Patents Assigned to ADC
  • Publication number: 20080045054
    Abstract: An external grounding arrangement for a fiber access terminal includes a lug extending through a housing of the terminal. The lug is connected to strength members of a fiber optic cable extending to the terminal by a clamp about the cable within the terminal and a rod extending from the clamp to the lug.
    Type: Application
    Filed: October 18, 2007
    Publication date: February 21, 2008
    Applicant: ADC Telecommunications, Inc.
    Inventor: Scott Kowalczyk
  • Publication number: 20080043612
    Abstract: Systems and methods for course and fine synchronization are provided. In one embodiment, a method comprises establishing communication between a first remote of a plurality of remote units and a host, the plurality of remote units coupled to the host in a multipoint-to-point configuration; transmitting up to a plurality of tones from the first remote, the tones modulated with upstream information using orthogonal frequency division multiplexing (OFDM); making a first adjustment in a manner in which transmissions are transmitted from the first remote on at least one of the tones, the first adjustment varying the alignment of the transmissions received at the host; and making a second adjustment in the manner in which transmissions are transmitted from the first remote on the at least one of the tones, the second adjustment varying the alignment of the transmissions received at the host, wherein the second adjustment is finer the first adjustment.
    Type: Application
    Filed: April 18, 2007
    Publication date: February 21, 2008
    Applicant: ADC TELECOMMUNICATIONS, INC.
    Inventors: Michael Geile, Jeffrey Brede
  • Publication number: 20080043704
    Abstract: Systems and methods for orderwire modulation in a multipoint-to-point orthogonal frequency division multiplexing (OFDM) system are provided.
    Type: Application
    Filed: October 27, 2007
    Publication date: February 21, 2008
    Applicant: ADC TELECOMMUNICATIONS, INC.
    Inventor: Michael Geile
  • Publication number: 20080043611
    Abstract: Systems and methods for bidirectional communication are provided. In one embodiment, a bidirectional communication comprises a multipoint-to-point host unit and a plurality of remote units communicatively coupled to the multipoint-to-point host unit through an orthogonal frequency division multiplexing waveform. The multipoint-to-point host unit is configured to receive the orthogonal frequency division multiplexing waveform, the orthogonal frequency division multiplexing waveform comprising a plurality of tones transmitted by the plurality of remote units. The multipoint-to-point host unit is configured to allocate up to a plurality of the plurality of tones to a first remote unit of the plurality of remote units based on a characteristic of upstream information transmitted by the first remote unit.
    Type: Application
    Filed: April 18, 2007
    Publication date: February 21, 2008
    Applicant: ADC TELECOMMUNICATIONS, INC.
    Inventors: Michael Geile, Harold Roberts
  • Publication number: 20080041854
    Abstract: The invention relates to a housing for receiving electric lines and/or connections, comprising a first housing part and a second housing part, said housing parts being connected to one another by means of at least one hinge. Said hinge defines a rotational axis about which the first housing part and the second housing part can pivot against one another, wherein a first hinge part of said hinge is affixed in the first housing part and wherein a second hinge part is affixed in the second housing part. One of the hinge parts is an axle extending in the direction of the rotating axis. The other hinge part is a fixing part extending in peripheral direction of the axle. At least one recess is arranged in one of the hinge parts while at least one protrusion is arranged in the other hinge part so that said protrusion engages in the recess in a given rotational position and/or in different rotational positions over a given rotational angle area.
    Type: Application
    Filed: October 27, 2004
    Publication date: February 21, 2008
    Applicants: ADC GmbH, HARTING Electric GmbH & Co. KG
    Inventors: Frank Mössner, Ferenc Nad, Ulrich Hetzer
  • Patent number: 7333606
    Abstract: An interface card adapted to be mounted at the back plane of a splitter chassis. The interface card includes card edge connectors for providing connections with a splitter card. The interface card also includes cable connectors for inputting mixed voice and data, and for outputting data and voice signals. Tracings are provided on the interface card for interconnecting the cable connectors and the card edge connectors. The tracings are configured such that first tracings carrying data signals from the splitter card to the cable connectors do not cross second tracings carrying voice signals from the splitter card to the cable connectors.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: February 19, 2008
    Assignee: ADC Telecommunications, Inc.
