JPS5626804B2 - - Google Patents
Info
- Publication number
- JPS5626804B2 JPS5626804B2 JP8324072A JP8324072A JPS5626804B2 JP S5626804 B2 JPS5626804 B2 JP S5626804B2 JP 8324072 A JP8324072 A JP 8324072A JP 8324072 A JP8324072 A JP 8324072A JP S5626804 B2 JPS5626804 B2 JP S5626804B2
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/36—Forming the light into pulses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1066571A SE355668B (de) | 1971-08-23 | 1971-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4830957A JPS4830957A (de) | 1973-04-23 |
| JPS5626804B2 true JPS5626804B2 (de) | 1981-06-20 |
Family
ID=20292665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8324072A Expired JPS5626804B2 (de) | 1971-08-23 | 1972-08-19 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5626804B2 (de) |
| CA (1) | CA975553A (de) |
| CH (1) | CH562442A5 (de) |
| DE (1) | DE2237032C3 (de) |
| FR (1) | FR2151356A5 (de) |
| GB (1) | GB1396423A (de) |
| IT (1) | IT965082B (de) |
| NL (1) | NL7210296A (de) |
| SE (1) | SE355668B (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989010541A1 (en) * | 1988-04-18 | 1989-11-02 | Fanuc Ltd | Encoder |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2406804A1 (fr) * | 1977-10-20 | 1979-05-18 | Sercel Rech Const Elect | Codeur angulaire a angle d'entree variable |
| US4318617A (en) * | 1979-12-14 | 1982-03-09 | Keuffel & Esser Company | DC Shift error correction for electro-optical measuring system |
| GB2076147B (en) * | 1980-05-15 | 1984-07-11 | Ferranti Ltd | Position encoder |
| JPS57206822A (en) * | 1981-06-15 | 1982-12-18 | Fujitsu Ltd | Detector for position and speed |
| JPS57206821A (en) * | 1981-06-15 | 1982-12-18 | Fujitsu Ltd | Detector for position and speed |
| JPS5826208A (ja) * | 1981-08-08 | 1983-02-16 | Fujitsu Ltd | 位置および速度検出装置 |
| US4931636A (en) * | 1988-08-26 | 1990-06-05 | The Boeing Company | Two wavelength optical sensor and sensing system |
| DE3901534C1 (de) * | 1989-01-20 | 1990-04-26 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut, De | |
| EP0527536B1 (de) * | 1991-08-14 | 1998-06-10 | Koninklijke Philips Electronics N.V. | Röntgenanalyseapparat |
| DE19601674B4 (de) * | 1996-01-18 | 2005-08-04 | Valeo Schalter Und Sensoren Gmbh | Nach dem Differenzmeßprinzip arbeitender Lenkwinkelgeber für Kraftfahrzeuge |
-
1971
- 1971-08-23 SE SE1066571A patent/SE355668B/xx unknown
-
1972
- 1972-07-11 GB GB3229572A patent/GB1396423A/en not_active Expired
- 1972-07-26 NL NL7210296A patent/NL7210296A/xx not_active Application Discontinuation
- 1972-07-28 DE DE19722237032 patent/DE2237032C3/de not_active Expired
- 1972-08-15 CH CH1208772A patent/CH562442A5/xx not_active IP Right Cessation
- 1972-08-19 JP JP8324072A patent/JPS5626804B2/ja not_active Expired
- 1972-08-19 IT IT2832172A patent/IT965082B/it active
- 1972-08-22 CA CA149,984A patent/CA975553A/en not_active Expired
- 1972-08-23 FR FR7230028A patent/FR2151356A5/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989010541A1 (en) * | 1988-04-18 | 1989-11-02 | Fanuc Ltd | Encoder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4830957A (de) | 1973-04-23 |
| GB1396423A (en) | 1975-06-04 |
| SE355668B (de) | 1973-04-30 |
| DE2237032A1 (de) | 1973-03-08 |
| IT965082B (it) | 1974-01-31 |
| NL7210296A (de) | 1973-02-27 |
| DE2237032B2 (de) | 1974-11-28 |
| CH562442A5 (de) | 1975-05-30 |
| DE2237032C3 (de) | 1975-07-24 |
| FR2151356A5 (de) | 1973-04-13 |
| CA975553A (en) | 1975-10-07 |