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Document Title |
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5646608 |
Apparatus and method for an electronic device control system
Each of plural electronic devices, e.g., a television receiver, a video disc player, a video tape recorder, an audio amplifier, and a compact disc player which are placed in an audiovisual room has...
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5640140 |
Alarm processing apparatus
The alarm processing apparatus has fault detection means which detect faults with regard to specific individual items, and which are provided in constituent elements, which have redundancy; fixed...
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5598418 |
Repeater status LED array interface
An interface to an indicator array for providing status information from a repeater used in a computer network. The interface multiplexes status value signals from the repeater provided to a group...
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5598278 |
System configuration method for audio-video apparatus with digital bus interface
Connection patterns as many as possible can be managed by less standard patterns. Connected states of a VTR (30), a VTR (40), a VTR (50), a VTR (60), an MDP (70), a tuner (80) and an AV center...
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5539388 |
Telemetry and control system
A telemetry and control system is disclosed for use in direct current power wiring applications, such as those used in automobiles or other vehicles. The system includes a master transmitter which...
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5481250 |
CRT operation apparatus
A CRT operation apparatus comprising a CRT display for displaying an image of a plant, including the icons of the terminal devices incorporated in the plant, a low-rank controller for controlling...
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5467078 |
System and method for communicating data between plural air conditioning machines for controlling the machines and displaying their status
A communicating system has at least two air conditioning machines which are connected to a primary interface and a secondary interface, respectively. The primary interface is connected to a primary...
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5467079 |
Incoming message processing method in plurality of terminal equipments and terminal equipment executing said method
In a plurality of terminal equipments connected to one line, in each of the terminal equipments a delay time by which a response from the terminal equipment when in an abnormal state is delayed, is...
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5442343 |
Ultrasonic shelf label method and apparatus
An apparatus and method for ultrasonically communicating information from a source to a destination and for acknowledging receipt of that information by the destination. The apparatus includes at...
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5394447 |
Critical function and success path summary display
The content of and hierarchical access to three levels of display pages containing information on critical function monitoring and success path monitoring.
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5365515 |
Network monitor and test apparatus
An apparatus for monitoring and testing a twisted pair, particularly useful for an Ethernet network. First and second DC currents alternated with one another are applied to both ends of the line,...
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5353316 |
Alarm acknowledgement in a nuclear plant control room
Alarm acknowledgment can be made not only at the alarm tile array of a given console but via other touch sensitive alarm indications in the screen displays of the monitoring system at the same or...
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5349162 |
Fault detection method and apparatus for a domestic appliance
A cooking appliance or an electronic control for a cooking appliance and a method of controlling the same including a remote control which has built-in temperature sensor, positional switch and...
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5321629 |
Facility inspection support apparatus
A facility inspection support apparatus having portable terminal equipment (2) for collecting on the field basis a patrol inspection result at each site of plant facilities, and a processor (1) for...
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5294921 |
Elevator communications bus analyzer
A method for allowing access to data frames on an elevator communications bus includes (a) disconnecting a remote station 117 from the communication bus 24; (b) connecting the elevator...
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5276445 |
Polling control system for switching units in a plural stage switching matrix
A matrix switching apparatus includes a plurality of switching units connected in tandem, each switching unit having a plurality of input terminals and a plurality of output terminals. There are a...
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5251302 |
Network interface board having memory mapped mailbox registers including alarm registers for storing prioritized alarm messages from programmable logic controllers
A network interface board provides a communication link between a personal computer and a network bus connecting a plurality of programmable logic controllers. The network interface board mounts in...
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5245331 |
Multiple adapter response detection circuit
An adapter response circuit indicates the number of adapters on a link responding to a given address and hence permits the detection of possible data collisions. Each adapter responding to the...
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5241482 |
Monitoring system for automated assemblies
An automated production line monitoring system is presented to provide; setting and control of process parameters necessary to operate the various automated processing machine units installed on...
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5233342 |
Remote control system
A remote control system is employed with a view to realization of automated/unattended control in supervisory control of power equipment, transportion/traffic equipment, building equipment, home...
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5200744 |
Interactive plant monitoring system
An interactive plant monitoring system in which a plurality of interactive functions for monitoring a plant are displayed on a CRT display in a predetermined order, and an input to the plurality of...
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5194758 |
Automatic switching circuit
Voltage sensing circuitry monitors the signal input lines of a standard RS232 serial data interface. The voltage levels at the inputs of the interface are compared to known voltages to determine if...
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5184119 |
Unauthorized utility use monitor apparatus and method
A system for monitoring use of a utility at a consumer's premises is disclosed. The system may include monitoring apparatus to detect use of the utility, a first register to store an indicator...
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5155480 |
Event reporting using a two-wire non-blocking bus structure
An apparatus for non-blocking event reporting from event reporting units to a monitoring circuit includes a first and second common wire coupling the units to the monitoring circuit. A constant...
