Hsu, Saratoga
Anthony Hsu, Saratoga, CA US
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20150267898 | LED-BASED PERSONAL AND OTHER LIGHTING DEVICES AND SYSTEMS - Lighting systems, devices and techniques are provided to construct solid-state lighting devices and systems that provide energy-efficient illumination, including personal lighting devices, desktop lighting devices, and ceiling/overhead lighting devices based on semiconductor-based solid-state light sources such as LEDs or laser diodes. The disclosed solid-state lighting devices and systems use an illumination plate to receive the generated light from one or more LEDs or laser diodes and to process the received light to exhibit desired spatial distribution of light power across the illumination plate and desired direction of the out put light from the illumination plate. | 09-24-2015 |
Fu-Chieh Hsu, Saratoga, CA US
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20080209303 | Error Detection/Correction Method - A method for error detection and correction (EDC) includes: generating a complete EDC code in response to a data packet; distributing the complete EDC code among the data packet to create a plurality of bytes, each including a data portion from the data packet and an EDC code portion from the complete EDC code; storing the bytes in a memory module; retrieving the bytes from the memory module; forwarding the data portions of the bytes retrieved from the memory module to a requesting device; providing the data portions of the bytes retrieved from the memory module to an EDC functional block; providing the EDC code portions of the bytes retrieved from the memory module to the EDC functional block; and performing error checking and correction in the EDC functional block upon receiving the complete EDC code from the provided EDC code portions. | 08-28-2008 |
James Juen Hsu, Saratoga, CA US
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20140158963 | EMBEDDED NON-VOLATILE MEMORY - The present invention is a method of incorporating a non-volatile memory into a CMOS process that requires four or fewer masks and limited additional processing steps. The present invention is an epi-silicon or poly-silicon process sequence that is introduced into a standard CMOS process (i) after the MOS transistors' gate oxide is formed and the gate poly-silicon is deposited (thereby protecting the delicate surface areas of the MOS transistors) and (ii) before the salicided contacts to those MOS transistors are formed (thereby performing any newly introduced steps having an elevated temperature, such as any epi-silicon or poly-silicon deposition for the formation of diodes, prior to the formation of that salicide). A 4F | 06-12-2014 |
20140335669 | EMBEDDED NON-VOLATILE MEMORY - The present invention is a method of incorporating a non-volatile memory into a CMOS process that requires four or fewer masks and limited additional processing steps. The present invention is an epi-silicon or poly-silicon process sequence that is introduced into a standard CMOS process (i) after the MOS transistors' gate oxide is formed and the gate poly-silicon is deposited (thereby protecting the delicate surface areas of the MOS transistors) and (ii) before the salicided contacts to those MOS transistors are formed (thereby performing any newly introduced steps having an elevated temperature, such as any epi-silicon or poly-silicon deposition for the formation of diodes, prior to the formation of that salicide). A 4F | 11-13-2014 |
Julan Hsu, Saratoga, CA US
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20100265924 | SYSTEM AND METHOD FOR ADAPTIVE BEAMFORMING TRAINING USING FIXED TIME WINDOW FOR HETEROGENEOUS ANTENNA SYSTEMS - A system and method for performing a beamforming training between heterogeneous wireless devices in a wireless network is disclosed. A number of time slots in a fixed-time period are assigned for transmit and/or receive sector training. The number of time slots assigned for transmit and/or receive sector training is based on an antenna configuration of a wireless station. | 10-21-2010 |
20100315954 | SYSTEM AND METHOD FOR WIRELESS MULTI-BAND NETWORKS ASSOCIATION AND MAINTENANCE - A system and method for wireless communication over multi-rate channels are disclosed. One embodiment of the system includes a first multi-band wireless station that is capable of using a first frequency band and a second frequency band for wireless communication; and a second multi-band wireless station that is capable of using the first frequency band and the second frequency band for wireless communication. One or more of the first and second stations is configured to monitor a status of the second frequency band. The status includes the availability of the second frequency band for communication between the first and second stations. The first and second stations can share the monitored status with each other via the first frequency band. | 12-16-2010 |
20110069650 | SYSTEM AND METHOD FOR POWER SAVING BY COORDINATED WAKE-UP IN A WIRELESS MULTI-BAND NETWORK - A system and method for wireless communication over multi-rate channels are disclosed. One embodiment of the system operates on wake-up schedules for power saving. The system includes a first multi-band wireless station that is capable of using a first frequency band and a second frequency band for wireless communication; and a second multi-band wireless station that is capable of using the first frequency band and the second frequency band for wireless communication. One or more of the first and second stations is configured to maintain therein one or more wake-up schedules on the second frequency band of one or more of the first station, the second station, and an access point. The first and second stations are configured to share the one or more wake-up schedules with each other via the first frequency band. The system allows the stations to effectively associate with each other, thereby saving power. | 03-24-2011 |
Ju-Lan Hsu, Saratoga, CA US
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20100226343 | METHOD AND SYSTEM FOR SHARED COMMUNICATION MEDIUM IN WIRELESS COMMUNICATION SYSTEMS - Performing distributed contention-free communication channel reservation for wireless communication, is disclosed. One implementation involves providing access to a shared communication channel in a wireless network including multiple wireless stations, by performing distributed channel time reservation for contention-free access to a shared wireless channel by each wireless station, based on a prior successful contention by the wireless station for access to the channel in a wireless network. | 09-09-2010 |
20100265392 | METHOD AND SYSTEM FOR PROGRESSIVE RATE ADAPTATION FOR UNCOMPRESSED VIDEO COMMUNICATION IN WIRELESS SYSTEMS - Uncompressed video information is transmitted over a wireless communication medium from a wireless sender device to a wireless receiver device. Progressive transmission data rate adaptation is performed on original uncompressed video pixel information. The progressive transmission data rate adaptation is performed on selected pixel information to obtain a rate-reduced pixel information. The rate-reduced pixel information requires a lower transmission data rate than the original frame. The rate-reduced pixel information is transmitted over the wireless communication medium to the wireless receiver device. At the receiver, a reverse operation is performed to recover the original uncompressed video pixel information. | 10-21-2010 |
20110069636 | METHOD AND SYSTEM FOR AD-HOC COMMUNICATIONS OVER MILLIMETER WAVE WIRELESS CHANNELS IN WIRELESS SYSTEMS - A method and system for wireless data communication for peer wireless stations in a network is provided. A pair of peer wireless stations perform discovery on a predefined wireless communication channel to discover each other. Upon peer wireless stations successfully discovering one another, a wireless communication channel is selected to setup a connection between the peer wireless stations for data communication on the selected wireless communication channel. The peer wireless stations then perform connection setup and data communication over the selected wireless channel. In one implementation, the network comprises a wireless local area network (WLAN) for ad-hoc Independent Basic Service Set (IBSS) peer-to-peer communication. Further, the peer wireless stations conduct millimeter wave (mmWave) directional data transmissions between the peer wireless stations on the selected wireless data communication channel. | 03-24-2011 |
20110069647 | METHOD AND SYSTEM FOR WIRELESS COMMUNICATION OF AUDIO IN WIRELESS NETWORKS - A method and system for audio transmission in a wireless communication system which transmits digital video and digital audio in High-Definition Multimedia Interface (HDMI) format. Position information of audio packets within the HDMI frame is obtained. Digital audio information including the position information is transmitted from a data source device to a data sink device via a wireless communication medium. At the data sink device, an HDMI frame is reconstructed by inserting received audio packets into horizontal and vertical blanking periods of the HDMI frame. | 03-24-2011 |
20110070928 | METHOD AND SYSTEM FOR ANNOUNCEMENT TIME OF IDLE TIMEOUT FOR POWER SAVING OPERATIONS IN WIRELESS NETWORKS - A method and system for wireless communication over a wireless communication medium is provided. A schedule is generated which indicates when a wireless communication station may enter a power saving state in an announcement time (AT) period, based on an idle timeout interval in the AT period. The AT period comprises a period after a beacon transmission in a beacon interval. | 03-24-2011 |
20110096681 | METHOD AND SYSTEM FOR DIGITAL CONTENT PROTECTION LOCALITY CHECK WITH ADAPTIVE TIMELINE IN WIRELESS COMMUNICATION SYSTEMS - A method and system for data communication in a wireless network is provided. A wireless transmitter transmits a locality check message from a wireless transmitter to a wireless receiver over a wireless communication medium. Upon receiving a locality check response message from the wireless receiver, the wireless transmitter marks the locality check response message as valid even if it arrives after an original locality check time period since transmission of the locality check message, but before the end of an adjusted locality check time period. The adjusted locality check time period comprises said original locality check time period adjusted by delays in processing layers at the transmitter and wireless communication medium access delays in data communication between the wireless transmitter and the wireless receiver. | 04-28-2011 |
20110116458 | METHOD AND SYSTEM FOR SELECTIVE SCALABLE CHANNEL-BASED STATION ENABLEMENT AND DE-ENABLEMENT IN TELEVISION BAND WHITE SPACES - A method and system for wireless communication in a TV band white space spectrum is provided. A wireless master device keeps track of available wireless communication channels in a white space spectrum. The master device performs an enablement process for enabling a corresponding client device to transmit on a wireless channel. During the enablement process, the master device allows the client device to select a wireless channel for communication from among: a specific operating wireless channel, a subset of the available wireless channels, and all available wireless channels. | 05-19-2011 |
