Patent application number | Description | Published |
20100100912 | UPSTREAM BANDWIDTH CONDITIONING DEVICE BETWEEN CATV DISTRIBUTION SYSTEM AND CATV USER - An upstream bandwidth conditioning premise device for use as part of a CATV system and for placement on or near a user's premise to reduce noise created on the user's premise that would otherwise be injected into upstream transmission channels and passed into an RF main signal distribution system of the CATV system. The device includes a variable attenuation device, a signal measurement circuit, a memory circuit and an electronic circuit, which is configured to iteratively determine (i) whether an incremental amount of additional attenuation is to be applied and (ii) whether at least a portion of a previously applied incremental amount of attenuation is to be removed. The electronic circuit includes a counting circuit, a threshold comparison circuit configured to compare a peak signal strength to a predetermined threshold, and a peak comparison circuit configured to compare a contemporary peak signal strength to a previous peak signal strength. | 04-22-2010 |
20100100922 | DOWNSTREAM OUTPUT LEVEL AND/OR OUTPUT LEVEL TILT COMPENSATION DEVICE BETWEEN CATV DISTRIBUTION SYSTEM AND CATV USER - A downstream bandwidth output level and/or output level tilt compensation device that can be inserted into a signal transmission line of a CATV system on a premise of a user. The device includes a tuner that identifies low and high band signal channels, and a channel analyzer that determines a format of each of those channels. A signal measurement measures low and high band signal strengths. An offset circuit adds or subtracts an offset value to the low and/or high band channel signal strengths depending on whether the respective channel is analog or digital. A microprocessor compares the low and high band signal strengths, including any offset values, to a predetermined signal strength loss curve. A variable output level compensation device and a variable slope adjusting circuit are provided to amplify and adjust the gain slope of the downstream bandwidth. | 04-22-2010 |
20100251321 | UPSTREAM BANDWIDTH CONDITIONING DEVICE - An upstream bandwidth conditioning device is provided that can be inserted into a signal transmission line of a CATV system on a premise of a user. The device includes a tunable low pass filter, a tunable high pass filter connected in series with the tunable low pass filter, and at least one voltage control unit. The voltage control unit is configured to adjust each of the tunable low pass filter and the tunable high pass filter between at least a first intermediate frequency range having a first width and a second intermediate frequency range having a second width. The first width differs in size from the second width. | 09-30-2010 |
20100251322 | UPSTREAM BANDWIDTH CONDITIONING DEVICE - An upstream bandwidth conditioning device that can be inserted into a signal transmission line of a CATV system on a premise of a user includes a main signal path and a filter array including a plurality of discrete signal filters coupled to the main signal path. Each of the signal filters is configured to reduce a signal level of at least one frequency portion of an upstream bandwidth. The device further includes a controller configured to select between a plurality of states. In at least two of the states at least one of the signal filters is selected such that a signal level of a lower frequency portion of the upstream bandwidth and a signal level of an higher frequency portion of the upstream bandwidth are reduced by a greater amount than a signal level of an intermediate frequency portion, which includes frequencies arranged between the lower frequency portion and the higher frequency portion. | 09-30-2010 |
20110130025 | CONNECTOR WITH INTERNALLY ACTUATED THREAD SEAL - A novel, reliable, moisture migration preventing cable connector for non-standard port attachment is provided. Such a connector device includes a deformable sealing element that is clear of mating port threads during connector attachment to a cable port, but that deforms upon actuation of a mated thread device rotated around the connector subsequent to cable port attachment. Such deformation allows for the sealing element to enter the open areas of the mated threads thereby preventing the migration of moisture into the cable connector, protecting not only the connector threads, but also the mating port, as well as the internal dielectric and center conductor of the cable itself. A method of providing a signal connection and transfer in a cable system is also encompassed within this invention. | 06-02-2011 |
20110181371 | BAND SELECTIVE ISOLATION BRIDGE FOR SPLITTER - A splitter device includes a first splitter comprising an input leg coupled to a provider content input port, a first output leg, and a second output leg. The provider content input port is configured to receive a downstream-propagating provider bandwidth. The splitter device further includes a first conductive path coupled to the first output leg of the first splitter, and a second conductive path coupled to the second output leg of the first splitter. The splitter device further includes a second splitter having an input leg coupled to a first home network bandwidth, a first output leg coupled to the first conductive path, and a second output leg. The splitter device further includes a third splitter having an input leg coupled to a second home network bandwidth, a first output leg coupled to the second conductive path, and a second output leg. The splitter device further includes a bridge circuit operatively coupled between the first conductive path and the second conductive path. The bridge circuit is configured to propagate a home network bandwidth from the first user port to the second user port and isolate the provider bandwidth from the home network bandwidth. | 07-28-2011 |
20110199490 | HANDHELD PORTABLE FIBER OPTIC SERVICE DIAGNOSTIC TOOL AND METHODS FOR SAME - Embodiments according to the present application can provide hand held portable diagnostic tools and methods for using the same that can terminate a user port in a coaxial cable system to detect whether a digital service marker indicating that fiber optic digital CATV service is present. Embodiments of a hand held portable tool and methods for using the same can include a connector attached at one end of a housing to pass a downstream signal from a coupled user-side coaxial cable port, and a power detector. The detector includes a first filter to pass a selected bandwidth and a rectifying power detector circuit to detect RF power in the selected bandwidth indicative of the digital service marker. Upon detection of the digital service marker, an indicator in the hand held portable diagnostic tools provides detectable or visual results to the user. | 08-18-2011 |
20120100738 | CONNECTOR WITH INTERNALLY ACTUATED THREAD SEAL - A cable connection assembly comprising a moisture migration prevention component located entirely within a nut component, and a threaded actuator integrated entirely within the nut component of said assembly, wherein upon attachment of the nut component onto a threaded port, the threaded actuator engages the threaded port, wherein upon an initial actuation of the nut component, the threaded actuator axially advances to a partially engaged position and axially advances the moisture migration prevention component, wherein continued actuation of the nut component further axially advances the threaded actuator to a fully engaged position and compresses the moisture migration prevention component to exhibit moisture migration prevention at a location external to a plurality of threads of the threaded port engaged within said connection assembly is provided. An associated method is also provided. | 04-26-2012 |
Patent application number | Description | Published |
20100244980 | METHOD AND APPARATUS FOR A SELF-TERMINATING SIGNAL PATH - Presented are method and apparatus embodiments to terminate an interruptible signal path when the interruptible signal path is unterminated. The apparatus can comprise a signal path from a supplier-side port thru a user-side port, a signal source arranged to provide a signal to the conductor; and a signal circuit arranged in the interruptible signal path. The apparatus can determine when the signal path is unterminated and, in that case, interrupt and terminate the signal path by putting a signal switching device in the appropriate state and/or sending signals from the signal path to a prescribed signal level connection point. When a user device is not connected or connected improperly, or the signals through the signal path are otherwise unterminated, the interruptible signal path can be interrupted and terminated. The method and apparatus embodiments can be used in various combinations with multiple signal paths having multiple signal branches. | 09-30-2010 |
20110187481 | MULTIPATH MITIGATION CIRCUIT FOR HOME NETWORK - A filter circuit is provided having multipath interference mitigation. The filter includes a signal path extending from an input to an output. The signal path includes a conductive path and a ground. A pass band filter is disposed along the signal path between the input and the output. The pass band filter passes a first frequency spectrum in a provider bandwidth, and attenuates a second frequency spectrum in a home network bandwidth. The filter circuit further includes a multipath interference mitigation leg operatively branched from the signal path. The multipath interference mitigation leg increases a return loss of the home network bandwidth. A frequency response of the filter circuit is characterized by an insertion loss characteristic between the input and the output being less than 3 dB in the provider bandwidth, and more than 20 dB in the home network bandwidth. The frequency response is further characterized by a return loss characteristic at the output being more than 10 dB in the provider bandwidth and home network bandwidth. | 08-04-2011 |
