Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 7327247 | Fire detection system and method using multiple sensors Outputs from a plurality of different ambient condition sensors are cross correlated so as to adjust a threshold value for a different, primary, sensor. Cross-correlation processing can be carried out locally in a detector or remotely. To minimize false alarming, th... | 02/05/2008 |
| 7319392 | Glassbreak alarm recorder for false alarm verification A glass breakage detector (100) having an acoustic transducer (102) for sensing first acoustic waves (130) and for providing a first analog signal (110) representative of the received first acoustic waves (130), an analog to digita... | 01/15/2008 |
| 7286704 | Imaging fire detector An imaging fire detector is used to detect a fire from a recorded image sequence. Either a video camera or an infrared camera is used as an imaging device. Characterizing parameters of a fire are either analyzed individually or in combination. In order to detect cha... | 10/23/2007 |
| 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 |
| 7118272 | Method and apparatus for optically detecting and locating a fire in an enclosed space Thermally reactive elements of an intumescent material that expands when heated above a trigger temperature are arranged in an enclosed space, e.g a freight compartment of an aircraft. An optical sensor in the enclosed space has a field of view encompassing the elem... | 10/10/2006 |
| 7068177 | 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... | 06/27/2006 |
| 7046154 | Flame-monitoring device The invention relates to a flame-monitoring device in which an a.c. input voltage (U1) is limited to a voltage limit (U2) by means of a voltage limiter (4). Said voltage limit (U2) is applied to a flame sensing device (7) which ope... | 05/16/2006 |
| 7009497 | Method of distinguishing the presence of a single versus multiple persons A plurality of sensors are positioned in a home. Sensor fire data is delivered to a remote server, and the sensor fire data is segmented into single-state blocks broken up by door opening and closing events. The door opening and closing events represent potential st... | 03/07/2006 |
| 6967582 | Detector with ambient photon sensor and other sensors A sensor of incident ambient photons is combined, in a detector with one or more sensors responsive to other types of ambient parameters such as gas, humidity, temperature or the like. Outputs from the sensors are processed to establish the existence of one of a haz... | 11/22/2005 |
| 6927394 | Fire detector with electronic frequency analysis A process and system for flame detection includes a microprocessor-controlled detector with a first sensor for sensing temporal energy in a first optical frequency range, and a second sensor for sensing temporal energy in a second optical frequency range. The tempor... | 08/09/2005 |
| 6904334 | Robot apparatus and method for controlling the operation thereof A robot apparatus which may be turned to a sound source direction by a spontaneous whole-body concerted operation. With the possible range of rotation of the neck unit of a robot apparatus 1 of ±Y° and with the relative angle of the direction of a sound sou... | 06/07/2005 |
| 6882280 | Electronic message center for a refrigerator A refrigerator adapted for playing and recording voice messages is disclosed. The refrigerator includes a cabinet for enclosing a refrigerating compartment, the cabinet having a door for providing access to the refrigerating compartment, a message center operatively... | 04/19/2005 |
| 6788208 | Method for controlling stationary fire-extinguishing systems A method and a fire-alarm system controls stationary fire-extinguishing systems. The fire-alarm devices of the fire-alarm system are equipped with one or more detectors. If at least one pre-adjustable alarm threshold of a fire identification characteristic is reache... | 09/07/2004 |
| 6788197 | Fire alarm A fire alarm having an electronic evaluator, an optical module, a temperature sensor, and at least one combustion gas sensor, where the electronic evaluator diagnoses one of a plurality of fire types and selects an application-specific algorithm based on the diagnos... | 09/07/2004 |
| 6614353 | Constant-temperature liquid circulating device having a proportional valve based predictive system for pre-estimating a need for maintenance In a constant temperature liquid circulating apparatus, in order to determine parts and locations requiring maintenance work and maintenance time intervals before the occurrence of an irregular operation, so that any downtime in operation of a constant te... | 09/02/2003 |
| 6529133 | Repository and monitoring system therefor A repository including: an input unit (3) for setting the temperature of the interior (2) of a repository (1); a measuring unit (5,6) for measuring the temperature of the interior of the repository (1); a controller (4) for holding ID data to specify the ... | 03/04/2003 |
| 6469623 | Smoke detector maintenance and verification tool A smoke detector verification system, which includes a smoke detector, a portable computer system and an optical receiver, verifies the operation of the smoke detector. The smoke detector includes a light emitting diode (LED) that is periodically modulate... | 10/22/2002 |
| 6329922 | Fire detector and noise de-influence method It is prevented that a malfunction occurs because of a noise. A smoke detection section samples as a smoke detection signal a signal digitized after being output from a light reception section when a light emission section glows, and updates a previous sm... | 12/11/2001 |
| 6320501 | Multiple sensor system for alarm determination with device-to-device communications A multi-unit ambient condition detecting system incorporates either a wired or a wireless communication medium wherein the units are in bi-directional communication with one another. Units can incorporate programmed processors and ambient condition sensor... | 11/20/2001 |
| 6288638 | Heat detector having an increased accuracy alarm temperature threshold and improved low temperature testing capabilities A heat detector that includes a temperature sensing and testing circuit that provides an increased accuracy temperature sensing range and a push-to-test circuit that is electronically functional at low ambient temperatures. The heat detector includes a se... | 09/11/2001 |