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5148158 |
Emergency lighting unit having remote test capability
An emergency lighting system includes a lighting unit having a battery which is kept in a charged condition in the presence of voltage on a power line to which the unit in connected. Upon loss of...
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5126729 |
Automated chemical storage and chemical feed system
An automated chemical storage and chemical feed system for a use station to chemically treat and monitor a process at a use station where the process is being run, including one or more base...
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5089974 |
Building technical management controller with a two-wire data and power transmission line
A building power management controller comprises a plurality of modules connected by a two-wire network. Each module comprises a data transceiver device, controlled by a microprocessor to both...
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5027279 |
Method and apparatus for remotely controlling a document inserter
A document inserter has a touch screen for manually controlling the functioning of the inserter from a central location. The touch screen is capable of providing a plurality of different displays....
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5017837 |
Indicator lamp system
An indicator lamp indicates the status of an electrically-powered load control system by providing dim light when the load power is off and a brighter light when the load power is on. In another...
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4988988 |
Central monitoring and alarming system
A central monitoring and alarming system for monitoring and alarming an abnormal condition, for example fire and gas leakage, includes a central monitoring station having a memory device and a...
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4989081 |
Home-bus-information system
A home-bus-information display system arranged such that the control status of each of a plurality of home apparatus can be monitored via home bus-lines and additively displayed over a video...
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4952926 |
Selective clearing of latched circuits
An alarm system includes a controller and a plurality of transponders having different addresses. Certain of the transponders include switch means for monitoring conditions, and latch circuits to...
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4924416 |
Apparatus for detecting relative crowding in a hall
An apparatus detects the degree of crowding in an elevator hall utilizing a television camera to provide video signals which are stored as video data and including an illumination controller which...
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4866594 |
Gas cylinder monitor and control system
A system for monitoring and controlling distributed functions within a building, such as the pressure and temperature of gases stored within cylinders. A plurality of modules are located at...
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4853685 |
Switch monitoring arrangement with remote adjustment capability having debounce circuitry for accurate state determination
An independent transmitter/receiver, or a transponder in a communication system, receives signals distorted by outside, unwanted conditions such as noise, line capacitance, and so forth. The status...
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4825207 |
Monitoring of fluids
An arrangement for monitoring conditions of a fluid comprising a first station incorporating a detector and transmitter assembly including a plurality of condition sensors, each of which is adapted...
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4805519 |
Control system
A system for controlling the operation of a plurality of dampers serving ventilation apertures in the structure of a building, which system comprises a plurality of actuators, one or more to be...
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4788647 |
Control system for electric power plant
An integrated control system for a power plant having a generator, a turbine, a gate for controlling flow through the turbine, a voltage regulator, a bus and a main circuit breaker. The control...
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4774510 |
Monitoring annunciator apparatus
A monitoring annunciator apparatus for monitoring the status of field contact points, which apparatus cooperates with one or more contact points utilizing a single signal wire for each monitored...
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4739326 |
Fault flag driver
The present apparatus relates to nonvolatile fault flags for use in aircraft. The term "flag" refers to an electromechanical indicator which displays a human-readable signal which identifies a...
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4736367 |
Smart control and sensor devices single wire bus multiplex system
Control of a plurality of relay drivers by smart control devices and the continuous status monitoring of a plurality of switches and associated smart sensors, wherein each smart control device and...
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4680582 |
Information reporting multiplex system
An information reporting system is disclosed wherein a plurality of remote stations each receive synchronization signals from a master station, the synchronization signals initiating a timing...
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4628478 |
Remote data controller for a communication system
The communications system may include wireless two-way communications equipment having selectable functions and various operational features. Control modules each include mechanisms for providing...
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4604619 |
Apparatus and method for multiple mode remote control switching
A remote controlled switching apparatus for controlling the operation of a device having a plurality of modes of operation. In the apparatus there is provided a first switch assembly responsive to...
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4575720 |
Data acquisition transmitter and receiver
A transmitter has a plurality of parallel inputs, and each input is connected to a switch. The transmitter receives a trigger signal that has a constant frequency. Using the trigger signal, the...
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4573114 |
Valve control unit and system for use therewith
A valve control unit for use in a valve control system of the type wherein a plurality of valves each mounting a valve control unit are controlled by a remote controller and only a single...
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4568935 |
Data reporting system
In apparatus for communicating data by repetitively completing and opening an electric circuit, the improvement which comprises a light source inserted in the circuit to provide a visible train of...
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4563682 |
Scanning temperature display system
A scanning display system for providing a sequential display of a number of temperature signal inputs. The inputs are coupled through a multiplexer to sequentially produce single output signals,...
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4551719 |
Oil field lease management and security system and method therefor
The oil field lease management and security system and method of the present invention for monitoring oil field equipment and for communicating with authorized operators. The system of the present...
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4528458 |
Self-diagnostic redundant modular power supply
A redundant modular power supply having a plurality of modules including a redundant module is disclosed which includes an apparatus for testing for a fault in any of the modules of the power...
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