20110310253 | METHOD AND SYSTEM FOR SELF-ENABLING PORTABLE TELEVISION BAND DEVICES - Embodiments of the invention provide a method and system for determining wireless channel interference in a television (TV) band white space spectrum. Upon sensing a signal on a wireless channel from a wireless white space device that transmits a unique device identifier, interference by the wireless white space device on the wireless channel is determined. A report of the channel interference by the wireless white space device is generated and may be utilized to cease the interference. | 12-22-2011 |
Nai-Ting Hsu, Saratoga, CA US
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20080201486 | Dynamic system and method for virtual private network (VPN) packet level routing using dual-NAT method - A system and method for virtual private network (VPN) packet level routing using a Dual-NAT architecture to provide a bidirectional secure connection between applications, hosts, or networks at any two end sites without exposing each other's actual IP addresses and network topologies. The method includes providing a client a list of available resources on a remote network; initiating a request by the client for at least one resource from the list of available remote resources as though the at least one resource is local to the client; NATting the source and destination IP addresses to a pair of client and resource Dynamic VPN (DVPN) addresses; routing the request to the remote network; NATting the client and resource DVPN addresses to local IP addresses on the remote network; issuing the request to the at least resource; and NATting/routing the response using the reverse process. | 08-21-2008 |
Pu-Chau Hsu, Saratoga, CA US
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20080201486 | Dynamic system and method for virtual private network (VPN) packet level routing using dual-NAT method - A system and method for virtual private network (VPN) packet level routing using a Dual-NAT architecture to provide a bidirectional secure connection between applications, hosts, or networks at any two end sites without exposing each other's actual IP addresses and network topologies. The method includes providing a client a list of available resources on a remote network; initiating a request by the client for at least one resource from the list of available remote resources as though the at least one resource is local to the client; NATting the source and destination IP addresses to a pair of client and resource Dynamic VPN (DVPN) addresses; routing the request to the remote network; NATting the client and resource DVPN addresses to local IP addresses on the remote network; issuing the request to the at least resource; and NATting/routing the response using the reverse process. | 08-21-2008 |
Wen Hsu, Saratoga, CA US
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20090179990 | Stand-alone video camera - The present invention discloses a novel combination for low cost, stand alone video cameras with surveillance features. In the embodiments, the camera body can be manufactured utilizing inexpensive materials such as press molded plastic, the view finder can be a simple through-hole without a lens, simple indicator lights and buttons can be utilized for programming and status functions, and a removable memory card can be used as primary storage. The video camera can operate on one or more batteries or external power. The video camera can be embedded with surveillance functions offering a variety of programming modes for operating as a security camera. By providing only essential features and features that can be manufactured at low cost, the overall cost of the resulting camera can be kept very low. | 07-16-2009 |
Yungping Hsu, Saratoga, CA US
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20100202359 | RADAR DETECTION AND DYNAMIC FREQUENCY SELECTION - A wireless network device includes a correlation module, an automatic gain control module, and a control module. The correlation module correlates a predetermined portion of a radio frequency (RF) signal and generates a correlation signal based thereon. The automatic gain control (AGC) module generates a gain control signal based on said RF signal. The control module selectively determines whether said RF signal is a radar signal based on said correlation signal and said gain control signal. | 08-12-2010 |
20120057492 | Opportunistic 40 MHz Mode of Transmission in Wireless Transmitters - A system includes a signal processing module and a control module. The signal processing module receives a first clear channel assessment (CCA) signal for a first sub-channel of a communication channel, increases a pulse width of the first CCA signal by a predetermined period of time, and generates a second CCA signal. The control module receives the second CCA signal and a third CCA signal for a second sub-channel of the communication channel. The control module transmits data via one of the second sub-channel and the communication channel based on the second and third CCA signals. | 03-08-2012 |
20130242928 | OPPORTUNISTIC 40 MHZ MODE OF TRANSMISSION IN WIRELESS TRANSMITTERS - A system including a physical layer module and a control module. The physical layer module is configured to generate a first clear channel assessment for a first sub-channel of a communication channel and generate a second clear channel assessment for a second sub-channel of the communication channel. The first clear channel assessment indicates whether the first sub-channel is free or busy. The second clear channel assessment indicates whether the second sub-channel is free or busy. The control module is configured to, in response to the second sub-channel being busy, extend a duration of the second clear channel assessment by a predetermined period of time, and transmit data via (i) only the first sub-channel or (ii) both the first sub-channel and the second sub-channel based on (a) the first clear channel assessment, (b) the second clear channel assessment, and (c) the extended duration of the first clear channel assessment. | 09-19-2013 |