JPS6413525U - - Google Patents
Info
- Publication number
- JPS6413525U JPS6413525U JP10726287U JP10726287U JPS6413525U JP S6413525 U JPS6413525 U JP S6413525U JP 10726287 U JP10726287 U JP 10726287U JP 10726287 U JP10726287 U JP 10726287U JP S6413525 U JPS6413525 U JP S6413525U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- control
- circuit
- generates
- receives
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Voltage And Current In General (AREA)
Description
第１図は本考案の電圧制御方式の実施例の構成
を示す図、第２図は従来の電圧多段切替方式の構
成を示す図である。
１，３……電圧発生ユニツト、２，４……制御
部、５……Ｄ／Ａ変換器、Ａ，Ａ１，Ａ２……演
算増幅器、Ｅ１……基準電圧電源、Ｒ１〜Ｒ７…
…抵抗器、Ｓ１〜Ｓ３……スイツチ。
FIG. 1 is a diagram showing the configuration of an embodiment of the voltage control system of the present invention, and FIG. 2 is a diagram showing the configuration of a conventional voltage multi-stage switching system. 1, 3...Voltage generation unit, 2, 4...Control unit, 5...D/A converter, A, A1 , A2 ...Operation amplifier, E1 ...Reference voltage power supply, R1 to R 7 ...
...Resistor, S1 to S3 ...Switch.
Claims (1)
する電圧発生ユニツト内に、外部からの制御電流
を受けて前記所定電圧発生の基準となる制御電圧
を発生する抵抗器回路と該制御電圧の分圧電圧を
取り出す分圧回路を有し、前記所定電圧値を制御
する制御部には、デイジタル制御信号を受けてア
ナログ制御電流に変換するＤ／Ａ変換器と、アナ
ログ制御電流を制御電圧に変換する抵抗回路と、
該制御電圧と前記分圧電圧とを受けて前記制御電
流を電圧発生ユニツト内の抵抗器回路へ出力する
増幅回路とを有することを特徴とする電圧制御方
式。 A voltage generating unit that generates a predetermined voltage according to the purpose of use in the copying machine includes a resistor circuit that receives an external control current and generates a control voltage that is a reference for generating the predetermined voltage, and a resistor circuit that generates a control voltage that is a reference for generating the predetermined voltage. The control section that has a voltage dividing circuit that takes out the piezoelectric voltage and controls the predetermined voltage value includes a D/A converter that receives a digital control signal and converts it into an analog control current, and a D/A converter that converts the analog control current into a control voltage. a resistance circuit that
A voltage control system comprising: an amplifier circuit that receives the control voltage and the divided voltage and outputs the control current to a resistor circuit in a voltage generating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10726287U JPS6413525U (en) | 1987-07-13 | 1987-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10726287U JPS6413525U (en) | 1987-07-13 | 1987-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6413525U true JPS6413525U (en) | 1989-01-24 |
Family
ID=31341514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10726287U Pending JPS6413525U (en) | 1987-07-13 | 1987-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6413525U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6079414A (en) * | 1983-09-30 | 1985-05-07 | Matsushita Electric Works Ltd | Current superposing circuit |
-
1987
- 1987-07-13 JP JP10726287U patent/JPS6413525U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6079414A (en) * | 1983-09-30 | 1985-05-07 | Matsushita Electric Works Ltd | Current superposing circuit |