Apparatus for measurement of an eye's response to visual flicker
US5237349A · kind A · utility
7Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 26, 1991 |
| Grant date | Aug 17, 1993 |
| Priority date | — |
| Expiry date | Nov 26, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/161
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for measuring the response of the eye to the flashing of a luminous source comprises a housing (11) containing a source of electrical energy (16), a light-emitting diode (14), an optical system (15) for focusing the light emitted by the source on the retina of the eye and an electronic control device (17). This device is arranged to generate numerical sinusoidal signal with modulation delta, which simplifies the circuit and ensures that the measurements are sufficiently stable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.