FR2194946A1 - - Google Patents
Info
- Publication number
- FR2194946A1 FR2194946A1 FR7327608A FR7327608A FR2194946A1 FR 2194946 A1 FR2194946 A1 FR 2194946A1 FR 7327608 A FR7327608 A FR 7327608A FR 7327608 A FR7327608 A FR 7327608A FR 2194946 A1 FR2194946 A1 FR 2194946A1
- Authority
- FR
- France
- 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
-
- 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
-
- 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
- G01D5/363—Direction discrimination
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7569072A JPS5327941B2 (US07541385-20090602-C00001.png) | 1972-07-28 | 1972-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2194946A1 true FR2194946A1 (US07541385-20090602-C00001.png) | 1974-03-01 |
FR2194946B1 FR2194946B1 (US07541385-20090602-C00001.png) | 1979-10-19 |
Family
ID=13583434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7327608A Expired FR2194946B1 (US07541385-20090602-C00001.png) | 1972-07-28 | 1973-07-27 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3879136A (US07541385-20090602-C00001.png) |
JP (1) | JPS5327941B2 (US07541385-20090602-C00001.png) |
FR (1) | FR2194946B1 (US07541385-20090602-C00001.png) |
GB (1) | GB1430280A (US07541385-20090602-C00001.png) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3983391A (en) * | 1975-05-21 | 1976-09-28 | Itek Corporation | Optical encoder of the reflective type |
GB1525049A (en) * | 1976-05-08 | 1978-09-20 | Ferranti Ltd | Displacement-indicating apparatus |
JPS5329860A (en) * | 1976-08-31 | 1978-03-20 | Sharp Kk | Fan |
US4500870A (en) * | 1981-09-29 | 1985-02-19 | Eotec Corporation | Method and components for remote reading of utility meters |
JPS6347616A (ja) * | 1986-08-15 | 1988-02-29 | Ricoh Co Ltd | 移動量測定方法 |
US4899048A (en) * | 1987-04-27 | 1990-02-06 | Printware, Inc. | Focused optical beam encoder of position |
US5073710A (en) * | 1989-09-21 | 1991-12-17 | Copal Company Limited | Optical displacement detector including a displacement member's surface having a diffractive pattern and a holographic lens pattern |
US5448355A (en) * | 1993-03-31 | 1995-09-05 | Asahi Kogaku Kogyo Kabushiki Kaisha | System for measuring tilt of image plane of optical system using diffracted light |
US6336362B1 (en) | 1998-01-22 | 2002-01-08 | Roy A. Duenas | Method and system for measuring and remotely reporting the liquid level of tanks and the usage thereof |
JP3743426B2 (ja) * | 2002-02-13 | 2006-02-08 | オムロン株式会社 | 光学式エンコーダ |
CN102331269B (zh) * | 2011-09-20 | 2014-01-22 | 海军工程大学 | 多路绝对式轴角传感器 |
US9597229B2 (en) * | 2013-03-15 | 2017-03-21 | Abbott Medical Optics Inc. | Phacoemulsification flow rate detection system and method |
JP7130472B2 (ja) * | 2018-07-05 | 2022-09-05 | 株式会社ミツトヨ | 光学式角度センサ |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3364359A (en) * | 1968-01-16 | Dynamics Res Corp | Electro-optical encoder having transmission variation compensation | |
US3244895A (en) * | 1962-07-26 | 1966-04-05 | Dynamics Res Corp | Shaft encoders |
US3524067A (en) * | 1968-06-26 | 1970-08-11 | Ibm | Compact line grating position sensing device |
US3742486A (en) * | 1971-02-03 | 1973-06-26 | C Skidmore | Analog to digital converter |
US3714448A (en) * | 1971-12-10 | 1973-01-30 | United Aircraft Corp | Light weight, low torque, inexpensive drum type optical digital shaft angle encoder |
-
1972
- 1972-07-28 JP JP7569072A patent/JPS5327941B2/ja not_active Expired
-
1973
- 1973-07-26 US US382877A patent/US3879136A/en not_active Expired - Lifetime
- 1973-07-27 FR FR7327608A patent/FR2194946B1/fr not_active Expired
- 1973-07-27 GB GB3585273A patent/GB1430280A/en not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Also Published As
Publication number | Publication date |
---|---|
DE2338336B2 (de) | 1975-09-11 |
JPS4934351A (US07541385-20090602-C00001.png) | 1974-03-29 |
US3879136A (en) | 1975-04-22 |
GB1430280A (en) | 1976-03-31 |
FR2194946B1 (US07541385-20090602-C00001.png) | 1979-10-19 |
JPS5327941B2 (US07541385-20090602-C00001.png) | 1978-08-11 |
DE2338336A1 (de) | 1974-02-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |