Patents by Inventor Sun Chang
Sun Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20250348801Abstract: A system 100 comprising: a communication server 102; at least one user communication device 104 having an associated user and configured to initiate a booking which includes a booking pickup location; at least one driver communication device 106 having an associated driver vehicle and configured to provide driver vehicle location data; and communication network equipment 108 configured to establish communication with the communications server 102, the at least one user communication device 104, and the at least one driver communication device 106; wherein the communications server 102 comprises at least one processor(s) 116, at least one memory 118, the server 102 being configured, under control of one or more of the at least one processor(s) 116, to execute instructions stored in one or more of the at least one memory 118 to: cluster the proposed booking locations and driver vehicle locations into batches according to an estimated time of arrival between each vehicle and adjacent proposed bookings; cluster aType: ApplicationFiled: April 30, 2025Publication date: November 13, 2025Inventors: Nan ZHANG, Sun CHANG, Yibo JI, Shao-Heng TAI, Zijian TANG, Yik Shuen YOW
-
Publication number: 20220345784Abstract: A system for exchanging a number of local area messages includes a processor, system memory, a network interface card, and a non-transitory storage medium that are communicatively coupled. The non-transitory storage medium includes a first receiving subcomponent, a first sending subcomponent, a second receiving subcomponent, a second sending subcomponent, and a controlling subcomponent. The first receiving subcomponent receiving a first message from a first video device. The first sending subcomponent sends the first message to a second video device. The second receiving subcomponent receives a second message from the second video device. The second sending subcomponent sends the second message to the first video device. The controlling subcomponent controls the communication of the first message and the second message to monitor the identity of the user of the first video device and the second video device.Type: ApplicationFiled: July 5, 2022Publication date: October 27, 2022Applicant: Telegenic, Inc.Inventor: Sun Chang
-
Patent number: 11381876Abstract: An apparatus for managing network enabled devices including a processor, a number of network interfaces, communicatively connected to the processor and a non-transitory storage medium. The modules may include a broadcast content obtain module, an other media obtain module, a content aggregate module, an aggregated content send module, a command receive module, and an instruction send module. The apparatus may request that an overlay be displayed on a device so that a user may instruct an instruction send module to interact with an Internet of Things device.Type: GrantFiled: September 10, 2018Date of Patent: July 5, 2022Inventor: Sun Chang
-
Patent number: 10764639Abstract: A computer system including a processor, a system memory, a non-transitory storage medium having modules such as a broadcast obtain module, an other media obtain module, a content aggregate module, an aggregated content send module, a context determine module, a formulate overlay module, and an overlay send module. The system may have a Wi-Fi router. The context determine module may determine a function or access services. The context determine module may access a calendar item for a user. The formulate overlay module may overlay data based on a calendar item. The formulate overlay module may overlay data relevant to aggregated content. A social media access module accessing a number of relevant services and a notice module providing notice to a user may be included. The notice module may identify the notice by using a date, a time, and a location of the computer system.Type: GrantFiled: September 10, 2018Date of Patent: September 1, 2020Inventor: Sun Chang
-
Publication number: 20190082230Abstract: An apparatus for managing network enabled devices including a processor, a number of network interfaces, communicatively connected to the processor and a non-transitory storage medium. The modules include a broadcast content obtain module, an other media obtain module, a content aggregate module, an aggregated content send module, a command receive module, and an instruction send module. The broadcast content obtain module obtains broadcast television content. The other media obtain module obtains other media content over the network communication. The content aggregate module aggregates the broadcast television content and the other media content into aggregated content. The aggregated content send module sends the aggregated content over the network interface for presentation at a graphical user interface. The command receive module receives a command through the network interface.Type: ApplicationFiled: September 10, 2018Publication date: March 14, 2019Applicant: Telegenic, Inc.Inventor: Sun Chang
-
Publication number: 20190082222Abstract: An apparatus for providing customized viewing includes, a processor, system memory. The system memory includes a number of modules. The modules include a first receive module, a second receive module, a first link formulating module, a second link formulating module, a selection receive module, a content aggregate module, and an aggregate send module. The first receive module receiving a first media content from an antenna for over-the-air signals or other live broadcast signals. The second receive module receiving second media content using a network interface card. The first link formulating module formulating a first link for the first media content. The second link formulating module formulating formulate a second link for the second media content. The aggregate module aggregating the first link and the second link in a hybrid channel guide. The send module sending the hybrid channel guide to a device for presentation at a graphical user interface at the device.Type: ApplicationFiled: September 10, 2018Publication date: March 14, 2019Applicant: Telegenic, Inc.Inventor: Sun Chang
-
Publication number: 20190082213Abstract: A computer system including a processor, a system memory, a non-transitory storage medium having modules such as a broadcast obtain module, an other media obtain module, a content aggregate module, an aggregated content send module, a context determine module, a formulate overlay module, and an overlay send module. The system may have a Wi-Fi router. The context determine module may determine a function or access services. The context determine module may access a calendar item for a user. The formulate overlay module may overlay data based on a calendar item. The formulate overlay module may overlay data relevant to aggregated content. A social media access module accessing a number of relevant services and a notice module providing notice to a user may be included. The notice module may identify the notice by using a date, a time, and a location of the computer system.Type: ApplicationFiled: September 10, 2018Publication date: March 14, 2019Applicant: Telegenic, Inc.Inventor: Sun Chang
-
Publication number: 20070288954Abstract: An apparatus and method for providing video data of a video channel as a wallpaper during reception of broadcast data of an audio channel in a digital multimedia broadcasting (DMB) environment is disclosed. The method includes receiving a DMB signal from a predetermined broadcasting center, and outputting, during service of broadcast data of an audio channel in the received DMB signal, video data of one or more video channels as a wallpaper.Type: ApplicationFiled: March 8, 2007Publication date: December 13, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae Chung, Sun Chang
-
Publication number: 20070058241Abstract: An optical amplification apparatus having a function of flattening a channel output spectrum is provided.Type: ApplicationFiled: June 15, 2006Publication date: March 15, 2007Inventors: Sun Chang, Kwang Kim, Je Ko
-
Publication number: 20060126159Abstract: A parallel-structured Raman optical amplifier includes a very wide gain band for use in Coarse Wavelength Division Multiplexing (CWDM) scheme—based optical transmission. The parallel-structured Raman optical amplifier for amplifying an input optical signal of a plurality of channels having different center wavelengths received via a single optical path includes: a demultiplexer for dividing the input optical signal into a plurality of optical signals, each of which is composed of at least one channel signal having an adjacent center wavelength, and outputting the divided optical signals to different output terminals; a plurality of Raman amplifiers for performing Raman-optical amplification upon the divided optical signals received from the demultiplexer; and a multiplexer for receiving individual optical signals from the plurality of Raman amplifiers, and outputting the received optical signals via a single optical path.Type: ApplicationFiled: May 2, 2005Publication date: June 15, 2006Inventors: Hee Chung, Sun Chang, Won Lee, Kwang Kim
-
Publication number: 20060126160Abstract: A dispersion compensating fiber (DCF), which is an amplification medium of an S-band discrete Raman amplifier (RA), has a trapezoid core, an inner cladding surrounding the trapezoid core; and an outer cladding surrounding the inner cladding. A ring is disposed between the inner cladding and the outer cladding. The refractive index plotted across the diameter of the trapezoid core as a function of distance is substantially trapezoidal in shape. The difference in refractive index between the trapezoid core and the outer cladding is 1.2 to 1.6%; between the inner cladding and the outer cladding is 0.4 to 0.8%; and between the ring and the outer cladding is 0.2 to 0.6%. The thickness of the ring is 0.8 to 1.2 times the radius of the trapezoid core, and the thickness of the inner cladding is 1 to 3 times the radius of the trapezoid core.Type: ApplicationFiled: August 3, 2005Publication date: June 15, 2006Inventors: Won Lee, Sun Chang, Moo Chu
-
Publication number: 20060050368Abstract: Provided is a hybrid optical amplifier using a gain-clamped semiconductor optical amplifier enabling Raman amplification. The hybrid optical amplifier comprises a spool of optical fiber used as transmission line in the optical communication, a GCSOA amplifying optical signal input via the optical fiber and generating a self-oscillation laser beam for gain-clamping through the gain medium, and a backward pumping Raman optical amplifier inducing Raman amplification by emitting the self-oscillation laser beam generated by the GCSOA into the optical fiber. Therefore, the Raman amplification can be obtained with a relatively simple structure using the GCSOA.Type: ApplicationFiled: December 14, 2004Publication date: March 9, 2006Inventors: Hee Chung, Sun Chang, Kwangjoon Kim
-
Publication number: 20050249543Abstract: A loose-leaf binder has a back, a binder made of a flexible material and attached to the back and two end plugs mounted respectively in ends of the back. The back has two tracks, two side slots and a middle slot. The binder has multiple open rings having two ends. Each plug has two side tines and a middle tine. A notebook with the loose-leaf papers can be easily attached to or detached from the loose-leaf binder by attaching or detaching the open rings of the binder to punched holes in the notebook simultaneously.Type: ApplicationFiled: May 5, 2004Publication date: November 10, 2005Inventor: Sun Chang
-
Publication number: 20050224786Abstract: A microelectronic device includes a substrate, and a patterned feature located over the substrate and a plurality of doped regions, wherein the patterned feature includes at least one electrode. The microelectronic device includes at least one sill region for the enhancement of electron and/or hole mobility.Type: ApplicationFiled: April 6, 2004Publication date: October 13, 2005Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chuan Lin, Wen Lee, Sun Chang, Shien Wu
-
Publication number: 20050199635Abstract: A plate formed from a generally rectangular flat sheet of flexible material that can be configured to be bowed both longitudinally and laterally to form a concave food holding area and a generally flat container-carrying area with a container-holding hole which permits both food and a beverage to be securely held in one hand.Type: ApplicationFiled: March 10, 2004Publication date: September 15, 2005Inventor: Sun Chang
-
Publication number: 20050007656Abstract: The present invention provides an apparatus and method for compensating for the variation of a gain spectrum attributable to the temperature variation of a fiber amplifier, and a long-wavelength band dispersion-compensating hybrid amplifier equipped with the gain spectrum compensating apparatus. The apparatus includes a DCF located between a first amplification stage and a second amplification stage to compensate for dispersion of an optical signal output from the first amplification stage and perform Raman amplification of the optical signal using input pumping light; at least one pumping light provision means for providing forward or backward pumping light to the DCF; first and second temperature detection means for detecting temperature variations of the first and second amplification stages, respectively; and control means for controlling intensity of the pumping light of the pumping light provision means according to the detected temperature variations.Type: ApplicationFiled: December 4, 2003Publication date: January 13, 2005Inventors: Hee Chung, Won Lee, Sun Chang, Hyun Lee, Moo Chu, Han Lee, Dong Lee, Yong Lee