Ophthalmic apparatus
US9326680B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2013 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Nov 11, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B21/26
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ophthalmic apparatus includes: a main unit including a unit for observing or photographing an examinee's eye; a movable part in which the main unit is mounted; a vertical movement mechanism provided with a drive part to move the movable part up and down; an operating member to be operated by an examiner to move the movable part up and down; a sensing part to detect an operation signal of the operating member; and a driving control part to convert the operation signal detected by the sensing part to a drive signal to move the movable part up and down, and drive the drive part based on the drive signal, wherein the drive part includes a motor having a hollow portion about a rotation axis thereof, the motor being controlled by the driving control part to rotate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.