1
Chang Ho Lee, Kyu Hwan An, Ki Seok Yang, Jaejoon Chang, Wangmyong Woo, Younsuk Kim, Haksun Kim, Ockgoo Lee, Dong Ho Lee, Hyungwook Kim, Joy Laskar: Systems and methods for power amplifiers with voltage boosting multi-primary transformers. Samsung Electro-Mechanics, Georgia Tech Research Corporation, Sutherland Asbill & Brennan, February 1, 2011: US07880547 (86 worldwide citation)

Systems and methods may be provided for a power amplifier system. The systems and methods may include a plurality of power amplifiers, where each power amplifier includes at least one output port. The systems and methods may also include a plurality of primary windings each having a first number of ...


2
Yun Hee Shin, Han Gu Sohn, Young Min Lee, Ho Cheol Lee, Soo Young Kim, Dong Hyuk Lee, Chang Ho Lee: Multiprocessor system and method thereof. Samsung Electronics, Harness Dickey & Pierce, January 11, 2011: US07870326 (80 worldwide citation)

A multiprocessor system and method thereof are provided. The example multiprocessor system may include first and second processors, a dynamic random access memory having a memory cell array, the memory cell array including a first memory bank coupled to the first processor through a first port, seco ...


3
Dong Ho Lee, Ki Seok Yang, Chang Ho Lee, Haksun Kim, Joy Laskar: Compact multiple transformers. Samsung Electro-Mechanics, Georgia Tech Research Corporation, Sutherland Asbill & Brennan, October 12, 2010: US07812701 (50 worldwide citation)

Example embodiments of the invention may provide systems and methods for multiple transformers. The systems and methods may include a first transformer that may include a first primary winding and a first secondary winding, where the first primary winding may be inductively coupled to the first seco ...


4
Wangmyong Woo, Chang Ho Lee, Jaejoon Chang, Haksun Kim: Systems, methods, and apparatuses for linear polar transmitters. Samsung Electro Mechanics Company, Sutherland Asbill & Brennan, December 28, 2010: US07860466 (47 worldwide citation)

Systems and methods are disclosed for providing a linear polar transmitter. The systems and methods may include generating an input amplitude signal and an input phase signal, where the input amplitude signal and the input phase signal are orthogonal components of an input signal, and where the inpu ...


5
Chang Ho Lee: System for identifying visitors using CCTV camera and home computer. Samsung Electronics, Robert E Bushnell Esq, November 30, 1999: US05995139 (47 worldwide citation)

A system for identifying visitors using a closed-circuit television camera to generate image data by reading images of visitors and a microphone to convert the sound waves received from visitors into electric waves. A door-bell button has a call-bell function available for when a visitor calls and a ...


6
Seok Hwan Hwang, Seok Jong Lee, Young Kook Kim, Seung Gak Yang, Hee Yeon Kim, Chang Ho Lee: Phenylcarbazole compounds and organic electroluminescence devices using the same. Samsung SDI, Knobbe Martens Olson & Bear, October 7, 2008: US07431997 (32 worldwide citation)

A phenylcarbazole compound of formula (1) below is provided, where each of R1 and R2 is independently a monosubstituted or polysubstituted functional group selected from the group consisting of hydrogen atom, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C6-C30 ar ...


7
Wangmyong Woo, Chang Ho Lee, Jungsuk Lee, Haksun Kim: Systems, methods, and apparatuses for spectrum-sensing cognitive radios. Samsung Electro-Mechanics, Sutherland Asbill & Brennan, May 4, 2010: US07710919 (30 worldwide citation)

Systems, methods, and apparatuses are provided for spectrum-sensing cognitive radios that are operative to detect and utilize available RF spectrum resources. The spectrum-sensing cognitive radios include at least one antenna and a frequency-agile radio front-end module in communication with the at ...


8
Minsik Ahn, Chang Ho Lee, Changhyuk Cho, Jaejoon Chang, Wangmyong Woo, Haksun Kim, Joy Laskar: Systems, methods, and apparatuses for complementary metal oxide semiconductor (CMOS) antenna switches using body switching in multistacking structure. Samsung Electro-Mechanics, Georgia Tech Research Corporation, Sutherland Asbill & Brennan, February 15, 2011: US07890063 (26 worldwide citation)

Embodiments of the invention may provide for a CMOS antenna switch, which may be referred to as a CMOS SP4T switch. The CMOS antenna switch may operate at a plurality of frequencies, perhaps around 900 MHz and 1.9 GHz according to an embodiment of the invention. The CMOS antenna switch may include b ...


9
Jae Doo Lim, Chang Ho Lee: Method and apparatus for executing a scheduled operation after wake up from power off state. Samsung Electronics, Robert E Bushnell Esq, October 26, 1999: US05974552 (24 worldwide citation)

The present invention provides a digital computer system executing a scheduled operation and method thereof including: a main system having a central processing unit for processing an interrupt processing routine; a bus which transmits information to system elements by connecting the main system and ...


10
Chang ho Lee, Shung hyun Cho, Noh byung Park: Computer hibernation system for transmitting data and command words between host and controller. Samsung Electronics, Robert E Bushnell Esq, September 8, 1998: US05805910 (20 worldwide citation)

A computer system includes: a host unit, a power management system, a data backup power supply, a switching mode power supply, an auxiliary storage unit and a memory. The power management system generates a hibernation signal when an event is not generated from peripheral devices for a predetermined ...



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