Quotables
"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."
Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8184164 | Method for measuring multimedia video communication quality A method for measuring multimedia communication quality is disclosed. The multimedia video communication quality may be objectively reflected through the embedment and extraction of digital watermark under a precondition that the quality of the multimedia video data... | 05/22/2012 |
| 8154602 | Video quality estimation apparatus, method, and program In estimating subjective video quality corresponding to main parameters which are input as an input frame rate representing the number of frames per unit time, an input coding bit rate representing the number of coding bits per unit time, and an input packet loss ra... | 04/10/2012 |
| 8134598 | Picture quality monitoring apparatus Picture having a band of 6 MHz is distributed to the set-top box (STB) 14 via the compression encoder 11, the distribution server 12, and the network 13. The low-pass filter 151 in the picture quality monitoring apparatus 15... | 03/13/2012 |
| 8018492 | Video testing using a test pattern and checksum calculation A method, an apparatus, and logic for testing a video data path. One method includes sending video data corresponding to a video test pattern to an input port of a video data path; receiving video data at an output port of the video data path; and calculating a func... | 09/13/2011 |
| 7796157 | System and method for monitoring and diagnosis of video network performance A system and method for diagnosis of video device performance in the transfer of audio visual data over a video network physically interfaces with the network to receive audio visual data associated with the video device of interest and uses diagnostic tools to acce... | 09/14/2010 |
| 7733373 | System and method of network-linked digital terrestrial television broadcasting In a cellular phone terminal, a bit error rate measurement section measures a bit error rate of broadcast data received by a broadcast reception section for receiving a digital broadcast to output broadcast data while a transmission operation of a communication tran... | 06/08/2010 |
| 7692686 | Method and apparatus for coding format autodetection testing Coded test signals in two or more distinct coding formats are applied sequentially to the equipment under test (EUT) according to a test sequence. The ordering, timing and source characteristics of the coded test signals are fully programmable. The output of the EUT... | 04/06/2010 |
| 7683931 | Image artifact detection in video quality benchmarks A method for performing a video quality measurement which includes performing a video quality test on a frame of a user observed video clip to provide a video quality score, generating a weighted error matrix for the frame, and updating the video quality score based... | 03/23/2010 |
| 7605843 | Monitoring apparatus A monitoring method for monitoring a video/audio signal transmitted from a transmission source to a transmission destination has a step of storing the video/audio signal transmitted from the transmission source to the transmission destination repeatedly for a predet... | 10/20/2009 |
| 7551198 | Transmitted picture quality monitoring apparatus A picture of 625/50 format is converted to a picture of 525/60 format by a format converter provided halfway of the transmission link (1). By thinning scanning lines from the 625/50 format with a scanning line thinning means (2) on an input side of the... | 06/23/2009 |
| 7508414 | Transmitted-picture quality monitoring apparatus Picture quality characteristic amounts are extracted with a picture quality characteristic amount extractor and are transmitted to a central monitoring room to monitor a transmitted-picture quality. The picture quality characteristic amount extractor includes a pixe... | 03/24/2009 |
| 7423978 | Delivery of streaming media A method for evaluating an end-user's subjective assessment of streaming media quality includes obtaining reference data characterizing the media stream, and obtaining altered data characterizing the media stream after the media stream has traversed a channel that i... | 09/09/2008 |
| 7415367 | System and method to locate common path distortion on cable systems A system and method to range a distance to a source of CPD (Common Path Distortion) on a two-way cable system, comprising a local CPD source and a cross-correlator. The local CPD source generates a local distortion signal from a downstream signal, wherein the downst... | 08/19/2008 |
| 7391823 | Digital broadcasting receiver A demodulation circuit generates information related to the frequency of error correction, and feeds the information to a CPU. The CPU acquires noise intensity data on the basis of the information related to the frequency of error correction from the demodulation ci... | 06/24/2008 |
| 7388601 | System and method for the automated, remote diagnostic of the operation of a digital video recording network A method and a system for automatically performing diagnostics of various operational parameters of digital video recorders, cameras, peripheral and associated components encompassing a video system, are provided. Script files are provided including diagnostic instr... | 06/17/2008 |
| 7385627 | Picture feature extraction system and picture quality evaluation system This invention is intended to reduce a line rate of a monitoring line necessary for transmission of a picture feature without complicating a system. A video signal xi (n0, n1) of each block is subjected to spread spectrum by multiply... | 06/10/2008 |
| 7369159 | Method and apparatus for dynamically testing video equipment A method and apparatus are presented for dynamically testing video equipment. A test pattern utilizes a presentation of alternating pixels and lines, along with features of the electronic video/graphics generator in which it is present to effect a close approximatio... | 05/06/2008 |
| 7367039 | System and method for evaluating callback functionality in a satellite television network A combination of new hardware at the subscriber site, hardware and services at the satellite broadcasting center and new installation procedures provide a cost-effective approach for verifying “callback” functionality. The required test and monitoring hardware m... | 04/29/2008 |
| 7354316 | Category 5e compliant patch panel A patch panel that provides a more flexible test bed for copper based broadband services using male or female pin-type connectors (commonly referred to as “telco” or “champ” connectors) that meets ANSI/T1A/E1A-568-B.2 standards is disclosed. The connectors, ... | 04/08/2008 |
| 7342880 | Video information transmission system, and apparatus and program used for video information transmission system This invention provides a video information transmission apparatus for efficiently transmitting a digital video such as MPEG video at real time while controlling congestion on a QoS non-guaranteed IP network and suppressing degradation of a video quality. A transmis... | 03/11/2008 |
