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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 |
| 7423520 | Noise suppressing circuit A noise suppressing circuit comprises: windings (W11, W12) inserted to conductor lines (3, 4) at respective points (P11a, P11b) and coupled to each other through a magnetic core (11); a winding (W13) cou... | 09/09/2008 |
| 7385493 | Tire inflation pressure detection apparatus A tire inflation pressure detection apparatus includes a detection portion provided in a tire of a vehicle for detecting a tire inflation pressure, a transmitting portion for wirelessly transmitting a signal of a tire inflation pressure information, a receiving port... | 06/10/2008 |
| 7352282 | Communication system A communication system includes a power line, a plurality of PLC networks connected to the power line in common, and an electronic control unit for controlling an electric equipment, connected to the power line between the PLC networks. The electronic control unit i... | 04/01/2008 |
| 7319280 | Power line coupler adapted for use with multiple communication systems using different frequency spectra Devices and system for interfacing multiple power line communications (PLC)-enabled communication devices in a building are disclosed. In various embodiments, the system can include a high-frequency transformer coupled to a high-frequency communications device, a lo... | 01/15/2008 |
| 7307520 | Systems and methods for direct current system digital carried message conveyance The systems and methods of the present invention provide for conductive emissions communication without requiring dedicated communications wires. The systems and methods have the capability to send digital messages over the same wires that are used to power DC syste... | 12/11/2007 |
| 7250848 | Power line communication apparatus and method of using the same The present invention provides a communication device for use with a power line communication system. One embodiment of the present invention forms a bypass device and comprises a LV coupler, a LV signal conditioner, a controller, a MV modem, a first MV signal condi... | 07/31/2007 |
| 7215245 | Activator circuit responsive to power line disturbances An activator circuit responsive to power line disturbances. In condition of false alarm, the user will toggle a local light switch causing electrical disturbances on the power line. The activator circuit detects these disturbances and activates an output, which is f... | 05/08/2007 |
| 7199699 | Facilitating communication with power line communication devices The invention includes a method, system, and device for communicating a data signal with a low voltage premise network. The inventive method comprises communicating the data signal with the low voltage premise network, substantially reducing attenuation of the data ... | 04/03/2007 |
| 7194528 | Method and apparatus for processing inbound data within a powerline based communication system A powerline based communication system includes a powerline termination module, a plurality of powerline gateways, and a plurality of powerline nodes. The powerline termination module manages data for local area networks within the powerline based communication syst... | 03/20/2007 |
| 7187276 | Power line communication system and method of using the same The fiber optic isolator of the present invention transports data signals between high voltage power lines and a communications interface device, bypassing a step down transformer to low voltage power. The communication interface device includes a low voltage power ... | 03/06/2007 |
| 7183901 | Local network using an electrical power distribution system and associated reflection device The invention concerns a local network for the transfer of information among several communication devices connected to an alternating current electrical power distribution system with a pre-determined frequency, the information conveyed in the local network being t... | 02/27/2007 |
| 7176786 | Method of isolating data in a power line communications network The present invention provides isolation between a power line local area network and another network such as a power line wide area network. In one embodiment of the present invention, a filter device is installed on the power line supplying power to a structure in ... | 02/13/2007 |
| 7167081 | Communication module and process for networking within and between powered communication devices over a multi-phase power distribution system or subsystem This invention allows the communication of mission critical data to devices that communicate within the same, or a separately connected, power distribution system. Devices operate by being connected to a power distribution system, subsystem, and or different but con... | 01/23/2007 |
| 7154382 | Arrangement of inductive couplers for data communication There is provided a system including (a) a first inductive coupler for coupling a data signal between a port of the first inductive coupler and a first subset of a plurality of electrically parallel conductors, and (b) a second inductive coupler for coupling the dat... | 12/26/2006 |
| 7148788 | Method for transmitting high-frequency signals to low-frequency networks and corresponding system It is a known fact that even information signals in the kilohertz and megahertz range can be transmitted via the bus systems of power transmission networks. The invention provides a method and a system for improving the transmission behavior by feeding the signals n... | 12/12/2006 |
| 7091849 | Inbound interference reduction in a broadband powerline system Disclosed is a method and apparatus for reducing inbound interference in a broadband powerline communication system. Data modulated on first and second carrier frequencies is received via respective first and second lines of the powerline system. A characteristic of... | 08/15/2006 |
| 7079012 | System and method for distributing broadband communication signals over power lines The present invention is directed to a method for decreasing high frequency (HF) radiation emission in a power line. The method involves transmitting a utility power signal over the power line and transmitting a high frequency communication signal over the power lin... | 07/18/2006 |
| 7064654 | Power line communication system and method of operating the same A system for operating a power line communication system is provided. One embodiment is comprised of a plurality of network elements, which may take the form of repeaters, bypass devices, backhaul devices, wireless backhaul devices, enhanced bypass devices, communic... | 06/20/2006 |
| 7049939 | Power line carrier system The power line carrier system provides with a filter in a power branch apparatus removable from an external power line. The filter passes a power line carrier signal in a signal mode for the external power line, and interrupts another power line carrier signal which... | 05/23/2006 |
