JPH01102716U - - Google Patents
Info
- Publication number
- JPH01102716U JPH01102716U JP19648187U JP19648187U JPH01102716U JP H01102716 U JPH01102716 U JP H01102716U JP 19648187 U JP19648187 U JP 19648187U JP 19648187 U JP19648187 U JP 19648187U JP H01102716 U JPH01102716 U JP H01102716U
- Authority
- JP
- Japan
- Prior art keywords
- concave
- rotary plate
- rotation angle
- capacitor element
- convex portions
- 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
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図ないし第３図は本考案の第１の実施例に
係り、第１図は本実施例による回転角センサの全
体構成図、第２図は第１図中の周方向の要部縦断
面図、第３図は第１、第２のコンデンサ素子の等
価回路図、第４図は本考案の第２の実施例を示す
径方向の要部縦断面図、第５図ないし第８図は先
行技術に係り、第５図は先行技術による回転角セ
ンサの全体構成図、第６図は第１図中の周方向要
部縦断面図、第７図は静電容量信号の波形図、第
８図は信号変換回路の具体例を示す回路図である
。
１……回転軸、２，３１……回転板、３，３２
，３３……凹凸部、２１，３４……ピツクアツプ
装置、２３，２４，３５，３６……ピツクアツプ
、２７，２８，３８，３９……コンデンサ素子。
1 to 3 relate to a first embodiment of the present invention, FIG. 1 is an overall configuration diagram of a rotation angle sensor according to the present embodiment, and FIG. 2 is a vertical cross-section of essential parts in the circumferential direction in FIG. 1. 3 is an equivalent circuit diagram of the first and second capacitor elements, FIG. 4 is a vertical sectional view of the main part in the radial direction showing the second embodiment of the present invention, and FIGS. 5 to 8 5 is an overall configuration diagram of a rotation angle sensor according to the prior art, FIG. 6 is a vertical cross-sectional view of a main part in the circumferential direction in FIG. 1, and FIG. 7 is a waveform diagram of a capacitance signal. FIG. 8 is a circuit diagram showing a specific example of the signal conversion circuit. 1... Rotating shaft, 2, 31... Rotating plate, 3, 32
, 33... Uneven portion, 21, 34... Pick-up device, 23, 24, 35, 36... Pick-up, 27, 28, 38, 39... Capacitor element.
Claims (1)
転板と、該回転板の表面にその回転方向に沿つて
所定角度毎に交互に形成した凹凸部と、該凹凸部
に対面し、その凹部と凹部または凸部と凸部に同
時に対向するように配設され２個のピツクアツプ
とによつて第１、第２のコンデンサ素子を形成し
、前記回転板の回転に応じて該各コンデンサ素子
間に発生する静電容量の変化を回転角信号として
導出するように構成してなる回転角センサ。 A rotary plate made of a conductive material that rotates together with a rotating shaft, concave and convex portions formed alternately at predetermined angles on the surface of the rotary plate along the direction of rotation, and a concave portion facing the concave and convex portions. First and second capacitor elements are formed by a concave portion or a convex portion and two pick-ups disposed so as to simultaneously face the convex portion, and as the rotary plate rotates, a capacitor element is formed between each capacitor element. A rotation angle sensor configured to derive a change in capacitance that occurs as a rotation angle signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19648187U JPH01102716U (en) | 1987-12-24 | 1987-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19648187U JPH01102716U (en) | 1987-12-24 | 1987-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102716U true JPH01102716U (en) | 1989-07-11 |
Family
ID=31487088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19648187U Pending JPH01102716U (en) | 1987-12-24 | 1987-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019105535A (en) * | 2017-12-13 | 2019-06-27 | パナソニックＩｐマネジメント株式会社 | Displacement detection device and operating device including the same |
-
1987
- 1987-12-24 JP JP19648187U patent/JPH01102716U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019105535A (en) * | 2017-12-13 | 2019-06-27 | パナソニックＩｐマネジメント株式会社 | Displacement detection device and operating device including the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01102716U (en) | ||
| JPH0225816U (en) | ||
| JPH0181516U (en) | ||
| JPS62168432U (en) | ||
| JPS63216U (en) | ||
| JPS61152971U (en) | ||
| JPS6455402U (en) | ||
| JPS6068408U (en) | Rotation angle measuring device | |
| JPS61172694U (en) | ||
| JPH01162610U (en) | ||
| JPS6321815U (en) | ||
| JPH0380322U (en) | ||
| JPS6326139U (en) | ||
| JPH0158105U (en) | ||
| JPH0175358U (en) | ||
| JPH0271218U (en) | ||
| JPS6438262U (en) | ||
| JPH0217612U (en) | ||
| JPH0399262U (en) | ||
| JPS61119765U (en) | ||
| JPS62174217U (en) | ||
| JPH01107912U (en) | ||
| JPH037660U (en) | ||
| JPS6061605U (en) | Non-contact angle detector | |
| JPH0285882U (en) |