JPS6228117U - - Google Patents
Info
- Publication number
- JPS6228117U JPS6228117U JP11937585U JP11937585U JPS6228117U JP S6228117 U JPS6228117 U JP S6228117U JP 11937585 U JP11937585 U JP 11937585U JP 11937585 U JP11937585 U JP 11937585U JP S6228117 U JPS6228117 U JP S6228117U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- rotating body
- magnetic
- semiconductor
- magnetic sensor
- 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
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図ａ，ｂは本考案に成る磁気エンコーダの
一例を示す断面図及び側面図、第２図は同検出部
拡大図、第３図はＡ相、Ｂ相の２相出力パルスの
相関を示す説明図、第４図ａ，ｂは従来技術に成
る磁気エンコーダの例を示す断面図及び側面図、
第５図は同検出部の拡大図、第６図は２相パルス
の相関図、第７図ａ，ｂは夫々位相ずれ調整の説
明図である。
１……カバー、２……回転体、２―１……突起
、３……半導体磁気センサー、３―１……Ａ相の
磁気センサーベース、３―２……Ｂ相の磁気セン
サーベース、３―１１……Ａ相の磁気抵抗効果素
子、３―２１……Ｂ相の磁気抵抗効果素子、３―
３……ベース、４……センサー取付台、５……セ
ンサーリード、６……磁界付勢用永久磁石、７…
…固定台、８……軸受、９……軸。
Figures 1a and b are cross-sectional and side views showing an example of the magnetic encoder according to the present invention, Figure 2 is an enlarged view of the detection section, and Figure 3 shows the correlation between the two-phase output pulses of A phase and B phase. 4a and 4b are cross-sectional views and side views showing an example of a magnetic encoder according to the prior art,
FIG. 5 is an enlarged view of the detection section, FIG. 6 is a correlation diagram of two-phase pulses, and FIGS. 7a and 7b are explanatory diagrams of phase shift adjustment, respectively. 1...Cover, 2...Rotating body, 2-1...Protrusion, 3...Semiconductor magnetic sensor, 3-1...A phase magnetic sensor base, 3-2...B phase magnetic sensor base, 3 -11...A phase magnetoresistive element, 3-21...B phase magnetoresistive element, 3-
3...Base, 4...Sensor mounting base, 5...Sensor lead, 6...Permanent magnet for magnetic field energization, 7...
...fixing base, 8...bearing, 9...shaft.
Claims (1)
突起を形成した回転体と、該回転体と小空隙を介
して対向配設されたＡ相、Ｂ相の２相出力を取り
出す素子を有する半導体磁気センターとを具えた
磁気エンコーダにおいて、前記半導体磁気センサ
ーのＡ相用、Ｂ相用素子の少なくとも一方を他方
に対して偏位自在となる様配設した事を特徴とす
る磁気エンコーダ。 It has a rotating body made of a disc-shaped magnetic material with equally pitched protrusions formed on its outer periphery, and an element for extracting two-phase outputs of A phase and B phase, which is arranged opposite to the rotating body through a small gap. 1. A magnetic encoder comprising a semiconductor magnetic center, wherein at least one of the A-phase and B-phase elements of the semiconductor magnetic sensor is arranged so as to be freely deflectable with respect to the other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11937585U JPS6228117U (en) | 1985-08-05 | 1985-08-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11937585U JPS6228117U (en) | 1985-08-05 | 1985-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6228117U true JPS6228117U (en) | 1987-02-20 |
Family
ID=31006688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11937585U Pending JPS6228117U (en) | 1985-08-05 | 1985-08-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6228117U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009156589A (en) * | 2007-12-25 | 2009-07-16 | Fujikura Ltd | Travel direction detector of magnetic body using magnetic sensor having magnet |
| JP2009276216A (en) * | 2008-05-15 | 2009-11-26 | Mitsubishi Electric Corp | Magnetic rotation sensor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941124A (en) * | 1982-08-30 | 1984-03-07 | 日本電気株式会社 | Power source simultaneous control circuit |
-
1985
- 1985-08-05 JP JP11937585U patent/JPS6228117U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941124A (en) * | 1982-08-30 | 1984-03-07 | 日本電気株式会社 | Power source simultaneous control circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009156589A (en) * | 2007-12-25 | 2009-07-16 | Fujikura Ltd | Travel direction detector of magnetic body using magnetic sensor having magnet |
| JP2009276216A (en) * | 2008-05-15 | 2009-11-26 | Mitsubishi Electric Corp | Magnetic rotation sensor |
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