72 patents
Utility
Automatic gain control (AGC) using a wideband RF tuner in RF amplifiers in a hybrid fiber-coaxial (HFC) network
2 Jan 24
Automatic gain control (AGC) may be accomplished in a radio frequency (RF) amplifier in a hybrid fiber-coaxial (HFC) network using a wideband RF tuner to select multiple pilot channels (e.g., frequencies in lower and upper portions of an RF signals spectrum) for use in measuring power and determining a correction to be applied to the RF amplifier.
Rafael Celedon, Steven Blashewski, Mark Siejka, David Stewart, Stéphane Chapeau
Filed: 15 Sep 22
Utility
Semiconductor Optical Device with a Buried Heterostructure (BH) Having Reduced Parasitic Capacitance and Reduced Inter-diffusion
21 Dec 23
A semiconductor optical device including a buried heterostructure (BH) has reduced parasitic capacitance and reduced inter-diffusion.
Dapeng XU, Dion MCINTOSH-DORSEY, Huanlin ZHANG
Filed: 16 Jun 22
Utility
Node housing with lid-based mounting of node components for use in a broadband distribution network
7 Nov 23
An aspect of the present disclosure includes a node housing for use in a broadband distribution network that includes coupling the amplifier to a lid portion and providing an interface plate in a base portion that allows for RF and power signals to be provided to the RF amplifier within the lid portion.
William G. Mahoney, Simon Farfoud, Steve Blashewski
Filed: 23 Nov 21
Utility
Optical Transceiver Housing with Integrated Vapor Chamber and an Optical Transceiver Module Implementing Same
5 Oct 23
The present disclosure is generally directed to an optical transceiver housing for use in an optical transceiver module with at least one vapor chamber integrated into the transceiver housing.
Hao-Chiang CHENG, Kai-Sheng LIN, Kevin LIU
Filed: 4 Apr 22
Utility
Fiber holder for use with optical subassembly modules
11 Jul 23
An optical fiber holder is disclosed herein that includes at least one confinement slot for routing intermediate optical fibers within a housing of an optical assembly module, and preferably, a plurality of confinement slots for maintaining a target/nominal fiber bending radius for one or more intermediate optical fibers within the housing.
Hao-Chiang Cheng, Kai-Sheng Lin
Filed: 4 Mar 21
Utility
Node Housing with Lid-based Mounting of Node Components for Use In a Broadband Distribution Network
25 May 23
An aspect of the present disclosure includes a node housing for use in a broadband distribution network that includes coupling the amplifier to a lid portion and providing an interface plate in a base portion that allows for RF and power signals to be provided to the RF amplifier within the lid portion.
William G. MAHONEY, Simon FARFOUD, Steve BLASHEWSKI
Filed: 23 Nov 21
Utility
Broadband Digital Access (Bda) Architecture for Extending Digital Broadband Communications In an HFC Network
20 Apr 23
A broadband digital access (BDA) architecture includes a BDA hub device in a headend/hub and one or more BDA node modules in one or more HFC nodes to enable digital communications between the headend/hub and the HFC node(s) in a CATV/HFC network.
George GONCALVES, Rafael CELEDON, Mark SIEJKA
Filed: 7 Oct 22
Utility
Radio Frequency (RF) Connector Assembly
13 Apr 23
The present disclosure is generally directed to an RF connector assembly for use within a node of a broadband distribution network, and can receive a center conductor pin of a coaxial cable, e.g., via insertion by a technician, and electrically couple the center conductor pin to circuitry within the node, such as an amplifier.
William G. MAHONEY
Filed: 13 Oct 21
Utility
Ridge Waveguide Laser with Dielectric Current Confinement
13 Apr 23
An aspect of the present disclosure includes a direct modulated laser (DML) with a dielectric current confinement ridge waveguide (RWG) structure.
Dapeng XU, Huanlin ZHANG
Filed: 13 Oct 21
Utility
Electro-absorption Modulated Laser with Integrated Filter Layer
23 Feb 23
The present disclosure is generally directed to an EML with a filter layer disposed between an active region of the EML and a substrate of the EML to absorb a portion of unmodulated light energy, and preferably the unmodulated light energy caused by transverse electric (TE) substrate mode.
