JPS5916449A - Multi-contact signal voltage generator circuit - Google Patents
Multi-contact signal voltage generator circuitInfo
- Publication number
- JPS5916449A JPS5916449A JP12623882A JP12623882A JPS5916449A JP S5916449 A JPS5916449 A JP S5916449A JP 12623882 A JP12623882 A JP 12623882A JP 12623882 A JP12623882 A JP 12623882A JP S5916449 A JPS5916449 A JP S5916449A
- Authority
- JP
- Japan
- Prior art keywords
- contact
- fang
- voltage
- contacts
- resistors
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/22—Static coding
- H03M11/24—Static coding using analogue means, e.g. by coding the states of multiple switches into a single multi-level analogue signal or by indicating the type of a device using the voltage level at a specific tap of a resistive divider
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electronic Switches (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、供給電圧をｎ種の接点の開閉の組み合せで２
ｎ分割することによって、どの接点が開閉されているか
を情報として出力する多種接点信号電圧発生回路に関す
る。DETAILED DESCRIPTION OF THE INVENTION The present invention provides two types of supply voltage by combining n types of opening and closing contacts.
The present invention relates to a multi-contact signal voltage generation circuit that outputs information as to which contacts are opened and closed by dividing the voltage into n parts.
第１図は従来のｎ種接点信号電圧発生回路の例である。FIG. 1 shows an example of a conventional n-type contact signal voltage generation circuit.
従来の回路は、第１図に示すような構成であるので２ｎ
通りの出力は供給電圧をほぼ均等に分割した値にはなり
えなかった。The conventional circuit has a configuration as shown in Figure 1, so 2n
The actual output could not be approximately an even division of the supply voltage.
また、抵抗島、亀、・・・・・・恥のため、接点を全部
閉としても出力電圧はＯｖにはならない等の欠点があっ
た。Furthermore, due to the resistance island, tortoise, etc., there was a drawback that even if all the contacts were closed, the output voltage did not reach Ov.
牙２図はｎ＝２の場合の回路例である。Figure 2 is an example of a circuit when n=2.
２個の接点では接点Ａ、Ｈの開閉の組み合せは２２＝４
通シで、ＡＳＢ＝（０，０）（０，１）（１，０）（１
，１）となる。 なお、この場合の０は接点の閉、１は
開にそれぞれ対応している。With two contacts, the combination of opening and closing of contacts A and H is 22 = 4
In general, ASB=(0,0)(0,1)(1,0)(1
,1). Note that in this case, 0 corresponds to a closed contact, and 1 corresponds to an open contact.
接点ＡＸＢがともに（ｏ、ｏ）の場合は（０，１）の場
合は
（１、Ｏ）の場合は
（１，１）の場合は
Ｖｏｕｔ−Ｖｃｃ ■よ
りそれぞれＶｏｕｔを求めることができる。When the contacts AXB are both (o, o), when they are (0, 1), when they are (1, O), when they are (1, 1), Vout can be obtained from Vout-Vcc.
い捷、この回路で最適と考えられる数値としてＲ，１＝
１０ ＫΩ、Ｒ，２＝＝５ＫＱＸＲｓ＝２０にΩを代
入Ｖｃｃ＝５Ｖとすると、上記■■■■のＶｏｕｔはそ
れぞれ１．４■、１．７Ｖ、３．３Ｖ、５Ｖの値を得る
。 この中で（０，０）と（０，１）の間の出力電圧の
差は０．３Ｖで、この２つのモードを識別するには不充
分な電圧差であった・本発明の目的は、ｎ種の接点の開
閉の組み合わせによって得られる２ｎ通りの信号レベル
を、供給電圧をほぼ均等に分割した電圧差で出力できる
多種接点信号電圧発生回路を提供することにある。However, as a value that is considered optimal for this circuit, R,1=
When Ω is substituted into 10 KΩ, R, 2==5KQXRs=20 and Vcc=5V, the Vout of the above ■■■■ obtains values of 1.4■, 1.7V, 3.3V, and 5V, respectively. Among these, the difference in output voltage between (0,0) and (0,1) was 0.3V, which was insufficient voltage difference to distinguish between these two modes.The purpose of the present invention is to An object of the present invention is to provide a multi-contact signal voltage generation circuit capable of outputting 2n signal levels obtained by opening/closing combinations of n types of contacts using voltage differences obtained by dividing the supply voltage approximately equally.
