FR2098451B1 - - Google Patents

Info

Publication number
FR2098451B1
FR2098451B1 FR717125933A FR7125933A FR2098451B1 FR 2098451 B1 FR2098451 B1 FR 2098451B1 FR 717125933 A FR717125933 A FR 717125933A FR 7125933 A FR7125933 A FR 7125933A FR 2098451 B1 FR2098451 B1 FR 2098451B1
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.)
Expired
Application number
FR717125933A
Other languages
French (fr)
Other versions
FR2098451A1 (OSRAM
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INSTITUTUL DE FIZICA
Original Assignee
INSTITUTUL DE FIZICA
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 INSTITUTUL DE FIZICA filed Critical INSTITUTUL DE FIZICA
Publication of FR2098451A1 publication Critical patent/FR2098451A1/fr
Application granted granted Critical
Publication of FR2098451B1 publication Critical patent/FR2098451B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
    • G01L1/2293—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges of the semi-conductor type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/10—Adjustable resistors adjustable by mechanical pressure or force
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Force In General (AREA)
FR717125933A 1970-07-16 1971-07-15 Expired FR2098451B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO6394670 1970-07-16

Publications (2)

Publication Number Publication Date
FR2098451A1 FR2098451A1 (OSRAM) 1972-03-10
FR2098451B1 true FR2098451B1 (OSRAM) 1973-06-29

Family

ID=20087965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717125933A Expired FR2098451B1 (OSRAM) 1970-07-16 1971-07-15

Country Status (4)

Country Link
US (1) US3705993A (OSRAM)
DE (1) DE2135455A1 (OSRAM)
FR (1) FR2098451B1 (OSRAM)
NL (1) NL7109824A (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2828605C3 (de) * 1977-06-29 1982-01-14 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Halbleitervorrichtung
US4327350A (en) * 1979-07-17 1982-04-27 Data Instruments, Inc. Pressure transducer
GB2098739B (en) * 1981-05-16 1985-01-16 Colvern Ltd Electrical strain gauges
WO1994028372A1 (en) * 1993-05-25 1994-12-08 Rosemount Inc. Organic chemical sensor
DE10135170A1 (de) * 2001-07-19 2003-02-06 Bosch Gmbh Robert Herstellungsverfahren für ein Dünnschichtbauelement und Dünnschichtbauelement
EP1905270B8 (en) * 2005-07-18 2012-04-11 Datec Coating Corporation Low temperature fired, lead-free thick film heating element
US20100126273A1 (en) * 2008-11-25 2010-05-27 New Jersey Institute Of Technology Flexible impact sensors and methods of making same
US11327599B2 (en) 2011-04-26 2022-05-10 Sentons Inc. Identifying a contact type
KR102070612B1 (ko) 2011-11-18 2020-01-30 센톤스 아이엔씨. 국소형 햅틱 피드백
US11262253B2 (en) * 2017-08-14 2022-03-01 Sentons Inc. Touch input detection using a piezoresistive sensor
EP2780783B1 (en) 2011-11-18 2022-12-28 Sentons Inc. Detecting touch input force
US11580829B2 (en) 2017-08-14 2023-02-14 Sentons Inc. Dynamic feedback for haptics

Also Published As

Publication number Publication date
US3705993A (en) 1972-12-12
FR2098451A1 (OSRAM) 1972-03-10
DE2135455A1 (de) 1972-01-20
NL7109824A (OSRAM) 1972-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse