Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 7525350 | Zero-waiting-current precise over-voltage comparator A precise over-voltage comparator exhibits zero-waiting-current characteristics during normal working conditions. An NMOS transistor is used in conjunction with other circuit elements to regulate the over-voltage comparator. For normal power supply voltages, the com... | 04/28/2009 |
| 7504866 | Output hold circuits for sample-data circuits A sampled-data analog circuit uses zero-crossing detector. A waveform generator produces a plurality of segments of ramp at the output. An output of a zero crossing detector controls a sampling switch, thereby causing a precise sample of the output voltage to be tak... | 03/17/2009 |
| 7486115 | Sampled-data circuits using zero crossing detection A sampled-data analog circuit includes a level-crossing detector. The level-crossing detector controls sampling switches to provide a precise sample of the output voltage when the level-crossing detector senses the predetermined level crossing of the input signal. T... | 02/03/2009 |
| 7459942 | Sampled-data circuits using zero crossing detection A sampled-data analog circuit includes a level-crossing detector. The level-crossing detector controls sampling switches to provide a precise sample of the output voltage when the level-crossing detector senses the predetermined level crossing of the input signal. T... | 12/02/2008 |
| 7414440 | Low voltage detection circuit A low voltage detection circuit includes a reference voltage generation circuit, a divider circuit, a comparator that serves as a comparison circuit, and a second constant current transistor connected in series with the divider circuit. An auxiliary current transist... | 08/19/2008 |
| 7411428 | Multisense-adaptive reading circuit, particularly for interleaved DC-DC converters and corresponding reading method A multisense-adaptive reading circuit is described, which is associated to a sense element of an interleaved DC-DC converter module. The reading circuit comprises at least a first and second current source connected to a first and second terminal of the module, conn... | 08/12/2008 |
| 7394295 | Sense amplifier The invention relates to a sense amplifier comprising the following element: a first current mirror unit coupled to a high voltage source, outputting a first current and a second current according to a first reference current, wherein the second current is twice the... | 07/01/2008 |
| 7382167 | Circuit and method for controlling hysteresis for bilevel signal transitions An output signal is controlled with adjustable hysteresis in response to a variable voltage input signal. One or more signals derived from the input signal are respectively compared with first and second reference voltages of different magnitudes. The output signal ... | 06/03/2008 |
| 7373531 | Signal detection method, frequency detection method, power consumption control method, signal detecting device, frequency detecting device, power consumption control device and electronic apparatus A power consumption control device for detecting output of a pulse signal from an output terminal of an oscillator as an operation monitoring target and outputting a power consumption reduction signal when the pulse signal is not detected in a predetermined period o... | 05/13/2008 |
| 7365548 | System and method for measuring on-chip supply noise A method and system for measuring noise of an on-chip power supply. In an embodiment, the system comprises a delay line that receives as an input a signal such as a square wave. The delay line may comprise a series of inverters connected to the power supply. The out... | 04/29/2008 |
| 7362144 | Low jitter input buffer with small input signal swing A particular input buffer receiver includes a buffer input portion for receiving an input signal, a large capacitor between a bias node and the lower supply voltage, and a buffer output portion for producing an output signal. The circuit works to remove ground noise... | 04/22/2008 |
| 7336107 | Comparator circuit and control method thereof This invention provides a comparator circuit which outputs a stable waveform without oscillation even if a gradient of a change of a comparison input signal is small and determines a magnitude of the comparison input signal within a predetermined threshold value reg... | 02/26/2008 |
| 7332939 | Comparator system and method for comparing an input signal with a reference level using said system A comparator system for comparing a level of an input signal with a level of a reference signal comprises a first comparator configured to input the input signal to one of input terminals thereof and the reference signal to the other of input terminals thereof, a se... | 02/19/2008 |
