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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7671910 | Interpolator, method, and digital image signal processor for adaptive filtering of Bayer pattern color signal An interpolator and method for high image resolution by interpolation with adaptive filtering of Bayer pattern color signals, and a digital image signal processor implementing the same. The digital image signal processor can generate interpolation data close to actu... | 03/02/2010 |
| 7643351 | Erase voltage generator circuit for providing uniform erase execution time and nonvolatile memory device having the same An erase voltage generation circuit providing a uniform erase execution time and a non-volatile semiconductor memory device having the same, in which the erase voltage generation circuit includes a high voltage generation unit, a voltage level detection unit, an exe... | 01/05/2010 |
| 7636398 | Adaptive channel equalizer and method for equalizing channels therewith A channel equalizer obtains channel impulse responses (CIRs) for all subcarriers by way of filtering channel impulse responses of specific subcarriers using at least two filters. One of the two filters may be a low pass filter. At least one other of the at least two... | 12/22/2009 |
| 7636002 | Clock multiplier and method of multiplying a clock A clock multiplier for multiplying an input clock by N includes a phase/frequency detector, a clock selector, and a voltage-controlled delay line. The phase/frequency detector generates a first control signal and a second control signal according to a frequency/phas... | 12/22/2009 |
| 7635547 | Stencil mask having main and auxiliary strut and method of forming the same A stencil mask includes a membrane forming thin layer having membrane areas and a border area that limits the membrane areas. The membrane areas have a plurality of pattern areas which include an aperture through which particle beams can permeate and non-pattern are... | 12/22/2009 |
| 7633337 | Feedback-type variable gain amplifier and method of controlling the same A feedback-type variable gain amplifier including a first field effect transistor, a feedback circuit, and a load circuit. The first field effect transistor receives an input voltage signal through an input node, amplifies the input voltage signal, and outputs the a... | 12/15/2009 |
| 7626470 | Voltage-controlled oscillator for multi-band and RF communication apparatus having the same A voltage-controlled oscillator (VCO) for a multi-band receiver, and a radio-frequency (RF) communication apparatus having the same. The VCO includes at least two fine tune branches, that is, a main fine tune branch and an auxiliary fine tune branch. The main fine t... | 12/01/2009 |
| 7623175 | Solid state image sensing device for analog-averaging and sub-sampling of image signals at a variable sub-sampling rate and method of driving the same Provided are a CMOS image sensor (CIS) type image sensing device for averaging and sub-sampling analog image signals at a variable sub-sampling rate and a method of driving the same. The image sensing device includes: a two-dimensional active pixel sensor (APS) arra... | 11/24/2009 |
| 7622147 | Liquid crystal display having an insulating layer on a portion of the common electrode In a liquid crystal display apparatus, a lower substrate has a transmissive electrode formed in a transmissive area of a first substrate and a reflective electrode formed in a reflective area of the first substrate. An upper substrate has a second substrate, a first... | 11/24/2009 |
| 7617351 | Semiconductor memory device having RAM and ROM areas A semiconductor memory having two different memory areas in one chip includes a memory cell array including a first variable memory area controlled to be accessible in at least first and second operation modes, and a second variable memory area controlled to be inac... | 11/10/2009 |
| 7616183 | Source driving circuit of display device and source driving method thereof A source driving circuit includes a shift register, a data latch circuit, a D/A converter, and a sample-and-hold circuit. The shift register generates an n-bit first signal in response to a clock signal and an input/output control signal, wherein n is a positive int... | 11/10/2009 |
| 7612819 | CMOS image sensor and method of operating the same A complementary metal oxide semiconductor (CMOS) image sensor and a method for operating the same are provided. The CMOS image sensor includes a pixel array unit having a matrix of pixels, wherein each pixel comprises a charge transfer element for transferring charg... | 11/03/2009 |
| 7609342 | Liquid crystal display for enhancing reflection and method of manufacturing the same In an LCD for enhancing a reflection ratio, a second substrate faces the first substrate on which a pixel array is formed, a liquid crystal layer is interposed between the first and second substrates, an insulating layer on the first substrate includes first regions... | 10/27/2009 |
