IT1077491B - Percettore ottico di posizione - Google Patents
Percettore ottico di posizioneInfo
- Publication number
- IT1077491B IT1077491B IT49035/77A IT4903577A IT1077491B IT 1077491 B IT1077491 B IT 1077491B IT 49035/77 A IT49035/77 A IT 49035/77A IT 4903577 A IT4903577 A IT 4903577A IT 1077491 B IT1077491 B IT 1077491B
- Authority
- IT
- Italy
- Prior art keywords
- perceptor
- position optical
- optical
- optical perceptor
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0026—Transmitting or indicating the displacement of flexible, deformable tubes by electric, electromechanical, magnetic or electromagnetic means
- G01L9/0032—Transmitting or indicating the displacement of flexible, deformable tubes by electric, electromechanical, magnetic or electromagnetic means using photoelectric means
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Transform (AREA)
- Measuring Fluid Pressure (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/684,610 US4109147A (en) | 1976-05-10 | 1976-05-10 | Optical position sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1077491B true IT1077491B (it) | 1985-05-04 |
Family
ID=24748782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49035/77A IT1077491B (it) | 1976-05-10 | 1977-04-20 | Percettore ottico di posizione |
Country Status (13)
Country | Link |
---|---|
US (1) | US4109147A (it) |
JP (1) | JPS52137372A (it) |
AU (1) | AU505710B2 (it) |
BE (1) | BE854411A (it) |
CA (1) | CA1090898A (it) |
CH (1) | CH619775A5 (it) |
DE (1) | DE2721491C2 (it) |
ES (1) | ES458594A1 (it) |
FR (1) | FR2351385A1 (it) |
GB (1) | GB1557441A (it) |
IT (1) | IT1077491B (it) |
NL (1) | NL7704483A (it) |
SE (1) | SE441785B (it) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH639196A5 (de) * | 1977-11-23 | 1983-10-31 | Asea Ab | Messgeraet zum messen von physikalischen groessen mittels optischer mittel. |
GB2021760B (en) * | 1978-05-26 | 1982-10-13 | Honeywell Inc | Optical potentiometers |
US4320293A (en) * | 1978-08-30 | 1982-03-16 | Harold Guretzky | Angle-position transducer |
CA1146276A (en) * | 1978-09-05 | 1983-05-10 | Francis M. Jobbagy | Analog-to-digital converter apparatus for condition responsive transducer |
FR2498754A2 (fr) * | 1981-01-27 | 1982-07-30 | Mecilec Sa | Dispositif de mesure de pression fonctionnant en numerique |
US4484071A (en) * | 1982-03-12 | 1984-11-20 | Webster Peter John | Method and apparatus for determining the location of graduated marks in measuring applications |
GB2124760B (en) * | 1982-08-05 | 1986-02-12 | Electricity Council | Temperature of elongate articles |
US4538063A (en) * | 1983-01-05 | 1985-08-27 | Dresser Industries, Inc. | Photo transducer circuit for setting minimum and maximum current flow between power terminals |
US4502334A (en) * | 1983-08-04 | 1985-03-05 | Dresser Industries, Inc. | Combined pressure gauge-transmitter |
GB2151774A (en) * | 1983-12-16 | 1985-07-24 | Atomic Energy Authority Uk | Measuring displacement |
US4531414A (en) * | 1984-05-21 | 1985-07-30 | Kraus Robert A | Linear displacement transducer device |
EP0263261A1 (de) * | 1986-09-05 | 1988-04-13 | BBC Brown Boveri AG | Optoelektronischer Wegaufnehmer |
JPH0198934A (ja) * | 1987-10-12 | 1989-04-17 | Mimii Denshi Kk | 気圧計又は気圧高度計 |
GB2237377A (en) * | 1989-08-23 | 1991-05-01 | Hoover Plc | Liquid level transducer |
DE4023323A1 (de) * | 1990-07-21 | 1992-01-23 | Krieg Gunther | Positionssensor |
US5360331A (en) * | 1993-01-05 | 1994-11-01 | Dynisco, Inc. | Injection molding machine pressure transducer |
US5602339A (en) * | 1994-03-24 | 1997-02-11 | Dynisco, Inc. | Injection molding machine pressure transducer with trapezoidal cavity |
AU2920295A (en) * | 1994-07-09 | 1996-02-09 | Uwe Engberts | Device for recording changes in position or movements over short distances |
