Ophthalmological display including a device for adjusting focus

Details Ophthalmological display including a device for adjusting focus Ophthalmological display including a device for adjusting focus

2005-06-21

2009-10-27

Martinez, Joseph (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

Reexamination Certificate

active

07609453

ABSTRACT:
The invention relates to an ophthalmological display comprising an optical imager (10) for shaping light beams emitted by an optical element of a light beam generator system (20) and directing them towards the eye (O) of the wearer as to enable information content (I) to be viewed, said display being fitted with a device for adjusting focusing by adjusting the length of said light beams between said element and the imager. According to the invention, the generator system comprises a stationary part (21) referred to as a stationary plate, to which said optical element is connected by a moving connection (22) that is adjustable by an actuator device.

REFERENCES:
patent: 2847901 (1958-08-01), Sassaman et al.
patent: 4307941 (1981-12-01), Dziemba
patent: 5353134 (1994-10-01), Michel et al.
patent: 5886822 (1999-03-01), Spitzer
patent: 0592318 (1994-04-01), None
International Search Report—Nov. 21, 2005.
French Search Report—Nov. 21, 2005.

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