1
Timothy Lee Keenan, David E Adams: Test system for remotely testing switches within a telecommunications network. Acterna, Reed Smith, May 8, 2001: US06230006 (61 worldwide citation)

A system for centrally and remotely testing switches of cellular and conventional telecommunications network wherein a controller located at a remote location provides instructions to Remote Call Processor (RCP) to thereby prompt the RCPs to establish a communication link from the RCP through a swit ...


2
Daniel K Chappell: Sweep method using digital signals. Acterna, Maginot Moore & Beck, November 1, 2005: US06961370 (37 worldwide citation)

An apparatus, system, and method, for determining the total frequency response of a communication system, include one or more testers each having a tuner, digital demodulation circuitry, and a controller that measures an absolute power level at the tester location for a particular channel and that m ...


3
Walter Miller, Gregory Massey, Michael Gotwals: Data connection quality analysis apparatus and methods. Acterna, Allen Dyer Doppelt Milbrath & Gilchrist P A Attorneys at Law, February 10, 2009: US07489641 (33 worldwide citation)

A test device enables DOCSIS link testing in a HFC network without requiring the CMTS or other router at the headend of the HFC network to respond to ICMP messages. The test device includes a test packet generator for generating test packets having a destination Internet protocol (IP) address associ ...


4
Ali M Mohammadian, David J Royle: Modular test instrument. Acterna, Michael de Angeli, May 7, 2002: US06385300 (33 worldwide citation)

A modular test instrument comprises a base unit and one of a selection of application modules, neither being capable of performing end-user functions without the other. When physically assembled to one another, the base unit and application module comprise a structurally unitary device specialized f ...


5
Gregory W Massey, Reena Ramname, Kevin J Oliver: Digital quality index for QAM digital signals. Acterna, Matthew A Pequignot, Pequignot Myers, September 7, 2010: US07792183 (28 worldwide citation)

The present invention relates to a system for calculating a digital quality index (DQI), which provides a rating on a predetermined scale, indicative of the impairments in a received quadrature amplitude modulated (QAM) signal in a CATV cable system. The DQI system utilizes bit error rates prior to ...


6
Robert J Flask: Signal level measurement and data connection quality analysis apparatus and methods. Acterna, Allen Dyer Doppelt Milbrath & Gilchrist P A, July 22, 2008: US07403486 (25 worldwide citation)

An apparatus that includes a coupling, a signal level measurement circuit, a communication circuit and a processing circuit. The coupling is configured to connect to and received broadband RF signals from a coaxial cable termination of a communication network. The signal level measurement circuit is ...


7
John G Williams: Triple play services tester. Acterna, Matthew A Pequignot, Pequignot Myers, March 30, 2010: US07688754 (20 worldwide citation)

A portable tester for testing mutual effects of multiple services received via a shared network access link includes service signaling means for simulating user premises devices. In one embodiment, the tester is a triple play services tester supporting three IP addresses at the same time.


8
Ali M Mohammadian, David J Royle: Modular test instrument. Acterna, Michael de Angeli, May 18, 2004: US06738454 (17 worldwide citation)

A method for testing various types of devices or systems employs a modular test instrument comprising a base unit and one of a selection of application modules, neither being capable of performing end-user functions without the other. When physically assembled to one another, the base unit and appli ...


9
Timothy Lee Keenan, David E Adams: Test system for remotely testing switches within a telecommunications network. Acterna, Reed Smith, April 1, 2003: US06542738 (17 worldwide citation)

A system for centrally and remotely testing switches of cellular and conventional telecommunications network wherein a controller located at a remote location provides instructions to Remote Call Processor (RCP) to thereby prompt the RCPs to establish a communication link from the RCP through a swit ...


10
Ronald Joseph Stana, Edward Kurt Borchardt: Method and apparatus for launching computer applications. Acterna L L C, Allen Dyer Doppelt Milbrath & Gilchrist P A, March 7, 2006: US07010757 (13 worldwide citation)

Method and apparatus for launching applications on a computer. A launcher allows a user to quickly determine which applications are installed and to start one or more selected applications. The launcher accesses an operating system registry to determine which applications are installed and where eac ...