    Inventors: Steven M. Swam, Eric K. Sit, Todd A. Morgenstern
  • Patent number: 7333320
    Abstract: A fiber distribution terminal system includes a below ground vault, and a terminal enclosure within the vault. The system also includes a lift system in the vault, the lift system including a screw drive and a track system. Rotation of the screw drive lifts the terminal enclosure from a below ground to a lifted position, and the track system guides the terminal enclosure as the enclosure is lifted. The system also includes a tool such as a cordless drill to drive the screw drive. The screw drive can include a ball screw and a ball nut. The system can include a bracket to couple the terminal enclosure to the screw drive and the track system. The track system can include two sets of tracks, a first set of tracks that is fixed in the vault, and a second set of tracks that is coupled to the first set of tracks.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: February 19, 2008
    Assignee: ADC Telecommunications, Inc.
    Inventors: Craig M. Standish, Troy Land, Ajay Sharma
  • Patent number: 7333707
    Abstract: A fiber optic telecommunications frame is provided including panels having front and rear termination locations, the panels positioned on left and right sides of the frame. The frame includes vertical access for the rear cables. The frame further includes left and right vertical cable guides for the front patch cables. The frame further includes cable storage spools for the patch cables. The frame includes a horizontal passage linking the left and right panels and the cable guides. A portion of the frame defines splice tray holders and a central passage from the splice tray holders to the rear sides of the left and right panels. From a front of each panel, access to a rear of the panel is provided by the hinged panels. Alternatively, the panels can form connector modules with front termination locations and rear connection locations for connecting to the rear cables. The modules can house couplers, such as splitters, combiners, and wave division multiplexers.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: February 19, 2008
    Assignee: ADC Telecommunications, Inc.
    Inventors: Curtis Lee Puetz, Gary E. Dusterhoft, David E. Rapp, Troy Anthony Veitenheimer, Thomas C. Tinucci, Matthew J. Holmberg
  • Patent number: 7331473
    Abstract: A cable management assembly, and method related thereto, including a riser panel having an interface portion and a plurality of cable management devices. The interface portion having a plurality of shaped apertures. The cable management devices having attachments that correspond to the shaped apertures to secure the cable management devices to the panel at selected vertical and horizontal locations. The cable management assembly being configured to extend between two adjacent telecommunications racks or to couple to the end of a telecommunications rack.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: February 19, 2008
    Assignee: ADC Telecommunications, Inc.
    Inventors: Trevor D. Smith, James J. Solheid, Timothy J. Haataja, Michael J. Wentworth, David E. Rapp, Michael Jay Follingstad, Michael John Shorter
  • Publication number: 20080038962
    Abstract: The invention relates to a distribution module for converting between symmetric and non-symmetric data transmission paths. Said distribution module comprises a housing in which a transformer is arranged for adjusting impedance, first contacts for connecting at least one non-symmetric data cable, and second contacts for connecting at least one symmetric data cable. The first and second contacts are disposed on opposite faces of the housin. The second contacts are embodied as at least one RJ45 plug-in connector.
    Type: Application
    Filed: August 30, 2005
    Publication date: February 14, 2008
    Applicant: ADC GmbH
    Inventors: Heiko Neumetzler, Harald Klein, Johann Oltmanns, Antony Nijhuis
  • Publication number: 20080040763
    Abstract: Systems and methods for round-trip-delay adjustment in a multipoint-to-point orthogonal frequency division multiplexing (OFDM) system are provided. In one embodiment, a method for a remote unit to request bandwidth in an Orthogonal Frequency Division Multiplexing (OFDM) multi-point to point system comprises: transmitting a signal from a remote unit having a request for bandwidth to a host unit on a first tone, the signal from the remote unit configured to combine with a signal from at least one other remote unit on a different tone to form a coherent OFDM waveform; determining when a collision has occurred on the first tone between the signal transmitted by the remote unit and a signal from at least one other remote unit; and when a collision occurs, re-transmitting the request for bandwidth on the first tone.
