Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20120044080 | METHOD AND CIRCUIT FOR DETECTING HIGH-VOLTAGE DISCHARGE OF A GAS-ACTUATED FASTENER-DRIVING GUN In a method and circuit for detecting high-voltage discharge of a gas-actuated fastener-driving gun, an attenuating unit attenuates a discharge voltage from the gas-actuated fastener-driving gun to generate a positive pulse signal. A signal processing unit processes the... | 02/23/2012 |
| 20110032112 | DEVICE FOR MONITORING VOLTAGE OF MOTHERBOARD A device for monitoring a voltage of a motherboard includes a first monitoring circuit, a second monitoring circuit, and an indicating circuit. The first and monitoring circuits are connected to output a control voltage. A value of the control voltage is determined acco... | 02/10/2011 |
| 20100328087 | Communication apparatus, connection control method for communication apparatus and method of determining state of communication plug relative to communication connector in communication apparatus A communication apparatus includes a communication connector, a communication section, a connection section, a state detector, a controller and a warning section. The communication section controls communication performed through the communication connector, to which a ... | 12/30/2010 |
| 20100254057 | OVERLOAD POWER CUT-OFF DEVICE AND METHOD THEREOF An overload power cut-off device is provided in an electric auxiliary system for avoiding overload in the system. The device includes a current detecting unit, a voltage comparing unit, an alarm unit, and a power cut-off unit. The current detecting unit includes a senso... | 10/07/2010 |
| 20100001872 | ELECTRONIC ARTICLE SURVEILLANCE SYSTEM WITH METAL DETECTION CAPABILITY AND METHOD THEREFOR A method for detecting metal using an electronic article surveillance (“EAS”) system. The EAS system includes a transmitter and a receiver. An EAS interrogation signal is transmitted to establish the interrogation zone. The EAS interrogation signal is used to detect... | 01/07/2010 |
| 20090182532 | MONITORING UNIT FOR PHOTOVOLTAIC MODULES The invention relates to a monitoring unit for photovoltaic modules, wherein the modules are designed for a direct conversion of radiation energy, such as e.g. solar energy, into electric energy, and the system is designed function monitored, wherein each photovoltaic m... | 07/16/2009 |
| 20090174564 | DUST DETECTING CIRCUIT A dust detecting circuit includes a sampling circuit and an alarm circuit. The sampling circuit has a first voltage amplifying circuit, a voltage comparing circuit, and a second voltage amplifying circuit. An input of the first voltage amplifying circuit is connected to... | 07/09/2009 |
| 20080258927 | MONITORING DEVICE FOR MOTHERBOARD VOLTAGE An embodiment of a device for monitoring voltages of a motherboard includes: a comparator having an input terminal connected to a reference voltage and the other input terminal connected to a voltage of the motherboard; an electrical switch having a first terminal conne... | 10/23/2008 |
| 20080180266 | Voltage recorder, image processing apparatus, and voltage recording method A voltage recorder includes: a receiver that receives a signal from an apparatus operating on power supplied from a power supply circuit, notifying an operational status of the apparatus; a first memory that stores sampling periods in association with an operational sta... | 07/31/2008 |
| 20080106427 | DEVICE FOR DETECTING MALFUNCTIONS BY MANIPULATION OF AN INTERNAL VOLTAGE SUPPLY A device for determining an interference with a regulated voltage provided by a control loop with a unit for monitoring a control variable of the control loop and a unit for generating a notification signal if the control variable or a change in the time of the control ... | 05/08/2008 |
| 20070222630 | Power supply monitoring device In a power supply monitoring device, a power supply voltage monitoring portion always monitors a power supply voltage supplied to a monitored circuit and outputs a voltage reduction signal when detecting that the power supply voltage is reduced below a predetermined thr... | 09/27/2007 |
| 20070109141 | Feedback circuit for a display sign and method A feedback circuit for a display sign has a number of lights. A resistor is coupled in series with the lights. A voltage measuring circuit is coupled to the resistor. ... | 05/17/2007 |
| 20060192681 | Circuit arrangement A circuit arrangement having a voltage regulator, which is designed to generate a regulated operating voltage, and a voltage monitoring unit, which is designed to monitor the regulated operating voltage for deviations from desired values. The voltage monitoring unit has... | 08/31/2006 |
| 20060022837 | Device for detecting Line-disconnection in stepping motor driver A device for detecting disconnection for use in a stepping motor driver is provided having a driver circuit 3 which comprises a pair of windings 21, 22 wound in a bifilar turn arrangement; a pair of MOSFETs 1, 2 connected to the other end of each wi... | 02/02/2006 |
| 20050174248 | Apparatus and method for determining voltage using optical observation A beacon circuit enabling study of active elements in an integrated circuit is disclosed. The beacon circuit may be integral to a DUT to be tested. The DUT is stimulated by a conventional ATE, so that its active devices are operating. The signal from the active device i... | 08/11/2005 |
| 20050174249 | Adaptive voltage monitoring A voltage monitoring arrangement including a number of comparison devices, which corresponds to a prescribed number of voltage ranges, compares the value of an input voltage with a reference voltage and outputs a prescribed signal if the input voltage is within one of t... | 08/11/2005 |
| 20050134469 | Power supply methods and apparatus A detection circuit includes a first power line, a first signal conditioning module operationally coupled to the first power line, a neutral line (N) operationally coupled to the first signal conditioning module, a second signal conditioning module operationally coupled... | 06/23/2005 |
