Noninverting photo-microscope with variable power lenses
US4834516A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1987 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Dec 1, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B21/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A microscope apparatus manufacturable at a low cost, and equipped with a photographing device assuring coincidence between an image to be observed and an image to be photographed, correctly photographing the up-down and right-left directions of a sample with no switching operation and permitting correct readout of characters, etc. written on a sample, a macro observation or drawing attachment permitting observation of the entire surface of a sample even of a large size without fail, not degrading operability of the microscope and having a composition to facilitate correction of image rotation, and a data imprinting device providing legible imprinted data images and capable of shifting data imprinting position on the film surface of the photographing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.