Abstract: Sulfonamide derivitives of the formula I wherein R1-R6 are as defined in the description, processes for their production, their use as pharmaceuticals, particularly for use in the treatment or prevention of diseases in which bradykinin B1 receptor activation plays a role or is implicated, and pharmaceutical compositions comprising them.

Abstract: An architecture for providing high-speed access over frequency-division multiplexed (FDM) channels allows transmission of ethernet frames and/or other data across a cable transmission network or other form of FDM transport. The architecture involves downstream and upstream FDM multiplexing techniques to allow contemporaneous, parallel communications across a plurality of frequency channels. Furthermore, a clock carried in downstream packets is used to provide network clocking to the remote devices. With accurate delivery of network stratum clocking, the architecture supports circuit emulation service to provide N×56/N×64 interfaces to customer premises equipment. The downstream packets carrying network clocking may utilize the MPEG packet format, and the clock may be an MPEG program clock reference (PCR).

Abstract: An architecture for providing high-speed access over frequency-division multiplexed (FDM) channels allows transmission of ethernet frames and/or other data across a cable transmission network or other form of FDM transport. The architecture involves downstream and upstream FDM multiplexing techniques to allow contemporaneous, parallel communications across a plurality of frequency channels. Furthermore, the architecture allows a central concentrator to support a plurality of remote devices that each have guaranteed bandwidth through connection-oriented allocations of bi-directional data flows. The upstream and downstream bandwidth allocation can support symmetrical bandwidth as well as asymmetrical bandwidth in either direction. The architecture generally can be used to support connection-oriented physical layer connectivity between a remote device and the central concentrator.

Abstract: An architecture for providing high-speed access over frequency-division multiplexed (FDM) channels allows transmission of ethernet frames and/or other data across a cable transmission network or other form of FDM transport. The architecture involves downstream and upstream FDM multiplexing techniques to allow contemporaneous, parallel communications across a plurality of frequency channels. Also, the modulation indices of various upstream frequency channels may be different, but a plurality of upstream channels may be used to carry a single data flow generally in parallel. The upstream data flow is fragmented into blocks and formed into superframes to allow transmission over at least one upstream frequency channel. When a plurality of upstream frequency channels are utilized, the superframes facilitate the possibility of having different modulation indices on the plurality of frequency channels.

Abstract: An architecture for providing high-speed access over frequency-division multiplexed (FDM) channels allows transmission of ethernet frames and/or other data across a cable transmission network or other form of FDM transport. The architecture involves downstream and upstream FDM multiplexing techniques to allow contemporaneous, parallel communications across a plurality of frequency channels. Furthermore, the architecture allows a central concentrator to support a plurality of remote devices that each have guaranteed bandwidth through connection-oriented allocations of bi-directional data flows. The upstream and downstream bandwidth allocation can support symmetrical bandwidth as well as asymmetrical bandwidth in either direction. The architecture generally can be used to support connection-oriented physical layer connectivity between a remote device and the central concentrator.

Abstract: An induced polarization (IP) data acquisition system includes a plurality of linearly spaced apart measurement nodes or obtaining synchronized measurement signals indicative of the electric field strength at a corresponding plurality of spaced apart locations at or adjacent to a surface of a first geological body. A reference node obtains reference signals indicative of the magnetic field strength at a location at or adjacent to a surface of a second geological body that is spaced apart from body. The reference signals are synchronized with the measurement signals. A processing center is responsive to the measurement signals and the reference signals for deriving a transfer function for body. System is configured for deriving survey data that is indicative of one or more geophysical properties of a body and use is made of the transfer function referred to above to more accurately derive the survey data.

Abstract: A process for the preparation of 3-isochromanone which comprises contacting an o-xylene-&agr;,&agr;′-dihalide with carbon monoxide, in the presence of a catalyst and a hindered amine base in a liquid medium comprising water and a tertiary alcohol.

Abstract: A geological data acquisition system (1) for obtaining data from a geological body (2). System (1) includes a plurality of nodes (3) for simultaneously obtaining respective first measurement signals representative of predetermined characteristics of body (2) at a corresponding plurality of equally spaced apart locations adjacent to the top surface (4) of body (2). First memory means (5) are disposed at each node (3) for selectively storing first data representative of the first measurement signals. A processing center (7) is remote from nodes (3) and selectively obtaining the first data from each memory means (5).

Abstract: The invention provides a fibre reinforced composite, such as a glass-fibre composite in which one or more layers (4) carry an image or design. The image or is preferably printed onto one or more layers (4) of the composite which are then formed into the article required. By utilising the fibre reinforcement to carry the image or design, it is possible to create articles with complex curved surfaces having an image as part of the structure and without using a foreign layer to carry the image.

