William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8183884 | Output driving device in semiconductor device An output driving device prevents an inflow of external current through an output terminal even when there is no power supply. The output driving device includes an output circuit that maintains an output terminal at a low impedance state by receiving a supply of po... | 05/22/2012 |
| 8159269 | Multi-function input terminal of integrated circuits A single terminal is used to configure an integrated circuit into one of three states. A circuit within the integrated circuit is coupled to the terminal and determines whether the terminal: 1) is coupled by a low impedance to a voltage source, or 2) is coupled by a... | 04/17/2012 |
| 8143918 | Apparatus for driving a display device, display device including the same, and method thereof An apparatus for driving a display device includes a plurality of stage connected to each other, wherein each stage includes first to seventh transistors and first and second capacitors, the seventh transistor is connected to one terminal of the first capacitor, and... | 03/27/2012 |
| 8138793 | Integrated circuit and method for operating the same An integrated circuit includes a CML swing reference voltage generating unit, a CML bias control voltage generating unit and a CML buffering unit. The CML swing reference voltage generating unit determines a level of a CML swing reference voltage in response to a fr... | 03/20/2012 |
| 8098083 | Apparatus and method for controlling delay stage of off-chip driver A multiple-finger off-chip driver (OCD) uses delay between branches of the output stage. The delay between branches is controlled using bias circuitry which compensates for process, temperature, and voltage (PVT) variations, resulting in less variation of slew rate ... | 01/17/2012 |
| 8085066 | xCP on 2 CSI A microprocessor control unit (MCU) is mounted on a printed circuit board. The MCU includes first and second clocked serial interface (CSI) circuits. The first CSI circuit is configured to serially transmit a first xCP packet to a first encoder circuit, which in tur... | 12/27/2011 |
| 8063663 | Differential signal transmitting apparatus and differential signal receiving apparatus A differential signal transmitting apparatus for transmitting a differential signal through two transmission lines. The apparatus includes: transmitting-side board connecting terminals that are provided for each of the transmission lines, and are able to connect a t... | 11/22/2011 |
| 8049533 | Receiver and method for dynamically adjusting sensitivity of receiver A receiver and a method for dynamically adjusting sensitivity of the receiver are provided. The receiver includes a detection unit and a receiving unit. The detection unit detects an input signal group, and outputs a detection result. The receiving unit receives the... | 11/01/2011 |
| 8030966 | Very high efficiency transmission line driver This circuit is a back terminated transmission line driver which dissipates no outgoing power across its back terminating resistor by using both a voltage source and a current source. ... | 10/04/2011 |
| 8022727 | Electronic clamps for integrated circuits and methods of use An electronic clamp is provided for an integrated circuit having a first voltage island (1) to which an output signal (clamp out) of the clamp is applied and a second voltage island (2) operative to produce an input signal (clamp in) to the clamp, wher... | 09/20/2011 |
| 8013632 | Integrated circuit with global hotsocket architecture Integrated circuits such as programmable logic devices are provided with hotsocket detection circuitry. The hotsocket detection circuitry monitors signals on data pins and power supply voltages. If the data pins become active before the power supply voltages have re... | 09/06/2011 |
| 7990176 | Low power line driver and method thereof A line driver for a communications system requiring multiple power sources for different modes of operation comprises a current source and a voltage source coupled in parallel with the current source. The current source has a first terminal and a second terminal. Th... | 08/02/2011 |
| 7990177 | Driver circuit for producing signal simulating transmission loss In a driver circuit 10 for outputting a simulated signal simulating an input signal subjected to transmission loss, corresponding to the input signal, the driver circuit 10 comprises: a main driver 18 which receives the input signal and outputs ... | 08/02/2011 |
| 7973561 | Receiver particularly for a meter-bus A receiver particularly suited for an M-BUS is described. During transmission, the receiver is disabled. After each transmission, nodes and states in the receiver are set to prepare the receiver to receive a signal. Once data is sensed, a feedback loop clips the inp... | 07/05/2011 |
| 7969193 | Differential sensing and TSV timing control scheme for 3D-IC This disclosure uses a differential sensing and TSV timing control scheme for 3D-IC, which includes a first chip layer of the stacked device having a detecting circuits and a relative high ability driver horizontally coupled to the detecting circuits. A sensing circ... | 06/28/2011 |
| 7969192 | Variable off-chip drive A driver circuit includes a set of selectable drivers each having an individual drive capability, the drivers being selectable such that i) when a subset of the drivers is selected, a signal will be driven by the drivers at a first drive level, and ii) when the subs... | 06/28/2011 |
| 7969194 | Semiconductor device A semiconductor device according to the present invention comprises a first semiconductor integrated circuit 11 having a predetermined function, the first semiconductor integrated circuit outputting a required output signal, a second semiconductor integrated circuit... | 06/28/2011 |
| 7965104 | Data transmission system and method, and electronic apparatus provided with same data transmission system A data transmission system includes a transmitter including a drive unit outputting complementary signals to first and second transmission lines according to data for transmission, and a receptor including first and second termination resistors, and a receiver circu... | 06/21/2011 |
| 7961006 | Semiconductor device and electronic apparatus having the same With an offset circuit including transistors of the same conductivity type, offset of an input signal is performed. Then, the input signal after the offset is supplied to a logic circuit including transistors of the same conductivity type as that of the offset circu... | 06/14/2011 |
| 7948270 | System and method for level translation in serial data interface The serial interface operable, for example, to facilitate high speed differential data transfer between integrated circuits provides level shifting of an incoming data signal using a switched capacitor technique which level shifts the common mode voltage with minima... | 05/24/2011 |