| 7609191 | Digital/analog converting driver and method A digital/analog converting driver and a digital/analog converting method, in which the digital/analog converting driver converts digital data having M+N (M and N are integers) bits into an analog voltage and includes a first converting unit, a second converting uni... | 10/27/2009 |
| 7608880 | Semiconductor memory device having a peripheral region including operating capacitors A semiconductor memory device comprises a cell region including a plurality of unit memory cells, and a peripheral circuit region, the peripheral circuit region including a plurality of peripheral circuit devices for operating the plurality of memory cells and at le... | 10/27/2009 |
| 7606099 | Semiconductor memory device controlling output voltage level of high voltage generator according to temperature variation A semiconductor memory device controlling an output voltage level of a high voltage generator in response to a variation of temperature has a high voltage generator that provides a high voltage higher than a power source voltage through an output terminal, generates... | 10/20/2009 |
| 7605884 | Liquid crystal display A TFT array panel on which both pixel electrodes and common electrodes are formed and a color filter panel is disposed opposing the array panel, and liquid crystals are interposed therebetween. The liquid crystals are aligned parallel to the two panels and driven by... | 10/20/2009 |
| 7604494 | Lamp socket, light supply assembly having the same and display device having the same A lamp socket that supports a lamp including a lamp body and one or more electrodes protruding from opposite end portions of the lamp body and that electrically connects an inverter circuit board driving the lamp and the lamp includes: a socket terminal having a fir... | 10/20/2009 |
| 7598787 | Signal generation apparatus, frequency converting apparatus, and receiver A signal generation apparatus, a frequency converting apparatus and a receiver, in which the signal generation apparatus includes an oscillator, a duty cycle adjusting circuit, and a signal generation circuit. The oscillator generates differential signals. The duty ... | 10/06/2009 |
| 7598481 | CMOS image sensor and method of driving the same A complementary metal-oxide semiconductor (CMOS) image sensor and a method of driving the CMOS image sensor that can reduce the number of devices required by each of a plurality of pixels and can stably drive the pixels, in which each of the pixels includes a photod... | 10/06/2009 |
| 7596735 | Pad unit having a test logic circuit and method of driving a system including the same Noise may cause malfunction and reduction of yield in semiconductor devices operating with a low supply voltage, and a logic test is generally performed for testing characteristics of input/output pads. In the logic test, High Level Input Voltage (VIH), Low Level In... | 09/29/2009 |
| 7596044 | Semiconductor memory device having sense amplifier operable as a semi-latch type and a full-latch type based on timing and data sensing method thereof A semiconductor memory device includes a memory cell array having memory cells arranged in rows and columns, a row decoder selecting one of the rows and activating the selected row, a bit-line sense amplifier detecting and amplifying data of the memory cells coupled... | 09/29/2009 |
| 7596043 | Delay locked loop circuit for a synchronous semiconductor memory device and a method of generating information about a load connected to a data pin of a synchronous semiconductor memory device A delay locked loop (DLL) circuit for a synchronous semiconductor memory device which can control a delay time of a feedback loop within the DLL circuit according to the magnitude of an external load, and a method of generating information about a load connected to ... | 09/29/2009 |
| 7595855 | Liquid crystal display and manufacturing method thereof A liquid crystal display includes a first substrate, a first electrode formed on the first substrate, a passivation layer formed between the first substrate and the first electrode, a second substrate facing the first substrate, a second electrode formed on the seco... | 09/29/2009 |
| 7595213 | Semiconductor devices, CMOS image sensors, and methods of manufacturing same A semiconductor device includes: a trench device isolating region formed in a substrate to define a photodiode active region; a channel stop impurity region formed in the substrate contacting the device isolating region, wherein the channel stop impurity region surr... | 09/29/2009 |
| 7592687 | Device and method for preventing an integrated circuit from malfunctioning due to surge voltage A device and method for preventing an integrated circuit from malfunctioning due to a surge voltage are provided. The device which is interposed between a node and a ground in the integrated circuit includes: a first material which is conductive; and a second materi... | 09/22/2009 |