前記目的を達成するだめに本発明による多種接点信号電
圧発生回路は、牙１の接点に対する第１、牙２、第３の
抵抗を電圧供給源とアース間に直列接続するとともに牙
１の接点を前記第１、牙２の抵抗の接続点とアース間に
挿入し、次に第２の接点に対する第１、牙２、第３の抵
抗を電圧供給源と第１の接点に対する第２、第３の抵抗
の接続点間に直列接続するとともに牙２の接点を第２の
接点に対する第１、第２の抵抗の接続点とアース間に挿
入し、以下、同様にオｎ番目の接点に対する第１、第２
、第３の抵抗を電圧供給源と牙（ｎ−１）番目の接点に
対する牙２、第３の抵抗の接続点間に直列接続するとと
もにオｎ番目の接点をオｎ番目の接点に対する第１、第
２の、抵抗の接続点とアース間に挿入し、前記ｎ種の接
点の開閉の組み合せで発生する２ｎ種の信号レベルの出
力端子をオｎ番目の接点に対する第２、牙３の抵抗の接
続点とし＼この２ｎ種の信号レベルが前記供給電圧を分
割してほぼ等間隔の電圧差で得られるように前目己各抵
抗値を選択して構成されている、
前記構成によれば本発明の目的は完全に達成される。In order to achieve the above object, the multi-contact signal voltage generation circuit according to the present invention connects the first, second, and third resistors for the contact of fang 1 in series between the voltage supply source and the ground, and connects the contact of fang 1 in series. The first, fang 2 resistors are inserted between the connection point of the resistors and the ground, and then the first, fang 2, and third resistors are connected to the voltage supply source and the second and third resistors are connected to the first contact. are connected in series between the connection points of the resistors, and the contact of fang 2 is inserted between the connection points of the first and second resistors for the second contact and the ground, and the first , second
, a third resistor is connected in series between the voltage supply source and the connection point of Fang 2 for Fang (n-1)th contact, and the third resistor, and the first , is inserted between the connection point of the second resistor and the ground, and the output terminal of the 2n types of signal levels generated by the combination of opening and closing of the n types of contacts is turned on. According to the above configuration, each resistance value is selected so that the signal levels of the 2n types are obtained by dividing the supply voltage and obtaining voltage differences at approximately equal intervals. The objectives of the invention are fully achieved.
以下、図面を参照して本発明をさらに詳しく説明する。Hereinafter, the present invention will be explained in more detail with reference to the drawings.
牙３図は本発明による多種接点信号電圧発生回路を示す
回路図である。FIG. 3 is a circuit diagram showing a multi-contact signal voltage generating circuit according to the present invention.
図において、Ｓｌ、Ｓｌ、・・・・・・Ｓｎは牙１、第
２・・・・・・オｎの接点をそれぞれ示す。In the figure, Sl, Sl, . . . Sn indicate the first, second, . . . ON contacts, respectively.
几１−１１几＋−２，Ｒｘ−３は第１の接点Ｓ＋の第１
、第２、第３の抵抗を、Ｒｚ−ｒ Ｒ２−２Ｒ２−３
は、＋２゜接点ｓ２の第１、牙２、第３の抵抗をそれぞ
れ示す。几1-11几+-2, Rx-3 is the first contact point S+
, the second and third resistors are Rz-r R2-2R2-3
represent the first, tooth 2, and third resistances of the +2° contact s2, respectively.
以下、同様にＲｎ、ｔｓ Ｒｎ、ｚ、島、３はオｎの接
点８ｎの牙１、牙２１牙３の抵抗をそれぞれ示す。Similarly, Rn, ts, Rn, z, and 3 represent the resistances of fang 1, fang 21, and fang 3 of the on contact 8n, respectively.
このような回路構成であると、供給電圧ＶＣＣを２ｎに
ほぼ均等に分割した２ｎ通の信号レベルを得ることので
きる各抵抗の抵抗値を選択可能である。 実際の使用で
は各抵抗値は等価回路を算出し、その段階で設定するこ
とになる。With such a circuit configuration, it is possible to select the resistance value of each resistor that can obtain 2n signal levels obtained by dividing the supply voltage VCC almost equally into 2n. In actual use, the equivalent circuit is calculated and each resistance value is set at that stage.
