CA1328131C - Codeur - Google Patents

Codeur

Info

Publication number
CA1328131C
CA1328131C CA000575623A CA575623A CA1328131C CA 1328131 C CA1328131 C CA 1328131C CA 000575623 A CA000575623 A CA 000575623A CA 575623 A CA575623 A CA 575623A CA 1328131 C CA1328131 C CA 1328131C
Authority
CA
Canada
Prior art keywords
probe
recording
scale
reference scale
detecting
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.)
Expired - Fee Related
Application number
CA000575623A
Other languages
English (en)
Inventor
Yuko Morikawa
Yoshihiro Yanagisawa
Akihiko Yamano
Hiroyasu Nose
Hiroshi Matsuda
Hisaaki Kawade
Kunihiro Sakai
Haruki Kawada
Kenji Saitoh
Minoru Yoshii
Eigo Kawakami
Toshimitsu Kawase
Ken Eguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP62212153A external-priority patent/JP2603270B2/ja
Priority claimed from JP62212154A external-priority patent/JP2632862B2/ja
Priority claimed from JP62305747A external-priority patent/JP2547333B2/ja
Priority claimed from JP62305748A external-priority patent/JP2547334B2/ja
Priority claimed from JP62309421A external-priority patent/JP2559048B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of CA1328131C publication Critical patent/CA1328131C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
CA000575623A 1987-08-25 1988-08-24 Codeur Expired - Fee Related CA1328131C (fr)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP212154/1987 1987-08-25
JP62212153A JP2603270B2 (ja) 1987-08-25 1987-08-25 記録装置および再生装置
JP62212154A JP2632862B2 (ja) 1987-08-25 1987-08-25 位置検出装置
JP212153/1987 1987-08-25
JP62305747A JP2547333B2 (ja) 1987-12-04 1987-12-04 位置検出装置
JP305748/1987 1987-12-04
JP62305748A JP2547334B2 (ja) 1987-12-04 1987-12-04 位置検出装置
JP305747/1987 1987-12-04
JP309421/1987 1987-12-09
JP62309421A JP2559048B2 (ja) 1987-12-09 1987-12-09 相対変位量測定装置

Publications (1)

Publication Number Publication Date
CA1328131C true CA1328131C (fr) 1994-03-29

Family

ID=27529529

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000575623A Expired - Fee Related CA1328131C (fr) 1987-08-25 1988-08-24 Codeur

Country Status (1)

Country Link
CA (1) CA1328131C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107631740A (zh) * 2017-09-11 2018-01-26 珠海格力节能环保制冷技术研究中心有限公司 一种编码器光电补偿电路、方法及光电编码器
CN114396967A (zh) * 2021-11-30 2022-04-26 浙江西子富沃德电机有限公司 正余弦编码器及其信号处理方法、电梯控制系统

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107631740A (zh) * 2017-09-11 2018-01-26 珠海格力节能环保制冷技术研究中心有限公司 一种编码器光电补偿电路、方法及光电编码器
CN114396967A (zh) * 2021-11-30 2022-04-26 浙江西子富沃德电机有限公司 正余弦编码器及其信号处理方法、电梯控制系统
CN114396967B (zh) * 2021-11-30 2024-04-23 浙江西子富沃德电机有限公司 正余弦编码器及其信号处理方法、电梯控制系统

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