CH547037A - Als oszillator oder filter verwendbares elektrisches geraet. - Google Patents

Als oszillator oder filter verwendbares elektrisches geraet.

Info

Publication number
CH547037A
CH547037A CH1556072A CH547037DA CH547037A CH 547037 A CH547037 A CH 547037A CH 1556072 A CH1556072 A CH 1556072A CH 547037D A CH547037D A CH 547037DA CH 547037 A CH547037 A CH 547037A
Authority
CH
Switzerland
Prior art keywords
oscillator
filter
electrical device
electrical
Prior art date
Application number
CH1556072A
Other languages
German (de)
English (en)
Original Assignee
Ob Melz
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 Ob Melz filed Critical Ob Melz
Publication of CH547037A publication Critical patent/CH547037A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B17/00—Generation of oscillations using radiation source and detector, e.g. with interposed variable obturator

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
CH1556072A 1972-10-09 1972-10-25 Als oszillator oder filter verwendbares elektrisches geraet. CH547037A (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
NL7213651.A NL161630C (nl) 1972-10-09 1972-10-09 Foto-elektrische inrichting voor het opwekken van een laagfrequente harmonische oscillatie.
DE2249850A DE2249850A1 (de) 1972-10-09 1972-10-11 Fotoelektrisches geraet zur erzeugung von harmonischen niederfrequenzschwingungen
FR7236686A FR2203221B1 (fr) 1972-10-09 1972-10-17
US00298633A US3805190A (en) 1972-10-09 1972-10-18 Photoelectric device for generating and filtering low-frequency harmonic oscillations
CH1556072 1972-10-25

Publications (1)

Publication Number Publication Date
CH547037A true CH547037A (de) 1974-03-15

Family

ID=27509518

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1556072A CH547037A (de) 1972-10-09 1972-10-25 Als oszillator oder filter verwendbares elektrisches geraet.

Country Status (5)

Country Link
US (1) US3805190A (fr)
CH (1) CH547037A (fr)
DE (1) DE2249850A1 (fr)
FR (1) FR2203221B1 (fr)
NL (1) NL161630C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56120924A (en) * 1980-02-29 1981-09-22 Anritsu Corp Vibrator for optical chopper of light detecting device
GB2121953B (en) * 1982-06-10 1985-09-04 Itt Ind Ltd Improvements in transducers
FR2582878B1 (fr) * 1985-05-30 1989-07-13 France Etat Armement Resonateur a materiau non piezoelectrique a grand coefficient de qualite
US5596477A (en) * 1993-05-03 1997-01-21 Faraday, Inc. Contactless signaling device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR681048A (fr) * 1928-10-26 1930-05-08 Philips Nv Installation destinée à engendrer des oscillations électriques à fréquence constante
US1979296A (en) * 1931-10-19 1934-11-06 William H Sweeney Television apparatus
US1958071A (en) * 1932-02-01 1934-05-08 Heintz & Kaufman Ltd Electrically driven vibrator
US3178579A (en) * 1960-11-23 1965-04-13 Kollsman Instr Corp Photosensitive tuning fork scanner

Also Published As

Publication number Publication date
FR2203221A1 (fr) 1974-05-10
NL161630B (nl) 1979-09-17
US3805190A (en) 1974-04-16
DE2249850A1 (de) 1974-04-25
NL7213651A (fr) 1974-04-11
NL161630C (nl) 1979-09-17
FR2203221B1 (fr) 1976-08-20

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Legal Events

Date Code Title Description
PL Patent ceased