Dong Y Lin

US Patent:

6813397, Nov 2, 2004

Filed:

Nov 21, 2001

Appl. No.:

09/992050

Inventors:

Dong Lin - Fremont CA 94539

International Classification:

G02B 628

US Classification:

385 11, 385 24, 385 36, 359495, 359496, 359497

Abstract:

A micro-optic polarization beam multiplexing system has collimating means for introducing a first pair of polarization-perpendicular input beams, collimating means for introducing a second pair of polarization-perpendicular input beams, a polarization beam combiner for combining the first pair and the second pair of input beams into a first combined light beam with wavelength and a second combined light beam with wavelength , and a filter for multiplexing the first combined light beam and the second combined light beam into an output beam with wavelengths and. The micro-optic system can also be used inversely for de-multiplexing an input beam with wavelength and wavelength into a first de-multiplexed light beam with wavelength and a de-multiplexed light beam with wavelength , and then splitting them into two pairs of polarization-perpendicular beams.

US Patent:

7219228, May 15, 2007

Filed:

Sep 29, 2003

Appl. No.:

10/674208

Inventors:

Dong Lin - Fort Lee NJ, US

Assignee:

Lucent Technologies Inc. - Murray Hill NJ

International Classification:

G06F 9/00

US Classification:

713160, 713161, 713165, 713166

Abstract:

A SYN packet bandwidth Distributed Denial-of-Service (DDoS) attack is defended against by intercepting and identifying SYN packets in a “DDoS gateway” advantageously positioned at the edge of the network to be protected (e. g. , one hop upstream from the protected link), and by queuing these intercepted SYN packets in a separate queue from other TCP packet queues. Edge per-flow queuing is employed to provide isolation among individual TCP connections sharing the link. A fair scheduling algorithm such as round robin scheduling is used to ensure that SYN packets (such as those generated as part of a SYN bandwidth attack) cannot overwhelm the egress link in the presence of other TCP packets.

US Patent:

7404210, Jul 22, 2008

Filed:

Sep 23, 2003

Appl. No.:

10/668952

Inventors:

Dong Lin - Fort Lee NJ, US

Assignee:

Lucent Technologies Inc. - Murray Hill NJ

International Classification:

G06F 11/00

US Classification:

726 22, 370392, 713188

Abstract:

A Distributed Denial-of-Service (DDoS) attack by a TCP stateless hog is defeated with use of an enhancement to the keep-alive mechanism provided by RFC 1122. A TCP server receives a new TCP connection request from a possible attacker and sends a keep-alive probe packet back thereto using an “invalid” sequence number. Illustratively, this “invalid” sequence number comprises a random number selected to be reasonably distant from the actual current sequence number. When a responsive packet is received from the potential attacker, the TCP server verifies the accuracy of the acknowledgement number in the received packet, thereby determining whether the potential attacker may be a TCP stateless hog.

US Patent:

58076786, Sep 15, 1998

Filed:

Mar 23, 1995

Appl. No.:

8/410540

Inventors:

Walter L. Miller - San Francisco CA
Dong Lin - San Francisco CA
Jerome F. Strauss - Wyndmoor PA

Assignee:

Regents of the University of California - Oakland CA

International Classification:

C12Q 168
C07H 2102
C07H 2104

US Classification:

435 6

Abstract:

Method for diagnosis of congenital lipoid adrenal hyperplasia and for the detection of the presence of a mutated gene for steroidogenesis acute regulatory protein (StAR) by analyzing nucleic acid obtained from a patient. The nucleic acid can be analyzed by restriction fragment length polymorphism analysis, nucleic acid hybridization, or nucleotide sequencing, among other techniques. A mutation may result in premature termination of the protein, or it may result in the StAR gene not being transcribed or translated, or it may result in a change in the amino acid sequence of the StAR gene product.

US Patent:

20220259222, Aug 18, 2022

Filed:

Jan 28, 2022

Appl. No.:

17/587555

Inventors:

- Summit NJ, US
John R. Coombs - New Brunswick NJ, US
Keming Zhu - New Brunswick NJ, US
Daniel Lim - Summit NJ, US
Candice Lee Joe - New Brunswick NJ, US
David T. George - New Brunswick NJ, US
Bin Zheng - Kendall Park NJ, US
Dong Lin - Monmouth Junction NJ, US

International Classification:

C07D 495/14
C07C 255/50
C07D 215/58
C07D 495/04

Abstract:

The present disclosure provides novel synthetic intermediates useful in the synthesis of MK2 kinase inhibitors.

US Patent:

20210133565, May 6, 2021

Filed:

Jun 16, 2020

Appl. No.:

16/902547

Inventors:

- Mountain View CA, US
Dong Lin - Mountain View CA, US
Sergey Ioffe - San Francisco CA, US

International Classification:

G06N 3/08
G06N 3/04
G06N 3/063

Abstract:

Aspects of the present disclosure are directed to novel activation functions which enable improved reproducibility and accuracy tradeoffs in neural networks. In particular, the present disclosure provides a family of activation functions that, on one hand, are smooth with continuous gradient and optionally monotonic but, on the other hand, also mimic the mathematical behavior of a Rectified Linear Unit (ReLU). As examples, the activation functions described herein include a smooth rectified linear unit function and also a leaky version of such function. In various implementations, the proposed functions can provide both a complete stop region and a constant positive gradient (e.g., that can be 1) pass region like a ReLU, thereby matching accuracy performance of a ReLU. Additional implementations include a leaky version and/or functions that feature different constant gradients in the pass region.