| 7313034 | Low supply voltage temperature compensated reference voltage generator and method A reference voltage generator uses a conventional forward junction voltage generating device and a conventional thermal generator to generate a thermal voltage. The forward junction voltage and the thermal voltages have respective thermal sensitivities that act oppo... | 12/25/2007 |
| 7310213 | Semiconductor device provided with overheat protection circuit and electronic circuit using the same A overheat protection circuit is formed on the same semiconductor substrate as a power MOS FET is formed on. As the configuration, a first resistor is connected between an input terminal and a gate of the power MOS FET, a second resistor, a temperature sensing eleme... | 12/18/2007 |
| RE39918 | Direct current sum bandgap voltage comparator A direct current sum bandgap voltage comparator for detecting voltage changes in a power supply. The direct current sum bandgap voltage comparator includes a summing node, current sources connected to the summing node and the power supply, and an indicator circuit c... | 11/13/2007 |
| 7295045 | Circuit for cutting-off output signal An output signal cutting-off circuit includes a first switching element, a driving circuit and a voltage-drop-signal generating circuit. When a voltage to be monitored becomes lower than a threshold voltage, a voltage-drop-signal is generated and supplied to the dri... | 11/13/2007 |
| 7282953 | Pre-buffer level shifter and input/output buffer apparatus A pre-buffer level shifter and an I/O buffer apparatus are provided. The pre-buffer level shifter includes a switchable current source, a current mirror, a buffer unit, a first clamping circuit and a second clamping circuit. Because of a clamping circuit inside a th... | 10/16/2007 |
| 7274221 | Comparator circuit An improved comparator circuit and associated methods are disclosed. In one embodiment, the comparator circuit comprises two voltage-to-time converter circuits, one for each input voltage to be compared, and an arbiter circuit for receiving the time-converted output... | 09/25/2007 |
| 7271624 | Low-power supply voltage level detection circuit and method An input power supply voltage level detection circuit and method are presented. The circuit includes a main detector core and a two-inverter buffer block that can include a first inverter and a second inverter. The circuit receives a voltage input signal and outputs... | 09/18/2007 |
| 7268604 | Comparator with hysteresis and method of comparing using the same A comparator includes a differential amplifier, and a hysteresis circuit. The differential amplifier amplifies a difference signal corresponding to a difference between input signals. The hysteresis circuit sets up a first transition threshold voltage and a second t... | 09/11/2007 |
| 7268413 | Bipolar transistors with low-resistance emitter contacts Many integrated circuits include a type of transistor known as a bipolar junction transistor, which has an emitter contact formed of polysilicon. Unfortunately, polysilicon has a relatively high electrical resistance that poses an obstacle to improving switching spe... | 09/11/2007 |
| 7259597 | Low-voltage detection circuit A low-voltage detection circuit detects a terminal voltage of a power supply terminal. The low-voltage detection circuit includes a first voltage-dividing circuit, a second voltage-dividing circuit, and a comparator. The second voltage-dividing circuit includes a bi... | 08/21/2007 |
| 7259596 | Circuit arrangement for monitoring a voltage A voltage (UE1, UE2), other than a supply voltage (UV1, UV2), is monitored and controlled to avoid damage to circuit components by maintaining a required voltage level. Dissipation power losses are reduced by switching off a monitoring ci... | 08/21/2007 |
| 7246192 | Serial/parallel ATA controller and converter In one aspect, an interface circuit for interfacing a Parallel ATA bus to a storage device. The interface circuit including a storage device controller in communication with the storage device to control a flow of information between the storage device and a Serial ... | 07/17/2007 |
| 7242223 | Clock frequency monitor A frequency monitor circuit (FMC) that is part of an integrated circuit chip for monitoring the frequency of one or more clocks present on the chip is disclosed. The FMC includes a reference window generator, operative to output a reference window signal of a given ... | 07/10/2007 |
| 7233176 | CMOS input buffer and a method for supporting multiple I/O standards A CMOS input buffer supporting multiple I/O standards and having a pair of NMOS and PMOS differential receivers, each having a first input connected to an input pad and a second input connected to a reference voltage, a first multiplexer connected to the control ter... | 06/19/2007 |
| 7233177 | Precision tuning of a phase-change resistive element The present invention comprises a method and structure for programming an on-chip phase-change resistor to a target resistance. Using an off-chip precision resistor as a reference, a state-machine determines a difference between the resistance of an on-chip resistor... | 06/19/2007 |
| 7230456 | Low current consumption detector circuit and applications A low current consumption detector circuit, and its applications are described herein. ... | 06/12/2007 |
| 7224198 | Input and output circuit and method of operation thereof An input and output circuit includes a common input and output node, an abnormal voltage detector and a clock generating circuit. The common input and output node is used as an output node in a normal operation mode and used as an input node in a test operation mode... | 05/29/2007 |
| 7213188 | Accessing test modes using command sequences An integrated circuit device receives a sequence of commands and enables a test mode of the integrated circuit device in response to the command sequence when all of the commands of the sequence are correct. The integrated circuit device disables the test mode upon ... | 05/01/2007 |
| 7212043 | Line regulator with high bandwidth (BW) and high power supply rejection ration (PSRR) and wide range of output current Aspects of a method and system for a linear regulator with high bandwidth, PSRR, and a wide range of output current are provided. A method for isolating voltages in a circuit may comprise applying a reference voltage to an isolation resistor based on a supply voltag... | 05/01/2007 |
| 7209403 | Enhanced fuse configurations for low-voltage flash memories An enhanced fuse circuit is discussed that advances redundancy techniques in integrated circuits. The enhanced fuse circuit uses a single nonvolatile fuse and a latch that is coupled at a desired time. One embodiment of the invention discusses a fuse circuit that in... | 04/24/2007 |
| 7205808 | Power supply switching circuit and method A power supply switching circuit includes an input terminal (2) for receiving a signal from a motherboard, an output terminal (4) to output a control signal, a first Bipolar Junction Transistor (BJT) (5), and a second BJT (7). A base of t... | 04/17/2007 |
| 7202708 | Comparator with resonant tunneling diodes A comparator uses two resonant tunneling diodes (RTDs) in series with resistors of the latch element of the comparator. By inserting two RTD diodes in series with resistors, the negative resistance of the first and the second RTD diodes reduces the effective RC time... | 04/10/2007 |
| 7187213 | Semiconductor circuit The present invention provides a semiconductor circuit capable of effectively applying a filter function to both of L-level noise superimposed during originally H signal periods and H-level noise superimposed during originally L signal periods. An input signal branc... | 03/06/2007 |
| 7180815 | Semiconductor integrated circuit device A semiconductor integrated circuit device with a power-on detecting circuit, wherein the power-on detecting circuit includes: first and second power supply terminals between which an external power supply voltage is to be supplied; a first diode circuit having a fir... | 02/20/2007 |
| 7180350 | Hybrid latch flip-flop A hybrid latch flip-flop is applied to an LCD. The hybrid latch flip-flop includes a positive pulse generation unit, a latch flip-flop, and a buffer unit. The latch flip-flop includes a sampling unit and a hold unit. One feature of the present invention is that fewe... | 02/20/2007 |
| 7180811 | Semiconductor memory device informing internal voltage level using ready/busy pin A semiconductor memory device has a ready/busy pin for detecting a current state of the device. The memory device includes a voltage level detector, a ready/busy driver controller, and a ready/busy driver. The voltage level detector checks if the internal voltage le... | 02/20/2007 |
| 7176720 | Low duty cycle distortion differential to CMOS translator Disclosed is a circuit comprising a differential input amplifier stage, a capacitor stage, an inverter chain stage, and a biasing circuit. The inverter chain stage may be formed with or without feedback depending on whether a clock signal or data signal is to be tra... | 02/13/2007 |
