Patents by Inventor Sami Halen
Sami Halen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20230300423Abstract: A network element of a cable television (CATV) network, comprising at least a first and a second downstream amplifier stage; a first signal path comprising a first equalizer and a second signal path comprising a second equalizer between the first and the second amplifier stage; a switch configured to connect the first equalizer or the second equalizer to be used between the first and the second amplifier stage; a sampling circuit configured to provide a first sampling signal associated with the first signal path and a second sampling signal associated with the second signal path from an output of the second amplifier stage; and a control unit configured to control the switch to connect the first signal path or the second signal path to be used between the first and the second amplifier stage based on said first and second sampling signals.Type: ApplicationFiled: March 10, 2023Publication date: September 21, 2023Inventors: Kari MÄKI, Sami HALEN
-
Patent number: 11297280Abstract: A network element of a cable television (CATV) network, comprising a first input for downstream signal transmission; a plurality of components arranged to form a downstream signal path, wherein at least one of said components is a downstream amplifier (330); a second input for upstream signal transmission; a plurality of components arranged to form an upstream signal path, wherein at least one of said components is an upstream amplifier (340); means (360) for inputting a control signal for adjusting one or more amplification parameters of the downstream amplifier; and means (350) for adjusting one or more amplification parameters of the upstream amplifier, wherein said one or more amplification parameters of the upstream amplifier are automatically calculated on the basis of the one or more amplification parameters of the downstream amplifier.Type: GrantFiled: January 18, 2018Date of Patent: April 5, 2022Assignee: Teleste OYJInventors: Sami Halen, Sami Kuusisto, Kari Mäki, Anssi Mäkiranta, Matti Susi
-
Publication number: 20200374484Abstract: A network element of a cable television (CATV) network, comprising a first input for downstream signal transmission; a plurality of components arranged to form a downstream signal path, wherein at least one of said components is a downstream amplifier (330); a second input for upstream signal transmission; a plurality of components arranged to form an upstream signal path, wherein at least one of said components is an upstream amplifier (340); means (360) for inputting a control signal for adjusting one or more amplification parameters of the downstream amplifier; and means (350) for adjusting one or more amplification parameters of the upstream amplifier, wherein said one or more amplification parameters of the upstream amplifier are automatically calculated on the basis of the one or more amplification parameters of the downstream amplifier.Type: ApplicationFiled: January 18, 2018Publication date: November 26, 2020Applicant: Teleste OyjInventors: Sami HALEN, Sami KUUSISTO, Kari MÄKI, Anssi MÄKIRANTA, Matti SUSI
-
Publication number: 20200329282Abstract: A network element of a cable television (CATV) network, said network element comprising a distributed access node unit comprising a core network interface for receiving downstream signals; one or more amplifier units for amplifying downstream signal transmission for output into one or more output channels; a digital predistorion functionality for supplying a predistorion signal into an input of at least one of the amplifier units for correcting non-linearity of the amplifier unit, wherein a sampling signal for adjusting a level of the predistorian signal is obtained from a sampling point common with at least one other functionality of the network element requiring a sampling signal.Type: ApplicationFiled: November 6, 2017Publication date: October 15, 2020Applicant: Teleste OyjInventors: Kari MÄKI, Sami KUUSISTO, Sami HALEN, Perttu FAGERLUND
-
Patent number: 10666449Abstract: A network element of a cable television (CATV) network, comprising an input for signal transmission; at least two diplex filters configured to be connected to said input, a first diplex filter comprising bandpass filters for a first upstream and downstream frequency bands and a second diplex filter comprising bandpass filters for a second upstream and downstream frequency bands, wherein an upper frequency edge of the second upstream frequency band is higher than an upper frequency edge of the first upstream frequency band and higher than or equal to a lower frequency edge of the first downstream frequency band and a lower frequency edge of the second downstream frequency band is higher than the upper frequency edge of the second upstream frequency band; a control circuit for measuring energy of radio frequency signals below said second downstream frequency band; and a switch for connecting one of said at least two diplex filters to said input, wherein said control circuit is configured to control the switch tType: GrantFiled: October 12, 2018Date of Patent: May 26, 2020Inventors: Carlos Colson, Kari Mäki, Sami Halen
-
Publication number: 20190116057Abstract: A network element of a cable television (CATV) network, comprising an input for signal transmission; at least two diplex filters configured to be connected to said input, a first diplex filter comprising bandpass filters for a first upstream and downstream frequency bands and a second diplex filter comprising bandpass filters for a second upstream and downstream frequency bands, wherein an upper frequency edge of the second upstream frequency band is higher than an upper frequency edge of the first upstream frequency band and higher than or equal to a lower frequency edge of the first downstream frequency band and a lower frequency edge of the second downstream frequency band is higher than the upper frequency edge of the second upstream frequency band; a control circuit for measuring energy of radio frequency signals below said second downstream frequency band; and a switch for connecting one of said at least two diplex filters to said input, wherein said control circuit is configured to control the switch tType: ApplicationFiled: October 12, 2018Publication date: April 18, 2019Applicant: Teleste OyjInventors: Carlos Colson, Kari Mäki, Sami Halen
-
Patent number: 9780832Abstract: The invention relates to a use of an apparatus for configuring two or more communication-related parameters in a cable modem system. The apparatus comprises a processor, a cable television signal input interface for receiving one or more cable television signals, and a cable modem termination system unit for providing access to a communication network.Type: GrantFiled: November 6, 2015Date of Patent: October 3, 2017Assignee: TELESTE OYJInventors: Toni Rumpunen, Perttu Fagerlund, Tommi Ketola, Sami Halen, Pekka Hilke
-
Patent number: 9641265Abstract: The invention relates to a use of an apparatus for improving signal to noise ratio in a cable modem system. The apparatus comprises a processor, an attenuator and a cable modem termination system unit for providing access to a communication network.Type: GrantFiled: November 6, 2015Date of Patent: May 2, 2017Assignee: TELESTE OYJInventors: Toni Rumpunen, Perttu Fagerlund, Tommi Ketola, Sami Halen, Pekka Hilke
-
Publication number: 20160134447Abstract: An apparatus for configuring one or more communication-related parameters in a cable modem system is provided. The apparatus comprises a processor, a memory coupled to the processor, a cable television signal input interface for receiving one or more cable television signals, a spectrum analyser for analysing a spectrum of signals, and a cable modem termination system unit for providing access to a communication network.Type: ApplicationFiled: November 6, 2015Publication date: May 12, 2016Inventors: Toni Rumpunen, Perttu Fagerlund, Tommi Ketola, Sami Halen, Pekka Hilke
-
Publication number: 20160134329Abstract: The invention relates to a use of an apparatus for configuring two or more communication-related parameters in a cable modem system. The apparatus comprises a processor, a cable television signal input interface for receiving one or more cable television signals, and a cable modem termination system unit for providing access to a communication network.Type: ApplicationFiled: November 6, 2015Publication date: May 12, 2016Inventors: Toni Rumpunen, Perttu Fagerlund, Tommi Ketola, Sami Halen, Pekka Hilke
-
Publication number: 20160134384Abstract: The invention relates to a use of an apparatus for improving signal to noise ratio in a cable modem system. The apparatus comprises a processor, an attenuator and a cable modem termination system unit for providing access to a communication network.Type: ApplicationFiled: November 6, 2015Publication date: May 12, 2016Inventors: Toni Rumpunen, Perttu Fagerlund, Tommi Ketola, Sami Halen, Pekka Hilke