| 7042339 | Plug-in single phase power line signal repeater with low voltage bus A control system and method suppress noise in a power-line-based system which has a device repeater connected to an electrical device, and which may be capable of remote control by signals transmitted through the power-line-based system. The control system includes ... | 05/09/2006 |
| 6693509 | Coding and decoding system for wireless telecommunication A coding and decoding system for wireless telecommunication comprises a wireless telecommunication device and a personal card. The wireless telecommunication device consists of a first piezoelectric substrate, a coded IDT, a first electrode-group, a first... | 02/17/2004 |
| 6667685 | Power line noise filter In a power line noise filter, a detection circuit detecting variations in electric current in two conductive lines of an electric power line, thereby detecting common mode noise that causes a change in electric current in the power line. A phase-inverted ... | 12/23/2003 |
| 6633228 | Communication system for simultaneous two-channel transmission of data between subscribers A communication system having at least two communication subscribers unidirectionally or bidirectionally exchanging data that are electrically connected to one another via at least one network cable which is in turn, connectible to a network termination v... | 10/14/2003 |
| 4845466 | System for high speed digital transmission in repetitive noise environment A transceiver system for high speed, low bit-error rate data communications over a.c. power lines in the presence of repetitive impulse noise includes an a.c. power line coupling network, a power line communications modem, and a microprocessor with a memo... | 07/04/1989 |
| 4815106 | Power line communication apparatus A power line communication system specially designed for use in local area network (LAN) configurations has receiver and transmitter sections for fast, highly reliable data communication. The receiver includes controlled adaptive second order filters for ... | 03/21/1989 |
| 4809296 | Method for transmitting data via the lines of a power supply system A method for transmitting data via the power system line of a power supply system by carrier frequency modulation, wherein an improvement in the reliability of transmission is achieved by transmitting the same information several times in succession (time... | 02/28/1989 |
| 4806929 | Remote monitor control system A remote monitor control system comprises a single master station having the function of communication in synchronism with communication clocks for generating various commands required for monitor and control, and a plurality of terminal stations having t... | 02/21/1989 |
| 4788448 | Power transfer of direct current with inductive couplings A source of DC electrical power (A) provides DC electrical power to a power transmission cable (B) which extends to a remote location, such as a subsea module (D). The power transmission cable is connected with a pair of rectifiers (20a, 20b), each allowi... | 11/29/1988 |
| 4772870 | Power line communication system A low-level, low-power radio frequency (RF) communications system designed to operate as a point-to-point power line communications sytem (PLC) utilizing frequencies from 50 to 600 MegaHertz (MHz) superimposed onto the AC power signal in a building.... | 09/20/1988 |
| 4745392 | Noise reduction in signal transmission system over building power distribution wiring A signal transmission system over building or house wiring includes noise reduction circuit to reduce noise including asynchronous noise and synchronous noise. Received pulses are sampled in a given interval and the number of continous pulses in question ... | 05/17/1988 |
| 4697166 | Method and apparatus for coupling transceiver to power line carrier system A method and apparatus for efficiently coupling a transceiver to an AC power line transmission system. The preferred embodiment of the coupling system comprises a line coupling network and first and second filter ports. The first filter port is connected ... | 09/29/1987 |
| 4656593 | Multi-function load controller for carrier load control subsystem A low cost, software based, 4 bit microprocessor is pin configurable to function either as a central controller in a communication and control network or as a slave load control unit in said network. The microprocessor when configured as a slave unit can ... | 04/07/1987 |
| 4577333 | Composite shift keying communication system A Composite Shift Keying (CSK) modulation technique is described which provides enhanced error detection capability in a noisy transmission medium, such as an AC power line. A modulating binary signal causes the generation of two of three possible transmi... | 03/18/1986 |
| 4569045 | 3-Wire multiplexer The invention provides a 3-wire multiplexing system exhibiting high noise immunity, particularly suitable for industrial control applications. A master station provides AC power, and clocking and synchronization information, for a plurality of remote tran... | 02/04/1986 |
| 4559520 | Method for communication utilizing multi-mode reception A method for improving signal quality while simultaneously enhancing the data rate in a communications system in which individual signaling events are, at least in principle, capable of representing a bit of digital intelligence. When the method is applie... | 12/17/1985 |
| 4556865 | Data transmission system utilizing power line A data transmission system utilizing a power line comprises a transmitter (1), a receiver (2) and a repeater (5) coupled to a power line (3). Control data including a start code in the form of a high frequency signal is transmitted from the transmitter (1... | 12/03/1985 |
| 4554532 | Automatic receiver gain control in centralized monitor system A centralized monitor system can be automatically controlled so that the signal receiving levels in each component of the system can be held at an optimum position even in the presence of noise components, since they are totally free from any failure caus... | 11/19/1985 |
| 4538136 | Power line communication system utilizing a local oscillator Disclosed is a power line transmission system which generates a narrow band multi-frequency shift keyed signal having a first predetermined frequency representing a first state of information (e.g., a "0") and a second predetermined frequency representing... | 08/27/1985 |
| 4463341 | Single conductor multi-frequency electric wiring system for vehicles A wiring system for use in vehicles wherein a common single conductor bus is utilized for both power and control function transmission. A plurality of transmitters attached to the bus receive power from the bus and supply control signals to the bus as req... | 07/31/1984 |
| 4417207 | Circuit for injecting simulating-noise signals in a power line A simulated-noise signal is injected in the power line of equipment under test without loss of AC power by the use of a series resonance circuit having a resonance frequency equal to the frequency of the AC power supply. The series resonance circuit is co... | 11/22/1983 |