Abstract: 3-Isochromanone is prepared by contacting an o-xylene-&agr;,&agr;′-dihalide with carbon monoxide in a two-phase liquid medium, in which one phase is aqueous and the other phase is water-immiscible, in the presence of a catalyst and a hindered amine base.

Abstract: A process for preparing 4,6-dihydroxypyrimidine comprising the steps:a) contacting formamide, an alkoxide of formula ROM and a malonate of formula CH.sub.2 (CO.sub.2 R).sub.2 in a solvent of formula ROH;b) adding water to the product of step (a);c) removing substantially all of the solvent of formula ROH from the product of step (b); andd) acidifying the product of step (c)wherein R is C.sub.1-4 alkyl and M is an alkali metal.

Abstract: Methyl 2-(chloro- or bromomethyl)phenylacetate is prepared by treating 3-isochromanone with thionyl chloride or thionyl bromide in the presence of methanol.

Abstract: A process for preparing 4,6-dichloropyrimidine is described, comprising treating 4,6-dihydroxypyrimidine with phosphorus oxychloride in the presence of a saturated hindered amine, the hydrochloride salt of a saturated hindered amine, or an unsaturated 5-membered nitrogen containing ring or a mixture thereof, and, as a first step, directly extracting the 4,6-dichloropyrimidine so formed.

Abstract: A process for preparing 2-(6-substituted pyrid-2-yloxymethyl)phenyacetates especially useful as intermediates for producing agricultural fungicides. The invention provides a compound having the formula (I): wherein A and D are independently selected from the group comprising halo, hydroxy, halo(C.sub.1-4)alkyl, C.sub.1-4 alkoxy, thio(C.sub.1-4)alkoxy, halo(C.sub.1-4)alkoxy, phenyl, phenoxy, nitro, amino, aclyamino, cyano, carboxy, C.sub.1-4 alkoxycarbonyl and C.sub.1-4 alkylcarbonyloxy, or D is C.sub.1-4 alkyl, and m is 0 or an integer of from 1 to 3. The process comprises treating a compound of formula (II): ##STR1## wherein A, D and m are defined as above and M is a metal atom, with a compound of formula (III): ##STR2## wherein L is a leaving group.

Abstract: A test system for evaluating the operating state of a headend of a broadband communications network for communicating telephony signals between a telephony system and subscribers of communications services. Modulators at the headend transmit telephony signals in the forward band of the broadband communications network. The forward telephony channels are demodulated and demultiplexed by a plurality of subscriber terminals into individual telephony signals directed to an addressed subscriber. Signals returning from subscribers are digitized into standard telephony signals onto the reverse band of the broadband communications network, and demodulated by demodulators of the headend into a standard telephony signal that is interfaced to the telephony network. The test system evaluates the operating state of a selected demodulator of the headend by modulating a carrier with a predetermined data pattern to generate a upstream test signal.

Abstract: A broadband communications system for coupling telephony or other digital networks to a CATV network. The system transmits a multiplex of telephony signals in the forward band of the CATV network. Each forward channel is QPR modulated on a carrier and contains multiple subscriber telephony signals. The forward telephony channels are demodulated and demultiplexed by a plurality of subscriber terminals into the individual telephony signals directed to an addressed subscriber. Audio and control signals returning from the subscriber are digitized into standard telephony signals and QPSK modulated on a carrier onto the reverse band of the CATV network. The multiplicity of reverse band telephony channels are demodulated and multiplexed into a standard telephony signal which is directly interfaced to the telephony network.

Abstract: A broadband communications system for coupling telephony or other digital networks to a CTV network. The system includes transmitting a multiplex of telephony signals in 3 MHz channels in the forward band of the CTV network. Each 3 MHz channel is QPR modulated on a carrier and contains multiple subscriber telephony signals. The forward telephony channels are demodulated and demultiplexed by a plurality of subscriber terminals into the individual telephony signals directed to an addressed subscriber. The individually addressed telephony signal is then applied to a line card which connects the subscriber telephone equipment to the system. Audio and control signals returning from the subscriber are digitized into standard telephony signals and modulated on a carrier in 50 kHz reserved telephony channels onto the reverse band of the CTV network.

Abstract: A support for a vertically hinged door including a bracket affixed to the lowermost free corner of the door and a pivotable support leg attached to the bracket for automatic movement between an extended support position and a horizontal stored position is disclosed. The support is provided with a stop and automatic latch for retaining the support leg in the support position.

Abstract: A battery charging system having a charger control circuit which monitors one cell of a battery bank and controls the operation of a charging current source in accordance with the terminal voltage of the monitored cell. The charger control circuit includes an overcharge sensing circuit and a shorted cell sensing circuit, each being capable of triggering a separate output driver to interrupt current flow from the charging current source to the battery bank. The overcharge sensing circuit employs a time delay network to avoid nuisance charger system interruptions. The shorted cell sensing circuit also employs a time delay network to allow charging of heavily discharged or zero voltage batteries.