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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 6107925 | Method for dynamically adjusting criteria for detecting fire through smoke concentration A fire detector is equipped with a smoke detector and electrical circuitry for declaring a fire alarm if a smoke concentration based fire detection criteria is satisfied. A CO2 detector is included in the fire detector for forming an a priori e... | 08/22/2000 |
| 6104299 | Device for monitoring pollution caused by motor vehicles in an urban area Apparatus for monitoring pollution generated by motor vehicles in an urban area, said area being equipped with a plurality of items of street furniture, each of which is provided with data acquisition and processing means (11, 21) for acquiring and proces... | 08/15/2000 |
| 6072398 | Automatic gas detection system An automatic gas detection system 10 for vehicles 100 wherein a carbon monoxide sensor 20 is disposed within the passenger compartment 101 of the vehicle 100 and the output of the sensor 20 is fed to a microprocessor control member 50 that will activate a... | 06/06/2000 |
| 6067022 | Low input pressure alarm for gas input The invention provides an in-line low supply pressure alarm device powered solely by supply flow of pressurized gas from a gas supply for providing an alarm signal when supply gas pressure is below a selected minimum pressure. The alarm device includes a ... | 05/23/2000 |
| 6060991 | Detecting method and apparatus using a programmable memory device for storing a digitized reference value A detecting apparatus includes a processing device connected to a sensor, a programmable memory device and an alarm device. The sensor generates a signal output that varies according to a detected condition. The processing device includes a converting uni... | 05/09/2000 |
| 6057755 | Automotive carbon monoxide detection system A vehicle carbon monoxide detection system 10 including internal 20 and external 40 carbon monoxide sensors operatively associated with the vehicle cab 150 and connected to a computer 60 that will selectively activate one of the sensors 20, 40 in response... | 05/02/2000 |
| 6053030 | Instrument information and identification system and method The present invention is an instrument identification system and method for a confined space gas detector used to assure user safety conditions or to collect gas concentration and gas type data at a multitude of known predetermined locations. The system c... | 04/25/2000 |
| 6049283 | Gas detecting apparatus The presence of a serviceable electrochemical gas sensor (1) in gas detecting apparatus is determined on the basis of the noise in the output of a sensor amplifier. A microcomputer (22) calculates mean, rms or variance values for the noise in the output o... | 04/11/2000 |
| 6040777 | Device and process for indicating the exhaustion of a filter A device and a process for indicating the exhaustion of an adsorption filter to indicate a necessary filter change in time is provided. The monitoring device has a gas concentration-measuring device (8), a temperature-measuring device (9) for determining ... | 03/21/2000 |
| 6036595 | Safety system for smoke and fumes A detector in a space to be sensed and controlled gives an electrical signal upon fumes in the space reaching a predetermined level. An electrical circuit is thereby energized to operate a fan to exhaust the space. Inlet and outlet openings in the structu... | 03/14/2000 |
| 6031454 | Worker-specific exposure monitor and method for surveillance of workers A person-specific monitor that provides sensor information regarding hazards to which the person is exposed and means to geolocate the person at the time of the exposure. The monitor also includes means to communicate with a remote base station. Informati... | 02/29/2000 |
| 6027693 | Sealed replaceable sensor A gas detector having a sealed sensor assembly is only exposed to the ambient atmosphere when the detector is to be placed in the service. The detector is placed in the service by removing an elongated planar adhesive backed sealing member. The gas sensor... | 02/22/2000 |
| 6011479 | Personal continuous air monitor A personal continuous air monitor capable of giving immediate warning of the presence of radioactivity has a filter/detector head to be worn in the breathing zone of a user, containing a filter mounted adjacent to radiation detectors, and a preamplifier. ... | 01/04/2000 |
| 5990798 | Atomic absorption photometer with a safety monitor An atomic absorption photometer includes a microprocessor which is programmed so as to affirmatively create an unsafe condition by lowering the pressure inside the flow route of a combustion improving gas and to check if the gas switch in this flow route ... | 11/23/1999 |
| 5990789 | System and method for preventing smoke and fire damage to people and equipment in a clean room area from a fire A method and system for preventing smoke and fire damage in a clean room within which a tool including an electrically powered element is located. The method includes the step of providing the tool with a system including a fire proof housing, a sensor, a... | 11/23/1999 |
| 5973603 | House/garage smoke detector A house and garage alarm system is provided including at least one detector housing with a smoke and/or carbon monoxide detector situated therein. A power source is situated within the detector housing. An alarm housing is included which is connected to t... | 10/26/1999 |
| 5969623 | Gas alarm A gas detector is disclosed which includes a CO sensor and a processor. The CO sensor senses an environmental CO concentration and provides a variable electrical output in response. The processor receives digitized samples of the sensor's electrical outpu... | 10/19/1999 |
| 5966079 | Visual indicator for identifying which of a plurality of dangerous condition warning devices has issued an audible low battery warning signal In order to facilitate determination of which of a plurality of dangerous condition warning devices is issuing an audio failing battery signal, the device incorporates a circuit including: a processor, an audio annunciator such as a horn, at least one vis... | 10/12/1999 |
| 5966078 | Battery saving circuit for a dangerous condition warning device In a processor controlled, battery operated dangerous condition warning device employing a DC-to-DC converter, the converter selectively operates at two voltage outputs. A first output voltage is used when a sensor is polled and when audio visual devices,... | 10/12/1999 |
| 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 |
