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
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)
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 (es) | 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 (es) | 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 (es) | 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 (es) |
| CH (1) | CH547037A (es) |
| DE (1) | DE2249850A1 (es) |
| FR (1) | FR2203221B1 (es) |
| NL (1) | NL161630C (es) |
Families Citing this family (4)
| 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)
| 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 |
-
1972
- 1972-10-09 NL NL7213651.A patent/NL161630C/xx not_active IP Right Cessation
- 1972-10-11 DE DE2249850A patent/DE2249850A1/de not_active Ceased
- 1972-10-17 FR FR7236686A patent/FR2203221B1/fr not_active Expired
- 1972-10-18 US US00298633A patent/US3805190A/en not_active Expired - Lifetime
- 1972-10-25 CH CH1556072A patent/CH547037A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2203221B1 (es) | 1976-08-20 |
| CH547037A (de) | 1974-03-15 |
| FR2203221A1 (es) | 1974-05-10 |
| DE2249850A1 (de) | 1974-04-25 |
| US3805190A (en) | 1974-04-16 |
| NL161630C (nl) | 1979-09-17 |
| NL161630B (nl) | 1979-09-17 |
Similar Documents
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 |