embodiment of the present invention.
この図で、−■はデータ収骨、装置で、そのうち１個の
チャンネルにおける入力回路を示している。１は入力ア
ンプ、２は入力端子である。璽は接続される電子機器で
、３は出力アンプ、４は出力端子である。接続は出力端
子４と入力端子２とな接栓等で電気的に接続することで
行われる。１０はこの発明による電子機器接続検出回路
である。その構成は、一端が入力端子２に接続され、他
端が定電圧−Ｖ９ｍｋ接続された抵抗器１１と、一方の
入力に抵抗器１１の一端が接続された比較器１２と。In this figure, -■ indicates a data collection device, and shows an input circuit in one of the channels. 1 is an input amplifier, and 2 is an input terminal. The seals are the electronic devices to be connected, 3 is the output amplifier, and 4 is the output terminal. The connection is made by electrically connecting the output terminal 4 and the input terminal 2 with a plug or the like. 10 is an electronic device connection detection circuit according to the present invention. Its configuration includes a resistor 11 whose one end is connected to the input terminal 2 and whose other end is connected to a constant voltage -V9mk, and a comparator 12 whose one end is connected to one end of the resistor 11.
さらに比較器１２の他方の入力に接続された検出レベル
設定器１３とからなる。１４は検出信号端子である。そ
して、出力アンプ３の出力インビーメンスＺ＠ｉｃ対し
、電子機器接続検出回路１０ｖ會めたデータ収鍮側りの
入力インピーダンスｚＩは、 ｚｅ ＜ｚ、 のよう
に選定しておく、この場合、入力７ンプ１およ゛び比較
器１鵞の入力インピーダンスはきわめて大きいので、実
質的にλカインピーダンスＺ、 は抵抗器１１゛の値
と考えることにする。−例を示すと、２・＝ＩＫΩに対
し、２．＝１０Ｍ＃＠度となる。It further includes a detection level setter 13 connected to the other input of the comparator 12. 14 is a detection signal terminal. Then, with respect to the output impedance Z@ic of the output amplifier 3, the input impedance zI on the data acquisition side of the electronic device connection detection circuit 10V is selected as follows: ze < z, In this case, the input impedance z Since the input impedances of the amplifier 1 and the comparator 1 are extremely large, the λ impedance Z is substantially considered to be the value of the resistor 11. - To give an example, for 2.=IKΩ, 2. =10M#@degree.
次に＠２ｔｇｌの実施例の動作を第Ｓ図の警部の波形図
を参照して説明する。Next, the operation of the @2tgl embodiment will be explained with reference to the inspector's waveform diagram in FIG.
電子機器■が接続されるまでは、第２図の状態にあり、
出力端子４からは第３図ｃ番）に例示するような波形の
電圧が常時ａｔ″Ｃいる。第３図（ｂ）は入力端子２０
波形を示すもので、定電圧−ｖＤＤが印加されているた
め、入力端＋２の電位も−ＶＤＤとなっている０時刻Ｔ
、 ＶＣおいて電子機器■がデータ収骨装置１に接続さ
れると、定電圧−ＶＤｉｌは、抵抗器１１０値ｚｌ と
出力アンプ３の出力インピーダンスｚ０との直列体によ
り分劉されるが、ｚ。Until the electronic device ■ is connected, it will be in the state shown in Figure 2.
From the output terminal 4, there is always a voltage at''C with the waveform shown in Figure 3 (c). Figure 3 (b) shows the voltage at the input terminal 20.
This shows the waveform, and since a constant voltage -vDD is applied, the potential of the input terminal +2 is also -VDD at time 0 T.
, When the electronic device ■ is connected to the data storage device 1 at the VC, the constant voltage -VDil is divided by the series body of the resistor 110 value zl and the output impedance z0 of the output amplifier 3, but z .
くｚＩであるので、入力端子２は出力端子４と同一の電
位となり１時刻Ｔ１以後は第３図（１）と同じ液形電圧
が入力端子２、すなわち、比較５１２の一方の入力に加
わることになる。比較器１２では検出レベル設定器１３
により検出レベル■１が設定されているので、入力端子
２の電位が電子機器Ｉｔ接続したことにより上昇し検出
レベルｖｌを超えると出力を出す、これを縞３図（＠）
Ｋ示す。Since the input terminal 2 is at the same potential as the output terminal 4, the same liquid voltage as in FIG. become. In the comparator 12, the detection level setter 13
Since detection level ■1 is set by , when the potential of input terminal 2 rises due to the connection of electronic device It and exceeds the detection level vl, an output is output.This is shown in Fig. 3 (@)
Show K.
したがって、比較〒１２に出力が出ていれば電子機６１
がデータ収骨装置１に接続されていることが判別できる
。Therefore, if the output is at comparison 〒12, electronic device 61
It can be determined that the data bone collection device 1 is connected to the data bone collection device 1.
第４図はこのＪＡ男の他１、の実施例を示すものである
。この実施例では、電位変化検出手段として凧２図の実
施例の比較６１１２Ｋかえて、微分回路１１と９）ψガ
浄の単安定マルチバイブレータ１６とを用いた虻のであ
る。FIG. 4 shows another embodiment of this JA man. In this embodiment, a differentiating circuit 11 and a monostable multivibrator 16 of 9) ψ filter are used as the potential change detection means, instead of the kite 6112K of the embodiment shown in FIG.
次に動作′を第１ＩＩの要部の波形図を参照して説―す
る。Next, the operation ' will be explained with reference to the waveform diagram of the main part of Part 1II.
出力端子４の電圧液形番１１図（ａ）（第５ａＣａ）ど
岡じ）ｋ承すようであり１時刻’ｒ、 ｋ鉛いて電子横
優璽の接続がなされると、入力端子２の電位変化は１１
１１１（ｂ）（第＊＊＜ｂ）と同じ）ｋ示すよう妃なぁ
、入力端子宜の電位変化はそのま〜微分−絡１１Ｋｊｌ
ｌわる゛ので、と五で微分されて第島■（・）のような
ｗＬ形となる。したがって、単安定マ斉チバイグレータ
１・は微分回路１１の出力で９）替ガされて出力として
第＝１１Ｈ纏）ｋ示すような出力＆出す、これは第３１
１（＠）に示す出力に他ならない、かくして電子様器■
の接続を検出することができる。・
なお、上記実施例では、データ収＊装置１に電子機−１
を接続す番場合について違ぺたが、これは−例であって
、一般的には装置本体に電子機器を接続するものｋとの
尭−は適用することができる。また、抵抗器１１に代え
て、インダクタンス。Voltage of output terminal 4 (Fig. 11 (a) (No. 5aCa) Dokaji) seems to be accepted, and at 1 time, when the electronic horizontal connection is made, the voltage of input terminal 2 is The potential change is 11
111(b) (same as **<b)) As shown in the diagram, the change in potential at the input terminal remains as it is - differential - circuit 11Kjl
Since l is different, it is differentiated by and 5, resulting in a wL shape like the island ■ (・). Therefore, the monostable machining converter 1 is changed by the output of the differentiating circuit 11 and is output as shown in the 31st
The output shown in 1 (@) is nothing but an electronic-like device■
connection can be detected.・In the above embodiment, the data collection device 1 includes the electronic device 1.
However, this is just an example, and it can generally be applied to cases where electronic equipment is connected to the main body of the device. Also, in place of the resistor 11, an inductance may be used.
キャパシタンス勢の他のインピーダンス素子を用いるこ
ともできる。Other impedance elements such as capacitance may also be used.
以上詳細に説明したように゛、この発明は装置本体の入
力端子に接続される電子機器の出力インピーダンスより
も大きな籠のインピーダンス素子を接続し、このインピ
ーダン＼素子の前記入力端子と友対伺に接地を含む定電
圧を印加し、久方端子側を、春比較器、あ木いは微分回
路と単安定ｉルチぶイタレータからなる電位変化検出手
段ｋｍ続したので、伊妬めて簡単な構ｇｃ゛・よって装
置本体に接続される電子機器の接続の有無を的確Ｋｑ４
Ｊ断で鎗、従来のような操作の煩雑・Ｅ、操作ξスを回
避できる利点がある。□ −゛As explained in detail above, the present invention connects a cage impedance element larger than the output impedance of the electronic device connected to the input terminal of the device main body, and connects this impedance element to the input terminal of the element. A constant voltage including grounding was applied, and the terminal side was connected to the potential change detection means consisting of a spring comparator, a differential circuit, and a monostable I-multiple iterator, resulting in an extremely simple structure. gc゛・Therefore, it is possible to accurately check whether or not electronic devices are connected to the main unit of the device.
J-cutting has the advantage of avoiding the complicated operations required in the conventional method. □ −゛
第ｔｌｌＩはこの発明の適用対象のニガとしてのデータ
収骨装置と電子機器との関係１示す図、第２図はこの発
＠６−＊施例を示す回路図、第３図は第２図の実施例の
動作を説明するための波形図。
第４１１はとの＊ａの他の実施例を示す回路図、萬５図
は第４図の実施例の動作を説明するための波形図である
。
図中、！はデータ収骨装置、ｌは電子ｍ器、１は入力ア
ンプ、２は入力端子、３は出力アンプ、４は出力端子、
１０は電子機器接続検出回路、１１は抵抗器、１２は比
較ｍｌ、１３は検出レベル設定器、１４は検出信号端子
、１Ｍは微分回路、１・は単安定マルチバイブレータで
ある。
−第３区
第１図
第２図 １
〜
１１１ｍ Ｔ１１Ｉ続
＝１−
第５図
ｔａ ” ＩＩ統
一１＝
（ｄ）０
第４図
■
〜Fig. 3 is a diagram showing the relationship 1 between the data collection device and electronic equipment to which this invention is applied, Fig. 2 is a circuit diagram showing this example @6-* Fig. 3 is Fig. 2 FIG. 3 is a waveform diagram for explaining the operation of the embodiment. Fig. 411 is a circuit diagram showing another embodiment of *a, and Fig. 5 is a waveform diagram for explaining the operation of the embodiment of Fig. 4. In the diagram! is a data collection device, l is an electronic device, 1 is an input amplifier, 2 is an input terminal, 3 is an output amplifier, 4 is an output terminal,
10 is an electronic device connection detection circuit, 11 is a resistor, 12 is a comparison ml, 13 is a detection level setter, 14 is a detection signal terminal, 1M is a differential circuit, and 1 is a monostable multivibrator. - Section 3, Figure 1, Figure 2 1 ~ 111m T11I continuation = 1 - Figure 5 ta ” II unified 1 = (d) 0 Figure 4 ■ ~
Claims (1)
ーダンスに比較して十分大きい値のインピーダンス素子
を接続し、このインピーダンス素子の前記入力端子、と
反対側に定電圧を印加し、さらに前記インピーダンス素
子の前記入力端子側に電位置化検出手段を接続したく、
とを特！とする電子機器の接続検ａＳｗ隆。[Claims] In a device that connects a device main body and an electronic device. An impedance element having a sufficiently large value compared to the output impedance of the front electronic equipment is connected to the input terminal of the device main body side, a constant voltage is applied to the opposite side of the input terminal of this impedance element, and further the impedance I want to connect a voltage position detection means to the input terminal side of the element,
Special! ASW Takashi, who inspects the connection of electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56100554A JPS582919A (en) | 1981-06-30 | 1981-06-30 | Connection detecting circuit for electronic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56100554A JPS582919A (en) | 1981-06-30 | 1981-06-30 | Connection detecting circuit for electronic apparatus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1060289A Division JPH021010A (en) | 1989-03-13 | 1989-03-13 | Connection detecting circuit for electronic apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS582919A true JPS582919A (en) | 1983-01-08 |
| JPH0218508B2 JPH0218508B2 (en) | 1990-04-25 |
Family
ID=14277152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56100554A Granted JPS582919A (en) | 1981-06-30 | 1981-06-30 | Connection detecting circuit for electronic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS582919A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60175134A (en) * | 1984-02-20 | 1985-09-09 | Fujitsu Ltd | Connection checking system of equipment |
| JPH02199693A (en) * | 1989-01-27 | 1990-08-08 | Nec Home Electron Ltd | Ic device |
| WO1994015299A1 (en) * | 1992-12-21 | 1994-07-07 | Siemens Aktiengesellschaft | Arrangement with plug-in functional units |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03103306U (en) * | 1990-02-13 | 1991-10-28 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54123849A (en) * | 1978-03-17 | 1979-09-26 | Hitachi Ltd | Detector for structure error |
| JPS5547546A (en) * | 1978-09-29 | 1980-04-04 | Oki Electric Ind Co Ltd | Microcomputer circuit |
-
1981
- 1981-06-30 JP JP56100554A patent/JPS582919A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54123849A (en) * | 1978-03-17 | 1979-09-26 | Hitachi Ltd | Detector for structure error |
| JPS5547546A (en) * | 1978-09-29 | 1980-04-04 | Oki Electric Ind Co Ltd | Microcomputer circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60175134A (en) * | 1984-02-20 | 1985-09-09 | Fujitsu Ltd | Connection checking system of equipment |
| JPH02199693A (en) * | 1989-01-27 | 1990-08-08 | Nec Home Electron Ltd | Ic device |
| WO1994015299A1 (en) * | 1992-12-21 | 1994-07-07 | Siemens Aktiengesellschaft | Arrangement with plug-in functional units |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0218508B2 (en) | 1990-04-25 |
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