| 7336939 | Integrated tracking filters for direct conversion and low-IF single conversion broadband filters A radio frequency (RF) tuner includes a programmable tracking filter bank receiving an RF input and outputting a filtered RF signal. A mixer stage receives the filtered RF signal and outputs a first quadrature component of the filtered RF signal and a second quadrat... | 02/26/2008 |
| 7333150 | Method, system, and program product for eliminating error contribution from production switchers with internal DVEs Measurement of the relative timing between images and associated information, for example video and audio. Image mutual event characteristics are recognized in the images and associated mutual event characteristics are recognized in the associated information. The i... | 02/19/2008 |
| 7324167 | High-quality twisted-pair transmission line system for high-resolution video A system comprising a first filter having an input and an output adapted to compensate for the characteristics of a first length of twisted-pair wire is disclosed. A first bypass path has an input and an output for bypassing the first filter. A second filter has an ... | 01/29/2008 |
| 7324903 | Method and apparatus for measuring signal quality using eye pattern A signal quality measuring method and apparatus in which a quality of a signal detected from an RF signal read out from a disk or a communications channel is measured by using eye pattern signals of the detected RF signals. Eye pattern signals representing time chan... | 01/29/2008 |
| 7302234 | Portable interference-generating device for use in a CDMA mobile testing A portable interference-generating device for inducing desired frame error characteristics, such as desired frame error patterns and rates, at a mobile unit receiving a carrier signal having at least one data channel having a plurality of data frames. The induced fr... | 11/27/2007 |
| 7302379 | DSL system estimation and parameter recommendation Estimates of a communication system configuration, such as a DSL system, are based on operational data collected from a network element management system, protocol, users and/or the like. The operational data collected from the system can include performance-charact... | 11/27/2007 |
| 7298396 | Apparatus and method for monitoring transmission systems using embedded test signals A monitoring system for an RF transmission system, such as a multi-channel television broadcasting antenna feed system, gathers data about the physical and electrical condition of the RF transmission system in real time. The system can detect and localize deteriorat... | 11/20/2007 |
| 7292691 | Progressive video refresh slice detection A selective encryption encoder and method of dual selective encryption and detection of intra-coded slices in video content. The selective encryption encoder has a packet identifier that identifies packets of at least one specified packet type, the at least one spec... | 11/06/2007 |
| 7283479 | Cable TV system or other similar communication system A cable TV system, which is arranged to permit a transmission of signals in the return direction from local networks (10), included in the system, to a head end (11) of the system within a predetermined carrier frequency band, serving for the transmiss... | 10/16/2007 |
| 7275254 | Method and apparatus for determining and displaying the service level of a digital television broadcast signal The present invention provides a method, apparatus, and system for determining and displaying the service level of a digital television broadcast signal. A digital television receiver receives a digital television broadcast signal. The digital television broadcast s... | 09/25/2007 |
| 7266771 | Video stream representation and navigation using inherent data An MPEG compressed bit stream representing video information is associated with supplemental information such as motion, audio, scene cut, and editorial information. The motion information is identified and processed to determine characteristics of the video informa... | 09/04/2007 |
| 7263275 | System and method of manipulating a system time clock in an audio/video decoding system Systems and methods that manipulate a system time clock in an audio decoding system and/or a video decoding system are disclosed. In one example, the method may include the steps of selecting a trick mode rate and adjusting system time clock update rate as a functio... | 08/28/2007 |
| 7254755 | On-chip receiver sensitivity test mechanism An on-chip receiver sensitivity test mechanism for use in an integrated RF transmitter wherein the transmitter and the receiver share the same oscillator. The mechanism obviates the need to use expensive RF signal generator test equipment with built-in modulation ca... | 08/07/2007 |
| 7254827 | Ingress monitoring system and method A system for monitoring reverse paths of a bi-directional cable communication network such as a CATV network, to detect and analyze ingress signals entering a reverse path and ending at a network sub-headend or headend through a corresponding one of communication li... | 08/07/2007 |
| 7245671 | Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers Systems and methods for receiving non-coherent layered modulation signals are presented. An exemplary apparatus comprises a tuner for receiving a layered signal and producing a layered in-phase signal and a layered quadrature signal therefrom, an analog-to-digital c... | 07/17/2007 |
| 7236760 | Tuner for reception of a broadband radio frequency signal A tuner is provided for selecting a channel from a broadband radio frequency input signal containing a plurality of channels, such as a terrestrial broadcast signal. The tuner has an input which supplies the broadband signal to a filter. The output of the filter is ... | 06/26/2007 |
| 7233349 | Video timing display indicator A timing alignment or offset display shows the relationship between a reference signal and a test signal, in particular two analog or digital video signals. Timing extraction circuits derive a lower frequency signal synchronized to horizontal lines and a higher freq... | 06/19/2007 |
| 7221389 | Automatic equalization of video signals A video compensation system for analog video transmission is described. The compensation system is employed in an analog video switching circuit such that each time a conductive path is switched, the system automatically tests the new switch path for a new compensat... | 05/22/2007 |
| 7218895 | System, method, and apparatus for testing voice quality in a communication network A method includes receiving one or more test signals at a first gateway from a second gateway. The method also includes comparing the one or more test signals to one or more expected signals. In addition, the method includes generating a score representing a voice q... | 05/15/2007 |
| 7215360 | Error propagation tree technology A method and system for providing condition information associated with an entity being analyzed. The method includes presenting nodes corresponding to components of the entity according to a tree-like configuration, and providing condition information associated wi... | 05/08/2007 |
