JPS6324722U - - Google Patents
Info
- Publication number
- JPS6324722U JPS6324722U JP11821786U JP11821786U JPS6324722U JP S6324722 U JPS6324722 U JP S6324722U JP 11821786 U JP11821786 U JP 11821786U JP 11821786 U JP11821786 U JP 11821786U JP S6324722 U JPS6324722 U JP S6324722U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- circuit
- wave voltage
- wobbler
- attached
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案のウオブレータ駆動回路の実施
例図、第２図、第３図、第５図は動作の説明図、
第４図は従来のウオブレータ駆動回路である。
１……基台、２……振動部材、３……ミラー、
４……駆動用圧電素子、５……検出用圧電素子、
６……増幅器、７……トラツプ回路、８……波形
整形回路、９……積分回路、１０……ウオブレー
タ。
FIG. 1 is an example diagram of the wobbler drive circuit of the present invention, FIGS. 2, 3, and 5 are explanatory diagrams of the operation.
FIG. 4 shows a conventional wobbler drive circuit. 1... Base, 2... Vibration member, 3... Mirror,
4... piezoelectric element for driving, 5... piezoelectric element for detection,
6...Amplifier, 7...Trap circuit, 8...Waveform shaping circuit, 9...Integrator circuit, 10...Wobulator.
Claims (1)
が貼付された振動部材よりなる振動部が基台に取
付けられたウオブレータ。 ｂ 前記検出用圧電素子の出力電圧を増幅する高
利得の増幅器。 ｃ 前記振動部の１次共振周波数で共振するトラ
ツプ回路。 ｄ 前記増幅器の出力電圧を矩形波電圧に整形す
る波形整形回路。 ｅ 前記矩形波電圧を三角波電圧とする積分回路
。 以上の各項よりなることを特徴とするウオブレ
ータ駆動回路。[Scope of Claim for Utility Model Registration] a. A wobbler in which a vibrating part made of a vibrating member to which a drive piezoelectric element, a detection piezoelectric element, and a mirror are attached is attached to a base. b. A high gain amplifier that amplifies the output voltage of the detection piezoelectric element. c. A trap circuit that resonates at the primary resonance frequency of the vibrating section. d. A waveform shaping circuit that shapes the output voltage of the amplifier into a rectangular wave voltage. e An integrating circuit that converts the rectangular wave voltage into a triangular wave voltage. A wobbler drive circuit characterized by comprising each of the above terms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11821786U JPS6324722U (en) | 1986-07-31 | 1986-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11821786U JPS6324722U (en) | 1986-07-31 | 1986-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6324722U true JPS6324722U (en) | 1988-02-18 |
Family
ID=31004464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11821786U Pending JPS6324722U (en) | 1986-07-31 | 1986-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6324722U (en) |
-
1986
- 1986-07-31 JP JP11821786U patent/JPS6324722U/ja active Pending
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