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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8154415 | Detector A detector comprises a detector base (1) and first and second detector elements (2 & 3) each having a respective electronic interface (2a, 3a). The detector base (1) has electronic interfaces (1a)... | 04/10/2012 |
| 7978087 | Fire detector A fire detector operating by the scattered radiation principle is described, having at least one radiation transmitter and at least one radiation receiver, whose beam paths form a scattering volume. The fire detector includes, in addition to at least one first radia... | 07/12/2011 |
| 7884731 | Photoelectric smoke sensor and lighting equipment The photoelectric smoke sensor includes a casing member 1 having an internal space S formed by a labyrinth wall 1b and an opening 6 communicating with the internal space S on a setting-face side; and a printed board 8 placed on the... | 02/08/2011 |
| 7847700 | System and method for an optical particle detector A system and method is provided for an improved sensor for detecting particles in air such as smoke particles from a fire. The detector includes a laser diode that generates a light beam that is spread by a lens to fill a specific area of the interior of a sensing c... | 12/07/2010 |
| 7834773 | Smoke detector A smoke detector having a structure in which, at a time of performing smoke detection, an S/N ratio of a signal of a light receiving element is improved, to thereby accurately detect the occurrence of a fire. At opposite end portions of an inside of an optical case ... | 11/16/2010 |
| 7817049 | Combined scattered-light and extinction-based fire detector A fire detector has at least two sensor units for monitoring a confined space for the occurrence of a fire. A first fire parameter is monitored according to the scattered light method, using a first sensor unit located at or in the vicinity of the ceiling. At least ... | 10/19/2010 |
| 7786880 | Smoke detector A smoke detector having a closed internal optical path can detect airborne particulate matter, such as smoke from a fire, via a light scattering sensor and/or a light absorption sensor. The path can be implemented with a plurality of reflectors, such as piezoelectri... | 08/31/2010 |
| 7777634 | Scattered light smoke detector A scattered light smoke detector containing an optoelectronical assembly for measuring scatter signals detected below at least one forward scatter angle and at least one backscatter angle and evaluation electronics for determining an alarm value in accordance with t... | 08/17/2010 |
| 7746239 | Light scattering type smoke detector A light scattering type smoke sensor includes a sensor body, light-emitter for emitting light toward an open smoke-sensing space and outputting a light-received signal according to the amount of scattering light received, and a fire judging unit for judging whether ... | 06/29/2010 |
| 7616126 | Optical particle detectors A particle sensor is provided that includes a light source, an optical transducer, and a controller, wherein the controller is in communication with the light source and the optical transducer. The controller is configured to reject substantially all signals except ... | 11/10/2009 |
| 7602304 | Multi-sensor device and methods for fire detection Multiple parameter fire detection uses outputs from one or more radiant energy sensors in combination with outputs from smoke or thermal sensors to shorten response times to alarm while minimizing nuisance alarms. The radiant energy related outputs can be used to al... | 10/13/2009 |
| 7551096 | Multi-sensor device and methods for fire detection Multiple parameter fire detection uses outputs from one or more radiant energy sensors in combination with outputs from smoke or thermal sensors to shorten response times to alarm while minimizing nuisance alarms. The radiant energy related outputs can be used to al... | 06/23/2009 |
| 7495573 | Camera vision fire detector and system Wide area camera vision systems can respond to variations in light beams projected into a region being monitored. The variations are indicative of the presence of smoke in the region. In addition to providing viewable images of the region being monitored, analysis s... | 02/24/2009 |
| 7474227 | Multiwavelength smoke detector using white light LED A smoke detector includes a smoke detection chamber containing a white light LED and a light detector. The light detector detects light within at least two distinct optical wavelength bands, and generates respective signals indicative of the intensities of the detec... | 01/06/2009 |
| 7369057 | Power generator and power generator auxiliary monitoring A generator monitoring system and method includes a plurality of sensors (12) disposed within a generator enclosure (18) to sense health conditions of a generator (10) housed within the enclosure. The sensors are interconnected to provide a sing... | 05/06/2008 |
| 7365648 | Fire alarm A fire alarm for an installation via a housing that is flush with the ceiling, having at least one light source arranged in the housing and at least one light receiver arranged in the housing, as well as a shutter disk, which seals the housing. To prevent the spread... | 04/29/2008 |
| 7365846 | Scattered light smoke detector The smoke detector contains an optical measuring chamber, having a sensor arrangement (2) with at least one light source (12, 12′) and one light receiver (11), and a labyrinth system (7) with screens (16) arranged on the peripher... | 04/29/2008 |
| 7348875 | Semi-passive radio frequency identification (RFID) tag with active beacon A radio frequency beacon device for use with a backscatter interrogator includes a processor; a receiver coupled to the processor; a backscatter modulator coupled to the processor; and an active transmitter coupled to the processor, the active transmitter being conf... | 03/25/2008 |
| 7339154 | Level detector A level detector includes a light receiving element unit having a plurality of light receiving elements; a first amplifier circuit configured to amplify a light receiving signal; a first gain switching circuit; a first peak hold circuit; an arithmetic control device... | 03/04/2008 |
| 7335885 | Ultra low power NDIR gas sensor fire detector A fire detector and method for generating an alarm signal in response to a fire uses an NDIR sensor to generate a detector signal based upon one or more absorption bands selected from the 15.1μ absorption band of CO2, the 6.27μ absorption band of H2O and the 4.67Î... | 02/26/2008 |
