CH619775A5 - - Google Patents
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- Publication number
- CH619775A5 CH619775A5 CH522877A CH522877A CH619775A5 CH 619775 A5 CH619775 A5 CH 619775A5 CH 522877 A CH522877 A CH 522877A CH 522877 A CH522877 A CH 522877A CH 619775 A5 CH619775 A5 CH 619775A5
- Authority
- CH
- Switzerland
- Prior art keywords
- signal
- position detection
- sensitive
- elements
- detection apparatus
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 15
- 230000005855 radiation Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 230000002596 correlated effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000002411 adverse Effects 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 102000003712 Complement factor B Human genes 0.000 description 1
- 108090000056 Complement factor B Proteins 0.000 description 1
- 101001017827 Mus musculus Leucine-rich repeat flightless-interacting protein 1 Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 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 |
|---|---|
| CH619775A5 true CH619775A5 (no) | 1980-10-15 |
Family
ID=24748782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH522877A CH619775A5 (no) | 1976-05-10 | 1977-04-27 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4109147A (no) |
| JP (1) | JPS52137372A (no) |
| AU (1) | AU505710B2 (no) |
| BE (1) | BE854411A (no) |
| CA (1) | CA1090898A (no) |
| CH (1) | CH619775A5 (no) |
| DE (1) | DE2721491C2 (no) |
| ES (1) | ES458594A1 (no) |
| FR (1) | FR2351385A1 (no) |
| GB (1) | GB1557441A (no) |
| IT (1) | IT1077491B (no) |
| NL (1) | NL7704483A (no) |
| SE (1) | SE441785B (no) |
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 (no) * | 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 (no) * | 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 (no) * | 1970-03-14 | 1974-09-02 | ||
| JPS4825762B1 (no) * | 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 (no) * | 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 JP JP5363977A patent/JPS52137372A/ja active Pending
- 1977-05-10 DE DE2721491A patent/DE2721491C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES458594A1 (es) | 1978-10-01 |
| BE854411A (fr) | 1977-09-01 |
| DE2721491C2 (de) | 1986-01-16 |
| AU2463277A (en) | 1978-11-02 |
| US4109147A (en) | 1978-08-22 |
| AU505710B2 (en) | 1979-11-29 |
| IT1077491B (it) | 1985-05-04 |
| GB1557441A (en) | 1979-12-12 |
| DE2721491A1 (de) | 1977-11-24 |
| NL7704483A (nl) | 1977-11-14 |
| FR2351385A1 (fr) | 1977-12-09 |
| SE441785B (sv) | 1985-11-04 |
| SE7704770L (sv) | 1977-11-11 |
| FR2351385B1 (no) | 1982-03-19 |
| JPS52137372A (en) | 1977-11-16 |
| CA1090898A (en) | 1980-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |