William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7915997 | System and method for remote activation with interleaved modulation protocol A system and method for remote activation of a device includes, in one embodiment, transmitting a command message according to a first modulation, and transmitting a signal representing the command message for the device according to a second modulation. The signal ... | 03/29/2011 |
| 7443920 | Frame-based carrier frequency and phase recovery system and method Header information is used to facilitate coarse frequency and frame recovery. The coarse frequency and frame recovery is thereafter utilized to perform adaptive phase and frequency synchronization on a frame-by-frame basis. A digitized signal representative of a wir... | 10/28/2008 |
| 7418246 | Physical layer unit for transmitting or receiving various signals, wireless LAN system including the same, and wireless LAN method using the wireless LAN system A physical layer unit (PLU) for receiving (and transmitting) various signals, a wireless Local Area Network (LAN) system including the PLU, and a wireless LAN method using the wireless LAN system. The wireless LAN system is capable of receiving signals of different ... | 08/26/2008 |
| 7414516 | System and method for remote controlling and monitoring electric home appliances A system for remote controlling and monitoring a home appliance includes a first home appliance having a master function, at least one second home appliance having a slave function, and a communication line path for communication only between the first home applianc... | 08/19/2008 |
| 7401134 | Packet processing architecture A system for processing data packets comprising a plurality of data processing blocks and a controller, which allows the configuration parameters used in processing the data blocks to be updated in each data processing blocks at the data packet boundary. The present... | 07/15/2008 |
| 7366959 | Managing method of electrical device, management apparatus, electrical device, communications device, program therefor, and management system of electrical device A communications processing section of a management apparatus sends a request for malfunction information via the Internet to one or more electrical devices being managed. A database manager of the management apparatus refers to data stored in a database and updates... | 04/29/2008 |
| 7363093 | Control system for a multi-compartment dishwasher A multi-compartment dishwasher includes first and second washing units defining corresponding first and second washing tubs or chambers. The dishwasher also includes first and second control boards operatively associated with the first and second washing units respe... | 04/22/2008 |
| 7340545 | Distributed peer-to-peer communication for interconnect busses of a computer system There is provided a distributed peer-to-peer communication system for interconnect busses of a computer system. More specifically, there is provided a method comprising transmitting a request to establish an isochronous channel between a first device and a second de... | 03/04/2008 |
| 7308613 | Managing method of electrical device, management apparatus, electrical device, communications device, program therefor, and management system of electrical device A communications processing section of a management apparatus sends a request for malfunction information via the Internet to one or more electrical devices being managed. A database manager of the management apparatus refers to data stored in a database and updates... | 12/11/2007 |
| 7271727 | Dual frequency radio tag for a radio frequency identification system A dual frequency radio tag for a radio frequency identification system is provided that includes an antenna system and a first receiver coupled to the antenna system. The first receiver receives and processes request signals from a first unit type at a first frequen... | 09/18/2007 |
| 7234083 | System and method for transferring information in a computer system A computer system that includes a controller that comprises a failure circuit and a management system is provided. The controller is configured to provide information to the management system at a first time, and the failure circuit is configured to cause the inform... | 06/19/2007 |
| 7225273 | Interface apparatus provided between two remote control systems having different transmission modes In an interface apparatus provided between a first remote control system of polling communication system and a second remote control system of contention communication system, a control section executes at least one processing of the following processings based on m... | 05/29/2007 |
| 7161329 | Generator controlling system The operation of a generator and the loads placed on the generator are controlled in response to measuring the loads and generator operating parameters and controllably altering the operating conditions in response to comparison of the measurements to respective set... | 01/09/2007 |
| 7139488 | Optical communication unit An optical communication unit has a pair of cable-side communication units provided for a full duplex communication system connected to each other with a pair of optical fiber cables, has apparatus-side communication units provided for full duplex communication syst... | 11/21/2006 |
| 7136724 | Electrical power distribution system for street lighting The invention comprises an electric power distribution system for providing power to a plurality of loads. An energy reduction device receives high voltage electrical power from a utility. A processor controls three variable transformer windings to produce electrica... | 11/14/2006 |
| 7127631 | Single wire serial interface utilizing count of encoded clock pulses with reset A single wire serial interface for power ICs and other devices is provided. To use the interface, a device is configured to include an EN/SET input pin. A counter within the device counts clock pulses sent to the EN/SET input pin. The output of the counter is passed... | 10/24/2006 |
| 7050394 | Framer A method includes extracting packets from within a received frame, generating digests of the extracted packets, and hashing the generated digests. ... | 05/23/2006 |
| 7019636 | Electronic system with a multiple access protocol and method of multiple access The electronic system, especially a security system, includes a number of different units that access a network according to a multiple access protocol, which is designed to minimize collisions between frames while reducing bandwidth requirements. The units may moni... | 03/28/2006 |
| 6958677 | Object location monitoring system An object location monitoring system includes beacons that are spatially distributed throughout an area to be monitored. The beacons transmit interrogation signals that are received and echoed by transponders that attach to moveable objects. Each beacon retransmits ... | 10/25/2005 |
| 6954151 | Selector switch for supervisory remote control system A selector switch for a supervisory remote control system is provided. This control system comprises operation terminals such as switches and control terminals such as relays, and a signal line for connecting a signal transmission unit to the operation and control t... | 10/11/2005 |