20130278353 | MULTIPATH MITIGATION CIRCUIT FOR HOME NETWORK - A filter circuit is provided having multipath interference mitigation. The filter includes a signal path extending from an input to an output. The signal path includes a conductive path and a ground. A pass band filter is disposed along the signal path between the input and the output. The pass band filter passes a first frequency spectrum in a provider bandwidth, and attenuates a second frequency spectrum in a home network bandwidth. The filter circuit further includes a multipath interference mitigation leg operatively branched from the signal path. The multipath interference mitigation leg increases a return loss of the home network bandwidth. A frequency response of the filter circuit is characterized by an insertion loss characteristic between the input and the output being less than 3 dB in the provider bandwidth, and more than 20 dB in the home network bandwidth. | 10-24-2013 |
20140322969 | CONNECTOR ASSEMBLY, PORT ACCESSORY AND METHOD FOR SLIDE-ON ATTACHMENT TO INTERFACE PORTS - An connector assembly, interface port accessory and method enable, in one embodiment, slide-on attachment to interface ports. The connector assembly includes a post, body, a post engager, an actuator and a spring assembly. | 10-30-2014 |
Patent application number | Description | Published |
20090076239 | HIGH PERFORMANCE POLYURETHANE ELASTOMERS FROM MDI PREPOLYMERS WITH REDUCED CONTENT OF FREE MDI MONOMER - Polyurethane prepolymers having a reduced amount of unreacted monomeric diisocyanate, particularly diphenylmethane diisocyanate (MDI), prepared by distilling the prepolymer reaction product in the presence of at least one inert solvent whose boiling point is slightly below that of the monomeric diisocyanate; and to high performance cast polyurethane elastomers from the thus obtained prepolymers using diamine and/or diol chain extenders. | 03-19-2009 |
20090110894 | POLYURETHANE ELASTOMER ARTICLES FROM LOW FREE DIPHENYLMETHANE DIISOCYANATE PREPOLYMERS - Polyurethane elastomer articles formed from prepolymer mixtures having free diphenylmethane diisocyanate (MDI) content from 2.0 to 5.0 wt %, based on the weight of the prepolymer mixture. The prepolymer mixtures comprise a polyester, polyether, or polycaprolactone (PCL) prepolymer and MDI. The polyurethane elastomer articles are formed by curing the prepolymer mixture with a chain extender, such as a curative comprising a methylenedianiline-sodium chloride complex. The articles have good physical properties that may weigh over 225 kg, and have a three-axis thickness greater than 10.2 cm. | 04-30-2009 |
20090211677 | MODULAR TIRE ASSEMBLY - The present invention is generally related to a tire assembly comprising a plurality of non-pneumatic tires removably disposed on a single rim. | 08-27-2009 |
20090211678 | NON-PNEUMATIC TIRE HAVING ANGLED TREAD GROOVE WALL - A non-pneumatic tire comprising side cavities that are staggered with respect to laterally opposing side cavities, and laterally extending tread grooves that are either in substantial radial alignment with the cavities or substantially offset relative to the cavities. The tread grooves have at least one wall that is angled with respect to the radial direction, i.e., the direction relative to the tire's axis of rotation. The wall may be an open angle having an angle of 5° to 65° relative to the radial direction. Also provided are processes for making such tires and to off-the-road (OTR) vehicles employing such tires. | 08-27-2009 |
20090211681 | TIRE AND TIRE RIM ASSEMBLY - A tire rim for a non-pneumatic tire. The tire rim has an outer hoop that slideably engages a mounting ring disposed on the non-pneumatic tire. The mounting ring is slideably engaged in a lateral direction on the outer hoop. The rim and mounting ring can be secured using one or more mounting plates. The rim allows for the non-pneumatic tire to be easily mounted and removed. | 08-27-2009 |
20100108215 | MULTIPLE HARDNESS NON-PNEUMATIC TIRE - A non-pneumatic tire comprising one or more radial regions have differing Shore A/Shore D hardness. The non-pneumatic tire comprises side cavities that are staggered with respect to laterally opposing side cavities, and laterally extending tread grooves that are in substantial radial alignment with or substantially offset relative to the cavities. One radial region may comprising the side cavities, while another radial region with a different hardness comprises the tread grooves. Also provided are processes for making such tires and to off-the-road (OTR) vehicles employing such tires. | 05-06-2010 |