    Type: Application
    Filed: October 26, 2007
    Publication date: February 14, 2008
    Applicant: ADC TELECOMMUNICATIONS, INC.
    Inventors: Michael Geile, Harold Roberts
  • Publication number: 20080037412
    Abstract: Systems and methods for round-trip-delay adjustment in a multipoint-to-point orthogonal frequency division multiplexing (OFDM) system are provided. In one embodiment, a method for multipoint-to-point communication comprises: receiving at a host a plurality of upstream symbols transmitted from a plurality of remote units, the upstream symbols transmitted on a plurality of orthogonal carriers modulated using an inverse Fourier transform; and determining respective round trip path delay values associated with each of at least two of the plurality of remote units.
    Type: Application
    Filed: October 26, 2007
    Publication date: February 14, 2008
    Applicant: ADC TELECOMMUNICATIONS, INC.
    Inventors: Michael Geile, Jeffrey Brede
  • Publication number: 20080037414
    Abstract: Systems and methods for multiframe alignment in a multipoint-to-point orthogonal frequency division multiplexing (OFDM) system are provided. In one embodiment, a method for communicating a multiframe comprises: receiving at a host a plurality of upstream symbols transmitted from a plurality of remote units, the upstream symbols transmitted on a plurality of orthogonal carriers modulated using an inverse Fourier transform; and adjusting a transmission timing of at least two of the plurality of remote units so that symbols transmitted from the at least two of the plurality of remote units and associated with frames of a predetermined multiframe structure are received at the host in a sequence based on the predetermined multiframe structure.
    Type: Application
    Filed: October 26, 2007
    Publication date: February 14, 2008
    Applicant: ADC TELECOMMUNICATIONS, INC.
    Inventors: Michael Geile, Jeffrey Brede
  • Publication number: 20080037203
    Abstract: A mounted electronics system comprises a frame; a chassis coupled to the frame, the chassis having an interior width; at least one sub-module having a width sufficient to fit inside the interior width of the chassis; and a mounting assembly configured to secure the at least one sub-module to the chassis wherein the mounting assembly is coupled to the chassis such that the width of the sub-module is not limited by the location of the mounting assembly.
    Type: Application
    Filed: October 22, 2007
    Publication date: February 14, 2008
    Applicant: ADC TELECOMMUNICATIONS, INC.
    Inventor: Michael Wayman
  • Publication number: 20080037415
    Abstract: Systems and methods for ranging in a multipoint-to-point orthogonal frequency division multiplexing (OFDM) system are provided. In one embodiment, a method for ranging comprises: receiving at a host a plurality of upstream symbols transmitted from a plurality of remote units, the upstream symbols transmitted on a plurality of orthogonal carriers modulated using an inverse Fourier transform; comparing a phase of at least one ranging symbol received from at least one of the plurality of remote units with a reference generated by the host; transmitting an adjustment instruction instructing the at least one of the plurality of remote units to vary a phase of transmissions transmitted from the at least one of the plurality of remote units based on a difference in phase between the at least one ranging symbol and the reference generated by the host.
    Type: Application
    Filed: October 26, 2007
    Publication date: February 14, 2008
    Applicant: ADC TELECOMMUNICATIONS, INC.
    Inventors: Michael Geile, Jeffrey Brede
  • Publication number: 20080037663
    Abstract: A multipoint-to-point, orthogonal frequency division multiplexed (OFDM) communication system is provided. The system includes a plurality of remote units and a host unit that includes a demodulator. Each of the remote units transmits an upstream OFDM signal using a multiple access scheme to the host unit demodulator using at least one of a plurality of orthogonal tones within an OFDM waveform. The host unit receives the upstream OFDM signals from a plurality of the remote units, the tones of the upstream signals being substantially orthogonal when received at the host unit. Portions of upstream OFDM signals from at least two of the remote units arrive at the host unit at the same time. The host unit demodulator demodulates the portions of the upstream OFDM signals.
    Type: Application
    Filed: February 26, 2007
    Publication date: February 14, 2008
    Applicant: ADC TELECOMMUNICATIONS, INC.
    Inventor: Michael Geile
  • Patent number: 7329148
    Abstract: A coaxial connection assembly including a coaxial jack. The jack is positioned within a longitudinal opening of a housing. The first end of the jack extends through a first end of the housing and the second end of the jack extends through a second end of the housing. The jack may only be inserted within and removed from the housing through the first end and may be held within the opening by a catch. Rotation of the jack within the opening is prevented. The housing includes a mounting flange extending away from the longitudinal opening. The flange may be adjacent the first end of the housing, and may include an opening for receiving a fastener. Sidewalls may extend from the flange toward the second end.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: February 12, 2008
    Assignee: ADC Telecommunications, Inc.
    Inventors: M'hamed Anis Khemakhem, Kenneth Allen Skluzacek
  • Patent number: 7330625
    Abstract: A mounting fixture for mounting a piece of telecommunications equipment within an underground vault is disclosed. The mounting fixture includes a frame structure configured to be mounted to an upper edge of an open end of a vault. The mounting fixture also includes a can structure for receiving the piece of telecommunications equipment. The can structure includes a closed end, an open end, and a sidewall extending between the closed end and the open end, the can structure being mounted to the frame structure. A cover including a top end and a skirt portion extending downwardly from the top end is slidably received within the can structure, the skirt portion sized to fit around the piece of telecommunications equipment and sized to fit within the sidewall of the can structure, the top end of the cover forming a water tight seal with the top end of the can structure.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: February 12, 2008
    Assignee: ADC Telecommunications, Inc.
    Inventor: Michael Barth
  • Patent number: 7330423
    Abstract: An apparatus and method is described that allows for improved transmission of EOC data over the EOC channels of communication devices and links, reducing the number of dropped EOC packets and increasing the bandwidth and robustness of the EOC channel. The improved device apparatus and method also allows for the reduction of the overhead of EOC channel error detection and correction on the limited resources of the communication device by aborting a corrupted or blocked EOC packet transmission and automatically resending. The improved device apparatus and method additionally allows the reduction of dropped EOC data packets due to corrupted transmission and the resultant miscommunication and corruption of high-level applications of the communication device, such as operation commands, remote configuration and management programs, and operation displays.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: February 12, 2008
    Assignee: ADC DSL Systems, Inc.
    Inventors: David J. Kasper, II, Laxman Anne
  • Patent number: 7330546
    Abstract: A multimedia patching box including a generally rectangular housing. The housing includes a first wall positioned opposite from a second wall. The housing also includes opposing third and fourth walls that extend between the first and second walls. A panel is mounted adjacent the front of the housing. The panel is mounted to pivot about a pivot axis between an open position and a closed position. The pivot axis is located adjacent to the third wall of the housing and extends generally along the third wall of the housing. A plurality of multimedia connectors are mounted on the panel. The housing defines at least one cable access opening defined through at least one of the first and second walls at a location adjacent the third wall. A cable management structure is connected to the back side of the panel. The cable management structure defines a cable guiding channel that extends generally along the pivot axis of the panel and generally aligns with the at least one cable access opening.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: February 12, 2008
    Assignee: ADC Telecommunications, Inc.
    Inventors: Bradley Scott Kessler, Jeffrey Scott Hartzler, Cory Lee Grabinger