Ralph E. Aldrich

Person

Acton, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Laser mirror having a cooled, deformable surface
- Patent number 4,674,848
- Issue date Jun 23, 1987
- Itek Corporation
- Ralph E. Aldrich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cooled deformable mirror
- Patent number 4,657,358
- Issue date Apr 14, 1987
- Itek Corporation
- Frank M. Anthony
- G02 - OPTICS
Information Patent Grant
Tip-tilt mirror actuation system having simplified driver circuitry
- Patent number 4,588,268
- Issue date May 13, 1986
- Itek Corporation
- Ralph E. Aldrich
- G02 - OPTICS
Information Patent Grant
Method of fabricating long period optical grating
- Patent number 4,555,162
- Issue date Nov 26, 1985
- Itek Corporation
- Ralph E. Aldrich
- G02 - OPTICS
Information Patent Grant
Tip-tilt mirror actuation system employing a single control voltage
- Patent number 4,533,219
- Issue date Aug 6, 1985
- Itek Corporation
- Ralph E. Aldrich
- G02 - OPTICS
Information Patent Grant
Multiple layer piezoelectric wavefront modulator
- Patent number 4,257,686
- Issue date Mar 24, 1981
- Itek Corporation
- Nedo P. Albertinetti
- G02 - OPTICS
Information Patent Grant
Piezoelectric wavefront modulator
- Patent number 4,248,504
- Issue date Feb 3, 1981
- Itek Corporation
- Nedo P. Albertinetti
- G02 - OPTICS
Information Patent Grant
Apparatus for maintaining image digitization in parallel optical di...
- Patent number 3,935,441
- Issue date Jan 27, 1976
- Itek Corporation
- Ralph E. Aldrich
- G02 - OPTICS

Ralph E. Aldrich

Person

Patents Grantslast 30 patents

Laser mirror having a cooled, deformable surface

Cooled deformable mirror

Tip-tilt mirror actuation system having simplified driver circuitry

Method of fabricating long period optical grating

Tip-tilt mirror actuation system employing a single control voltage

Multiple layer piezoelectric wavefront modulator

Piezoelectric wavefront modulator

Apparatus for maintaining image digitization in parallel optical di...