FR2042495B1 - - Google Patents

Info

Publication number
FR2042495B1
FR2042495B1 FR7016806A FR7016806A FR2042495B1 FR 2042495 B1 FR2042495 B1 FR 2042495B1 FR 7016806 A FR7016806 A FR 7016806A FR 7016806 A FR7016806 A FR 7016806A FR 2042495 B1 FR2042495 B1 FR 2042495B1
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
FR7016806A
Other versions
FR2042495A1 (fr
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP3685569A external-priority patent/JPS4839721B1/ja
Priority claimed from JP3685469A external-priority patent/JPS4835364B1/ja
Priority claimed from JP3684869A external-priority patent/JPS4919444B1/ja
Priority claimed from JP3684769A external-priority patent/JPS4919443B1/ja
Priority claimed from JP3685369A external-priority patent/JPS4936241B1/ja
Priority claimed from JP3685169A external-priority patent/JPS4919445B1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2042495A1 publication Critical patent/FR2042495A1/fr
Application granted granted Critical
Publication of FR2042495B1 publication Critical patent/FR2042495B1/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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
    • 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
    • H04R21/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • 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
    • H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Pressure Sensors (AREA)
  • Micromachines (AREA)
FR7016806A 1969-05-08 1970-05-08 Expired FR2042495B1 (fr)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP3684669 1969-05-08
JP3685569A JPS4839721B1 (fr) 1969-05-08 1969-05-08
JP3685469A JPS4835364B1 (fr) 1969-05-08 1969-05-08
JP3684869A JPS4919444B1 (fr) 1969-05-08 1969-05-08
JP3684769A JPS4919443B1 (fr) 1969-05-08 1969-05-08
JP3685069 1969-05-08
JP3684969 1969-05-08
JP3685369A JPS4936241B1 (fr) 1969-05-08 1969-05-08
JP3685269 1969-05-08
JP3685169A JPS4919445B1 (fr) 1969-05-08 1969-05-08

Publications (2)

Publication Number Publication Date
FR2042495A1 FR2042495A1 (fr) 1971-02-12
FR2042495B1 true FR2042495B1 (fr) 1978-06-02

Family

ID=27579886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7016806A Expired FR2042495B1 (fr) 1969-05-08 1970-05-08

Country Status (5)

Country Link
US (1) US3673354A (fr)
DE (1) DE2022652A1 (fr)
FR (1) FR2042495B1 (fr)
GB (1) GB1309146A (fr)
NL (1) NL156886B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805601A (en) * 1972-07-28 1974-04-23 Bell & Howell Co High sensitivity semiconductor strain gauge
US3849874A (en) * 1972-07-28 1974-11-26 Bell & Howell Co Method for making a semiconductor strain transducer
US3952171A (en) * 1974-09-18 1976-04-20 Micro/Acoustics Corporation Stereo phonograph cartridge
JPS5325523Y2 (fr) * 1975-02-18 1978-06-30
GB1523364A (en) * 1975-02-19 1978-08-31 Matsushita Electric Ind Co Ltd Phonograph pickup
DK137560B (da) * 1976-06-22 1978-03-20 Ortofon Mfg As Pickup.
DE3041756A1 (de) * 1980-11-05 1982-06-09 Siemens AG, 1000 Berlin und 8000 München Drucksensor
GB8322273D0 (en) * 1983-08-18 1983-09-21 Bell & Howell Co Applying semiconductor material to substrate
US5489900A (en) * 1994-06-03 1996-02-06 International Business Machines Corporation Force sensitive transducer for use in a computer keyboard
US9063028B2 (en) * 2010-07-22 2015-06-23 Incident Technologies, Inc. Apparatus and method for detection of mechanical inputs
US9311907B2 (en) 2014-03-17 2016-04-12 Incident Technologies, Inc. Musical input device and dynamic thresholding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055989A (en) * 1957-08-12 1962-09-25 Columbia Broadcasting Syst Inc Ceramic reproducer
US3270554A (en) * 1961-01-04 1966-09-06 Bell Telephone Labor Inc Diffused layer transducers
NL275027A (fr) * 1961-03-09
US3233047A (en) * 1961-10-02 1966-02-01 Teleprompter Corp Stereo piezoelectric transducer
US3501732A (en) * 1964-05-04 1970-03-17 Endevco Corp Semiconductive piezoresistive transducer having a grooved support with electrical contacts
FR1556155A (fr) * 1967-03-21 1969-01-31
GB1155519A (en) * 1967-12-15 1969-06-18 Standard Telephones Cables Ltd Electromechanical Transducer

Also Published As

Publication number Publication date
FR2042495A1 (fr) 1971-02-12
DE2022652A1 (de) 1970-11-19
NL7006595A (fr) 1970-11-10
US3673354A (en) 1972-06-27
GB1309146A (en) 1973-03-07
NL156886B (nl) 1978-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse