Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8081730 | Monitoring device for connectors An exemplary monitoring device includes: a time chip connected to a connector to generate a time signal and a count signal when the connector is working, the time signal indicating how long the connector is in use, the count signal indicating that the total number o... | 12/20/2011 |
| 7398180 | Vehicle technician time clock tool A vehicle technician time clock tool comprises a computer-implemented interface to a database, wherein the database contains vehicle service task-related information and time-related information, the vehicle service task-related information and time-related informat... | 07/08/2008 |
| 7370179 | Microprocessor The invention relates to a microprocessor having a plurality of components which are selected from registers (14,16), arithmetic logic units (30,32), memory (36,38), input/output circuits and other similar components where the plurality of compo... | 05/06/2008 |
| 7366275 | Output calibrator with dynamic precision An integrated circuit device having an output driver circuit and a control circuit. The output driver circuit outputs a first signal having a signal level according to a control value. The control circuit is coupled to receive the first signal from the output driver... | 04/29/2008 |
| 7360109 | Measuring the interval of a signal using a counter and providing the value to a processor The present invention aims to be capable of properly measuring the cycle of an external signal even where a timer clock and a CPU clock are operated asynchronously. A timer circuit comprises a timer counter which counts a generation interval of an external signal in... | 04/15/2008 |
| 7343510 | Method and device for selecting one of multiple clock signals based on frequency differences of such clock signals A clock detection and selection circuit (100) can include a first counter (102-0) that generates a first count value CNT1 according to a first clock signal CLK1 and a second counter (102-1) that generates a second cou... | 03/11/2008 |
| 7327173 | Delay-locked loop having a pre-shift phase detector A clock generator for generating an output clock signal synchronized with an input clock signal having first and second adjustable delay lines. The first adjustable delay lines is adjusted following initialization of the clock generator to expedite obtaining a lock ... | 02/05/2008 |
| 7311523 | Method of timing hand washing A hand washing device and method encouraging hand washing includes a display panel, a message “WASH UP with Soap and Water. Get rid of germs in only 15 seconds.” and may have one of a variety of timing means to time the wash cycle or the user may use an ordinary... | 12/25/2007 |
| 7296170 | Clock controller with clock source fail-safe logic A microcontroller integrated circuit with a clock controller and a processor automatically switches the source of the clock signal that clocks the processor from a failed fast external precision oscillator to a slow internal backup oscillator, then enables a fast in... | 11/13/2007 |
| 7287177 | Digital reliability monitor having autonomic repair and notification capability An integrated circuit, including: a pulse generator adapted to generate a pulsed signal; a cycle counter adapted to count cycles of the pulsed signal; one or more repairable circuit elements; and a repair processor adapted to repair a repairable circuit element when... | 10/23/2007 |
| 7272754 | Implementation-efficient multiple-counter value hardware performance counter An implementation-efficient, multiple-counter value hardware performance counter is disclosed. A hardware counter of one embodiment includes a memory array and a hardware incrementer. The array stores counter values that are indexable by an index constructed based a... | 09/18/2007 |
| 7256720 | Output filter for delta sigma modulator and digital signal processor provided with the same The invention intends to reduce noises by resistors in an output filter for a delta sigma modulator. The output filter uses an FIR filter with constant current sources as the current source, extracts output data of the delta sigma modulator from each taps of a shift... | 08/14/2007 |
| 7254198 | Receiver system having analog pre-filter and digital equalizer A receiver system suitable for a local area network contains an analog pre-filter (207 or 619), an analog-to-digital converter (210), a digital equalizer (212), and a decoder (605). A symbol-information-carrying input analog signal... | 08/07/2007 |
| 7250797 | Event edge synchronization system and method of operation thereof The present invention provides an event edge synchronization system and a method of operating the same. In one embodiment, the event edge synchronization system includes: (1) a first clock zone device configured to generate an event signal based upon a first clock r... | 07/31/2007 |
| 7239575 | Delay-locked loop having a pre-shift phase detector A clock generator for generating an output clock signal synchronized with an input clock signal having first and second adjustable delay lines. The first adjustable delay lines is adjusted following initialization of the clock generator to expedite obtaining a lock ... | 07/03/2007 |
| 7208932 | Voltage detector A voltage detector used to determine if an exposed or unexposed wire or terminal is “hot.” The voltage detector includes a low density EMF field detecting circuit and a high density EMF field detecting circuit each coupled to an indicator to inform the user that... | 04/24/2007 |
| 7199709 | Cart fleet management system A hand-operated cart constructed for carrying luggage or packages includes a frame including a cargo area, and cart wheels connected to the frame and connected to a handrail arranged for manually displacing the cart. The cart also includes a distance sensor construc... | 04/03/2007 |
| 7162594 | Memory module indicator device To improve the convenience of using a memory module, there are provided indicator elements corresponding to types of access to semiconductor memory. The indicator elements are configured to correspond to the access type and indicate the frequency of this type of acc... | 01/09/2007 |
| 7161476 | Electronic tire management system An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ... | 01/09/2007 |
| 7154814 | Digital engine hour meter for outdoor power equipment A digital engine operating time measuring apparatus for an internal combustion engine. The apparatus is powered by a magneto of the engine and accumulates engine operating time only when the engine is operating. The apparatus includes power regulation circuitry incl... | 12/26/2006 |
| 7149956 | Converging error-recovery for multi-bit-incrementing gray code An L-bit gray-code input value can change by more N bits at a time. The lower N bits of the input are stored as a received least-significant-bits (LSB) while the upper bits are stored as a received most-significant-bits (MSB). A stored register holds the corrected, ... | 12/12/2006 |
| 7148825 | Data interface including gray coding A data interface includes a network interface processor, a transmitter, and a receiver. The network interface processor is operably coupled to transceive parallel data via a network connection. The transmitter is operably coupled to convert outbound parallel data fr... | 12/12/2006 |
| 7135873 | Digital time domain reflectometer system A digital time domain reflectometer system is provided for performing a measurement process that is useful for calculating a cable length. The measurement process starts with a launch controller periodically generating a sync signal for turning a duration signal on.... | 11/14/2006 |
| 7132939 | Integrated self-powered tire revolution counter A self-powered tire revolution counter includes a motion sensitive power generation mechanism, a power conditioner, a pulse detector, a microcontroller, and, optionally, a radio frequency (RF) transmitting device. In one exemplary embodiment, the power generation me... | 11/07/2006 |
| 7129737 | Method for avoiding transients during switching processes in integrated circuits, and an integrated circuit In a method for avoiding transients during switching processes in integrated circuits, a module of the integrated circuit is switched from a first operating state to a second operating state, a load change occurring thereby. In this case, it is ensured that the occu... | 10/31/2006 |
| 7122982 | DC motor rotation information detecting device A rotation information detection device detects rotation information of a DC motor based on a surge component waveform superimposed on a voltage waveform between the terminals of the DC motor or a current waveform of the DC motor, a circuit is provided which supplie... | 10/17/2006 |
| 7120220 | Non-volatile counter A non-volatile counter circuit includes a state machine having a first input for receiving one or more control signals, a second input for receiving a current count value, a third input for receiving historical information, and an output for providing a next count v... | 10/10/2006 |
| 7111255 | Time-based evaluation of data verification results The present invention is directed to a system and method for evaluating verification of data by an operator. The data is presented to the operator on a computer-controlled display and a time duration is measured over which the operator interacts with the display in ... | 09/19/2006 |
| 7111179 | Method and apparatus for optimizing performance and battery life of electronic devices based on system and application parameters An electronic device (e.g., computer system, etc.) employing dynamic power management of the present invention adjusts power consumption in accordance with an analysis of parameters and events occurring over one or more time-periods. Preferably, the electronic devic... | 09/19/2006 |
| 7092480 | High-speed synchronous counters with reduced logic complexity Described are fast synchronous counters with reduced combinatorial logic. In one embodiment, a four-bit shift register is configured in a ring and preset with a data pattern (e.g., 1000). The register is then rapidly shifted into any of four unique states. Combinato... | 08/15/2006 |
| 7092829 | Instantaneous wire interruption detection system for vehicle electrical system In an instantaneous wire interruption detection system for a vehicle electrical system, a VSC-ECU includes an input processing circuit that processes electric signals transmitted from various sensors and an EFI-ECU by a signal wire (wire harness); a signal state det... | 08/15/2006 |
| 7088156 | Delay-locked loop having a pre-shift phase detector A clock generator for generating an output clock signal synchronized with an input clock signal having first and second adjustable delay lines. The first adjustable delay lines is adjusted following initialization of the clock generator to expedite obtaining a lock ... | 08/08/2006 |
| 7041946 | Energization cycle counter for induction heating tool An induction heat treating process with a remote sensor for monitoring the duration of energization of an induction heating coil each time the induction heating coil is consecutively cycled. An identifying tag is preferably attached to, embedded within the induction... | 05/09/2006 |
| 7024579 | Configurable timing system having a plurality of timing units interconnected via software programmable registers The timing system includes a plurality of timing units interconnected to perform a count operation. Software programmable registers interconnect the plurality of timing units, and a control circuit generates a clock signal for the plurality of timing units. The cont... | 04/04/2006 |
| 6995591 | Register controlled delay locked loop with low power consumption The present invention relates to a digital delay locked loop (DLL) in DDR SDRAM (Double Data Rate Synchronous DRAM). The digital delay locked loop according to the present invention includes: first and second delay lines, each of which includes a plurality of delay ... | 02/07/2006 |
| 6965883 | Charging mechanism for multicasting An apparatus for calculating a cost of receiving multicast data from a multicast session. A multicast network includes at least one multicast service, each multicast service including at least one multicast session. The apparatus receives a request to establish a co... | 11/15/2005 |
| 6965098 | Energization cycle counter for induction heating tool An induction heat treating process with a sensor for monitoring the duration of energization of an induction heating coil each time the induction heating coil is consecutively cycled. The sensor is preferably a counting mechanism attached to or embedded within the i... | 11/15/2005 |
| 6957352 | Processor temperature control interface Techniques for a processor temperature control interface. In one embodiment, a processor includes a bidirectional interface and output logic to assert a first signal indicating an internal high temperature on the bidirectional interface. Throttling logic throttles o... | 10/18/2005 |
| 6950490 | Fault state detection mechanism for a ring-counter-based frequency divider-by-N that generates non-overlapping N-phases of divide-by-N clocks with 1/N duty ratio A fault state detector for a ring counter is formed from unit current sources each switched under the control of a different one of the outputs of the ring counter. The currents switched in that manner are passed through a unit resistance to generate a voltage signa... | 09/27/2005 |
| 6950138 | Gray code counter Conventionally, it is difficult to design the logic of a Gray code counter that can be used in interlaced counting. Even though interlaced counting is possible with a Gray code counter, the number of simultaneously changing bits increases greatly depending on the nu... | 09/27/2005 |
