NL7213651A - - Google Patents

Info

Publication number
NL7213651A
NL7213651A NL7213651A NL7213651A NL7213651A NL 7213651 A NL7213651 A NL 7213651A NL 7213651 A NL7213651 A NL 7213651A NL 7213651 A NL7213651 A NL 7213651A NL 7213651 A NL7213651 A NL 7213651A
Authority
NL
Netherlands
Application number
NL7213651A
Other versions
NL161630C (nl
NL161630B (nl
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
Priority to NL7213651.A priority Critical patent/NL161630C/xx
Priority to DE2249850A priority patent/DE2249850A1/de
Priority to FR7236686A priority patent/FR2203221B1/fr
Priority to US00298633A priority patent/US3805190A/en
Priority to CH1556072A priority patent/CH547037A/xx
Publication of NL7213651A publication Critical patent/NL7213651A/xx
Application granted granted Critical
Publication of NL161630C publication Critical patent/NL161630C/xx
Publication of NL161630B publication Critical patent/NL161630B/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)
NL7213651.A 1972-10-09 1972-10-09 Foto-elektrische inrichting voor het opwekken van een laagfrequente harmonische oscillatie. NL161630C (nl)

Priority Applications (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
CH1556072A CH547037A (de) 1972-10-09 1972-10-25 Als oszillator oder filter verwendbares elektrisches geraet.

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 (3)

Publication Number Publication Date
NL7213651A true NL7213651A (fr) 1974-04-11
NL161630C NL161630C (nl) 1979-09-17
NL161630B NL161630B (nl) 1979-09-17

Family

ID=27509518

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7213651.A NL161630C (nl) 1972-10-09 1972-10-09 Foto-elektrische inrichting voor het opwekken van een laagfrequente harmonische oscillatie.

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
FR2203221B1 (fr) 1976-08-20
CH547037A (de) 1974-03-15
FR2203221A1 (fr) 1974-05-10
DE2249850A1 (de) 1974-04-25
US3805190A (en) 1974-04-16
NL161630C (nl) 1979-09-17
NL161630B (nl) 1979-09-17

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: MOSKOVSKY ZAV