| 6246321 | Movement detector A device having an image-providing sensor, hereinafter designated as "image sensor," operating in the visible and near-infrared range, an thermal image-providing sensor, hereinafter designated as "thermal-image sensor," operating in the thermal radiation ... | 06/12/2001 |
| 6236320 | Determination of an ambient temperature through the comparison of divided voltages A temperature determining apparatus produces a predetermined reference voltage from an operating voltage supplied thereto from the outside, divides the reference voltage with a pair of resistance values having different temperature-resistance characterist... | 05/22/2001 |
| 6157305 | Crop frost prediction system A crop frost prediction system (20) is provided. The system (20) exposes a thermally radiant surface (22) to atmosphere (26) and senses the temperature of the thermally radiant surface (22). The sensed temperation, alone or in combination with other varia... | 12/05/2000 |
| 6137402 | Method for arming a security system A method of arming a security system comprising one or more send-only RF sensor. The method comprises the steps of receiving a request to arm the system from a keypad, determining if a faulted status exists in the receiver/controller, if a faulted status ... | 10/24/2000 |
| 6121883 | Method and device for fluid pressure analytical electronic heat and fire detection A method for fluid pressure analytical electronic heat and fire detection, and a corresponding heat detector, used for detecting heat and fire, having no moving component, such as a valve, switch, membrane, diaphragm, or similar actuatable device of movin... | 09/19/2000 |
| 6046452 | Process and system for flame detection The present invention provides a highly sensitive, intelligent, reliable, and effective process and system for detecting fire, which may be used in any industrial or other environment. The process and system for flame detection in accordance with the pres... | 04/04/2000 |
| 5999096 | Metering apparatus with tamper detector Apparatus, for example postage metering apparatus is described as being provided with tamper detection means. The tamper detection means may comprise an electrically conductive or resistive first layer extending between a wall of a secure housing and comp... | 12/07/1999 |
| 5977871 | Alarm reporting system A controlling interface unit is linked to a plurality of event sensors associated with a premises. There is at least one manner of establishing communication, using wired communication lines or radio transmissions between this interface unit and, on the o... | 11/02/1999 |
| 5966077 | Fire detector A fire detector with a maximum average response time of less than 1.5 minutes is obtained by combining a smoke detector with a CO2 detector that uses NDIR sensor technology. The smoke detector is used to detect smoldering fires and to help prev... | 10/12/1999 |
| 5798700 | False alarm resistant fire detector with improved performance A fire detector having a greatly reduced frequency of generating false alarms. An AND gate is responsive to outputs from first and second fire detector modules that are responsive to the detection of first and second characteristics of a fire, respectivel... | 08/25/1998 |
| 5726637 | Alarm and safeguard system A set of first and second detecting units detects an emergency. First and second pseudo-emergency generating units generate a pseudo-emergency for the first and second detecting units. A driving unit alternately drives the first and second pseudo-emergenc... | 03/10/1998 |
| 5726633 | Apparatus and method for discrimination of fire types A multiple sensor smoke detector includes at least an ionization and a photoelectric sensor. Outputs from the sensors are fed to circuitry for generating continuously variable coefficients. One coefficient corresponds to each sensor output. Respective coe... | 03/10/1998 |
| 5671159 | Fire detecting apparatus A fire detecting apparatus is designed to have improved reliability by reducing the possibility that the apparatus is influenced by an environmental change, external noise or the like which would otherwise cause erroneous fire information to be sent to a ... | 09/23/1997 |
| 5627515 | Alarm system with multiple cooperating sensors A fire alarm system includes a control unit which communicates with a plurality of spaced apart smoke detectors by a bi-directional communications link. The smoke detectors are separate from one another, and spaced apart, and are associated together in di... | 05/06/1997 |
| 5621389 | Apparatus for detecting a fire having a liquid filled sensor tube and compensation for changes in ambient temperature A fire detection system includes an elongated liquid filled tube with a fluid coupled alarm switch, with a flexible diaphragm which senses a change from the liquid to vapor phase in the presence of an overheat or fire condition to provide an alarm. To pre... | 04/15/1997 |
| 5592147 | False alarm resistant fire detector with improved performance A fire detector having a greatly reduced frequency of generating false alarms. An AND gate is responsive to outputs from first and second fire detector modules that are responsive to the detection of first and second characteristics of a fire, respectivel... | 01/07/1997 |
| 5574434 | Alarm for heat multistaged detecting An alarm for multistaged heat detection is provided. The alarm provides a multi-point detecting structure by applying a digital operation unit. The alarm has both pre-alarm and normal alarm modes. The digital operation unit coordinates the sound and light... | 11/12/1996 |
| 5557262 | Fire alarm system with different types of sensors and dynamic system parameters A fire alarm system utilizes outputs from different types of fire sensors, such as photoelectric smoke sensors or ionization type smoke sensors and combines those outputs by subtraction so as to establish a delay interval during which one or both of the s... | 09/17/1996 |
| 5552763 | Fire alarm system with sensitivity adjustment A fire alarm system automatically adjusts sensitivity of individual sensors based on evaluation of background level over a period of time. High sensor signals which do not trigger a fire alarm may, after a delay time, result in decreased sensitivity to av... | 09/03/1996 |
| 5539381 | Fixed threshold and rate of rise heat detector with dynamic thermal reference A heat detector uses a single comparator operating in conjunction with a dynamically changing thermal reference that ensures quick response to rapid rates of thermal change and a fixed threshold that indicates an ambient temperature exceeds a threshold te... | 07/23/1996 |
