Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8159281 | Method and device for delaying activation timing of output device A delay method for determining an activation moment of an output device in a circuit system is disclosed. The delay method includes determining resistance of an over-current flag pull-high resistor of the circuit system, generating a current according to the resista... | 04/17/2012 |
| 7498862 | Switch for handling terminal voltages exceeding control voltage A switch provided between a first terminal and a second terminal with a varying cross terminal voltage. The switch contains two transistors, with the source terminal of the first transistor being coupled to the first terminal and a drain terminal of the second trans... | 03/03/2009 |
| 7403200 | Current sensing bi-directional switch and plasma display driver circuit A bi-directional switch comprising first and second semiconductor switching devices, a current sensor connected in series with the switching devices, thereby forming a series circuit, a driver circuit controlling the on/off operation of the first and second switchin... | 07/22/2008 |
| 7365585 | Apparatus and method for charge pump slew rate control An apparatus and method for improving memory cell reliability is disclosed. The slew rate is reduced in an applied voltage signal used to program a memory cell when Fowler-Nordheim (FN) tunneling injection is detected. The applied programming signal is provided by a... | 04/29/2008 |
| 7363175 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/22/2008 |
| 7319304 | Shunt connection to a PCB of an energy management system employed in an automotive vehicle A method of coupling a shunt to a printed circuit board (PCB) of an energy management system is provided. The method includes coupling flexible electrical connectors to the shunt and soldering the flexible electrical connectors to connection points on the PCB of the... | 01/15/2008 |
| 7319620 | Input and output buffers having symmetrical operating characteristics and immunity from voltage variations A pair of self-biased differential amplifiers having a non-symmetrical topology are combined to provide a self-biased differential amplifier having a symmetrical topology. Each of the combined differential amplifiers includes a pair of transistors coupled to each ot... | 01/15/2008 |
| 7304526 | Switching circuit for handling signal voltages greater than the supply voltage Analog bidirectional switches (20) comprising a first (1) and a second (2) transistor function badly in case of the signal voltage at an input or an output of the switch (20) exceeding the supply voltage used for operating the switch (... | 12/04/2007 |
| 7304503 | Repeater circuit with high performance repeater mode and normal repeater mode, wherein high performance repeater mode has fast reset capability Repeater circuit with high performance repeater mode and normal repeater mode, wherein high performance repeater mode has fast reset capability, is provided and described. In one embodiment, switches are set to a first switch position to operate the repeater circuit... | 12/04/2007 |
| 7295936 | Electronic battery tester with relative test output An electronic battery tester for testing a storage battery determines a condition of the battery. The condition is a relative condition and is a function of a dynamic parameter of the battery and an empirical input variable. ... | 11/13/2007 |
| 7274241 | Global closed loop control system with DV/DT control and EMI/switching loss reduction A gate driver for a power switch, comprising a gate drive circuit coupled to the gate of the power switch for at least one of turning on and turning off the power switch; a gate voltage control circuit in the gate drive circuit for controlling a voltage applied to t... | 09/25/2007 |
| 7274207 | Semiconductor-integrated circuit utilizing magnetoresistive effect elements A semiconductor integrated circuit device has a plurality of circuit elements, a plurality of connection elements each of which becomes a conductive state or a nonconductive state, interconnects for supplying control signals for placing the connection elements in th... | 09/25/2007 |
| 7265580 | Semiconductor-integrated circuit utilizing magnetoresistive effect elements A semiconductor integrated circuit device has a plurality of circuit elements, a plurality of connection elements each of which becomes a conductive state or a nonconductive state, interconnects for supplying control signals for placing the connection elements in th... | 09/04/2007 |
| 7246015 | Alternator tester An alternator tester is provided for testing an alternator of a vehicle while the alternator is coupled to the vehicle. A sensor is configured to couple to the vehicle and sense a signal related to operation of the alternator. A memory contains data related to opera... | 07/17/2007 |
| 7215156 | Differential signal driver having complimentary and current-aided pre-emphasis A differential voltage signal (LVDS) driver circuit and/or a Current Mode Logic (CML) driver circuit. The circuit includes two current switches, each coupled to a corresponding input node. In a complementary manner, when a differential signal is applied across the i... | 05/08/2007 |
| 7205807 | Cascode signal driver with low harmonic content A method and apparatus for minimizing harmonic content in a digital signal driver circuit are disclosed. A digital input signal applied to an input node generates a corresponding digital output in a circuit with two or more MOS devices in cascode connection with eac... | 04/17/2007 |
| 7190207 | One way conductor A one way conductor includes a MOSFET and a driving device. The MOSFET has a source and a drain respectively serving a positive end P and a negative end N of the one way conductor. The driving device including a BJT differential amplifier detects a voltage differenc... | 03/13/2007 |
| 7187226 | Anti-cross conduction drive control circuit and method An anti-cross conduction driver control circuit and method prevent the occurrence of race conditions and avoid cross-conduction between series-connected power devices, typically MOSFETs, controlled in accordance with the present invention. Individual state machines ... | 03/06/2007 |
| 7159210 | Performing secure and insecure computing operations in a compartmented operating system A process 23 runs directly on a host operating system 22, until the process 23 attempts an operation which can affect security of the host operating system 22 (such as loading a kernel module or using system privileges). A guest operating... | 01/02/2007 |
| 7142018 | Circuits and methods for detecting and assisting wire transitions A circuit for assisting signal transitions on a wire, and a method thereof. The circuit includes a first subcircuit that causes a first transistor that is coupled to the circuit's output to turn on during a rising transition and then turn off. The first transistor d... | 11/28/2006 |