| 6913087 | System and method for communicating over power terminals in DC tools A system and method for unidirectionally or bi-directionally communicating information and data to and from an electronic module housed within a cordless power tool, over power terminals of the cordless power tool, while a battery pack of the tool is removed from th... | 07/05/2005 |
| 6894609 | Electrical power control and sensor module for a wireless system A module having a switch, a processor, a motion detector and a wireless transceiver. The module controls the operation of an electrical load, such as a light, based on the switch position, programming executing on the processor, an output from the motion detector or... | 05/17/2005 |
| 6831555 | Method and apparatus for dynamically monitoring system components in an advanced process control (APC) framework A method and system for monitoring a performance of at least one system component of a manufacturing system. At least one event that can occur within the system is defined. It is determined whether the at least one event has occurred within the system, and altering ... | 12/14/2004 |
| 6819259 | Remote control system and timing method for operation thereof The present invention provides a system for remote control of a plurality of driving apparatuses with transmitters. Each transmitter includes: a data transmission device for transmitting data including identification information peculiar to each transmitter and cont... | 11/16/2004 |
| 6433689 | System for supervision and control of objects or persons A system for supervision and control of objects or persons within a limited area, such as a building, comprising a plurality of electronic identification chips for placing on respective objects/persons to be supervised/controlled, each chip having stored ... | 08/13/2002 |
| 6297724 | Lighting control subsystem for use in system architecture for automated building An electrical power control system is adapted for controlling power and lighting in a building. Switch controls have either relays or triacs, controlled by microprocessors, to switch power on electrical branch circuits. An interface device 122 communicate... | 10/02/2001 |
| 6020825 | Theatrical lighting control network A theatrical lighting control network which incorporates a local area network for communication among a number of node controllers and control consoles or devices employed in establising lighting or other effects levels in a theater, film production stage... | 02/01/2000 |
| 5986539 | Hafe-duplex two-wire DC power-line communication system A powerline communication system comprises a master and slave configuration in which the master provides both operating power and control commands to the slave over a single pair of wires. The slave, in turn, is able to communicate its status to the maste... | 11/16/1999 |
| 5978352 | Multiplex transmission system A multiplex transmission system is made up of a master load control unit which is connected to a multiplex transmission network and is capable of executing a multiplexing operation based on control specification information as a master system, slave load ... | 11/02/1999 |
| 5969631 | Method and control system for the synchronized transmission of digital data In a method and system for transmitting digital data, a data acceptance clock signal generator that has a controllable clock frequency in a peripheral module is correspondingly adapted to clock frequency information derived from a synchronization pulse tr... | 10/19/1999 |
| 5838226 | Communication protocol for transmission system for controlling and determining the status of electrical devices from remote locations A communication protocol for a two way transmission system having at least one first transmitter/receiver device, at least one second transmitter/receiver device and at least one repeater for relaying signals between the first and second devices. The prot... | 11/17/1998 |
| 5838249 | Control/supervisory signal transmission/reception system A control/supervisory signal transmission/reception system includes a central station and a number of local stations which are interconnected by a common data line carrying a three-level voltage signal so as to transfer data signals between the central an... | 11/17/1998 |
| 5764155 | Dynamic data exchange server A dynamic data exchange (DDE) server which allows external programs to access power management data is presented. The DDE server provides a mnemonic cross reference between register items and standardized, alphanumeric parameter names. This mnemonic inter... | 06/09/1998 |
| 5764647 | Data link module for time division multiplexing control systems A programmable data link module (32) for use in a time division multiplexing control system (30) having a plurality of modules interconnected by a bus (40) for passing control signals between data link modules on a serial multiplex basis. Each module incl... | 06/09/1998 |
| 5748616 | Data link module for time division multiplexing control systems A programmable data link module is used on a time division multiplex data bus and includes a system master clock signal. The module is functional as an input device, an output device, or both as an input and output device. It receives data from the data b... | 05/05/1998 |
| 5726988 | Module with data verification for a serial multiplex data system A programmable data link module is used on a time division multiplex data bus having a repetitive time frame, each time frame having a plurality of time slots. The module receives data from the data bus during a selected time slot for a selected number of... | 03/10/1998 |
| 5682949 | Energy management system This document describes an energy management system in which microprocessor based thermostats are used to control individual room temperatures in a multiple room building in accordance with the known occupancy status of the room. The occupancy status info... | 11/04/1997 |
| 5684343 | Data link module for time division multiplexing control systems A programmable data link module (32) for use in a time division multiplexing control system (30) having a plurality of modules interconnected by a bus (40) for passing control signals between data link modules on a serial multiplex basis. Each module incl... | 11/04/1997 |
| 5506577 | Synchronizer for pulse code modulation telemetry The invention is a method of synchronizing a digital telemetry receiver to a digital telemetry transmitter. The method includes the steps of initializing the sampling period of the receiver, measuring the detection time of each signal event detected by th... | 04/09/1996 |
| 5499243 | Method and apparatus for coordinating transfer of information between a base station and a plurality of radios To efficiently coordinate the transmission of information from a plurality of radios to a base station on the forward channel of an RF channel, transmission time on the forward channel is scheduled by the base. To be allowed to transmit information on the... | 03/12/1996 |