JPS494551A - - Google Patents
Info
- Publication number
- JPS494551A JPS494551A JP48030489A JP3048973A JPS494551A JP S494551 A JPS494551 A JP S494551A JP 48030489 A JP48030489 A JP 48030489A JP 3048973 A JP3048973 A JP 3048973A JP S494551 A JPS494551 A JP S494551A
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
- H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23490172A | 1972-03-15 | 1972-03-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS494551A true JPS494551A (forum.php) | 1974-01-16 |
| JPS5441336B2 JPS5441336B2 (forum.php) | 1979-12-07 |
Family
ID=22883275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3048973A Expired JPS5441336B2 (forum.php) | 1972-03-15 | 1973-03-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3770970A (forum.php) |
| JP (1) | JPS5441336B2 (forum.php) |
| DE (1) | DE2312729A1 (forum.php) |
| GB (1) | GB1367868A (forum.php) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5963517A (ja) * | 1982-10-04 | 1984-04-11 | Nippon Kogaku Kk <Nikon> | 光電式エンコ−ダ |
| JPS6055208A (ja) * | 1983-09-06 | 1985-03-30 | Fuji Xerox Co Ltd | 移動方向および移動量検出装置 |
| JP2017191103A (ja) * | 2016-04-15 | 2017-10-19 | 信得 曾 | 正方向フォーカス走査型の導光エンコーダ |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1435078A (en) * | 1972-06-22 | 1976-05-12 | Wickman Mach Tool Sales Ltd | Slide control mechanisms for machine tools |
| US3842261A (en) * | 1973-12-20 | 1974-10-15 | Itek Corp | Optical encoder using diffraction imagery in a reflective mode |
| GB1476405A (en) * | 1974-06-07 | 1977-06-16 | Vactoric Control Equip | Optical encoder |
| IT1052772B (it) * | 1975-12-31 | 1981-07-20 | Olivetti C E C S P A | Dispositivo per rilevare la posizione angolare di un organo rotante..per esempio una testina di scrittura di una macchina per ufficio |
| CA1116732A (en) * | 1977-03-30 | 1982-01-19 | Alan I. Wiener | Optical encoder device |
| US4339198A (en) * | 1977-06-13 | 1982-07-13 | Celenav Industries, Inc. | Geodetic instrument |
| US4266125A (en) * | 1978-12-21 | 1981-05-05 | Hewlett-Packard Company | Optical shaft angle encoder |
| US4935728A (en) * | 1985-01-02 | 1990-06-19 | Altra Corporation | Computer control |
| US4782327A (en) * | 1985-01-02 | 1988-11-01 | Victor B. Kley | Computer control |
| US4820918A (en) * | 1985-06-28 | 1989-04-11 | Canon Kabushiki Kaisha | Optical encoder including transparent substrates having formed indicators therein |
| JPS62123830A (ja) * | 1985-11-25 | 1987-06-05 | Sharp Corp | ロ−タリ−エンコ−ダ |
| DE3818218A1 (de) * | 1988-04-16 | 1989-10-26 | Heidenhain Gmbh Dr Johannes | Lichtelektrische winkelmesseinrichtung |
| US4958071A (en) * | 1989-01-13 | 1990-09-18 | Advanced Gravis Computer Technology, Ltd. | A joystick including an optical encoder with film strips in sliding contact |
| US5323001A (en) * | 1989-12-26 | 1994-06-21 | Canon Kabushiki Kaisha | Rotary encoder with scale member and interference of zero and first order diffraction beam |
| JPH05256666A (ja) * | 1992-03-13 | 1993-10-05 | Canon Inc | ロータリーエンコーダー |
| US5384460A (en) * | 1993-11-03 | 1995-01-24 | Silitek Corporation | Encoder with a light emitting editing wheel |
| JPH10239108A (ja) * | 1997-02-21 | 1998-09-11 | Fanuc Ltd | 光学式エンコーダ |
| JPH1114404A (ja) * | 1997-06-23 | 1999-01-22 | Fanuc Ltd | 光学式ロータリエンコーダ |
| CA2214193A1 (en) * | 1997-10-20 | 1999-04-20 | Pat Sin Hao | Optical encoder |
| US6100519A (en) * | 1998-06-02 | 2000-08-08 | Ching Shun Wang | Photo-detector based calculating means having a grating wheel with integrated lenses |
| US6194708B1 (en) * | 1999-06-09 | 2001-02-27 | Ching Shun Wang | Focus-type encode device |
| ES2293878T3 (es) * | 1999-09-28 | 2008-04-01 | Snap-On Equipment Gmbh | Maquina de equilibrado de ruedas para una rueda de automovil con codificador angular compacto. |
| US7034943B1 (en) * | 2000-03-03 | 2006-04-25 | Aritron Intrumente AG | Gas sensors |
| EP2233892B1 (en) * | 2009-03-27 | 2015-05-27 | SICK STEGMANN GmbH | Cylindrical Grating Rotation Sensor |
| TWI464385B (zh) * | 2012-03-22 | 2014-12-11 | Hiti Digital Inc | 用來偵測透光光柵結構之偵測裝置與偵測方法 |
| JP2015090308A (ja) * | 2013-11-05 | 2015-05-11 | 株式会社安川電機 | エンコーダ、エンコーダ付きモータ、サーボシステム |
| TWI585372B (zh) * | 2016-02-05 | 2017-06-01 | 曾信得 | 光學掃描式導光編碼器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2886717A (en) * | 1953-03-14 | 1959-05-12 | Ferranti Ltd | Measuring apparatus |
| US2995705A (en) * | 1960-05-05 | 1961-08-08 | Gen Precision Inc | Tachometer |
| US3187187A (en) * | 1962-01-24 | 1965-06-01 | Wayne George Corp | Photoelectric shaft angle encoder |
| US3514618A (en) * | 1968-09-12 | 1970-05-26 | Harold H Seward | Grating-type electrooptical transducer with lenticular lenses |
-
1972
- 1972-03-15 US US00234901A patent/US3770970A/en not_active Expired - Lifetime
-
1973
- 1973-03-05 GB GB1057273A patent/GB1367868A/en not_active Expired
- 1973-03-14 DE DE2312729A patent/DE2312729A1/de active Pending
- 1973-03-15 JP JP3048973A patent/JPS5441336B2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5963517A (ja) * | 1982-10-04 | 1984-04-11 | Nippon Kogaku Kk <Nikon> | 光電式エンコ−ダ |
| JPS6055208A (ja) * | 1983-09-06 | 1985-03-30 | Fuji Xerox Co Ltd | 移動方向および移動量検出装置 |
| JP2017191103A (ja) * | 2016-04-15 | 2017-10-19 | 信得 曾 | 正方向フォーカス走査型の導光エンコーダ |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2312729A1 (de) | 1973-09-20 |
| GB1367868A (en) | 1974-09-25 |
| US3770970A (en) | 1973-11-06 |
| JPS5441336B2 (forum.php) | 1979-12-07 |