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| Number | Title | Issue Date |
| 7907047 | Apparatus and method for synchronizing visual/audible alarm units in an alarm system An apparatus and concomitant method of reducing the number of synchronization pulses transmitted to the alarm units for increasing the reliability of the overall alarm system is disclosed. The synchronization signal is implemented as a reference or reset signal from... | 03/15/2011 |
| 7403096 | Apparatus and method for synchronizing visual/audible alarm units in an alarm system An apparatus and concomitant method of reducing the number of synchronization pulses transmitted to the alarm units for increasing the reliability of the overall alarm system is disclosed. The synchronization signal is implemented as a reference or reset signal from... | 07/22/2008 |
| 7369037 | Programmable multicandela notification device An alarm system notification device includes a strobe, a communication port, a manual selector that allows manual selection of strobe intensity, and a communication port through which the device transmits an indication of a selected strobe intensity. The device may ... | 05/06/2008 |
| 7289023 | Supervised guard tour tracking systems and methods The present invention comprises systems and methods for addressing exceptions (i.e., alarms) associated with a guard tour according to a predefined hierarchy. The exception is generated automatically based on data associated with the guard tour, as typically collect... | 10/30/2007 |
| 7286048 | Supervised guard tour systems and methods The present invention comprises systems and methods for addressing exceptions (i.e., alarms) associated with a guard tour according to a predefined hierarchy. The exception is generated automatically based on data associated with the guard tour, as typicdally collec... | 10/23/2007 |
| 7245226 | Integrated microprocessor controlled alarm Alarms are often required on various vehicles and equipment such as fork lifts, dump trucks, bulldozers, etc. An alarm is disclosed controlled by a microprocessor, which is an integral part of the basic circuit. The alarm has a flat diaphragm, and a novel acoustic l... | 07/17/2007 |
| 7242314 | Strobe unit with current limiter A variable output strobe unit includes a variable current limiting circuit to limit peak current draw after each flash. Parameters of strobe output and current limiting circuit are related and can be set manually or electronically. ... | 07/10/2007 |
| 7218205 | Variable candela strobe with constant trigger voltage A variable candela strobe unit couples a substantially constant trigger voltage to a trigger electrode of a gas discharge tube irrespective of the voltage provided across the tube which is specified by a selected candela output value. The trigger voltage is great en... | 05/15/2007 |
| 7190215 | Method and apparatus for sensing current and voltage in circuits with voltage across an LED Methods and apparatuses to sense current and voltage in circuits with voltage drop. In one aspect of the invention, a sense circuit includes a first diode, a first resistor and a light emitting diode (LED). The first resistor is coupled to the first diode. The first... | 03/13/2007 |
| 7154379 | Premise evacuation system An evacuation system using a combination of elements, such as an on-site weather station (2), a computer system (1) with proprietary software, sensors and other elements to determine a safe direction of evacuation from a premises (11) in case of... | 12/26/2006 |
| 7142093 | Fire alarm module A fire alarm system comprises one or more fire alarm addressable modules (3), which interface with a fire alarm loop (1) along which data and power may be transmitted, and a voice alarm system comprising one or more amplifiers (6) connected to r... | 11/28/2006 |
| 7079026 | Method and apparatus of karaoke storage on a wireless communications device A wireless communications device that alerts a user to a predetermined event includes a transceiver, a speaker, memory, and a controller. First and second pre-recorded audio files are stored in the memory, and may be, for example, pre-recorded music and the user's p... | 07/18/2006 |
| 7079011 | Apparatus and method for synchronizing visual/audible alarm units in an alarm system An apparatus and concomitant method of reducing the number of synchronization pulses transmitted to the alarm units for increasing the reliability of the overall alarm system is disclosed. The synchronization signal is implemented as a reference or reset signal from... | 07/18/2006 |
| 7057663 | Audio synchronization pulse for multi-camera capture systems A multi-camera capture system includes an audio synchronization marker to provide synchronization marks with the video streams captured by the multi-camera capture system. In one embodiment of the present invention, the audio synchronization marker generate a plural... | 06/06/2006 |
| 7053766 | Self-testing system and method Newly installed electrical units emit, for a brief install interval, an “installed” output either audibly or visually, or both in response to an install mode input signal. After the install interval, the “installed” output ceases. As more units are installed... | 05/30/2006 |
| 7006003 | Multi-candela emergency strobe light A jumper, by its insertion at a particular position of a circuit board, selects one of plural strobe intensities. The jumper includes a flag listing available strobe intensity values. The flag is seated in a pocket when the jumper is inserted onto the circuit board,... | 02/28/2006 |
| 6970078 | Methods and apparatus for generating a data structure indicative of an alarm system circuit A user of a computer aided design (CAD) system graphically places fire alarm elements, such as smoke detectors, sirens, and sources on a drawing area. After one or more of the elements are placed, the disclosed methods and apparatus automatically determine a series ... | 11/29/2005 |
| 6965203 | Method and circuit for repetitively firing a flash lamp or the like Disclosed is a method and circuit for repetitively firing a flash lamp. The method utilizes a power supply having a periodic voltage signal. The method times the discharge of the flash lamp to occur when the power supply signal is below the flash lamp self extinguis... | 11/15/2005 |