| 7590022 | Electric fuse circuit providing margin read function An electric fuse circuit including a first nonvolatile memory cell connected to a first bit line, a second nonvolatile memory cell connected to a second bit line, a latch connected to the first and second bit lines, and a bias current circuit supplying one of the fi... | 09/15/2009 |
| 7589801 | Liquid crystal display and method of manufacturing thereof A display device includes a thin film transistor (TFT) substrate, a countering substrate facing the TFT substrate, a sealant, and a liquid crystal layer interposed between the TFT substrate and the countering substrate. The TFT substrate includes a substrate having ... | 09/15/2009 |
| 7588482 | Apparatus and method for manufacturing liquid crystal display device An apparatus for manufacturing a liquid crystal display (LCD) device includes a table receiving an LCD panel thereon, a first grinding part grinding a surface of the LCD panel to a first surface roughness, a second grinding part grinding the surface of the LCD panel... | 09/15/2009 |
| 7586373 | Fully differential class AB amplifier and amplifying method using single-ended, two-stage amplifier A fully differential amplifier includes a first single-ended current mirror type fully differential amplifier outputting a first output signal by two stage amplifying a difference between a first input signal and a second input signal and a second single-ended curre... | 09/08/2009 |
| 7583326 | Light guide plate and liquid crystal display having the same A liquid crystal display apparatus is disclosed. A first transparent electrode is disposed on an upper surface of the liquid crystal display panel for displaying an image. A second transparent electrode is disposed on a lower surface of a polarizer, and the second t... | 09/01/2009 |
| 7576559 | USB device and data processing system having the same A universal serial bus (USB) device is comprised of a receiver for receiving signals from a USB host through data lines, and a pull-up resistor circuit connecting pull-up resistors to data lines in response to control signals. The pull-up resistor circuit selectivel... | 08/18/2009 |
| 7575855 | Method of forming pattern Disclosed is a method of forming a pattern. A first organic polymer layer is formed on a substrate on which an underlying layer, and then a second organic polymer layer, which has an opening partially exposing the first organic polymer layer, is formed on the first ... | 08/18/2009 |
| 7574636 | Semiconductor memory device The present invention provides a semiconductor memory device comprising a memory cell array including a plurality of memory regions, an address decoding portion for decoding an address applied from an external portion for simultaneously selecting all of the pluralit... | 08/11/2009 |
| 7574188 | Apparatus and method for removing jammer signal in wireless communication receiver An apparatus and method for removing a jammer signal in a wireless communication receiver, in which a frequency converter down-converts a radio frequency (RF) signal including a desired and a jammer signal into a baseband signal. A first filter removes the desired s... | 08/11/2009 |
| 7573772 | Semiconductor memory device and self-refresh method therefor A semiconductor memory device and a self-refresh method in which the semiconductor memory device includes a plurality of input/output ports having respective independent operation, a period of self-refresh through one of the plurality of input/output ports being sub... | 08/11/2009 |
| 7573413 | Electronic circuit protecting against the effect of injection current and analog to digital conversion circuit An electronic circuit includes a transmission circuit transmitting an input signal of a first node as an output signal of a second node in response to a control signal and a discharge circuit selectively discharging the input signal of the first node in response to ... | 08/11/2009 |
| 7570529 | Sense amplifier circuit of semiconductor memory device and method of operating the same A sense amplifier circuit of a semiconductor memory device and a method of operating the same, in which the sense amplifier circuit includes a bit line sense amplifier connected with a bit line to sense and amplify a signal of the bit line, and a calibration circuit... | 08/04/2009 |
| 7567193 | Continuous time delta-sigma modulator and electronic circuit including the same An electronic circuit includes a digital-to-analog converter (DAC), and an active integrator. The DAC converts a digital output of the electronic circuit to an analog signal and feeds back the analog signal. The active integrator includes an operational amplifier ha... | 07/28/2009 |
| 7567092 | Liquid crystal display driver including test pattern generating circuit A liquid crystal display (LCD) driver including a normal mode circuit, a test pattern generating circuit, a selection circuit, and a timing controller. The normal mode circuit generates a normal mode signal related to a normal image data writing operation of an LCD.... | 07/28/2009 |