GB9705105D0 (en) | 1997-03-12 | 1997-04-30 | Brown & Sharpe Limited | Optical surface measurement apparatus and methods |
US20030234351A1 (en) * | 2002-06-25 | 2003-12-25 | Chong-Hin Chee | Brightness independent optical position sensor |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1090872B (de) * | 1958-05-21 | 1960-10-13 | Gossen & Co Gmbh P | Lichtkontaktinstrument mit einem oberen und einem unteren Grenzwert zugeordneten lichtelektrischen Zellen |
DE6601355U (it) * | 1959-01-08 | 1969-04-30 | Schenck C Gmbh | |
US3316547A (en) * | 1964-07-15 | 1967-04-25 | Fairchild Camera Instr Co | Integrating analog-to-digital converter |
US3521072A (en) * | 1967-08-21 | 1970-07-21 | James W Wipson | Variable masking of radiation sensitive areas along x and y axes by pivotally mounted control shaft |
US3502894A (en) * | 1968-05-16 | 1970-03-24 | Us Agriculture | Angle measuring photoelectric transducer with two photocells and electroluminescent source of light |
JPS4415398Y1 (it) * | 1968-11-20 | 1969-07-03 | ||
DE1911956A1 (de) * | 1969-03-10 | 1970-09-24 | Leitz Ernst Gmbh | Fotoelektrische Einrichtung zum beruehrungslosen Bestimmen kleiner Lage- oder Winkelaenderungen von Objekten |
JPS4932653B1 (it) * | 1970-03-14 | 1974-09-02 | ||
JPS4825762B1 (it) * | 1970-06-02 | 1973-07-31 | ||
US3730633A (en) * | 1970-12-31 | 1973-05-01 | Aerotherm Corp | Photometric detector and measuring system |
US3768311A (en) * | 1971-02-08 | 1973-10-30 | Dresser Ind | Motion responsive electrical control apparatus |
US3742233A (en) * | 1971-08-20 | 1973-06-26 | Dresser Ind | Motion displacement transducer |
DE2148696A1 (de) * | 1971-09-29 | 1973-04-05 | Krauss Maffei Ag | Optische einrichtung zum erzeugen eines von der eintauchtiefe eines beweglichen bauteiles in ein messlichtbuendel abhaengigen elektrischen signales |
US3788795A (en) * | 1972-06-05 | 1974-01-29 | E Zeitlin | Pressure operated modulating meter for regulating a flue damper |
US3900738A (en) * | 1973-05-23 | 1975-08-19 | Lockheed Missiles Space | Non-contact measuring gauge |
US3885872A (en) * | 1973-06-12 | 1975-05-27 | Ibm | Digital proximity sensing system |
JPS50113250A (it) * | 1974-02-14 | 1975-09-05 |
-
1976
- 1976-05-10 US US05/684,610 patent/US4109147A/en not_active Expired - Lifetime
-
1977
- 1977-04-05 CA CA275,589A patent/CA1090898A/en not_active Expired
- 1977-04-20 IT IT49035/77A patent/IT1077491B/it active
- 1977-04-22 GB GB16911/77A patent/GB1557441A/en not_active Expired
- 1977-04-25 NL NL7704483A patent/NL7704483A/xx not_active Application Discontinuation
- 1977-04-26 SE SE7704770A patent/SE441785B/xx not_active IP Right Cessation
- 1977-04-27 AU AU24632/77A patent/AU505710B2/en not_active Expired
- 1977-04-27 CH CH522877A patent/CH619775A5/fr not_active IP Right Cessation
- 1977-05-06 FR FR7713908A patent/FR2351385A1/fr active Granted
- 1977-05-07 ES ES458594A patent/ES458594A1/es not_active Expired
- 1977-05-09 BE BE177396A patent/BE854411A/xx not_active IP Right Cessation
- 1977-05-10 DE DE2721491A patent/DE2721491C2/de not_active Expired
- 1977-05-10 JP JP5363977A patent/JPS52137372A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
BE854411A (fr) | 1977-09-01 |
SE441785B (sv) | 1985-11-04 |
SE7704770L (sv) | 1977-11-11 |
AU2463277A (en) | 1978-11-02 |
FR2351385B1 (it) | 1982-03-19 |
NL7704483A (nl) | 1977-11-14 |
DE2721491A1 (de) | 1977-11-24 |
FR2351385A1 (fr) | 1977-12-09 |
CH619775A5 (it) | 1980-10-15 |
DE2721491C2 (de) | 1986-01-16 |
AU505710B2 (en) | 1979-11-29 |
ES458594A1 (es) | 1978-10-01 |
GB1557441A (en) | 1979-12-12 |
US4109147A (en) | 1978-08-22 |
JPS52137372A (en) | 1977-11-16 |
CA1090898A (en) | 1980-12-02 |
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