Gsi Technology, Inc.

Secugen Corporation

Skhynix Inc.

Jae Hyeong Kim

Lee-Lean Shu

Jyn-Bang Shyu

Dong Won Lee

Jae Ho Kim

Ye Seon Lee

Yoshinori Sato

Young-Nam Oh

Soon Kyu Park

Patrick Chuang

Mu-Hsiang Huang

Amal Akbar

Winnie Ahn

Gyu Wan Kwon

A method of operating a clock frequency detected control-i/o buffer enable circuit in a semiconductor device uses control I/O buffer enable circuitry and/or features of saving power in standby mode. The method may provide low standby power consumption, such as providing low standby power consumption in high-speed synchronous SRAM and RLDRAM devices.

Systems and methods involving control-I/O buffer enable circuits and/or features of saving power in standby mode

A semiconductor device includes: a power-gated logic circuit suitable for operating in response to a first power gating enable signal which is deactivated in a standby mode and activated in an active mode; a transmission unit suitable for selectively transmitting an output signal of the power-gated logic circuit to an output terminal in response to a third power gating enable signal; a clocked latch unit suitable for latching a signal of the output terminal in the standby mode and an initial stage of the active mode in response to a second power gating enable signal; and an internal circuit suitable for operating based on the signal of the output terminal, wherein the first to third power gating enable signals are sequentially activated.

Semiconductor device with power gating scheme

Method and apparatus are provided for detecting hovering commands by a device with a display. In one embodiment, a method for detecting hovering commands by a device with a display comprises detecting a sequence of shadows from a hovering object by one or more light sensors of the device, where the sequence of shadows causes changes in light conditions on the display of the device, determining a leakage current corresponding to changes of light conditions by a controller of the device, determining an action performed by a user based on the changes of light conditions on the display by the controller of the device, determining a hovering command based on the action performed by the controller of the device, and executing the hovering command by the controller of the device.

Apparatus and method for detecting hovering commands

A method of operating a clock frequency detected control I/O buffer enable circuitry and/or features of saving power. In illustrative implementations, the method may be directed to providing low standby power consumption, such as providing low standby power consumption in high-speed synchronous SRAM and RLDRAM devices.

Methods and apparatuses are provided for a multi-mode display. In one embodiment, a multi-mode display comprises an array of light sensing and emitting units (LSEUs), a decoder configured to generate addresses for accessing one or more LSEUs in the array of LSEUs, and a controller configured to control the array of LSEUs using the addresses, where each LSEU in the array of LSEUs comprises a light sensing and emitting component (LSEC), an emitting circuit configured to generate light using the LSEC, and a sensing circuit configured to detect light using the LSEC.

Multi-mode display

Methods and apparatuses are provided for user authentication using a device with a touch screen display. In one embodiment, a method of user authentication using a device with a touch screen display includes providing a user defined area to unlock the device, detecting a leakage current corresponding to changes of light conditions on the user defined area by one or more light sensors of the touch screen display, capturing one or more fingerprints or a palm print of the user based on the changes of light conditions in the user defined area by the one or more light sensors of the touch screen display, authenticating the one or more fingerprints or the palm print of the user, and providing access to the device in response to a positive authentication of the one or more fingerprints or the palm print of the user.

Methods and apparatuses for user authentication

Systems and methods of data inversion, circuitry, detection and/or schemes are disclosed. According to illustrative implementations, exemplary circuitry may include static detection or detection circuitry such as those involving static current sources to detect a threshold for data inversion, pre-conditioning of detection circuitry, and/or active detection circuitry or schemes. In some implementations, exemplary memory or data inversion circuitry may comprise a transistor array, a bias generator, and a sense amplifier, wherein the transistor array may comprise at least one pair of transistor circuits arranged so that an output of the transistor array is provided as a sum or function of signal/current outputs of at least some of the transistor circuits in the array. As set forth, various systems, methods and circuitry herein may posses only a 3 static gate delay, such that very high speed and/or fast flow-through is achieved.

Systems and methods involving data inversion devices, circuitry, schemes and/or related aspects

Methods and systems are provided for a multi-level command sensing apparatus that includes a matrix of light sensors and light sources and that may also serve as the display. In one embodiment, a method for performing multi-level command sensing by a multi-level command sensing apparatus comprises detecting a leakage current corresponding to changes of light conditions on a display by one or more light sensors of the multi-level command sensing apparatus, determining an action performed by a user based on the changes of light conditions on the display by a controller of the multi-level command sensing apparatus, determining a command based on the action performed by the controller of the multi-level command sensing apparatus, and executing the command by the controller of the multi-level command sensing apparatus.

Multi-level command sensing apparatus

Systems and methods associated with control of clock signals are disclosed. In one exemplary implementation, there is provided a delay-lock-loop (DLL) and/or a delay/phase detection circuit. Moreover, such circuit may comprise digital phase detection circuitry, digital delay control circuitry, analog phase detection circuitry, and analog delay control circuitry. Implementations may include configurations that prevent transition back to the unlocked state due to jitter or noise.

Systems and methods involving phase detection with adaptive locking/detection features

Methods and Apparatuses are provided for a thin high contrast optical acquisition system for fingerprint recognition. In one embodiment, a method of capturing images of a fingerprint may include emitting light from a set of light sources to generate a scattered light from the fingerprint, determining a set of sensor arrays located between an inner boundary and an outer boundary from the set of light sources based on thickness and refractive index of one or more panels between the set of light sources and the fingerprint, activating the set of sensor arrays to capture the scattered light from the fingerprint, and processing the scattered light captured by the set of sensor arrays in parallel to generate a topography of the fingerprint.

Fingerprint sensing and calibration apparatus

Implementations herein involve control I/O buffer enable circuitry and/or features of saving power in standby mode. In illustrative embodiments, aspects of the present innovations may be directed to providing low standby power consumption, such as providing low standby power consumption in high-speed synchronous SRAM and RLDRAM devices.

The present disclosure relates to systems and methods of noise reduction and/or power saving. According to one or more illustrative implementations, for example, innovations consistent with delay lines in clock/timing circuits such as Delay-Lock-Loop (DLL) and/or Duty Cycle Correction (DCC) circuits are disclosed.

Growing community of inventors

San Ramon, CA, United States of America

Jae Hyeong Kim