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 |
| 8077047 | Tampering detection system using quantum-mechanical systems The use of quantum-mechanically entangled photons for monitoring the integrity of a physical border or a communication link is described. The no-cloning principle of quantum information science is used as protection against an intruder's ability to spoof a sensor re... | 12/13/2011 |
| 8009052 | Method and system for monitoring the power state of an X-ray emitter and/or an X-ray detector In a method and system for monitoring the power state of an x-ray emitter and/or an x-ray detector, the x-ray emitter is operated according to a set of test parameters, so as to emit x-rays that strike at least a portion of the detector region of the x-ray detector.... | 08/30/2011 |
| 7994926 | Nuclear detection via a system of widely distributed low cost detectors having data including gamma intensities, time stamps and geo-positions A radiation detection system includes many receivers to continuously receive radiation emission data from at least some of a sufficient density of dispersed detectors capable of communicating geo-positions and photon emission counts over a network; the data includes... | 08/09/2011 |
| 7965192 | Photo sensitive device A photosensitive device for warning an individual that the interior light level on one side of the window is greater than the light level on the outside of the window includes first and second photo sensors, a comparator circuit and/or a logic circuit and an alarm. ... | 06/21/2011 |
| 7864061 | Multi-stage system for verification of container contents A multi-stage process utilizing one or more radiation sensors on a distributed network for the detection and identification of radiation, explosives, and special materials within a shipping container. The sensors are configured as nodes on the network. The system co... | 01/04/2011 |
| 7852226 | Spectroscopic portal for an adaptable radiation area monitor A detection system operating on a scalable Radiation Sensor Unit (RSU) data stream employs a detection module triggering an alarm based on fee dynamic temporal features of gross count. Two spectroscopic buffers, one holding a long-term background and one holding the... | 12/14/2010 |
| 7843353 | Automatic lighting control system and method An automatic lighting control system includes at least a lighting device, at least a sensor, and a decision module. Each lighting device is adjustable and has a remote control function. A wireless sensor network is configured by the one or more sensors. Each sensor ... | 11/30/2010 |
| 7760103 | Multi-stage system for verification of container contents A multi-stage process utilizing one or more radiation sensors on a distributed network for the detection and identification of radiation, explosives, and special materials within a shipping container. The sensors are configured as nodes on the network. The system co... | 07/20/2010 |
| 7642923 | Sensors based on density differences in fluids and method for operating and for manufacturing said sensors to detect movement, acceleration, position, fluid-properties A sensor for detecting position and/or movement in space and/or for detecting fluid-properties comprising at least one transmitter and at least one receiver which are enclosed by a fluid, characterized in that the at least one transmitter generates cyclic fluid dens... | 01/05/2010 |
| 7508311 | Radwaste warehouse area monitoring system A monitoring system watches out at radiation dosage in areas of a radwaste warehouse remotely. The system uses a monitoring device to coordinate with the system. By using the system, the monitoring is safe and more than one area can be monitored at the same time. | 03/24/2009 |
| 7501958 | Strobe light alarm detection and alert system A system is disclosed that detects an optical alarm signal, such as a strobe light signal generated by a building alarm system. Upon detecting such a signal, the system generates a supplemental alert signal capable of alerting an individual who might not otherwise r... | 03/10/2009 |
| 7436324 | Maritime port inspection and ingress control A marine port monitoring system including an inspection apparatus, either fixed or mobile, for intercepting cargo vessels entering the port. The system includes sensors placed in a shipping channel for examination of a hull of a passing vessel to detect externally m... | 10/14/2008 |
| 7427732 | Method for targeting a source of an incoming laser A system and method for laser source detection. An exemplary embodiment of the system includes a first array of lenses, a second array of opto devices (including light sources and light detectors), and at least one processor. By positioning the array of lenses to de... | 09/23/2008 |
| 7411513 | Weather warning system and method A device for detecting a weather condition, particularly a tornado. The device includes a receiver module configured to receive electromagnetic signal from an atmosphere, particularly electromagnetic signal in the range of 1 MHz to 100 MHz. The device also includes ... | 08/12/2008 |
| 7400266 | Method for improving vision in a motor vehicle A method, a device and a processing unit for improving visibility in a motor vehicle are described, a light source of the motor vehicle illuminating an illumination range. At least one monitoring sensor of the motor vehicle monitors the surroundings around the motor... | 07/15/2008 |
| 7391332 | Radiation information management device and communication device A radiation information management device comprises a measuring unit, a comparing unit, and a management information generating unit. The measuring unit measures unwanted radio wave radiation radiated from a balanced transmission line. The comparing unit compares a ... | 06/24/2008 |
| 7386237 | Wireless object counter A battery powered transmitter circuit has a LED of a continuously cycling microcomputer transmit a beam of a predetermined number of infrared pulses at predetermined time periods to a sensor of a battery powered receiver circuit. Only a clock circuit of each circuit... | 06/10/2008 |
| 7371966 | High speed active flex cable link A method and apparatus, in some embodiments the apparatus includes a flex cable terminating at a first end and a second end and having a plurality of conductors therein, and a repeater circuit disposed between the first end and the second end and connected to at lea... | 05/13/2008 |
| 7368717 | Density detection using real time discrete photon counting for fast moving targets A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the... | 05/06/2008 |
| 7365332 | Density detection using real time discrete photon counting for fast moving targets A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the... | 04/29/2008 |
