JPS62104227U - - Google Patents
Info
- Publication number
- JPS62104227U JPS62104227U JP19429685U JP19429685U JPS62104227U JP S62104227 U JPS62104227 U JP S62104227U JP 19429685 U JP19429685 U JP 19429685U JP 19429685 U JP19429685 U JP 19429685U JP S62104227 U JPS62104227 U JP S62104227U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- acousto
- output signal
- control
- modulation
- 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
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の一例を示すブロツク図、第２
図は本考案の駆動回路の制御回路の一例を示す回
路図、第３図は音響光学素子の構成例を示す図、
第４図は駆動電力と回折効率の関係を示すグラフ
、第５図、第６図は制御電圧と回折効率の関係を
示すグラフである。
１……発振回路、３……変調回路、５……制御
回路、９……可変インピーダンス素子、３１……
駆動回路、３３……圧電素子、３４……媒体。
Figure 1 is a block diagram showing an example of the present invention, Figure 2 is a block diagram showing an example of the invention.
The figure is a circuit diagram showing an example of the control circuit of the drive circuit of the present invention, FIG. 3 is a diagram showing an example of the configuration of the acousto-optic element,
FIG. 4 is a graph showing the relationship between drive power and diffraction efficiency, and FIGS. 5 and 6 are graphs showing the relationship between control voltage and diffraction efficiency. 1... Oscillation circuit, 3... Modulation circuit, 5... Control circuit, 9... Variable impedance element, 31...
Drive circuit, 33... piezoelectric element, 34... medium.
Claims (1)
変調する変調回路と、該変調回路の出力信号レベ
ルを制御する制御回路とを備えて成る音響光学素
子用駆動回路において、制御回路は音響光学素子
の回折効率を該制御回路に入力する制御電圧にほ
ぼ比例するよう前記変調回路の出力信号レベルを
制御するようせしめて成ることを特徴とする音響
光学素子用駆動回路。 (2) 制御回路は、制御電圧によりインピーダン
スの変化する可変インピーダンス素子と変調回路
の出力電圧を所定の大きさの範囲内に制限する制
限回路とを有する実用新案登録請求の範囲第１項
記載の音響光学素子用駆動回路。 (3) 制御回路は、半固定可変抵抗器により構成
される実用新案登録請求の範囲第２項記載の音響
光学素子用駆動回路。 (4) 変調回路は、該変調回路の出力信号の電圧
の大きさをＯＶの状態か所定の高電位レベルにオ
ン・オフ制御する実用新案登録請求の範囲第１項
又は第２項記載の音響光学素子用駆動回路。[Claims for Utility Model Registration] (1) For an acousto-optic device comprising an oscillation circuit, a modulation circuit that amplitude modulates the output signal of the oscillation circuit, and a control circuit that controls the output signal level of the modulation circuit. In the drive circuit, the control circuit controls the output signal level of the modulation circuit so that the diffraction efficiency of the acousto-optic element is approximately proportional to the control voltage input to the control circuit. drive circuit. (2) The control circuit has a variable impedance element whose impedance changes depending on the control voltage and a limiting circuit that limits the output voltage of the modulation circuit within a predetermined size range. Drive circuit for acousto-optic elements. (3) The acousto-optic device drive circuit according to claim 2, wherein the control circuit is constituted by a semi-fixed variable resistor. (4) The modulation circuit is an acoustic device according to claim 1 or 2 of the utility model registration, which controls on/off the magnitude of the voltage of the output signal of the modulation circuit to an OV state or a predetermined high potential level. Drive circuit for optical elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985194296U JPH0224102Y2 (en) | 1985-12-19 | 1985-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985194296U JPH0224102Y2 (en) | 1985-12-19 | 1985-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62104227U true JPS62104227U (en) | 1987-07-03 |
| JPH0224102Y2 JPH0224102Y2 (en) | 1990-07-02 |
Family
ID=31151139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985194296U Expired JPH0224102Y2 (en) | 1985-12-19 | 1985-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224102Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3654458B2 (en) * | 1995-10-31 | 2005-06-02 | アークレイ株式会社 | Light source device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58113117U (en) * | 1982-01-27 | 1983-08-02 | 理化学研究所 | high voltage power supply |
| JPS59198425A (en) * | 1983-04-26 | 1984-11-10 | Mitsubishi Electric Corp | Ultrasonic optical modulator |
-
1985
- 1985-12-19 JP JP1985194296U patent/JPH0224102Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58113117U (en) * | 1982-01-27 | 1983-08-02 | 理化学研究所 | high voltage power supply |
| JPS59198425A (en) * | 1983-04-26 | 1984-11-10 | Mitsubishi Electric Corp | Ultrasonic optical modulator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0224102Y2 (en) | 1990-07-02 |
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