| 5955659 | Electrostatically-actuated structures for fluid property measurements and related methods A fluid property sensor includes a substrate having a first electrode thereon, and a flexible member adjacent the substrate and the first electrode wherein the flexible member includes a second electrode. A signal generator generates a predetermined elect... | 09/21/1999 |
| 5953682 | Automated gas cylinder tracking system An automated gas cylinder monitoring system includes: a data storage collar associated with a gas cylinder including a resident memory and an insulated housing, the insulated housing being configured for coupling with a gas cylinder; a read/write probe fo... | 09/14/1999 |
| 5952924 | Method and apparatus for enforcing hygiene The present invention is a system for encouraging workers who work in a hygienically controlled area to wash their hands before exiting an associated sanitation area. Broadly, the present invention comprises a housing located in the sanitation area for re... | 09/14/1999 |
| 5949341 | Safety system for a materials handling device A safety system (10) for a materials handling device, for example fork lift truck, conveyor, comprises a sensing head (11) linked to a pressurization control unit (12). The sensing head (11) monitors the level of explosive vapors in proximity to the devic... | 09/07/1999 |
| 5948962 | Gas detection system with interchangeable gas sensors A codable gas detection system with at least one interchangeable gas sensor (2), which has standardized plug-type connections (5,6) between the gas sensor (2) and the measuring device (1), but is also able to prevent measured values of an unauthorized gas... | 09/07/1999 |
| 5945069 | Gas sensor test chip A polymeric gas sensor utilizes a variety of electrode geometries to generate varied responses to selective gases. The characteristic response to various gases of each electrode geometry permits the construction of a gas sensor having desirable and reprod... | 08/31/1999 |
| 5939994 | Automatic surveillance device A surveillance device, e.g. a fire alarm or an intrusion detector, includes a mount having a connector block, and an insert having a sensor assembly, a printed circuit board with evaluation electronics, and an electrical contact to the connector block. Th... | 08/17/1999 |
| 5936531 | Electrical fire sensing and prevention/extinguishing system An electrical fire sensing and fire prevention/extinguishing system which senses properties of electrical fires in cabinets having electrical circuits or circuit boards and detects sparks for detecting an electrical short in the electrical circuits or cir... | 08/10/1999 |
| 5917420 | Smoke/fire detector for the hearing impaired An alarm apparatus for shaking a piece of furniture in response to detection of a physical occurrence, such as smoke, fire, CO2, or even a burglar, is provided. The apparatus includes a detector for detecting the physical occurrence and emittin... | 06/29/1999 |
| 5917417 | Smoke detection system A method of detecting the content of impurity in a gaseous medium has the steps of continually detecting impurities in the gaseous medium, emitting analyzing signals that vary with variation in impurity content, and statistically analyzing the emitted sig... | 06/29/1999 |
| 5912626 | Dangerous condition warning device incorporating provision for permanently retaining printed protocol instructions A dangerous condition warning device issues an alarm when a sensed dangerous condition exceeds a predetermined status and has an associated card carrying imprinted protocol and instruction information which is intended to be permanently linked with the de... | 06/15/1999 |
| 5912624 | Infant's sleep time monitor A framework is adapted to connect to a top of an infant's crib. A plurality of carbon dioxide detectors are attached to the framework. The carbon dioxide detectors are decorated for viewing pleasure of the infant. An alarm and a processor are provided. Th... | 06/15/1999 |
| 5898374 | Sump alarm with radon detection A galvanic cell is formed when ground water within a sump reservoir, tub or other pool, rises to contact electrodes constructed of dissimilar metals, the electrodes mounted in a bridge, with recessing, expansion brackets, to facilitate covering the sump h... | 04/27/1999 |
| 5896088 | Incipient fire detection system A method and apparatus for an incipient fire detection system that receives gaseous samples and measures the light absorption spectrum of the mixture of gases evolving from heated combustibles includes a detector for receiving gaseous samples and subjecti... | 04/20/1999 |
| 5896089 | Dual carbon monoxide detection system with gas cut off and alarm capabilities A dual carbon monoxide detection system is provided including a gas furnace having a heat exchanger with a supply air duct for delivering heated air and a return air duct for receiving air to be heated. The gas furnace further has a gas input line for rec... | 04/20/1999 |
| 5896091 | Dangerous condition warning device incorporating a replaceable sensor and apparatus to prevent the sensor from being improperly installed A dangerous condition warning device for issuing an alarm when a dangerous condition is sensed incorporates a circuit including a replaceable dangerous condition sensor, a processor coupled to the sensor for periodically determining the ambient concentrat... | 04/20/1999 |
| 5889467 | Method of monitoring a leakage rate from the envelope of high voltage electrical apparatus The method consists in: i) making a series of recordings of the density of the gas at regular time intervals during a nighttime period by means of a temperature-compensated pressure sensor fixed on the outside of the envelope and communicating with the ga... | 03/30/1999 |
| 5886638 | Method and apparatus for testing a carbon monoxide sensor A CO concentration monitoring device operating under the control of a processor periodically checks the CO sensor to insure its ongoing integrity and to issue a distinctive audio signal to a user if sensor integrity has become suspect. The periodic integr... | 03/23/1999 |
| 5883577 | Multi station smoke detectors A smoke detector that comprises three different power sources. First one is the 110/220 volt AC house current, through a step down transformer or that can be hard wired into the home or factory. Second one is a moveable 9 volts rechargeable backup battery... | 03/16/1999 |
| 5867105 | Wireless alarm system A wireless alarm system for generating alarm signals discernible to the hearing impaired. The system includes a detection unit having a smoke or carbon dioxide detector which generates a signal upon sensing the occurrence of smoke or carbon dioxide. A tra... | 02/02/1999 |
