Patent application number | Description | Published |
20130064546 | PHOTONIC COMMUNICATIONS DEVICE WITH AN FM/PM DISCRIMINATOR AND RELATED METHODS - A communications device includes a transmitter device having first and second optical sources and generating respective first and second modulated optical carrier signals at first and second optical carrier frequencies based upon an input signal. The communications device also includes an optical waveguide coupled to the transmitter device, and a receiver device coupled to the optical waveguide and including an FM-PM discriminator having a transfer function with a positive slope portion and a negative slope portion so that the first optical carrier frequency is positioned on the positive slope portion and the second optical carrier frequency is positioned on the negative slope portion. | 03-14-2013 |
20130188952 | COMMUNICATIONS DEVICE WITH DISCRIMINATOR AND WAVELENGTH DIVISION MULTIPLEXING FOR GENERATING INTERMEDIATE FREQUENCY SIGNAL AND RELATED METHODS - A communications device includes a transmitter device including first and second optical sources, a first optical coupler coupled to the first and second optical sources, and a first modulator coupled to the first optical coupler and to modulate a combined carrier signal including the first and second optical carrier signals with an RF input signal. The communications device includes a receiver device having a second modulator to further modulate the modulated combined carrier signal with an LO signal, a FM-PM discriminator coupled to the second modulator and to convert the modulated combined carrier signal to an intensity modulated combined carrier signal based upon the LO signal, a second optical coupler coupled to the FM-PM discriminator and to generate first and second intensity modulated carrier signals, and an optical-to-electrical converter coupled to the second optical coupler and to generate an IF signal. | 07-25-2013 |
20130188962 | COMMUNICATIONS DEVICE WITH DISCRIMINATOR FOR GENERATING INTERMEDIATE FREQUENCY SIGNAL AND RELATED METHODS - A communications device includes a transmitter device having an optical source to generate an optical carrier signal, and a first modulator coupled to the optical source and to modulate the optical carrier signal with a radio frequency (RF) input signal, and an optical waveguide coupled to the transmitter device. The communications device includes a receiver device coupled to the optical waveguide and including a second modulator to further modulate the modulated optical carrier signal with a local oscillator (LO) signal, a frequency modulation-phase modulation (FM-PM) discriminator coupled to the second modulator and to convert the modulated optical carrier signal to an intensity modulated optical carrier signal based upon the LO signal, and an optical-to-electrical converter coupled to the FM-PM discriminator and to generate an intermediate frequency (IF) signal based upon the intensity modulated optical carrier signal. | 07-25-2013 |
20140233960 | DYNAMIC PACKET REDUNDANCY FOR A FREE SPACE OPTICAL COMMUNICATION LINK | 08-21-2014 |
20140241731 | SYSTEM AND METHOD FOR FREE SPACE OPTICAL COMMUNICATION BEAM ACQUISITION - A free space optical communication system ( | 08-28-2014 |
Patent application number | Description | Published |
20090064454 | RAILROAD CAR DOOR PIVOT ASSEMBLY - An improved auto-rack railroad car door pivot bolt assembly for an auto-rack railroad car including a roof having a roof stiffener and a door having a hood. The auto-rack railroad car door pivot bolt assembly ties the hood of the door of the auto-rack railroad car to the roof stiffener on the roof of the auto-rack railroad car to reduce relative movement of the hood and the roof stiffener to each other and prevents wear of the shoulder bolt, the hood, and the roof stiffener. | 03-12-2009 |
20090245962 | CHOCK STRAP RETAINER FOR AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - A vehicle wheel chock strap retainer that provides that different straps of different dimensions will remain securely affixed to a torque tube of a wheel chock when the chock strap retainer is inserted into the torque tube. | 10-01-2009 |
20110236148 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - An improved vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. The improved vehicle wheel chock includes an improved face-plate. | 09-29-2011 |
20110236149 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - A vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. | 09-29-2011 |
20110236150 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - A vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. | 09-29-2011 |
20110236151 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - A vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. | 09-29-2011 |
20120087758 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - An improved vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. The improved vehicle wheel chock includes an improved face-plate. | 04-12-2012 |
20120097624 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK HANGER - A vehicle wheel chock hanger for a vehicle restraint system for an auto-rack railroad car that is configured to hold various different chocks that are configured to secure vehicles in auto-rack railroad cars. | 04-26-2012 |
