JPS634191U - - Google Patents
Info
- Publication number
- JPS634191U JPS634191U JP9629586U JP9629586U JPS634191U JP S634191 U JPS634191 U JP S634191U JP 9629586 U JP9629586 U JP 9629586U JP 9629586 U JP9629586 U JP 9629586U JP S634191 U JPS634191 U JP S634191U
- Authority
- JP
- Japan
- Prior art keywords
- drive circuit
- piezoelectric vibrators
- circuit
- ultrasonic motor
- diagram showing
- 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
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Description
第１図は本考案による超音波モータの駆動回路
の一実施例を示す回路図、第２図は本考案と従来
の駆動回路における速度の経時変化を示すグラフ
、第３図乃至第５図はそれぞれ本考案の異なる実
施例を示す回路図、第６図は従来のリニア形超音
波モータの駆動回路を示す回路図である。
１，２，２１，２２…圧電振動子、３，２３…
スライダ、４，２４…弾性体レール、５，２６…
電力増幅回路、６…変圧器、７…結合コイル、８
，２７…終端抵抗、９…結合コンデンサ、１０…
分圧抵抗、１１…機械―電気変換素子、２５…発
振回路。
Fig. 1 is a circuit diagram showing an embodiment of an ultrasonic motor drive circuit according to the present invention, Fig. 2 is a graph showing changes in speed over time in the drive circuit of the present invention and the conventional drive circuit, and Figs. 3 to 5 are FIG. 6 is a circuit diagram showing different embodiments of the present invention, and FIG. 6 is a circuit diagram showing a drive circuit for a conventional linear ultrasonic motor. 1, 2, 21, 22... piezoelectric vibrator, 3, 23...
Slider, 4, 24...Elastic rail, 5, 26...
Power amplifier circuit, 6...Transformer, 7...Coupling coil, 8
, 27...Terminal resistor, 9...Coupling capacitor, 10...
Voltage dividing resistor, 11... mechanical-electric conversion element, 25... oscillation circuit.
Claims (1)
いて、前記圧電振動子を駆動用自励発振回路の正
帰還要素としたことを特徴とする超音波モータの
駆動回路。 1. A drive circuit for an ultrasonic motor having a plurality of piezoelectric vibrators, characterized in that the piezoelectric vibrators are used as positive feedback elements of a self-excited oscillation circuit for driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9629586U JPS634191U (en) | 1986-06-23 | 1986-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9629586U JPS634191U (en) | 1986-06-23 | 1986-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS634191U true JPS634191U (en) | 1988-01-12 |
Family
ID=30961876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9629586U Pending JPS634191U (en) | 1986-06-23 | 1986-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS634191U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552393A (en) * | 1978-05-12 | 1980-01-09 | Sp Pk I Tekunorogichiesukoe Bi | Vibration motor |
| JPS59148583A (en) * | 1983-02-14 | 1984-08-25 | Sony Corp | Drive circuit for piezoelectric vibrator |
| JPS6439870A (en) * | 1987-08-05 | 1989-02-10 | Toshiba Corp | Facsimile equipment |
-
1986
- 1986-06-23 JP JP9629586U patent/JPS634191U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552393A (en) * | 1978-05-12 | 1980-01-09 | Sp Pk I Tekunorogichiesukoe Bi | Vibration motor |
| JPS59148583A (en) * | 1983-02-14 | 1984-08-25 | Sony Corp | Drive circuit for piezoelectric vibrator |
| JPS6439870A (en) * | 1987-08-05 | 1989-02-10 | Toshiba Corp | Facsimile equipment |
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