Richard J Muller

US Patent:

6480333, Nov 12, 2002

Filed:

Nov 18, 1998

Appl. No.:

09/196612

Inventors:

Paul D. Maker - Arcadia CA
Richard E. Muller - Altadena CA
Daniel W. Wilson - Glendale CA

Assignee:

California Institute of Technology - Pasadena CA

International Classification:

G02B 518

US Classification:

359570, 359569, 359571, 359574

Abstract:

The present disclosure describes a technique for creating diffraction gratings on curved surfaces with electron beam lithography. The curved surface can act as an optical element to produce flat and aberration-free images in imaging spectrometers. In addition, the fabrication technique can modify the power structure of the grating orders so that there is more energy in the first order than for a typical grating. The inventors noticed that by using electron-beam lithography techniques, a variety of convex gratings that are well-suited to the requirements of imaging spectrometers can be manufactured.

US Patent:

6522403, Feb 18, 2003

Filed:

Dec 4, 2000

Appl. No.:

09/734242

Inventors:

Daniel W. Wilson - Glendale CA
Paul D. Maker - Arcadia CA
Richard E. Muller - Altadena CA
Pantazis Z. Mouroulis - Glendora CA

Assignee:

The United States of America as represented by the Administrator of the National Aeronautics and Space Administration - Washington DC

International Classification:

G01J 318

US Classification:

356328, 359571, 359572

Abstract:

The optical system of this invention is an unique type of imaging spectrometer, i. e. an instrument that can determine the spectra of all points in a two-dimensional scene. The general type of imaging spectrometer under which this invention falls has been termed a computed-tomography imaging spectrometer (CTIS). CTISs have the ability to perform spectral imaging of scenes containing rapidly moving objects or evolving features, hereafter referred to as transient scenes. This invention, a reflective CTIS with an unique two-dimensional reflective grating, can operate in any wavelength band from the ultraviolet through long-wave infrared. Although this spectrometer is especially useful for rapidly occurring events it is also useful for investigation of some slow moving phenomena as in the life sciences.

US Patent:

6639139, Oct 28, 2003

Filed:

Sep 13, 2002

Appl. No.:

10/243514

Inventors:

Richard Muller - Redondo Beach CA 90277

International Classification:

G09B 1500

US Classification:

844831

Abstract:

A visually enhanced teaching text comprises a series of words to be sung, the series of words having a plurality of tropes each having a predetermined tune. The text also includes symbols in the text indicative of the start and end of a trope, with at least some of the tropes being associated with a particular distinctive color so that each trope in the series of words is clearly distinguishable from surrounding tropes therein. The invention is also for a singing teaching method using color coded backgrounds.

US Patent:

6717172, Apr 6, 2004

Filed:

Dec 18, 2001

Appl. No.:

10/025218

Inventors:

Morteza Gharib - San Marino CA
Daniel W. Wilson - Glendale CA
Siamak Forouhar - Carlsbad CA
Richard E. Muller - Altadena CA
Dominique Fourguette - Pasadena CA
Darius Modarress - Pasadena CA
Frederic Taugwalder - Pasadena CA

Assignee:

California Institute of Technology - Pasadena CA

International Classification:

G01N 2149

US Classification:

250574, 356 28, 356441, 73861

Abstract:

A diffractive optic sheer stress sensor operates by forming diverging fringes over a linear area of measurement. A diode laser focuses light onto a diffractive lens which focuses the light to respective slits. The slits form diverging fringes, and scattered light from the fringes is collected by a window and focused by another diffractive lens to a receiver.

US Patent:

6777510, Aug 17, 2004

Filed:

Sep 12, 2001

Appl. No.:

09/954518

Inventors:

Dean M. Philipp - Pasadena CA
Richard P. Muller - Pasadena CA

Assignee:

California Institute of Technology - Pasadena CA

International Classification:

C08F 470

US Classification:

526172, 526161, 5261691, 5263297, 526344, 526341, 502150, 502155, 502162, 502167, 502213, 556 32

Abstract:

Rational combinatorial computational methods use accurate quantum mechanical and molecular modeling techniques to identify optimum polymerization catalysts for polar olefins. Using mechanistic information to model the polymerization reaction, the methods systematically vary components of a catalyst template to calculate a potential energy surface for a number of catalyst candidates. The potential energy surfaces are compared to identify a catalyst for the catalytic polymerization reaction. Internal Lewis acid single site polar olefin polymerization catalyst compositions and compounds for polymerizing polar olefins are also described.

US Patent:

20020096037, Jul 25, 2002

Filed:

Jan 25, 2001

Appl. No.:

09/769862

Inventors:

Richard Muller - Redondo Beach CA, US

International Classification:

G09B015/00

US Classification:

084/483100

Abstract:

A visually enhanced teaching text comprises a series of words to be sung, the series of words having a plurality of tropes each having a predetermined tune. The text also includes symbols in the text indicative of the start and end of a trope, with at least some of the tropes being associated with a particular distinctive color so that each trope in the series of words is clearly distinguishable from surrounding tropes therein. The invention is also for a singing teaching method using color coded backgrounds.

US Patent:

20060050391, Mar 9, 2006

Filed:

Aug 4, 2005

Appl. No.:

11/198869

Inventors:

Johan Backlund - Gothenburg, SE
Daniel Wilson - Montrose CA, US
Pantazis Mouroulis - Glendora CA, US
Paul Maker - San Marcos CA, US
Richard Muller - Altadena CA, US

International Classification:

G02B 5/18

US Classification:

359573000, 359569000

Abstract:

A method for fabricating an optical diffraction element or grating, where the spectral response of phase gratings is substantially optimized by introducing structure into the grating groove profile. Spectral range of the grating is extended when compared to conventional blazed gratings.

US Patent:

54364523, Jul 25, 1995

Filed:

Jun 21, 1993

Appl. No.:

8/079507

Inventors:

Thomas W. Kenny - Glendale CA
William J. Kaiser - West Covina CA
Judith A. Podosek - Arcadia CA
Erika C. Vote - Pasadena CA
Richard E. Muller - Sunland CA
Paul D. Maker - Arcadia CA

Assignee:

California Institute of Technology - Pasadena CA

International Classification:

G01J 500
H01J 3700

US Classification:

2503381

Abstract:

An uncooled infrared tunneling sensor in which the only moving part is a diaphragm which is deflected into contact with a micromachined silicon tip electrode prepared by a novel lithographic process. Similarly prepared deflection electrodes employ electrostatic force to control the deflection of a silicon nitride, flat diaphragm membrane. The diaphragm exhibits a high resonant frequency which reduces the sensor's sensitivity to vibration. A high bandwidth feedback circuit controls the tunneling current by adjusting the deflection voltage to maintain a constant deflection of the membrane. The resulting infrared sensor can be miniaturized to pixel dimensions smaller than 100. mu. m. An alternative embodiment is implemented using a corrugated membrane to permit large deflection without complicated clamping and high deflection voltages. The alternative embodiment also employs a pinhole aperture in a membrane to accommodate environmental temperature variation and a sealed chamber to eliminate environmental contamination of the tunneling electrodes and undesireable accoustic coupling to the sensor.