| 7324218 | Method and device for distance measurement The present invention relates to a device (10) for distance measurement, with at least one transmitting branch (14) with a transmission source (22, 24) for a measurement signal for emitting a modulated measuring beam (16, 26, 36) in the d... | 01/29/2008 |
| 7324004 | Cargo smoke detector and related method for reducing false detects A method for reducing false detects may include emitting an infrared light beam from a primary emitter to a primary monitor detector, measuring a first voltage value using a primary receive detector and setting a primary smoke alarm flag corresponding to a primary c... | 01/29/2008 |
| 7312714 | Ambient condition detector with time delayed function An ambient condition detector includes a time delay function whereby a user initiates a functionality test of the detector and has time to move away from the vicinity of the detector before a potentially hearing damaging, audible report is issued from the detector u... | 12/25/2007 |
| 7309867 | Methods and apparatus for characterization of tissue samples The invention provides methods for determining the probability that a given region of a tissue sample contains tissue of a given category, such as CIN 1 (cervical intraepithelial neoplasia, grade 1), CIN 2/3 (cervical intraepithelial neoplasia grades 2 and/or 3), no... | 12/18/2007 |
| 7310547 | Fluorescent fiberoptic probe for tissue health discrimination A system and method for the in situ discrimination of healthy and diseased tissue. A fiberoptic based probe is employed to direct ultraviolet illumination onto a tissue specimen and to collect the fluorescent response radiation. The response radiation is observed at... | 12/18/2007 |
| 7295128 | Smoke detection methods, devices, and systems The present invention is directed to a system and method for accessing home monitoring devices remotely via a distributed wide-area network (WAN). More specifically, the present invention is directed towards a smoke detector system, which monitors for the presence o... | 11/13/2007 |
| 7292338 | Particle detection apparatus and particle detection method used therefor A particle detection apparatus and a detection method used therefor, which can detect dust, pollen and smoke particles at a high sensitivity with a sufficiently simple configuration. A particle detection apparatus has a light source and a detection device for detect... | 11/06/2007 |
| 7282723 | Methods and apparatus for processing spectral data for use in tissue characterization The invention provides methods for processing tissue-derived spectral data for use in a tissue classification algorithm. Methods of the invention comprise application of spectral and/or image masks for automatically separating ambiguous or unclassifiable spectral da... | 10/16/2007 |
| 7280039 | Fire sensor and fire sensor status information acquisition system A status information determining and outputting device updates the oldest data stored in a memory using a captured A/D value, finds an average value of six stored data items by calculation, and stores the calculated value in the memory as a current sensitivity. A st... | 10/09/2007 |
| 7262705 | Recessed detector assembly for detecting and venting airborne substances A recessed detector assembly having the capability to detect and evacuate air laden with airborne substances from within the assembly. The assembly includes a detector frame adapted to be flush mounted into a mounting box mounted in a ceiling or a wall, the frame ha... | 08/28/2007 |
| 7260248 | Image processing using measures of similarity The invention provides methods of relating a plurality of images based on measures of similarity. The methods of the invention are useful in the segmentation of a sequence of colposcopic images of tissue, for example. The methods may be applied in the determination ... | 08/21/2007 |
| 7259858 | Imaging apparatus having media sensing system A system for sensing imaging media along a transport path. System includes a light source positioned proximate to a selected location along transport path. A transducer in optical alignment with light source so as to receive light from light source after light cross... | 08/21/2007 |
| 7259665 | Battery backed service indicator aids for field maintenance A self-contained backup power source such as a battery is provided for components within an electrically powered device such as a storage controller, photocopier or the like, to maintain diagnostic status data and to power a service indicator aid, or diagnostic indi... | 08/21/2007 |
| 7250871 | Particulate detector An apparatus and method are provided for detecting presence in gas of transient particulate above its normal zero or acceptable level within a duct (4), said apparatus comprising at least one emitter (2) of illumination selected from infra-red, ultravi... | 07/31/2007 |
| 7248156 | Combination airborne substance detector A combination airborne substance detection apparatus includes an enclosure, a first module disposed within the enclosure for detecting the presence of a quantity of a first airborne substance, a second module disposed within the enclosure for detecting the presence ... | 07/24/2007 |
| 7248173 | Smoke detector A dark chamber is adapted to accommodate smoke particles. A photo emitter and a photo detector are disposed in the dark chamber. In a first region, a region where light emitted from the photo emitter passes and a region where the photo detector is capable of detecti... | 07/24/2007 |
| 7242309 | Gas detection system A gas detection system capable of suppressing the power consumption of the system using gas sensors required for heating for measurement at high accuracy, comprising a server and a plurality of gas sensors connected by way of wireless communication with the server, ... | 07/10/2007 |
| 7239387 | Fire detection method and fire detector therefor The sensitivity of scattered-light fire detectors for small particles can be increased substantially when blue light is introduced into the measuring volume in addition to an infrared radiation and the scattered radiation produced by the particles is measured and ev... | 07/03/2007 |
| 7233254 | Lowerable smoke detector A lowered smoke detector is disclosed. It comprises a sensor and a mounting system. The mounting system includes a frame, a securing device, a reel, a flexible member, a mounting adaptor, an activator, and a cover. The frame is mounted to the wall with the securing ... | 06/19/2007 |
| 7233253 | Multiwavelength smoke detector using white light LED A smoke detector includes a smoke detection chamber containing a white light LED and a light detector. The light detector detects light within at least two distinct optical wavelength bands, and generates respective signals indicative of the intensities of the detec... | 06/19/2007 |