牙４図は本発明の第１の実施例で、ｎ＝２の場合の回路
図である。 接点Ａ、Ｂが（０−１）の場合は牙５図（
ａ）、（１，０）の場合は第５図（ｂ）、（１，１）の
場合は牙５図（ｃ）に示す等価回路がそれぞれ成りたち
、計算式は第５図＜ａｔは牙５図（ｂ）は
第５図（Ｃ）は
となる。Figure 4 shows the first embodiment of the present invention, and is a circuit diagram when n=2. If contact points A and B are (0-1), fang 5 (
In the case of a), (1, 0), the equivalent circuit shown in Fig. 5 (b), and in the case of (1, 1), the equivalent circuit shown in Fig. 5 (c) is formed, respectively, and the calculation formula is shown in Fig. 5 < at Fang 5 (b) and Fig. 5 (C) become.
いま、Ｖｃｃ＝５ Ｖ、 Ｒ＋、ｔ−Ｒ２，ｘ＝＝５．
．６ ＫＱ、Ｒ＋＋、 ２＝Ｒｚ、２＝几２，３＝２６
ＫＱ、 Ｒ１，３＝１２０にΩの数値を代入すると接
点Ａ、Ｂが（０，０）（１，０）（０，１）（１，１）
の！それ（’れ０Ｖｓ１．４ Ｖ、 ３．ＯＶ、 ４．
６ Ｖ トｆｘ ’Ｉ 、各信号ｖベル間の電圧差は１
．５ｖ前後となって各モードを識別するに充分なレベル
差になる。Now, Vcc=5 V, R+, t-R2, x==5.
．． 6 KQ, R++, 2=Rz, 2=几2,3=26
Substituting the value of Ω into KQ, R1,3=120, contacts A and B are (0,0) (1,0) (0,1) (1,1)
of! It('re0Vs1.4 V, 3.OV, 4.
6 V to fx 'I, the voltage difference between each signal v bell is 1
．． The voltage is around 5V, which is a sufficient level difference to distinguish each mode.
第６図は本発明の第２の実施例で１ｎ＝３の場合である
。 この回路の等価回路はオフ図に示され、接点ＡＳＢ
、Ｃの８通りのモード（０，０１０）（０，０，１）（
０，１，０）（０，１，１）（１，０，０）（１，０，
１）（１，１１０）（１，１，１）の等価回路はそれぞ
れ牙７図（ａ）、（ｂ）、（ｃ）、（ｄ）、（ｅ）、（
ｆ）、（ｇ）、（ｈ）で表わされるＯ
以上、詳しく説明したように本発明による多種接点信号
電圧発生回路は特に複雑々回路構成にすることなしに、
ｎ種の接点の開閉状態を示す電圧値を、明確に識別でき
る値に設定可能である。FIG. 6 shows a second embodiment of the present invention in which 1n=3. The equivalent circuit for this circuit is shown in the OFF diagram, with contacts ASB
, 8 modes of C (0,010)(0,0,1)(
0,1,0)(0,1,1)(1,0,0)(1,0,
1) The equivalent circuits of (1, 110) and (1, 1, 1) are shown in Figure 7 (a), (b), (c), (d), (e), (
O represented by f), (g), and (h) As explained above in detail, the multi-contact signal voltage generating circuit according to the present invention does not require a particularly complicated circuit configuration.
The voltage value indicating the open/closed state of the n types of contacts can be set to a value that can be clearly identified.
したがって、応用範囲として人工衛星等がロケットより
分離されたこと等ヲ示す、セパレーションスイッチの開
閉状態をテレメータで伝送するシステム等に利用できる
。Therefore, the present invention can be used in a system for transmitting the open/closed state of a separation switch using a telemeter, which indicates that an artificial satellite or the like has been separated from a rocket.
