Edwin A Hazard

20060187562, Aug 24, 2006

Jan 20, 2006

11/335816

Steve Mounnarat - Fairport NY, US
Edwin Hazard - Rochester NY, US

G02B 7/02

359824000

A zoom system for positioning a lens carriage and corresponding method are described. The zoom system includes a drive motor, a lens carriage, and a control system. The drive motor moves the lens carriage including a read head for generating a signal indicative of the lens carriage position. The control system generates a signal causing the drive motor to move the lens carriage and generates a signal causing the drive motor to either stop or move the lens carriage based on the read head generated signal. The method includes generating a first control signal causing a drive motor to move a lens carriage to a predetermined position responsive to a magnification change signal; generating by the lens carriage a read head signal based on detection of an indicator on a tape scale; and generating a second control signal causing the drive motor to stop moving the lens carriage at the predetermined position responsive to the first read head signal.

43962580, Aug 2, 1983

Aug 11, 1980

6/177141

Edwin A. Hazard - Rochester NY

Bausch & Lomb Incorporated - Rochester NY

A61B 302

351243

A compact refraction instrument for use in both the objective and subjective examination of human eyes. The instrument incorporates an alignment mode, a retinoscopy mode, a distance mode and near mode. For carrying out the functions associated with these modes, the instrument includes a Brewster stereoscope and a system for supporting a plurality of binocular/monocular vision testing slides. Positioned along the pair of optical paths between the Brewster stereoscope and the slide supporting system are: a first mask/septum system; a mode change system; a second mask/septum system; and a horizontal/vertical target mask system. The instrument also includes a refractor system and apparatus for suspending the refractor system in the optical paths before the Brewster stereoscope. The slide supporting system includes two rotatable concentric drums. Each drum is formed from a plurality of vision testing slide holders supported between a pair of ring gear members.

44075715, Oct 4, 1983

Aug 11, 1980

6/177142

Peter Augusto - Hilton NY
Edwin A. Hazard - Rochester NY
Richard C. Mohrman - Rochester NY

Bausch & Lomb Incorporated - Rochester NY

A61B 302

351 13

A compact refraction instrument for use in both the objective and subjective examination of human eyes. The instrument incorporates an alignment mode, a retinoscopy mode, a distance mode and near mode. For carrying out the functions associated with these modes, the instrument includes a Brewster stereoscope and a system for supporting a plurality of binocular/monocular vision testing slides. Positioned along the pair of optical paths between the Brewster stereoscope and the slide supporting system are: a first mask/septum system; a mode change system; a second mask/septum system; and a horizontal/vertical target mask system. The instrument also includes a refractor system and apparatus for suspending the refractor system in the optical paths before the Brewster stereoscope. The slide supporting system includes two rotatable concentric drums. The mode change system includes a first mirror for folding the optical paths when the instrument is used for subjective testing at a distance and near vision testing.

49782126, Dec 18, 1990

Dec 21, 1989

7/458255

Edwin A. Hazard - Rochester NY

Amarel Precision Instruments, Inc. - Fairport NY

A61B 310

351212

A binocular opthalmometer has rotatable imaging optics which provide an image of a referencing element (mire) to a binocular viewing assembly. The viewing assembly is held stable (horizontal) by referencing it to a fixed support or stand in which the rotatable optics are journaled. The referencing mechanism is provided by a shaft mounted for rotation about an axis radially spaced from the axis of rotation of the imaging optics and which is rotatably coupled at one end to the stationary support and at the other end to the viewing assembly.

52531066, Oct 12, 1993

Mar 20, 1992

7/855986

Edwin A. Hazard - Rochester NY

Amarel Precision Instruments, Inc. - Fairport NY

G02B 2100
G02B 2118

359368

An oblique viewing system is attachable to a microscope to selectively obtain a perpendicular view (along the optical axis of the microscope) and oblique views of surfaces of objects under inspection. The attachment is connected to the microscope's objective end by a coupling on a housing containing the viewing system. The system includes a folding mirror and an oblique viewing mirror, spaced from the folding mirror and having its reflecting surface facing the object under inspection. A latching or a toggle mechanism, connected to a rotatable support for the folding mirror, enables that mirror to be set in either of two positions, one out of the way of the perpendicular path to provide a perpendicular view and the other to orient the reflecting surface thereof to face the reflecting surface of the oblique viewing mirror along an optical axis there between. The oblique viewing mirror is supported in a mechanism which enables rotation and translation thereof so as to maintain the optical path to the microscope approximately the same over a range of oblique viewing angles to the surface of the object under inspection. A lens movable along the optical axis between the mirrors adjusts the focus to accommodate different vertical heights of the surface under inspection.