| 7940084 | Device and method for sharing charge A method for sharing charge between IO circuits, the method includes providing an integrated circuit that comprises multiple IO circuits, each comprising an IO pad. The method is characterized by including: determining to share a charge between multiple IO circuits;... | 05/10/2011 |
| 7940083 | Semiconductor integrated circuit A semiconductor integrated circuit capable of maintaining characteristics of transistors in a circuit including a plurality of cascade connected transistors. The circuit includes an inverter which has a series connection of P-MOS transistors and a pair of N-MOS tran... | 05/10/2011 |
| 7924055 | Data transmitting system A data transmitting system is provided that includes a transmitter that suppresses coupling noise by being operated using a differential voltage driving scheme at the time of transmitting data and being operated using a common voltage driving scheme by equalizing po... | 04/12/2011 |
| 7919984 | System and apparatus of reconfigurable transceiver design for multi-mode signaling A reconfigurable transceiver is claimed for a wide range of I/O systems. The reconfigurable transmitter of the reconfigurable transceiver is capable of transmitting multi-level signals in single-ended and differential modes by current and voltage mode signaling. The... | 04/05/2011 |
| 7915923 | Serial link driver interface for a communication system Method and apparatus for a communication system (100) using a driver block (200) are described. The driver block includes memory having programmable non-volatile memory cells for storing configuration settings associated with operation of the driver bl... | 03/29/2011 |
| 7911232 | Input/output signal controller To easily judge a transmission signal outputted from an own electronic device. A transmission part 7 outputs a transmission signal to a transmission path 1 side. Switching parts Q1 and Q2 are connected between a constant voltage power sou... | 03/22/2011 |
| 7902872 | Data transmitters and methods thereof In a data transmitter, a main line driver circuit transmits an input signal to a receiver via a channel. A pre-emphasis circuit emphasizes a voltage level of the transmitted input signal, and a pre-emphasis controller controls the pre-emphasis circuit. The pre-empha... | 03/08/2011 |
| 7898293 | Circuit board, information processing apparatus, and transmission method One aspect of the invention is directed to the provision of a circuit board mounted with a plurality of circuit components connected via a transmission line. The circuit components mounted on the circuit board includes at least a signal processor for processing a si... | 03/01/2011 |
| 7893717 | Circuit die to circuit die interface system A circuit die to circuit die interface system includes a first circuit die with a first circuit having a first default signal, at least a second circuit die with a second circuit having a second default signal; and a logic circuit disposed on one of the first and se... | 02/22/2011 |
| 7893716 | Hotsocket detection circuitry Hotsocket detection circuitry is provided for detecting hotsocket conditions in integrated circuits such as programmable logic device integrated circuits. Power-on-reset circuitry may provide a power-on-reset signal that is indicative of when power supply voltages a... | 02/22/2011 |
| 7888968 | Configurable pre-emphasis driver with selective constant and adjustable output impedance modes Embodiments of the invention are directed to a single driver that can be used to transmit data with configurable levels of pre-emphasis, and can have either a constant or adjustable driver output impendence, selectively. One embodiment, directed to a driver apparatu... | 02/15/2011 |
| 7884647 | Output driver There is provided an output driver, which includes a pre-driver configured to generate a main driving control signal in response to a data signal, a main driver configured to drive an output terminal in response to the main driving control signal, an auxiliary drivi... | 02/08/2011 |
| 7876129 | Load sense and active noise reduction for I/O circuit An I/O circuit includes load sense and active noise reduction features that result in high speed output signal transitions with very low noise. Capacitive feedback control circuitry controls the point and time at which feedback capacitors are applied to the gate dri... | 01/25/2011 |
| 7876130 | Data transmitting device and data receiving device A data transmitting device and a data receiving device are disclosed. The data transmitting device may include a clock signal generator for generating a clock signal, and a transmitter for generating a transmission signal having the clock signal inserted in a data s... | 01/25/2011 |
| 7868660 | Serial communications bus with active pullup A dual-wire communications bus circuit, compatible with existing two-wire bus protocols, includes a first and second part of the communications bus circuit to couple to a communications bus. The bus has a first line for carrying data signals from a master device to ... | 01/11/2011 |
| 7863934 | Adjusting method and circuit using the same A method adjusts driving ability of an output buffer. The output buffer has multiple driving ability classes. The method includes the following steps. First, the driving ability of the output buffer is initialized as an initial class among the driving ability classe... | 01/04/2011 |
| 7855576 | Versatile common-mode driver methods and apparatus Methods and apparatus are provided for selectively setting a CM voltage for a transceiver, reducing the effect of current mismatch, and generating a voltage step that can be used for receiver detection. A circuit of the invention can include voltage generator circui... | 12/21/2010 |
| 7843223 | Semiconductor device A semiconductor device includes a buffer unit configured to include first and second buffers, connected to each other in a cross-coupled manner, to receive a reference voltage and to buffer an input signal applied to the first and second buffers based on the referen... | 11/30/2010 |
| 7825690 | Decouple capacitor forming circuit, integrated circuit utilizing the decouple capacitor forming circuit and related method A method for forming a decouple capacitor of an integrated circuit, the integrated circuit including a core circuit and a plurality of I/O circuits coupled to the core circuit, includes cutting part of a plurality of lines in at least one specific circuit of the I/O... | 11/02/2010 |
| 7808275 | Input buffer with adaptive trip point Disclosed is a circuit comprising an inverter circuit which comprises inverters and level shifters; and a modulation circuit comprising a pull-up circuit and a pull-down circuit, the modulation circuit coupled to the inverter circuit to regulate the response of the ... | 10/05/2010 |