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Alpha Networks Inc patents


Recent patent applications related to Alpha Networks Inc. Alpha Networks Inc is listed as an Agent/Assignee. Note: Alpha Networks Inc may have other listings under different names/spellings. We're not affiliated with Alpha Networks Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Alpha Networks Inc-related inventors


Circuit and method for testing rf device and rf device with built-in testing circuit

In a testing circuit performing a testing operation to detect an rf circuit characteristic, a first filter unit is provided, having a first external terminal electrically coupled to a testing signal and a second external terminal electrically coupled to an rf circuit of the rf device. The first filter unit is configured to allow the testing signal to enter the rf circuit while blocking an rf signal transmitted in the rf circuit from entering the testing circuit. ... Alpha Networks Inc

Mobile navigation method and system

A mobile navigation system includes a directive beamforming antenna carried by the vehicle, emitting first and second sensing beams in first and second directions at first and second time points, respectively; an electromagnetic wave reflector installed in the target zone, receiving the first and second sensing beams, and transmitting first and second retro waves back; and a processor electrically coupled to the directive beamforming antenna, receiving the first and second retro waves, and determining a direction where the vehicle will be guided to move according to information of the first and second retro waves. A coverage area of the first sensing beam and a coverage area of the second sensing beam partially overlaps with each other, and the direction where the vehicle will be guided to move lies between the first direction and the second direction.. ... Alpha Networks Inc

Mobile navigation method and system

A mobile navigation system includes: a radar antenna carried by the vehicle, and emitting first and second sensing beams at first and second time points, respectively; first and second retro-directive antennas or beam-reflecting objects disposed at first and second positions, respectively, and being a specific distance from each other; and a processing device electrically coupled to the radar antenna. The first and second retro-directive antennas or beam-reflecting objects respectively return first and second retro waves corresponding to a direction of the first sensing beam, and respectively return third and fourth retro waves corresponding to a direction of the second sensing beam. ... Alpha Networks Inc

Self-monitoring tire of vehicle

A self-monitoring tire includes a tire body and a tire pressure sensor. The tire body includes a tread rubber for contact with ground, a bead for coupling to a rim, and a sidewall structure including two portions disposed at opposite sides of the tread rubber, and extending from opposite sides of the tread rubber to the bead. ... Alpha Networks Inc

Impedance matching structure of transmission line

An impedance matching structure is disposed on a circuit board for matching an impedance of a transmission line for transmitting an electronic signal. The structure includes: at least two redundant conducting sections coupled to different points between an input terminal and an output terminal of the transmission line, wherein the redundant conducting sections are apart from one another, and a first terminal of each of the redundant conducting sections is coupled to the transmission line, while a second terminal of each of the redundant conducting sections is apart from the transmission line; and at least one grounded conducting section, each of which corresponds to one of the redundant conducting sections, and surrounds in separation from the corresponding redundant conducting section, wherein each of the at least two redundant conducting sections is disposed in a corresponding plating hole.. ... Alpha Networks Inc

Method for measuring characteristic impedance of electric transmission line

A characteristic impedance of an electric transmission line is measured by way of extraction. In the method, a first probe and a second probe are provided, wherein the first probe and the second probe are separable and independently operable probes. ... Alpha Networks Inc

Chassis switch using distributed backplane to interconnect line cards

The present invention is to provide a chassis switch, which comprises a chassis for accommodating a designated number of line cards therein; a backplane installed on the back side of the chassis and having a plurality of connectors disposed thereon; at least one line card plugged into one of the connectors corresponding thereto via a front side of the chassis and each having an access switch chip adapted to switch local network signals and an interconnect switch chip adapted to switch the signals between ports of the at least one line card; and a loop adapted to connect the corresponding ports of the access switch chip and the interconnect switch chip respectively through the connectors, so as to enable each line card plugged into the chassis switch to perform a local network switching function and a switching function between the at least one line card.. . ... Alpha Networks Inc

Rf device and power control performed therein

In an rf device, an rf circuit includes an rf circuit connector optionally coupling thereto an rf element for transmitting or receiving an rf signal; and a power supply module selectively outputting power to the rf circuit connector according to a control signal. In addition, a testing circuit includes a first filter unit having a first external terminal electrically coupled to a testing signal and a second external terminal electrically coupled to the rf circuit, wherein the first filter unit is configured to allow the testing signal to enter the rf circuit while blocking an rf signal transmitted in the rf circuit from entering the testing circuit; and a testing-result informing unit having an external input electrically coupled to the first external terminal, and determining contents of the control signal according to an electric level at the external input.. ... Alpha Networks Inc








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