SE300020B - - Google Patents

Info

Publication number
SE300020B
SE300020B SE2593/62A SE259362A SE300020B SE 300020 B SE300020 B SE 300020B SE 2593/62 A SE2593/62 A SE 2593/62A SE 259362 A SE259362 A SE 259362A SE 300020 B SE300020 B SE 300020B
Authority
SE
Sweden
Application number
SE2593/62A
Inventor
R Karmann
M Zerbst
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of SE300020B publication Critical patent/SE300020B/xx

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
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Pressure Sensors (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
SE2593/62A 1961-03-09 1962-03-08 SE300020B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES72897A DE1213896B (de) 1961-03-09 1961-03-09 Anordnung zur Umwandlung mechanischer Schwingungen in elektrische

Publications (1)

Publication Number Publication Date
SE300020B true SE300020B (xx) 1968-04-01

Family

ID=7503548

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2593/62A SE300020B (xx) 1961-03-09 1962-03-08

Country Status (6)

Country Link
US (1) US3236957A (xx)
BE (1) BE614836A (xx)
CH (1) CH397791A (xx)
DE (1) DE1213896B (xx)
FI (1) FI40809B (xx)
SE (1) SE300020B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312790A (en) * 1963-05-23 1967-04-04 Bell Telephone Labor Inc Stress-responsive semiconductor transducers
DE1250654B (xx) * 1963-09-13 1967-09-21
NO115502B (xx) * 1965-06-01 1968-10-14 Sentralinst For Ind Forskning
US3585466A (en) * 1968-12-10 1971-06-15 Westinghouse Electric Corp Resonant gate transistor with improved gain having a vibratory member disposed in a spaced relationship between a field responsive member and a field plate
US3626256A (en) * 1970-10-16 1971-12-07 Transidyne Gen Corp Thin film semiconductor strain gauges and method for making same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2171793A (en) * 1937-02-24 1939-09-05 Aurex Corp Microphone
GB678766A (en) * 1950-05-24 1952-09-10 Fortiphone Ltd Improvements in or relating to microphones
DE1006169B (de) * 1952-02-07 1957-04-11 Siemes & Halske Ag Anordnung zur Umwandlung mechanischer in elektrische Schwingungen
US2866014A (en) * 1955-10-31 1958-12-23 Bell Telephone Labor Inc Piezoresistive acoustic transducer
US2898477A (en) * 1955-10-31 1959-08-04 Bell Telephone Labor Inc Piezoelectric field effect semiconductor device
US3003900A (en) * 1957-11-12 1961-10-10 Pacific Semiconductors Inc Method for diffusing active impurities into semiconductor materials
US2907672A (en) * 1958-08-25 1959-10-06 Ford Motor Co Aurous coating on an optical element
US3031634A (en) * 1960-04-04 1962-04-24 Century Geophysical Corp Strain gauge

Also Published As

Publication number Publication date
CH397791A (de) 1965-08-31
FI40809B (xx) 1969-02-28
DE1213896B (de) 1966-04-07
BE614836A (fr) 1962-09-10
US3236957A (en) 1966-02-22

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