牙１図は従来のｎ種接点信号電圧発生回路の回路図、第
２図は２種の接点による信号電圧発生回路の一例を示す
回路図、第３図は本発明による多種接点信号電圧発生回
路の回路図九第４図は本発明の第１の実施例を示す回路
図、第５図は第４図の各モードの等価回路図、聞・６図
は本発明の第２の実施例を示す回路図、オフ図は第６図
の各モードの等価回路図である０Ａ１Ｂ１ Ｃ５８１〜
８ｎ・・・接点
１も１．＋ 〜Ｒ４，３、Ｒ２，１〜１１１２．３ 、
Ｒｎ＋１〜Ｒｎ＋ ３・・・抵抗
特許出願人 日本電気株式会社
代理人 弁理士 井 ノ ロ 壽２９
オフ図
（ｂ’１
＝３０１Figure 1 is a circuit diagram of a conventional n-type contact signal voltage generation circuit, Figure 2 is a circuit diagram showing an example of a signal voltage generation circuit using two types of contacts, and Figure 3 is a multi-type contact signal voltage generation circuit according to the present invention. Circuit diagram 9 Figure 4 is a circuit diagram showing the first embodiment of the present invention, Figure 5 is an equivalent circuit diagram of each mode in Figure 4, and Figure 6 is a circuit diagram showing the second embodiment of the present invention. The circuit diagrams and OFF diagrams shown are equivalent circuit diagrams of each mode in Figure 6.0A1B1 C581~
8n...Contact 1 is also 1. + ~R4,3, R2,1~1112.3,
Rn+1 to Rn+ 3...Resistance patent applicant NEC Corporation representative Patent attorney Hisashi Inoro 29 Off view (b'1 = 301
Claims (1)
電圧供給源とアース間に直列接続するとともに、第１の
接点を前記牙ト第２の抵抗の接続点とアース間に挿入し
、第２の接点に対する牙１、牙２、牙３の抵抗を電圧供
給源と第１の接点に対する第２、牙３の抵抗の接続点間
に直列接続するとともに牙２の接点を牙２の接点に対す
る第１、第２の抵抗の接続点とアース間に挿入し、以下
、同様にオｎ番目の接点に対する第１、第２、牙３の抵
抗を電圧供給源と牙（ｎ−１）番目の接点に対する第２
、第３の抵抗の接続点間に直列接続するとともにオｎ番
目の接点をオｎ番目の接点に対する第１、第２の抵抗の
接続点とアース間に挿入し、前記ｎ種の接点の開閉の組
合せで発生する２ｎ種の信号レベルの出力端子をオｎ番
目の接点に対する第２、第３の抵抗の接続点とし、この
２ｎ種め信号レベルが前記供給電圧を分割してほぼ等間
隔の電圧差で得られるように前記各抵抗値を選択したこ
とを特徴とする多種接点信号電圧発生回路。The resistors 3 and 3 of the first contact point are connected in series between the voltage supply source and the ground, and the first contact is inserted between the connection point of the second resistor and the ground. The resistances of Fang 1, Fang 2, and Fang 3 to the second contact are connected in series between the voltage supply source and the connection point of the second and Fang 3 resistances to the first contact, and the contact of Fang 2 is connected to Fang 2. Similarly, the resistances of the first, second and fang 3 for the n-th contact are connected between the voltage supply source and the fang (n-1). ) for the second contact point
, are connected in series between the connection points of the third resistor, and the on-th contact is inserted between the connection points of the first and second resistors for the on-n-th contact and the ground, and the n types of contacts are opened and closed. The output terminal of the 2n types of signal levels generated by the combination of is used as the connection point of the second and third resistors for the n-th contact, and these 2n types of signal levels divide the supply voltage and are distributed at approximately equal intervals. A multi-contact signal voltage generation circuit characterized in that each of the resistance values is selected so as to be obtained by a voltage difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12623882A JPS5916449A (en) | 1982-07-20 | 1982-07-20 | Multi-contact signal voltage generator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12623882A JPS5916449A (en) | 1982-07-20 | 1982-07-20 | Multi-contact signal voltage generator circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5916449A true JPS5916449A (en) | 1984-01-27 |
| JPS6333816B2 JPS6333816B2 (en) | 1988-07-07 |
Family
ID=14930206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12623882A Granted JPS5916449A (en) | 1982-07-20 | 1982-07-20 | Multi-contact signal voltage generator circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5916449A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61199321A (en) * | 1985-02-28 | 1986-09-03 | Tokyo Juki Ind Co Ltd | Switch input circuit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04100209U (en) * | 1991-01-25 | 1992-08-31 |
-
1982
- 1982-07-20 JP JP12623882A patent/JPS5916449A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61199321A (en) * | 1985-02-28 | 1986-09-03 | Tokyo Juki Ind Co Ltd | Switch input circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6333816B2 (en) | 1988-07-07 |
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