20120163938 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - A vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. | 06-28-2012 |
20120308324 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - An improved vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. The improved vehicle wheel chock includes an improved face-plate. | 12-06-2012 |
20130183115 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - A vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. | 07-18-2013 |
20130223948 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - A vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. | 08-29-2013 |
20140197122 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK HANGER - A vehicle wheel chock hanger for a vehicle restraint system for an auto-rack railroad car that is configured to hold various different chocks that are configured to secure vehicles in auto-rack railroad cars. | 07-17-2014 |
20150071725 | AUTO-RACK RAILROAD CAR VEHICLE RESTRAINT APPARATUS - A vehicle restraint system for an auto-rack railroad car which includes an active chock and an anchor chock configured to co-act to secure a vehicle in the auto-rack railroad car. In various embodiments, each chock has a chock body including a substantially diamond shaped elongated tube which includes four integrally connected elongated walls. In various embodiments, for each chock, various components of that chock extend substantially along longitudinal axis that lie in the same or substantially the same vertical plane as the apex and trough of the substantially diamond shaped elongated tube of the chock body. | 03-12-2015 |
20150071726 | AUTO-RACK RAILROAD CAR VEHICLE RESTRAINT APPARATUS - A vehicle restraint system for an auto-rack railroad car which includes an active chock and an anchor chock configured to co-act to secure a vehicle in the auto-rack railroad car. In various embodiments, each chock has a chock body including a substantially diamond shaped elongated tube which includes four integrally connected elongated walls. In various embodiments, for each chock, various components of that chock extend substantially along longitudinal axis that lie in the same or substantially the same vertical plane as the apex and trough of the substantially diamond shaped elongated tube of the chock body. The active and anchor chocks: (a) have a lower height than known commercially available vehicle restraints; (b) have a smaller width than known commercially available vehicle restraints; (c) position the strap and the torque tube closer to the tire of the wheel than any known commercially available vehicle restraints; (d) take up a smaller area of each safe zone adjacent to the wheel than known commercially available vehicle restraints; (e) provide a greater strength to size ratio than known commercially available vehicle restraints; and (f) are easy to operate, install, and remove. | 03-12-2015 |
20150125231 | AUTO-RACK RAILROAD CAR VEHICLE RESTRAINT APPARATUS - A vehicle restraint system for an auto-rack railroad car which includes an active chock and an anchor chock configured to co-act to secure a vehicle in the auto-rack railroad car. In various embodiments, each chock has a chock body including a substantially diamond shaped elongated tube which includes four integrally connected elongated walls. In various embodiments, for each chock, various components of that chock extend substantially along longitudinal axis that lie in the same or substantially the same vertical plane as the apex and trough of the substantially diamond shaped elongated tube of the chock body. The active and anchor chocks: (a) have a lower height than known commercially available vehicle restraints; (b) have a smaller width than known commercially available vehicle restraints; (c) position the strap and the torque tube closer to the tire of the wheel than any known commercially available vehicle restraints; (d) take up a smaller area of each safe zone adjacent to the wheel than known commercially available vehicle restraints; (e) provide a greater strength to size ratio than known commercially available vehicle restraints; and (f) are easy to operate, install, and remove. | 05-07-2015 |
20150151767 | AUTO-RACK RAILROAD CAR VEHICLE WHEEL CHOCK - A vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. | 06-04-2015 |
20160023673 | Universal Brake Beam Strut - A strut for a brake beam assembly includes a strut body extending along a longitudinal axis between a proximal end and a distal end. At least one slot is defined in the strut body and receives and supports a brake lever extending non-parallel to the longitudinal axis. A compression member engager is connected to a distal end of the strut body and is configured to connect the strut body to a compression member of the brake beam assembly. A tension member engager is connected to the proximal end of the strut body and is configured to engage a tension member of the brake beam assembly. At least one fastener is configured to engage the compression member engager to fasten the compression member engager on the compression member. At least a portion of the strut body is rotatable about the longitudinal axis with respect to the compression member engager and the tension member engager to be oriented at opposing angles with respect to a horizontal plane extending through the longitudinal axis. | 01-28-2016 |