Patent FR-1912-440087
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Optical speedometer based on the use of a camera-like chamber.
Espacenet scan lacks page 2 and also illustrations, which it seems there were.
- Inventors' location: Seine
Sources
- Original patent document and bibliography entry on espacenet
| Year filed | 1912 |
|---|---|
| Year granted | 1912 |
| Office | FR |
| Patent number | 440087 |
| Inventors | Angel-Félix Philiponeau, Marie-Joseph-Adrien-Maurice de Brisson de Laroche |
| Inventor country | FR |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Procédé d'évaluation de la vitesse de translation des aéronats relativement au sol et dispositif de viseur en permettant la réalisation |
| English title | Method and viewing apparatus for evaluating aircraft speed relative to the ground |
| Tech fields | navigation, speedometer, instrument, method |
| Filing date | 1912-02-12 |
| Full specification filed date | |
| Application number | |
| Grant date | 1912-04-24 |
| Granted? | 1 |
| Publication date | 1912-07-01 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Dupont et Elluin |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B43L13/18 |
| CPCs | CPC G01P3/04, CPC G01P3/36 |
| Family year | |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 4 |
| Number of diagram pages | |
| Number of figures | |
| Number of claims | 3 |
