JPS61140967U - - Google Patents

Info

Publication number
JPS61140967U
JPS61140967U JP2364985U JP2364985U JPS61140967U JP S61140967 U JPS61140967 U JP S61140967U JP 2364985 U JP2364985 U JP 2364985U JP 2364985 U JP2364985 U JP 2364985U JP S61140967 U JPS61140967 U JP S61140967U
Authority
JP
Japan
Prior art keywords
light
optical system
receiving elements
color pattern
color
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.)
Granted
Application number
JP2364985U
Other languages
Japanese (ja)
Other versions
JPH0339736Y2 (en
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
Application filed filed Critical
Priority to JP2364985U priority Critical patent/JPH0339736Y2/ja
Publication of JPS61140967U publication Critical patent/JPS61140967U/ja
Application granted granted Critical
Publication of JPH0339736Y2 publication Critical patent/JPH0339736Y2/ja
Expired legal-status Critical Current

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  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Optical Transform (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る回転検出装置の構成図、
第２図は同装置における受光素子が受けるパルス
信号を示す図であり、第３図は従来の装置の構成
図を示す。 ２……回転板、９……配色パターン、１０……
第一光学系、１３……第二光学系、１４，１５…
…受光素子、１９……縁カツトフイルタ、２０…
…赤カツトフイルタ、２１……検出部。 FIG. 1 is a configuration diagram of a rotation detection device according to the present invention,
FIG. 2 is a diagram showing a pulse signal received by a light receiving element in the same device, and FIG. 3 is a diagram showing the configuration of the conventional device. 2...Rotating plate, 9...Color pattern, 10...
First optical system, 13... Second optical system, 14, 15...
...Photodetector, 19...Edge cut filter, 20...
...Red cut filter, 21...detection section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 周縁部に複数の色の順列を単位とする配色パタ
ーンを周設した回転板と、該配色パターンに複数
の派長の光を含む単一光を照射する第一光学系と
、配色パターンからの反射光又は透過光を二個の
受光素子に分割して導く第二光学系と、この二個
の受光素子の前部位置にそれぞれ異なる波長の光
をカツトするように設けたフイルタと、前記受光
素子からの出力信号を受ける検出部とからなる回
転検出装置。 a rotary plate having a color pattern formed around the periphery in which a plurality of color permutations are units; a first optical system that irradiates the color pattern with a single light including light of a plurality of factions; a second optical system that divides and guides the reflected or transmitted light to two light-receiving elements; a filter provided in front of the two light-receiving elements to cut out light of different wavelengths; and the light-receiving element. A rotation detection device comprising a detection section that receives an output signal from the element.
JP2364985U 1985-02-21 1985-02-21 Expired JPH0339736Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2364985U JPH0339736Y2 (en) 1985-02-21 1985-02-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2364985U JPH0339736Y2 (en) 1985-02-21 1985-02-21

Publications (2)

Publication Number Publication Date
JPS61140967U true JPS61140967U (en) 1986-09-01
JPH0339736Y2 JPH0339736Y2 (en) 1991-08-21

Family

ID=30517072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2364985U Expired JPH0339736Y2 (en) 1985-02-21 1985-02-21

Country Status (1)

Country Link
JP (1) JPH0339736Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005090922A1 (en) * 2004-03-22 2005-09-29 Tamagawa Seiki Co., Ltd. Position detector and object to be detected
JP2009216703A (en) * 2008-02-15 2009-09-24 Seiko Epson Corp Method for manufacturing scale, scale and encoder apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005090922A1 (en) * 2004-03-22 2005-09-29 Tamagawa Seiki Co., Ltd. Position detector and object to be detected
JP2009216703A (en) * 2008-02-15 2009-09-24 Seiko Epson Corp Method for manufacturing scale, scale and encoder apparatus

Also Published As

Publication number Publication date
JPH0339736Y2 (en) 1991-08-21

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