Dapeng XU, Jin HUANG, Huanlin ZHANG
Filed: 18 Aug 21
Utility
Radio Frequency (RF) Connector Assembly
5 Jan 23
The present disclosure is generally directed to a connector assembly that includes an increased outer diameter of the connector member relative to the equivalent G-type connector and an increased inner diameter of the receptable member relative to the equivalent G-type receptacle (also referred to as a seizure nut) to achieve higher current carrying capacity and target frequency rates of up to 3.0 Ghz, for example.
William G. MAHONEY, Rafael CELEDON, Simon FARFOUD
Filed: 2 Jul 21
Utility
Parabolic lens device for use in optical subassembly modules
18 Oct 22
A parabolic reflector device (also referred to herein as a parabolic lens device) is disclosed which includes a plurality of parabolic lens members and a mirror member which couple together and collectively provide a light-transmissive structure for multiplexing or demultiplexing of an optical signal.
Kai-Sheng Lin, Hao-Chiang Cheng, Ziliang Cai
Filed: 27 May 21
Utility
Coaxial connector seizure assembly with integrated mechanical stop and a hybrid fiber-coaxial (HFC) module implementing same
27 Sep 22
A coaxial seizure assembly is disclosed that includes an integrated mechanical stop that prevents over-insertion and maintains a nominal/expected impedance value to enable high-frequency switching, e.g., 1.8-3 Ghz or greater.
William G. Mahoney, Simon Farfoud
Filed: 5 Mar 20
Utility
Fiber Holder for Use with Optical Subassembly Modules
8 Sep 22
An optical fiber holder is disclosed herein that includes at least one confinement slot for routing intermediate optical fibers within a housing of an optical assembly module, and preferably, a plurality of confinement slots for maintaining a target/nominal fiber bending radius for one or more intermediate optical fibers within the housing.
Hao-Chiang CHENG, Kai-Sheng LIN
Filed: 4 Mar 21
Utility
Component bridge for increasing mounting surface area on feedthrough device and an optical subassembly implementing same
9 Aug 22
The present disclosure is generally directed to a component bridge that couples to a feedthrough device to provide additional component mounting surface area within a TOSA housing, and preferably, within a hermetically-sealed TOSA housing.
Kai-Sheng Lin, Kevin Liu, Hao-Chiang Cheng
Filed: 24 Jan 20
Utility
Capacitor stacks for noise filtering in high-frequency switching applications and an optical subassembly module implementing same
2 Aug 22
The present disclosure is generally directed to utilizing capacitors stacks with capacitors mounted in a terminal-to-terminal mounting orientation to reduce overall footprint of capacitor arrays for bypass filtering circuits.
Yi Liu, Qin Li, Hsiu-Che Wang, Ruru Chen
Filed: 10 Oct 19
Utility
Optical demultiplexer with truncated profile and an optical transceiver module implementing same
3 May 22
The present disclosure is generally directed to an optical demultiplexer for use in an optical transceiver module having a truncated profile/shape to increase tolerance and accommodate adjacent optical components.
Kai-Sheng Lin, Hao-Chiang Cheng, Ziliang Cai
Filed: 24 Nov 19
Utility
Locking arrangements for pluggable optical subassembly modules
3 May 22
In general, the present disclosure is directed to locking arrangements for use with optical subassembly housings, such as small form-factor pluggable (SFFP) housings, that include a handle member configured to rotate about the housing to allow a user to select a target/desired orientation.
Kai-Sheng Lin, John Cheng, Ziliang Cai
Filed: 24 Sep 20
Utility
Temperature control device with a plurality of electrically conductive terminals, and an optical subassembly module implementing same
29 Mar 22
In general, a temperature control device for use in laser assemblies and optical subassemblies is disclosed that includes at least two electrically conductive terminals to enable flexible electrical coupling to associated components, e.g., monitor photodiodes and laser diodes, and accommodate a range of laser assembly configurations without the necessity of supplying a negative voltage rail.
Kai-Sheng Lin, Hang Xie, Ming Qi
Filed: 24 Nov 19
Utility
Locking Arrangements for Pluggable Optical Subassembly Modules
24 Mar 22
In general, the present disclosure is directed to locking arrangements for use with optical subassembly housings, such as small form-factor pluggable (SFFP) housings, that include a handle member configured to rotate about the housing to allow a user to select a target/desired orientation.
Kai-Sheng LIN, John CHENG, Ziliang CAI
Filed: 24 Sep 20