| 7335887 | System and method for target inspection using discrete photon counting and neutron detection Described herein is system for the inspection of a target object. The system may include a gamma radiation source, a gamma detector and an image processor coupled to the gamma detector. When the inspection system is operating in a first active mode for imaging a tar... | 02/26/2008 |
| 7329854 | System and method of connecting multiple safety light curtains A light screen safety curtain system including multiple light screens cascaded together to cooperatively protect an area or machine against unwanted intrusion. Such a system includes a plurality of independently operating light screens electrically connected to each... | 02/12/2008 |
| 7327270 | Apparatus and method for detecting the presence of radioactive materials A passive radiation sensor suitable for homeland security applications or other monitoring of locations deemed at high risk to radiation exposure. The sensor further incorporates a method to provide a statistically derived detection threshold algorithm that guarante... | 02/05/2008 |
| 7327271 | Portable weather detector and alert system A portable weather detection and alarm device includes an electromagnetic signal receiver that receives digital time signals and atmospheric phenomenon signals. A processor connected to the electromagnetic signal receiver processes the atmospheric phenomenon signals... | 02/05/2008 |
| 7279685 | Radiation detector The invention is a digital radiation detector utilizing the stable timing functions of a microcontroller or plurality of microcontrolling devices to perform three independent functions. A first timer generates a continuous square wave output that is fed through a cl... | 10/09/2007 |
| 7274545 | ESD clamp with “trailing pulse” suppression In a method and system for protecting a semiconductor device from an electrostatic discharge (ESD) event, an ESD tester generates an ESD event by providing an ESD test signal having a leading pulse and a trailing pulse. An ESD input of the device under test (DUT) re... | 09/25/2007 |
| 7267239 | Method for nonintrusive scanning of cargo containers in a buffer operation A method for nonintrusive scanning of cargo containers quay side while the containers are being transferred between ship and land transportation utilizing a mobile cargo container handling buffer crane having a bridge crane mounted thereon for transferring cargo con... | 09/11/2007 |
| 7265353 | Data acquisition, control, and spectral analysis software for multi-channel analyzers A system for detecting and identifying low-level (weak) radioactive sources moving past stationary detectors. The system, which can detect low-level sources moving at speeds of 30 m/s (about 70 mph), uses the differences between background counts and gamma counts fr... | 09/04/2007 |
| 7256747 | Method and apparatus for a wireless hearing aid antenna One aspect relates to a hearing aid having a housing with a face plate to which a handle is connected. Additionally, an at least partially coiled antenna is located proximal to the face plate. Another aspect relates to an apparatus comprised of a means for locating ... | 08/14/2007 |
| 7242289 | Method and system for synthetically reproducing a random process A method and system are provided for synthetically reproducing a random process. A test apparatus is coupled to a data-collection apparatus. The data-collection apparatus collects status data corresponding to several alarm points. The test apparatus generates at a r... | 07/10/2007 |
| 7239231 | Light control device for vehicle In a light control device for a vehicle, a control portion determines whether an illuminance detected by an illuminance sensor reaches a first reference illuminance, and performs a turning on or off control of lights of the vehicle based on the determined result. Wh... | 07/03/2007 |
| 7238900 | Switching hinge A switching hinge having a hinge housing at which a hinge flap is swivellably disposed about an axis. A switching element is coupled to the hinge flap, which switching element triggers a switching operation at a built-in switch in a predetermined position of the hin... | 07/03/2007 |
| 7239245 | Method and device for monitoring position of radioactive materials in vehicles A method and device for monitoring the position of radioactive materials in vehicles relates to a technical field of monitoring of radioactive materials. The method comprises following steps: powering on a monitoring device, after initializing, the device automatica... | 07/03/2007 |
| 7227153 | Method for measuring ultraviolet radiation and ultraviolet measuring device An ultraviolet measuring method using an ultraviolet sensitive element, comprising: measuring an ultraviolet intensity with the ultraviolet sensitive element at a sun altitude; and determining an integrated ultravi... | 06/05/2007 |
| 7224286 | Solar panel having visual indicator A solar panel incorporating a selectively actuable energy availability indicator arrangement. The arrangement includes a visual indicator, such as an LED, and a selectively actuable button. Actuation of the button completes a circuit to read the level of energy avai... | 05/29/2007 |
| 7206514 | Wireless object counter A battery powered transmitter circuit has a LED of a continuously cycling microcomputer transmit a beam of a predetermined number of infrared pulses at predetermined time periods to a sensor of a battery powered receiver circuit. Only a clock circuit of each circuit... | 04/17/2007 |
| 7205544 | Dynamic emergency radiation monitor A dynamic radiation monitor having a detector coupled to a computer to determine at any given location, the amount of time a person has before a pre-selected maximum permissible radiation exposure is received. The device dynamically calculates and outputs the user's... | 04/17/2007 |
| 7205903 | Interactive and dynamic electronic floor advertising/messaging display Embodiments of the present invention relate to a floor display system comprising a floor covering and an electronic display device associated with the floor covering. The electronic display device is able to display electronically modifiable arbitrary content. The f... | 04/17/2007 |
| 7205891 | Real-time wireless video exposure monitoring system A real-time wireless video exposure monitoring system comprising an exposure monitor, located at a field site, which detects the level of an environmental contaminant and supplies corresponding data via a serial data port to a serial-to-wireless bridge for real-time... | 04/17/2007 |
| 7202794 | Flame detection system A flame detection system includes a plurality of sensors for generating a plurality of respective sensor signals. The plurality of sensors includes a set of discrete optical radiation sensors responsive to flame as well as non-flame emissions. An Artificial Neural N... | 04/10/2007 |