| 6906616 | Apparatus and method for synchronizing visual/audible alarm units in an alarm system An apparatus and concomitant method of reducing the number of synchronization pulses transmitted to the alarm units for increasing the reliability of the overall alarm system is disclosed. The synchronization signal is implemented as a reference or reset signal from... | 06/14/2005 |
| 6861951 | Methods and apparatus for generating a data structure indicative of an alarm system circuit A user of a computer aided design (CAD) system graphically places fire alarm appliances, such as smoke detectors and sirens, in a drawing area. After elements are placed and physical paths are determined, a series of electrical circuit connections between alarm sour... | 03/01/2005 |
| 6833783 | Processor based strobe with feedback Strobe control circuitry combines several approaches to limit in-rush current. One circuit limits initial circuit response to an applied voltage that has been switched from an inactive to an active state. Other circuitry switches from a high input impedance state to... | 12/21/2004 |
| 6778081 | Fire department station zoned alerting control system An alerting system for fire stations utilizes programmable message centers, zone-coded lighting and audio modules to alert only selected personnel for a particular type of emergency, i.e. fire, medical, etc. to decrease response time while reducing stress to remaini... | 08/17/2004 |
| 6661337 | Processor based strobe with feedback Strobe control circuitry combines several approaches to limit in-rush current. One circuit limits initial circuit response to an applied voltage that has been switched from an inactive to an active state. Other circuitry switches from a high input impedan... | 12/09/2003 |
| 6646545 | Color-coded evacuation signaling system A battery powered, illuminated, color-coded evacuation signalling system embodying symbols and text messages in any language or combination of languages, configured by LED's in a network of floor laid display units installed in land-based buildings or mar... | 11/11/2003 |
| 6642844 | DIRECT DISPATCHERLESS AUTOMATIC VEHICLE-TO-VEHICLE AND NON-VEHICLE TO VEHICLE POLICE/EMERGENCY MEDICAL SERVICE NOTIFICATION SYSTEM FOR LIFE THREATENING ACCIDENTS, HIJACKINGS, THEFTS AND MEDICAL EMERGENCIES A time-critical automatic, instantaneous and direct (dispatcherless) vehicle to vehicle, auto-routing Police/Emergency Medical Service vehicle, notification and response system that provides interactive and direct communication between a vehicle, non-vehi... | 11/04/2003 |
| 6583718 | Apparatus and method for synchronizing visual/audible alarm units in an alarm system An apparatus and concomitant method of reducing the number of synchronization pulses transmitted to the alarm units for increasing the reliability of the overall alarm system is disclosed. The synchronization signal is implemented as a reference or reset ... | 06/24/2003 |
| 6535121 | Fire department station zoned alerting control system An alerting system for fire stations utilizes programmable message centers, zone-coded lighting and audio modules to alert only selected personnel for a particular type of emergency, i.e. fire, medical, etc. to decrease response time while reducing stress... | 03/18/2003 |
| 6369696 | Apparatus and method for synchronizing visual/audible alarm units in an alarm system An apparatus and concomitant method of reducing the number of synchronization pulses transmitted to the alarm units for increasing the reliability of the overall alarm system is disclosed. The synchronization signal is implemented as a reference or reset ... | 04/09/2002 |
| 6194994 | Apparatus and method for synchronizing visual/audible alarm units in an alarm system An apparatus and concomitant method of reducing the number of synchronization pulses transmitted to the alarm units for increasing the reliability of the overall alarm system is disclosed. The synchronization signal is implemented as a reference or reset ... | 02/27/2001 |
| 5982275 | Synchronized video/audio alarm system An audio/visual alarm system which includes multiple microprocessor-controlled alarm units connected in a common loop to a fire alarm control panel and an interface control circuit. The interface control circuit causes brief interruptions in power to the ... | 11/09/1999 |
| 5760678 | Manual modular pull station A pull box for an emergency alarm system is disclosed having a modular construction that accommodates one or more optional modules in order to provide a wide variety of possible configurations. Also, the basic design of the pull station provides for its r... | 06/02/1998 |
| 5751210 | Synchronized video/audio alarm system An audio/visual alarm system which includes multiple microprocessor-controlled alarm units connected in a common loop to a fire alarm control panel and an interface control circuit. The interface control circuit causes brief interruptions in power to the ... | 05/12/1998 |
| 5608375 | Synchronized visual/audible alarm system An audio/visual alarm system which includes multiple microprocessor-controlled alarm units connected in a common loop to a fire alarm control panel and an interface control circuit. The interface control circuit causes brief interruptions in power to the ... | 03/04/1997 |
| 4455548 | Call system and methods and apparatus for operating same An improved call system has a signal sending apparatus, a message receiving station located at a distance from the sending apparatus, and signal generating means located at the receiving station. The signal sending apparatus includes a call box for select... | 06/19/1984 |
| 4155042 | Disaster alert system A disaster alert system is disclosed which consists of two major sub-systems. The first sub-system is a central disaster alert station which transmits coded R.F. activation signals specifying the geographic area and/or the official personnel to be alerted... | 05/15/1979 |
| 4118694 | Base loop code transmitter A solid state code transmitter adapted for use with a conventional local fire alarm system in connection with installations that include a McCulloh loop circuit for the transmission of signals to a central proprietary fire alarm surveillance point. The tr... | 10/03/1978 |
| 4010461 | Alerting system with dual-address memory A dual address paging receiver is described having page memory for automatically storing a page in the mode addressed if the user does not reset the receiver within a prescribed time interval after an alert signal is started. After a page is stored it can... | 03/01/1977 |
