BE846587A - COIL AND MICROPHONE HOLDER FOR FREQUENCY CORRECTION DEVICE FOR MECHANICAL RESONATORS - Google Patents

COIL AND MICROPHONE HOLDER FOR FREQUENCY CORRECTION DEVICE FOR MECHANICAL RESONATORS

Info

Publication number
BE846587A
BE846587A BE170940A BE170940A BE846587A BE 846587 A BE846587 A BE 846587A BE 170940 A BE170940 A BE 170940A BE 170940 A BE170940 A BE 170940A BE 846587 A BE846587 A BE 846587A
Authority
BE
Belgium
Prior art keywords
coil
correction device
frequency correction
microphone holder
mechanical resonators
Prior art date
Application number
BE170940A
Other languages
French (fr)
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 filed Critical
Publication of BE846587A publication Critical patent/BE846587A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H13/00Measuring resonant frequency
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/013Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for obtaining desired frequency or temperature coefficient

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
BE170940A 1975-09-26 1976-09-24 COIL AND MICROPHONE HOLDER FOR FREQUENCY CORRECTION DEVICE FOR MECHANICAL RESONATORS BE846587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2543128A DE2543128C3 (en) 1975-09-26 1975-09-26 Coil and microphone holder for a frequency adjustment device for mechanical resonators

Publications (1)

Publication Number Publication Date
BE846587A true BE846587A (en) 1977-01-17

Family

ID=5957597

Family Applications (1)

Application Number Title Priority Date Filing Date
BE170940A BE846587A (en) 1975-09-26 1976-09-24 COIL AND MICROPHONE HOLDER FOR FREQUENCY CORRECTION DEVICE FOR MECHANICAL RESONATORS

Country Status (22)

Country Link
JP (1) JPS5832802B2 (en)
AT (1) AT356710B (en)
BE (1) BE846587A (en)
BR (1) BR7606369A (en)
CA (1) CA1080343A (en)
CH (1) CH609505A5 (en)
CS (1) CS208191B2 (en)
DE (1) DE2543128C3 (en)
DK (1) DK143009C (en)
ES (1) ES451815A1 (en)
FR (1) FR2326076A1 (en)
GB (1) GB1534605A (en)
GR (1) GR60578B (en)
HU (1) HU172595B (en)
IE (1) IE43049B1 (en)
IL (1) IL50277A (en)
IT (1) IT1068347B (en)
LU (1) LU75494A1 (en)
NL (1) NL168095C (en)
PT (1) PT65647B (en)
YU (1) YU225676A (en)
ZA (1) ZA764967B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1587123A (en) * 1976-11-12 1981-04-01 Emi Ltd Measuring arrangements for electrical signals

Also Published As

Publication number Publication date
IL50277A (en) 1979-03-12
DE2543128B2 (en) 1977-07-21
IT1068347B (en) 1985-03-21
HU172595B (en) 1978-10-28
DE2543128C3 (en) 1978-03-16
AT356710B (en) 1980-05-27
FR2326076A1 (en) 1977-04-22
JPS5242349A (en) 1977-04-01
JPS5832802B2 (en) 1983-07-15
NL168095B (en) 1981-09-16
PT65647A (en) 1976-10-01
GR60578B (en) 1978-06-28
LU75494A1 (en) 1977-03-03
DK143009C (en) 1981-10-19
CS208191B2 (en) 1981-08-31
DK432576A (en) 1977-03-27
ES451815A1 (en) 1977-11-01
PT65647B (en) 1978-04-07
IE43049L (en) 1977-03-26
NL168095C (en) 1982-02-16
CA1080343A (en) 1980-06-24
IE43049B1 (en) 1980-12-03
ATA599876A (en) 1979-10-15
GB1534605A (en) 1978-12-06
IL50277A0 (en) 1976-10-31
AU1710476A (en) 1977-11-17
BR7606369A (en) 1977-05-31
DE2543128A1 (en) 1977-03-31
NL7610623A (en) 1977-03-29
YU225676A (en) 1982-05-31
FR2326076B1 (en) 1978-11-03
CH609505A5 (en) 1979-02-28
DK143009B (en) 1981-03-09
ZA764967B (en) 1977-07-27

Similar Documents

Publication Publication Date Title
JPS51143384A (en) Method and device for measuring surface characteristics by resonance
SE7810348L (en) RESONATOR DEVICE FOR ACOUSTIC VAGORS
FR2302656A1 (en) PIEZOELECTRIC TRANSDUCER FOR LOW FREQUENCIES
HU173035B (en) Device for measuring the speed of low-frequency mechanical vibrations
GB1543192A (en) Temperature stable surface acoustic wave device
BE842554A (en) INTERMEDIATE FREQUENCY FILTER FOR TELEVISION
FR2298895A1 (en) SUPPORT DEVICE FOR TURBOALTERNATOR STATOR COILS
GB2045008B (en) Piezoelectric apparatus for supporting magnetic transducer
FR2315807A1 (en) HIGH FREQUENCY TELECOMMUNICATIONS DEVICE
JPS5235960A (en) Method and device for automatically controlling barrlike or planar piezooelectric resonator frequency
GB1538137A (en) Thickness-shear quartz crystal vibrator
FR2325248A1 (en) ELECTRONIC MOUNTING FOR ADJUSTABLE FREQUENCY DIVIDER
SE429151B (en) STEEL MOUNTING MOUNT AND PROCEDURE FOR MANUFACTURE
BE846587A (en) COIL AND MICROPHONE HOLDER FOR FREQUENCY CORRECTION DEVICE FOR MECHANICAL RESONATORS
JPS5259543A (en) Device for reading optical image by surface acoustic wave
HK47982A (en) Thickness-shear crystal vibrator
SE7611711L (en) PROCEDURE AND DEVICE FOR ADAPTIVE EQUOUSING
JPS5218632A (en) Vibration damping apparatus
SU645037A1 (en) Device for measuring resonance frequencies of article mechanical oscillation
YU199876A (en) Suspension device for a supporting framework of an underceiling
JPS5282276A (en) Resonance frequency automatic measuring device
JPS5465021A (en) Device for measuring resonant frequency of speaker vibration parts
FR2321720A1 (en) MECHANISM FOR SUPPORTING A PIEZOELECTRIC OSCILLATOR
JPS5264051A (en) Device for preventing acoustic vibration
FR2331858A1 (en) ACOUSTIC AMPLIFIER DEVICE ESPECIALLY FOR ELECTRIC GUITAR