Hui B Wu

US Patent:

7498883, Mar 3, 2009

Filed:

Oct 10, 2006

Appl. No.:

11/544937

Inventors:

Hui Wu - Pittsford NY, US
Yunliang Zhu - Rochester NY, US

Assignee:

University of Rochester - Rochester NY

International Classification:

H03F 3/60

US Classification:

330286, 330295

Abstract:

A distributed amplifier uses non-uniform filtering structures to provide better control over pass-band and stop-band characteristics. The various sections can have different tap coefficients. A notch filter can be implemented for interference suppression or pulse shaping in an ultra-wideband transceiver.

US Patent:

7545304, Jun 9, 2009

Filed:

Sep 4, 2007

Appl. No.:

11/896617

Inventors:

Hui Wu - Pittsford NY, US
Yunliang Zhu - Rochester NY, US
Jonathan D. Zuegel - Rochester NY, US
John R. Marciante - Webster NY, US

Assignee:

University of Rochester - Rochester NY

International Classification:

H03M 1/66

US Classification:

341144, 341147

Abstract:

A distributed arbitrary waveform generator (DAWG) synthesizes the target waveform using a series of narrow pulses generated by a number of pulse generators. To achieve this, it uses an input trigger signal to control all the pulse generators, each of which generates a narrow pulse (impulses) at a specific sample time, and then all the impulses are combined to generate the output waveform. The input trigger signal is distributed to each pulse generator by a trigger distribution network. Impulses generated by pulse generators can be tuned in both pulse amplitude and width, and the spacing between them can be tuned by the trigger distribution network. Therefore the waveforms generated are completely reconfigurable.

US Patent:

7557664, Jul 7, 2009

Filed:

Oct 31, 2006

Appl. No.:

11/590000

Inventors:

Hui Wu - Pittsford NY, US

Assignee:

University of Rochester - Rochester NY

International Classification:

H03B 19/12

US Classification:

331 51, 331117 R, 331167, 327115

Abstract:

An injection-locked frequency divider (ILFD) can go beyond simple frequency division by an even number. In one embodiment, another differential pair of transistors is added to convert the injection signal into differential currents, which are mixed in the original transistor pair such as that of the conventional ILFD shown above. In another, a double-balanced ILFD structure includes multiple ILFD's which are independently tunable to allow phase differences other than quadrature.

US Patent:

20050184813, Aug 25, 2005

Filed:

Oct 28, 2004

Appl. No.:

10/975230

Inventors:

Scott Kee - Tustin CA, US
Ichiro Aoki - Arcadia CA, US
Hui Wu - Rochester NY, US
Seyed-Ali Hajimiri - Pasadena CA, US
Frank Carr - Newport Coast CA, US
Rahul Magoon - Irvine CA, US
Alexandre Kral - Laguna Niguel CA, US
Afshin Mellati - Laguna Niguel CA, US
Florian Bohn - Tustin CA, US
Donald McClymont - Dana Point CA, US

International Classification:

H03L007/00

US Classification:

33103600L

Abstract:

An integrated power combiner is disclosed. The power combiner includes a first circular geometry primary winding having one or more inductive elements, such as an active winding with one or more driver stages. A circular geometry secondary winding is disposed adjacent to the first primary winding, such as an active winding with one or more driver stages. A second circular geometry primary winding is disposed adjacent to the secondary winding and has one or more inductive elements. One or more connections are provided between one or more of the inductive elements of the first circular geometry primary winding and one or more of the inductive elements of the second circular geometry primary winding.

US Patent:

20120045163, Feb 23, 2012

Filed:

Aug 19, 2011

Appl. No.:

13/213612

Inventors:

Hui Wu - Pittsford NY, US
Shang Wang - Rochester NY, US

Assignee:

UNIVERSITY OF ROCHESTER - Rochester NY

International Classification:

G02F 1/035

US Classification:

385 2

Abstract:

A new photonic integrated circuit in the form of an optical pulse-train generator utilizes a time-interleaved architecture. The circuit can generate multiple optical pulses sequentially from a single trigger pulse, with the timing and amplitude of each pulse determined by circuit design. The circuit has application in optical arbitrary waveform generation and ultrafast electro-optic modulation.

US Patent:

20220334451, Oct 20, 2022

Filed:

Oct 5, 2020

Appl. No.:

17/754358

Inventors:

- Rochester NY, US
Hui WU - Pittsford NY, US

International Classification:

G02F 1/295
G01S 7/481

Abstract:

Methods of manufacturing and operating a monolithically integrated optical phase array (OPA) chip device, and the device itself. A three-dimensional (3-D) integrated optical phase array (OPA) chip device. A system of complementary metal-oxide-semiconductor (CMOS) electronics integrated with a three-dimensional integrated optical array chip device. A method of three-dimension photonic integration to improve optical power in optical phase arrays.

US Patent:

20210382922, Dec 9, 2021

Filed:

Aug 19, 2021

Appl. No.:

17/406893

Inventors:

- Armonk NY, US
Hui Wu - White Plains NY, US
Rogerio Feris - Hartford CT, US

International Classification:

G06F 16/332
G06F 16/383
G06K 9/62
G06N 3/04
G06F 16/535
G06F 16/53

Abstract:

A method includes receiving input from a client at least partially specifying one or more characteristics, wherein the initial input includes a seed image and a natural language statement describing a desired change to the seed image; predicting one or more attributes of the seed image by operation of a neural network on the seed image; and parsing the natural language statement to identify desired changes to the one or more attributes of the seed image. The method also includes generating an interim target image by changing the one or more attributes of the seed image, according to the parsed natural language statement; selecting a set of images from an image database for output to the client, each of said set of images being determined to at least partially satisfy the one or more changed attributes of the seed image; and displaying the set of images to the client.

US Patent:

20210073252, Mar 11, 2021

Filed:

Oct 17, 2019

Appl. No.:

16/656468

Inventors:

- Armonk NY, US
Hui Wu - White Plains NY, US
Rogerio Feris - Hartford CT, US

International Classification:

G06F 16/332
G06F 16/383
G06N 3/04
G06K 9/62

Abstract:

A method includes: receiving initial input from a client at least partially specifying one or more characteristics sought by the client; selecting a set of images from an image database for output to the client; and determining after each set of images whether an end condition has occurred. The method also includes, until the end condition has occurred: responsive to each set of images output to the client, receiving additional input from the client further specifying the one or more characteristics sought by the client; and responsive to each input received from the client, selecting another set of images for presentation to the client, said set of images being determined to at least partially satisfy the one or more characteristics specified by all input received from the client, said determination being based at least in part on side information for respective images for at least the set of images.