| 7126341 | Automotive vehicle electrical system diagnostic device An automotive vehicle electrical system diagnostic apparatus includes first and second electrical connections configured to electrically couple to an electrical system of an automotive vehicle which includes a battery. Digital samples are obtained during operation o... | 10/24/2006 |
| 7123054 | Semiconductor integrated circuit device having an ESD protection unit A semiconductor integrated circuit device includes a semiconductor integrated circuit formed in a semiconductor chip, and a switching element that is formed in the semiconductor chip and has a current path whose one end and the other end are both connected to the se... | 10/17/2006 |
| 7106070 | Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteries A broad-band technique for reducing the distributed inductance of a four-conductor Kelvin cable is disclosed. A special inductance-canceling cable section is connected in tandem with the cable section contacting the cell/battery. Connections between the two cable se... | 09/12/2006 |
| 7102932 | Input and output buffers having symmetrical operating characteristics and immunity from voltage variations A pair of self-biased differential amplifiers having a non-symmetrical topology are combined to provide a self-biased differential amplifier having a symmetrical topology. Each of the combined differential amplifiers includes a pair of transistors coupled to each ot... | 09/05/2006 |
| 7084694 | Switching circuit for switching constant current source using MOS transistor A basic switching circuit combines CMOS and bipolar technique on SiGe basis and operates at a low operating voltage of only slightly more than 2V. To achieve this low operating voltage, switching operation of the circuit is effected by switching a constant current s... | 08/01/2006 |
| 7053680 | Complement reset buffer A system and method for increasing speed and efficiency of data buffers is described. A complement reset buffer is provided comprising two pulse generators and an output stage. The first generator responds to a rising edge in a data signal and the second generator r... | 05/30/2006 |
| 7034541 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/25/2006 |
| 7002982 | Apparatus and method for storing data A method and apparatus for storing data, the method including the steps of generating a glitchless fractional clock pulse in a circuit and transmitting the glitchless fractional clock pulse from the circuit to a data storage element. The data storage element thereaf... | 02/21/2006 |
| 7003410 | Electronic battery tester with relative test output An electronic battery tester for testing a storage battery determines a condition of the battery. The condition is a relative condition and is a function of a dynamic parameter of the battery and an empirical input variable. ... | 02/21/2006 |
| 7003043 | Replica driver mismatch correction using a variable offset comparator A number of data symbols are driven into a transmission line while simultaneously driving the data symbols into another node. A difference between a signal level from the transmission line and a signal level from the other node while driving the symbols is determine... | 02/21/2006 |
| 7003411 | Electronic battery tester with network communication An electronic battery tester for testing a storage battery includes test circuitry configured to provide a battery test output related to a condition of the battery. A memory stores a battery tester address of the battery tester, and communication circuitry transmit... | 02/21/2006 |
| 6998847 | Electronic battery tester with data bus for removable module An electronic battery tester is provided for testing storage batteries. Battery test circuitry is configured to couple to the storage battery and measure a condition of the battery. A removable module is configured to couple to the battery tester to add increased fu... | 02/14/2006 |
| 6996376 | Antenna switch An antenna switch including a transmit connection for inputting a radio frequency signal, an antenna connection for connection to an antenna for transmitting the radio frequency signal, and a signal path between transmit connection and the antenna connection includi... | 02/07/2006 |
| 6977527 | Method and apparatus for suppressing spurious values in a differential output current Methods and apparatus provide for front-end processing of a first differential output current, whereby a first differential output current is received and a second differential output current having reduced spurious content is produced. Current steering is used to d... | 12/20/2005 |
| 6975145 | Glitchless dynamic multiplexer with synchronous and asynchronous controls Described are glitchless clock control circuits capable of switching away from a failed clock. One embodiment supports three basic functions: clock select, clock enable, and clock ignore. The clock-select function provides a selected one of a plurality of clock sign... | 12/13/2005 |
| 6967415 | Power source apparatus A power source apparatus comprising: a direct current power source to output a first voltage; a load driven with a second voltage higher than the first voltage; a booster converter to boost an output from the direct current power source to the second voltage; and a ... | 11/22/2005 |
| 6967520 | Gate drive circuit, which makes the gate-charge flow back to the load and the main power source A gate driving circuit having: a direct current power source; a driving signal source for outputting signal; a main switch device, having a gate terminal in which the signal outputted from the driving signal source is inputted, for controlling a conduction state bet... | 11/22/2005 |
| 6967512 | Multiphase-clock processing circuit and clock multiplying circuit In a circuit block BL1, a PMOS transistor P1 and a PMOS transistor P1′ are connected in series between a high-level potential HL and an output terminal U1; an NMOS transistor N1 and an NMOS transistor N1′ are connected i... | 11/22/2005 |
| 6911860 | On/off reference voltage switch for multiple I/O standards A switch circuit selectively provides a reference voltage, needed in some I/O standards, to a logic device. The circuit receives a dedicated power supply that is different from the device's I/O supply. It may also include a level shifting circuit for converting a ma... | 06/28/2005 |
| 6909619 | Spike control apparatus for DC-DC converter There are disclosed a synchronous rectifying type of DC—DC converter, a DC—DC converter control circuit constituting such a type of DC—DC converter, a monitor circuit for monitoring an operation of a DC—DC converter, and an electronic equipment having a DCâ€... | 06/21/2005 |