NO891123L - Transduser. - Google Patents

Transduser.

Info

Publication number
NO891123L
NO891123L NO89891123A NO891123A NO891123L NO 891123 L NO891123 L NO 891123L NO 89891123 A NO89891123 A NO 89891123A NO 891123 A NO891123 A NO 891123A NO 891123 L NO891123 L NO 891123L
Authority
NO
Norway
Prior art keywords
transducer
Prior art date
Application number
NO89891123A
Other languages
English (en)
Norwegian (no)
Other versions
NO891123D0 (no
Inventor
John Christopher Greenwood
James Mark Naden
Original Assignee
Stc Plc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stc Plc filed Critical Stc Plc
Publication of NO891123D0 publication Critical patent/NO891123D0/no
Publication of NO891123L publication Critical patent/NO891123L/no

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
    • G01D5/28—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/22—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects
    • G01K11/26—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of resonant frequencies
    • 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
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0019—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a semiconductive element
    • G01L9/002—Optical excitation or measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measuring Fluid Pressure (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
NO89891123A 1988-03-26 1989-03-15 Transduser. NO891123L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8807273A GB2215840B (en) 1988-03-26 1988-03-26 Transducer

Publications (2)

Publication Number Publication Date
NO891123D0 NO891123D0 (no) 1989-03-15
NO891123L true NO891123L (no) 1989-09-27

Family

ID=10634186

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89891123A NO891123L (no) 1988-03-26 1989-03-15 Transduser.

Country Status (5)

Country Link
US (1) US4942766A (fr)
FR (1) FR2629202A1 (fr)
GB (1) GB2215840B (fr)
NL (1) NL8900024A (fr)
NO (1) NO891123L (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5319978A (en) * 1990-05-02 1994-06-14 Dynisco, Inc. Optical pressure transducer
US5127269A (en) * 1990-05-02 1992-07-07 Dynisco, Inc. Optical pressure transducer
US5351547A (en) * 1990-05-02 1994-10-04 Dynisco, Inc. Optical pressure transducer having a fixed reflector and a movable reflector attached to a diaphragm
US6008781A (en) 1992-10-22 1999-12-28 Board Of Regents Of The University Of Washington Virtual retinal display
US5629790A (en) * 1993-10-18 1997-05-13 Neukermans; Armand P. Micromachined torsional scanner
US6044705A (en) * 1993-10-18 2000-04-04 Xros, Inc. Micromachined members coupled for relative rotation by torsion bars
US6426013B1 (en) 1993-10-18 2002-07-30 Xros, Inc. Method for fabricating micromachined members coupled for relative rotation
US6467345B1 (en) 1993-10-18 2002-10-22 Xros, Inc. Method of operating micromachined members coupled for relative rotation
US5861549A (en) 1996-12-10 1999-01-19 Xros, Inc. Integrated Silicon profilometer and AFM head
DE69721000T2 (de) * 1996-01-22 2003-11-13 Xros, Inc. Aus Silizium mittels Mikromaterialbearbeitung hergestellter, flügelzellenartiger Mikrodurchflussmesser
US5694237A (en) * 1996-09-25 1997-12-02 University Of Washington Position detection of mechanical resonant scanner mirror
US6025725A (en) * 1996-12-05 2000-02-15 Massachusetts Institute Of Technology Electrically active resonant structures for wireless monitoring and control
US5982528A (en) * 1998-01-20 1999-11-09 University Of Washington Optical scanner having piezoelectric drive
US6097353A (en) * 1998-01-20 2000-08-01 University Of Washington Augmented retinal display with view tracking and data positioning
US5995264A (en) * 1998-01-20 1999-11-30 University Of Washington Counter balanced optical scanner
US5913591A (en) * 1998-01-20 1999-06-22 University Of Washington Augmented imaging using a silhouette to improve contrast
US5982555A (en) * 1998-01-20 1999-11-09 University Of Washington Virtual retinal display with eye tracking
US6154321A (en) * 1998-01-20 2000-11-28 University Of Washington Virtual retinal display with eye tracking
WO2000013210A2 (fr) 1998-09-02 2000-03-09 Xros, Inc. Elements micro-usines couples permettant une rotation relative au moyen d'articulations de flexion en torsion
US6525864B1 (en) 2000-07-20 2003-02-25 Nayna Networks, Inc. Integrated mirror array and circuit device
US6407844B1 (en) 2001-02-09 2002-06-18 Nayna Networks, Inc. Device for fabricating improved mirror arrays for physical separation
US6527965B1 (en) 2001-02-09 2003-03-04 Nayna Networks, Inc. Method for fabricating improved mirror arrays for physical separation
US6577427B1 (en) * 2001-02-20 2003-06-10 Nayna Networks, Inc. Process for manufacturing mirror devices using semiconductor technology
US6529654B1 (en) 2001-05-02 2003-03-04 Nayna Networks, Inc. Method for transparent switching and controlling optical signals using mirror designs
US6771851B1 (en) 2001-06-19 2004-08-03 Nayna Networks Fast switching method for a micro-mirror device for optical switching applications
US6477291B1 (en) 2001-09-13 2002-11-05 Nayna Networks, Inc. Method and system for in-band connectivity for optical switching applications
US6614517B1 (en) 2001-09-18 2003-09-02 Nayna Networks, Inc. Method and computer aided apparatus for aligning large density fiber arrays
US6836353B1 (en) 2001-11-20 2004-12-28 Nayna Networks, Inc. Redundant switch fabric methods and system for switching of telecommunication signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379226A (en) * 1981-02-02 1983-04-05 Siemens Corporation Method and sensor device for measuring a physical parameter utilizing an oscillatory, light modulation element
GB2115551B (en) * 1982-02-09 1985-11-13 Itt Ind Ltd Load sensor
GB8530809D0 (en) * 1985-12-13 1986-01-22 Gen Electric Co Plc Sensor
US4691578A (en) * 1986-02-21 1987-09-08 Fischer & Porter Company Coriolis-type mass flowmeter

Also Published As

Publication number Publication date
US4942766A (en) 1990-07-24
NO891123D0 (no) 1989-03-15
GB8807273D0 (en) 1988-04-27
GB2215840A (en) 1989-09-27
GB2215840B (en) 1992-01-08
FR2629202A1 (fr) 1989-09-29
NL8900024A (nl) 1989-10-16

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