NO833733L - Transduser. - Google Patents
Transduser.Info
- Publication number
- NO833733L NO833733L NO833733A NO833733A NO833733L NO 833733 L NO833733 L NO 833733L NO 833733 A NO833733 A NO 833733A NO 833733 A NO833733 A NO 833733A NO 833733 L NO833733 L NO 833733L
- Authority
- NO
- Norway
- Prior art keywords
- emitter
- detector
- transducer
- housing
- reflective surface
- Prior art date
Links
- 230000004044 response Effects 0.000 claims description 26
- 230000008859 change Effects 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000005670 electromagnetic radiation Effects 0.000 claims description 2
- 230000005520 electrodynamics Effects 0.000 description 15
- 230000008901 benefit Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical 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
-
- 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
- G01D5/28—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 deflection of beams of light, e.g. for direct optical indication
- G01D5/30—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 deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measuring Fluid Pressure (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43428782A | 1982-10-14 | 1982-10-14 | |
| US53863283A | 1983-10-06 | 1983-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO833733L true NO833733L (no) | 1984-04-16 |
Family
ID=27030127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO833733A NO833733L (no) | 1982-10-14 | 1983-10-14 | Transduser. |
Country Status (8)
| Country | Link |
|---|---|
| CA (1) | CA1207548A (da) |
| DE (1) | DE3337501A1 (da) |
| DK (1) | DK474683A (da) |
| FI (1) | FI833752A (da) |
| GB (1) | GB2130363B (da) |
| NL (1) | NL8303542A (da) |
| NO (1) | NO833733L (da) |
| SE (1) | SE8305656L (da) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678902A (en) * | 1985-04-30 | 1987-07-07 | Metatech Corporation | Fiber optic transducers with improved sensitivity |
| DE3932056A1 (de) * | 1989-09-26 | 1991-04-04 | Eduard Dr Rer Nat Preuss | Optoelektronische oberflaechenschwingungs-messanordnung mit einer reflexionslichtschranke |
| DE4007971A1 (de) * | 1990-03-13 | 1991-09-19 | Gaggenau Werke | Vorrichtung zum schalten elektrischer einrichtungen |
| US5515730A (en) * | 1992-11-23 | 1996-05-14 | British Aerospace Plc | Apparatus for detecting the amplitude, frequency or modes of vibration of a vibrating panel |
| GB2465372B (en) * | 2008-11-14 | 2013-10-30 | Nicholas James Adkins | Optical displacement transducer |
| US9331656B1 (en) | 2010-06-17 | 2016-05-03 | Steven M. Gottlieb | Audio systems and methods employing an array of transducers optimized for particular sound frequencies |
-
1983
- 1983-10-14 FI FI833752A patent/FI833752A/fi not_active Application Discontinuation
- 1983-10-14 CA CA000439053A patent/CA1207548A/en not_active Expired
- 1983-10-14 NL NL8303542A patent/NL8303542A/nl not_active Application Discontinuation
- 1983-10-14 GB GB08327545A patent/GB2130363B/en not_active Expired
- 1983-10-14 SE SE8305656A patent/SE8305656L/ not_active Application Discontinuation
- 1983-10-14 NO NO833733A patent/NO833733L/no unknown
- 1983-10-14 DE DE19833337501 patent/DE3337501A1/de not_active Withdrawn
- 1983-10-14 DK DK474683A patent/DK474683A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DK474683D0 (da) | 1983-10-14 |
| FI833752A (fi) | 1984-04-15 |
| SE8305656L (sv) | 1984-04-15 |
| GB2130363B (en) | 1986-04-03 |
| DK474683A (da) | 1984-04-15 |
| FI833752A0 (fi) | 1983-10-14 |
| GB2130363A (en) | 1984-05-31 |
| NL8303542A (nl) | 1984-05-01 |
| SE8305656D0 (sv) | 1983-10-14 |
| DE3337501A1 (de) | 1984-05-03 |
| CA1207548A (en) | 1986-07-15 |
| GB8327545D0 (en) | 1983-11-16 |
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