NL141642B - Optisch-elektrische meetinrichting. - Google Patents
Optisch-elektrische meetinrichting.Info
- Publication number
- NL141642B NL141642B NL686801505A NL6801505A NL141642B NL 141642 B NL141642 B NL 141642B NL 686801505 A NL686801505 A NL 686801505A NL 6801505 A NL6801505 A NL 6801505A NL 141642 B NL141642 B NL 141642B
- Authority
- NL
- Netherlands
- Prior art keywords
- optical
- measuring device
- electrical measuring
- electrical
- measuring
- Prior art date
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
- G01D5/38—Forming the light into pulses by diffraction gratings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH268967A CH466593A (de) | 1967-02-23 | 1967-02-23 | Optisch-Elektrische-Winkelmesseinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6801505A NL6801505A (xx) | 1968-08-26 |
NL141642B true NL141642B (nl) | 1974-03-15 |
Family
ID=4239352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL686801505A NL141642B (nl) | 1967-02-23 | 1968-02-02 | Optisch-elektrische meetinrichting. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3553469A (xx) |
JP (1) | JPS514429B1 (xx) |
CH (2) | CH466593A (xx) |
DE (1) | DE1798368B1 (xx) |
FR (1) | FR1567200A (xx) |
GB (2) | GB1220095A (xx) |
NL (1) | NL141642B (xx) |
SE (1) | SE330780B (xx) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3935447A (en) * | 1971-09-01 | 1976-01-27 | Burroughs Corporation | Angular motion detection apparatus |
AT348266B (de) * | 1973-10-30 | 1979-02-12 | Gao Ges Automation Org | Elektromechanischer taktgeber |
SE402355B (sv) * | 1976-10-15 | 1978-06-26 | Bergkvist Lars A | Anordning for indikering av en vinkel eller en vinkelhastighet |
JPS5628544Y2 (xx) * | 1976-10-22 | 1981-07-07 | ||
JPS5477631U (xx) * | 1977-11-10 | 1979-06-02 | ||
DE2821170C2 (de) * | 1978-05-13 | 1986-06-26 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Einrichtung zum objektivierten Zieleinfang |
DE2961428D1 (en) | 1978-06-26 | 1982-01-28 | Contraves Ag | Method of digital interpolation of one period of a three-phased analog signal |
US4247769A (en) * | 1978-12-21 | 1981-01-27 | The Charles Stark Draper Laboratory, Inc. | Apparatus for measuring angular and linear displacements |
SE420352B (sv) * | 1980-01-21 | 1981-09-28 | Lars Stenmark | Optisk legesgivare |
GB8706317D0 (en) * | 1987-03-17 | 1987-04-23 | Bicc Plc | Optical sensor |
DE3844704C2 (xx) * | 1987-09-30 | 1992-06-17 | Kabushiki Kaisha Okuma Tekkosho, Nagoya, Aichi, Jp | |
US5202842A (en) * | 1989-11-29 | 1993-04-13 | Kabushiki Kaisha Okuma Tekkosho | Rotational position detecting device which compensates for eccentricity of rotating object |
JP3098834B2 (ja) * | 1992-01-29 | 2000-10-16 | オリンパス光学工業株式会社 | 偏心測定方法 |
DE19527287C2 (de) * | 1995-07-26 | 2000-06-29 | Heidenhain Gmbh Dr Johannes | Fotoelektrisches Weg- und Winkelmeßsystem zum Messen der Verschiebung zweier Objekte zueinander |
GB9522491D0 (en) * | 1995-11-02 | 1996-01-03 | Renishaw Plc | Opto-electronic rotary encoder |
US6635863B1 (en) * | 1999-08-06 | 2003-10-21 | Mitutoyo Corporation | Optical encoder |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877356A (en) * | 1957-05-31 | 1959-03-10 | Lloyd A Iddings | Optical control system |
DE1259621B (de) * | 1965-03-25 | 1968-01-25 | Telefunken Patent | Lichtelektrischer Messgenerator |
-
1967
- 1967-02-23 CH CH268967A patent/CH466593A/de unknown
- 1967-02-23 CH CH797768A patent/CH498373A/de not_active IP Right Cessation
-
1968
- 1968-02-02 NL NL686801505A patent/NL141642B/xx not_active IP Right Cessation
- 1968-02-13 GB GB04248/69A patent/GB1220095A/en not_active Expired
- 1968-02-13 GB GB7058/68A patent/GB1220094A/en not_active Expired
- 1968-02-13 JP JP43008612A patent/JPS514429B1/ja active Pending
- 1968-02-14 DE DE19681798368 patent/DE1798368B1/de active Pending
- 1968-02-21 SE SE02233/68A patent/SE330780B/xx unknown
- 1968-02-23 FR FR1567200D patent/FR1567200A/fr not_active Expired
- 1968-02-23 US US707739A patent/US3553469A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH498373A (de) | 1970-10-31 |
SE330780B (xx) | 1970-11-30 |
CH466593A (de) | 1968-12-15 |
FR1567200A (xx) | 1968-05-16 |
NL6801505A (xx) | 1968-08-26 |
JPS514429B1 (xx) | 1976-02-12 |
US3553469A (en) | 1971-01-05 |
DE1798368B1 (de) | 1971-07-08 |
GB1220094A (en) | 1971-01-20 |
GB1220095A (en) | 1971-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: CONTRAVES |
|
V1 | Lapsed because of non-payment of the annual fee |