Abstract: A method of filling a fluid dispenser is provided and a method for operating power driven pump in a dispenser is provided.

Abstract: A protection circuit including an input interface; an output interface; a current sensor connected between an input terminal and an output terminal; first and second HEMT transistors of normally closed type connected in series with the current sensor and connected in series by way of a connection node; a transformer, a primary winding of which is connected to the terminals of the current sensor; a rectifier bridge exhibiting two input terminals connected to the terminals of a secondary winding of the transformer, and exhibiting output terminals, an output terminal of the rectifier bridge being connected to the control gates of the transistors, an output terminal of the rectifier bridge being connected to the connection node.

Abstract: The disclosure is related to a method of selecting one of access points based on multiple quality parameters in different frames. The method may include receiving a probe response frame from access points, analyzing quality parameters included in the received probe response frame to estimate wireless link quality of each access point, and selecting one of the access points based on the analysis result.

Abstract: In one embodiment of the present invention, a method includes switching between a first address space and a second address space, determining if the second address space exists in a list of address spaces; and maintaining entries of the first address space in a translation buffer after the switching. In such manner, overhead associated with such a context switch may be reduced.

Abstract: The disclosure is related to a method of selecting one of access points based on multiple quality parameters in different frames. The method may include receiving a probe response frame from access points, analyzing quality parameters included in the received probe response frame to estimate wireless link quality of each access point, and selecting one of the access points based on the analysis result.

Abstract: An anti-theft system, especially in the form of an access and/or starting system for a vehicle has a vehicle-mounted receiver for receiving a request signal containing the instruction to find out whether objects that are associated with the vehicle, e.g. lost identifiers, are located in specific areas of the vehicle. The anti-theft system further has a vehicle-mounted control and evaluation unit for verifying whether the objects are in the specific areas of the vehicle and outputting information on whether an object that is associated with the vehicle has been found. The anti-theft system finally has a vehicle-mounted transmitter for transmitting a result signal containing the information on whether objects have been found. Such an anti-theft system allows an identifier, for example, which is associated with a user, to start a search from a distance in order to verify whether certain objects are located near or inside the vehicle.

Abstract: A system and method for centralized security screening of packages including baggage. The system creates images and data concerning baggage to be reviewed, packetizes the data long with additional identification information, and conveys the data packets to a central screening location. All analysis of the baggage information is accomplished in a centralized way with risk assessments being provided to each image. Upon sensing of a package or baggage of concern, alerts may be sent to the screening location for action. Artificial intelligence tools are used to pre-screen images to assist with workload assignment.

Abstract: A method and system for a lead mobile asset to verify that a remote mobile asset under the control of the lead mobile asset is following a set of command functions broadcast by the lead mobile asset in a command message. The lead and remote mobile assets may be part of a train consist equipped with a distributed power communication system. The method includes determining whether the lead mobile asset has received a status reply message from the remote mobile asset, the reply message transmitted in response to the remote mobile asset's receipt of the command message and including data indicative of at least one operational state of the remote mobile asset. A help command message may be broadcast from the lead mobile asset if the lead mobile asset has not received the status reply message from the remote mobile asset.

Abstract: A Keypad Annunciator Graphical User Interface, (KAGUI), for use by an operator of a process control system for presenting and responding to alarm state data generated by the process control system, is disclosed. The KAGUI provides an interactive display of a keypad annunciator on a monitor display screen. A panel manager display and a dynamic icon enhance operator awareness, in a multi-window display environment, of alarms. The KAGUI synchronizes alarm data presented by the KAGUI with process control system alarm data and informs the operator of the status of interprocess communication.

Abstract: In one embodiment of the invention, either a CPRU or an RNC in a wireless local loop performs digit analysis to identify whether an emergency 911 call is in progress by setting an internal indicator. When the emergency 911 caller goes on-hook during an emergency call, the CPRU will direct a re-alert of the emergency caller should the internal indicator indicate that the call is an emergency 911 call. In an alternate embodiment, digit analysis is only performed at a CO in a telephone network coupled to the wireless local loop. When the emergency 911 caller goes on-hook during an emergency call, the wireless network places itself into a pending disconnect state, thereby allowing the CO to direct a re-alert of the emergency caller.

Abstract: Multiple field units in a CDMA system are synchronized for communication with a base station using shared forward and reverse link channels. In an illustrative embodiment, each field unit is assigned a time slot in a forward link channel to receive messages from the base station. Likewise, each field unit is assigned a time slot on a common reverse link channel for transmitting messages to the base station. Timing alignment and power level control among each of many field units and the base station is achieved by analyzing messages received at the base station in a corresponding time slot as transmitted by each field unit. Thereafter, a message is transmitted from the base station in a corresponding time slot to a particular field unit for adjusting its timing or power level so that future messages transmitted from the field unit are received in the appropriate time slot at the base station at a desired power level.

Abstract: An RF tag (10) includes a plurality of RF resonant circuits (14, 18, 22) which are disposed in a three-dimensional array within a body (30) of solid material. Selected ones of the RF resonant circuits are coated with a conductive ink (36) for programming the RF tag. Non-planar RF resonant circuits (40, 50) provide enhanced directivity. The RF resonant circuits (14, 40, 50) are disposed within an elongated body (72, 82, 94) in spaced apart and substantially axially aligned relation to provide elongated RF tag configurations. An RF tag assembly (110) includes attachment mechanisms (116, 118) for attaching an RF tag (128) to a carrier. A dual mode RF tag assembly (140) is also provided which includes a passive RF circuit (144) and an active RF circuit (142).

Abstract: An alarm system for monitoring alarm conditions and for generating alert signals responsive thereto. The alarm system includes alarm signal processing circuitry for generating signals responsive to alarm conditions, control circuitry coupled to both transmitter and receiver control circuitry which are in turn coupled to a plurality of transceivers located about a selected site. Message control coupled to a recorded audio message unit transmits selected messages, via the transceivers, to portable remote units. Remote personnel respond to signals or messages from the alarm system by means of a portable radio with a built in keyboard In the event that an appropriate response is not received by the control system, dialer control circuitry places a phone call to a predetermined assistance seeking number and a prerecorded message from the message unit states the alarm condition and location.

Abstract: An alarm actuated emergency light signalling circuit to replace the usual wall mounted light switch. The new switch circuit fits within the electrical wall box and has the external appearance and manual operation of an ordinary light switch. When triggered by an alarm system, the new light signalling circuit overrides the circuit breaking function of the light switch and causes the lighting controlled by the switch to flash intermittently. The flashing of the lighting occurs regardless of the initial state of the light switch, whether on or off. The circuit includes a low voltage portion driven by the alarm and including sensing and timing circuitry. The low voltage circuit does not require or use any electric power when not actuated by the alarm. The alternating current power circuit for the lighting is operable in the conventional on/off fashion unless actuated by the alarm and low voltage circuit. Thus, there is no additional alarm position for the switch.

Abstract: A ringback circuit in a security protection system, of the type which monitors a dc current, automatically reports to remote premises that the central station has, at an appropriate time, received an indication that the dc current has been changed to the normal current level for night operation. At the central station, a change in the current level from normal daytime to normal nighttime current is sensed, activating an oscillator. An electronic current limiter in the communications line responds to the oscillator through an isolation circuit, oscillating the current in the communications line, which activates a buzzer at the remote premises.

Abstract: For monitoring the supervisory current in a communications line between a power source and a protected premises which forms a security protection circuit, monitoring apparatus utilizes sensitive solid state circuitry which appears transparent to the protection circuit. An operational amplifier input circuit protects the circuitry against component damage due to lightning, inherently rejects common mode errors due to noise, transients, and varying power supply voltage, and had an adjustable offset for line length compensation and circuit standardization. Voltage comparator circuitry indicates by digital signals the supervisory current level. After the operator conditions the apparatus for an abnormal current level which has been signalled, a lamp which blinks at a discernable rate is used to serve as a reminder of this state.

Abstract: An alarm system is disclosed which utilizes the Bell System DATAPHONE (a registered service mark of AT&T Company) Select-A-Station Service equipment to communicate alarm messages from a plurality of protected premises to a central monitoring station. The system includes a plurality of transponder units, one at each of the protected premises, connected to the central monitoring station through the Bell System equipment. The central monitoring station sequentially polls all the transponders. This is accomplished by sequentially setting up connections from the central monitoring station to the transponder units and sending a START tone burst. In response to receipt of a START tone burst, the connected transponder transmits a tone burst reporting the status of the protected premises. This tone burst contains six tone-pairs in defined time slots, each of the tone-pairs identifying the condition of an associated protected zone, AC power status, and whether the protected premises is in its DAY or NIGHT mode.

Abstract: A call button replacement circuit includes a controllable solid state switch that has a control terminal and a two-terminal output circuit, a manually operated switch, an indicator device, and a capacitor. The solid state switch is connected in circuit between a high voltage terminal and a call-acknowledge terminal; the manually operated switch is connected between the high voltage terminal and the control terminal of the solid state switch so that momentary actuation of the manually operated switch places the solid state switch in conducting condition and applies a call signal to the call-acknowledge terminal; the capacitor is connected between the call-acknowledge terminal and the control terminal, and the indicator device is connected in circuit with the solid state switch so that it is energized and produces a light output when the solid state switch is in conducting condition.