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Calvin G Nelson, Mark Anton: Optical fiber distribution apparatus. ADC Telecommunications, Merchant Gould Smith Edell Welter & Schmidt, December 20, 1988: US04792203 (312 worldwide citation)

The present invention organizes optical fibers from a trunk cable for connection to fibers from various distribution cables. The apparatus includes a housing having a plurality of trays swingable from a storage position inside the housing to an access position in front of the housing. Each tray incl ...


2
Terrance J Hill, Harold A Roberts, Brian D Anderson, Jeffrey Brede, Mark S Wadman, Robert J Kirscht, James J Herrmann, Michael J Fort, Steven P Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C Tucker, Joe Hall, John M Logajan, Somvay Boualouang, Heng Lou, Mark D Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S Russell, Calvin G Nelson, Niranjan R Samant, Joseph F Chiappetta, Scott Sarnikowski: Channel selection for a hybrid fiber coax network. ADC Telecommunications, Fogg Slifer & Polglaze PA, December 25, 2001: US06334219 (200 worldwide citation)

A method for monitoring at least one telephony communication n-bit channel, wherein one of the bits is a parity bit, includes sampling the parity bit of the n-bit channel. A probable bit error rate is derived from the sampling of the parity bit. The probable bit error rate can be compared to a pre-d ...


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Harold A Roberts, David S Russell, Calvin G Nelson, Jeffrey Brede, Joseph F Chiappetta, Niranjan R Samant: Hybrid fiber/coax video and telephony communication. ADC Telecommunications, Fogg Slifer & Polglaze PA, July 9, 2002: US06418558 (116 worldwide citation)

A video and telephony signal distribution network is provided. The network includes a head end for transmitting to a plurality of remote units. The network further includes at least one optical/electrical converter unit that transmits to the remote units over at least two coaxial cables coupled to a ...


4
Mark J Dapper, Michael J Geile, Terrance J Hill, Harold A Roberts, Brian D Anderson, Jeffrey Brede, Mark S Wadman, Robert J Kirscht, James J Herrmann, Michael J Fort, Steven P Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C Tucker, Joe Hall, John M Logajan, Somvay Boualouang, Heng Lou, Mark D Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S Russell, Calvin G Nelson, Niranjan R Samant, Joseph F Chiappetta, Scott Sarnikowski: Fast fourier transform apparatus and method. ADC Telecommunications, Fogg Slifer Polglaze Leffert & Jay P A, August 13, 2002: US06434583 (77 worldwide citation)

A apparatus for providing a Fast Fourier Transform (FFT) and an inverse FFT is provided. The apparatus comprises a radix-N core. The radix-N core includes at least N multipliers. The radix-N core also includes a twiddle-factor lookup table that stores complex twiddle-factors. The twiddle-factor look ...


5
Mark J Dapper, Michael J Geile, Terrance J Hill, Harold A Roberts, Brian D Anderson, Jeffrey Brede, Mark S Wadman, Robert J Kirscht, James J Herrmann, Michael J Fort, Steven P Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C Tucker, Joe Hall, John M Logajan, Somvay Boualouang, Heng Lou, Mark D Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S Russell, Calvin G Nelson, Niranjan R Samant, Joseph F Chiappetta, Scott Sarnikowski: Communication system with multicarrier telephony transport. ADC Telecommunications, Fogg Slifer & Polglaze PA, August 28, 2001: US06282683 (55 worldwide citation)

The communication system includes a hybrid fiber/coax distribution network. A head end provides for downstream transmission of telephony and control data in a first frequency bandwidth over the hybrid fiber/coax distribution network and reception of upstream telephony and control data in a second fr ...


6
Harold A Roberts, Robert A Eno, Calvin G Nelson, David J Emmons, Liang Ju Lu, Robert Ziebol: Optical switch with reduced reflection. ADC Telecommunications, Merchant Gould Smith Edell Welter & Schmidt, August 6, 1991: US05037176 (32 worldwide citation)

An optical switch is disclosed including a first and second array of optical fibers held in axial alignment and relatively rotatable about an axis of rotation to effect optical coupling and decoupling of fibers of the opposing arrays. Terminal ends of fibers of the first array are set at a predeterm ...


7
Mark J Dapper, Michael J Geile, Terrance J Hill, Harold A Roberts, Brian D Anderson, Jeffrey Brede, Mark S Wadman, Robert J Kirscht, James J Herrmann, Michael J Fort, Steven P Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C Tucker, Joe Hall, John M Logajan, Somvay Boualouang, Heng Lou, Mark Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S Russell, Calvin G Nelson, Niranjan R Samant, Joseph F Chiappetta, Scott Sarnikowski: Systems and method for orthogonal frequency divisional multiplexing. ADC Telecommunications, Fogg & Powers, February 1, 2011: US07881181 (11 worldwide citation)

Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to receive a waveform comprising a plurality of spectrally overlapping carrier signals from at least two of a plurality of remotes, the carrier s ...


8
Calvin G Nelson: Patch module. Magnetic Controls Company, Dorsey & Whitney, December 14, 1982: US04363941 (8 worldwide citation)

A patch or access module usable with an insertable patch plug having a plurality of electrical contact elements. The patch or access module includes a circuit board, a first electrical circuit electrically connected with a first point on the circuit board, a second electrical circuit electrically co ...


9
Mark J Dapper, Michael J Geile, Terrance J Hill, Harold A Roberts, Brian D Anderson, Jeffrey Brede, Mark S Wadman, Robert J Kirscht, James J Herrmann, Michael J Fort, Steven P Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C Tucker, Joe Hall, John M Logajan, Somvay Boualouang, Heng Lou, Mark Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S Russell, Calvin G Nelson, Niranjan R Samant, Joseph F Chiapetta, Scott Sarnikowski: Systems and method for orthogonal frequency divisional multiplexing. HTC Corporation, Goodwin Procter, Steven A Moore, January 8, 2013: US08351321 (2 worldwide citation)

Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to de-modulate symbols from at least one of a plurality of spectrally overlapping carrier signals to produce a receiver output; a transmitter con ...


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