Abstract: An antenna kit includes: main and auxiliary antenna units to be disposed respectively on first and second dielectric substrates; and two connecting units. The main antenna unit includes two main radiating modules which are symmetrical with respect to a first axis, and each of which includes a main feed point, a main radiating portion and an extending portion. The auxiliary antenna unit is symmetrical with respect to a second axis, and includes two auxiliary feed points, two auxiliary radiating portions and a connecting portion. Each connecting unit is capable of being assembled such that the main radiating portion of a respective main radiating module and a respective auxiliary radiating portion are connected via the assembled connecting unit.

Abstract: An interactive antenna system includes an adjustable antenna device, an antenna control device and an operation device. The adjustable antenna device is for receiving a radio frequency signal wirelessly to generate an antenna signal. The antenna control device measures signal strength of the antenna signal to generate a strength signal, transmits the strength signal wirelessly to the operation device, and controls the adjustable antenna device based on a control signal. The operation device displays the signal strength of the antenna signal based on the strength signal, generates the control signal at least based on an operation performed thereon, and transmits the control signal wirelessly to the antenna control device.

Abstract: An antenna kit includes: main and auxiliary antenna units to be disposed respectively on first and second dielectric substrates; and two connecting units. The main antenna unit includes two main radiating modules which are symmetrical with respect to a first axis, and each of which includes a main feed point, a main radiating portion and an extending portion. The auxiliary antenna unit is symmetrical with respect to a second axis, and includes two auxiliary feed points, two auxiliary radiating portions and a connecting portion. Each connecting unit is capable of being assembled such that the main radiating portion of a respective main radiating module and a respective auxiliary radiating portion are connected via the assembled connecting unit.

Abstract: An interactive antenna system includes an adjustable antenna device, an antenna control device and an operation device. The adjustable antenna device is for receiving a radio frequency signal wirelessly to generate an antenna signal. The antenna control device measures signal strength of the antenna signal to generate a strength signal, transmits the strength signal wirelessly to the operation device, and controls the adjustable antenna device based on a control signal. The operation device displays the signal strength of the antenna signal based on the strength signal, generates the control signal at least based on an operation performed thereon, and transmits the control signal wirelessly to the antenna control device.

Abstract: An antenna includes a conductor portion, a grounding portion and a radiator portion. The grounding portion includes a main section, first and second wings and a line section. The first and second wings extend respectively from opposite ends of the main section toward the conductor portion. The line section includes a base segment extending from the main section between the first and second wings toward the conductor portion, and an extension segment extending from the base segment toward the first wing. The radiator portion includes a feeding point adjacent to the main section, a base line extending from the feeding point toward the conductor portion and an extension section extending from the base line toward the second wing.

Abstract: An antenna includes a conductor portion, a grounding portion and a radiator portion. The grounding portion includes a main section, first and second wings and a line section. The first and second wings extend respectively from opposite ends of the main section toward the conductor portion. The line section includes a base segment extending from the main section between the first and second wings toward the conductor portion, and an extension segment extending from the base segment toward the first wing. The radiator portion includes a feeding point adjacent to the main section, a base line extending from the feeding point toward the conductor portion and an extension section extending from the base line toward the second wing.

Abstract: A flat antenna includes a pair of radiation units that are spaced apart from each other and that are symmetrical with respect to a symmetrical axis. Each of the radiation units includes a main radiating body, an auxiliary radiating body and a feed-in point. The main radiating body has a substantially triangular shape and includes a first angle close to the symmetrical axis, a second angle far from the symmetrical axis with respect to the first angle, and an edge between the first and second angles and obliquely facing the symmetrical axis. The auxiliary radiating body is connected to the main radiating body, and extends from the first edge toward the symmetrical axis. The feed-in point is formed on the first angle of the main radiating body.

Abstract: A balance antenna capable of directly receiving an unbalanced signal includes a pair of radiating units symmetrical with respect to a symmetrical axis. Each radiating unit includes a high-frequency radiating part and a low-frequency radiating part. The high-frequency radiating part includes a frame, a feed-in arm extending from the frame and parallel to the symmetrical axis and having a feed-in point at a distal end thereof, and an enhancing arm extending from the frame and incline relative to the feed-in arm. The low-frequency radiating part extends from the frame and partially around the high-frequency radiating part, and is bent toward the feed-in arm. The low-frequency radiating part has a distal free end close to the feed-in point.

Abstract: An antenna apparatus includes a pair of antenna units that are symmetrical with respect to a symmetrical axis. Each of the antenna units has a substantially annular shape with an opening, and includes a high-frequency radiating part, a low-frequency radiating part which is spaced apart from the high-frequency radiating part, and a conductor part which interconnects the high-frequency radiating part and the low-frequency radiating part. The high-frequency radiating part, the low-frequency radiating part and the conductor part are divided into at least five metal conductors which are connected in sequence and each of which has a convex quadrilateral shape.

Abstract: A video recording system includes an input unit and a video recording unit. The input unit generates a first operation signal upon receipt of a first trigger, and generates a second operation signal upon receipt of a second trigger. The video recording unit initiates operation in a first recording mode and records at a first frame rate in the first recording mode upon receipt of the first operation signal, and switches operation into a second recording mode and records in the second recording mode at a second frame rate that is different from the first frame rate upon receipt of the second operation signal when the video recording unit operates in the first recording mode.

Abstract: A video recording system includes an input unit and a video recording unit. The input unit generates a first operation signal upon receipt of a first trigger, and generates a second operation signal upon receipt of a second trigger. The video recording unit initiates operation in a first recording mode and records at a first frame rate in the first recording mode upon receipt of the first operation signal, and switches operation into a second recording mode and records in the second recording mode at a second frame rate that is different from the first frame rate upon receipt of the second operation signal when the video recording unit operates in the first recording mode.

Abstract: A method for generating a post-produced video from an original video includes the following. For an (i)th one of a plurality of original video segments, a number (M+1) of video data sets respectively from (k×j)th ones of original video frames of the original video segment is generated. A plurality of post-produced video segments are generated, each of which includes the video data sets for a respective one of the original video segments. A user input selects any one of the post-produced video segments. A post-produced video is generated according to the selection indicative of the user input.

Abstract: A thin flat panel style digital television antenna has a radiation layer, a front insulation layer, a rear insulation layer and a connection cable. The radiation layer has a triangular hollow area and an opening formed in one edge thereof to communicate with one angle of the hollow area. The front insulation layer and the rear insulation layer are respectively overlapped on a front surface and a rear surface of the radiation layer to protect and electrically insulate the radiation layer. The radiation layer further has multiple connection holes adjacent to the opening thereof for multiple connection terminals of the connection cable to be respectively connected thereto. Given the foregoing structure, the digital television antenna has a wide frequency band, is thin and lightweight, is cost-effective in production, and is good for mounting and storage.

Abstract: An indoor antenna having a cover body with a panel cover, a coax cable panel, and a coax cable. The panel cover has an edge and at least one first coax cable channel formed in a side of the coax cable panel and is formed through the edge of the panel cover. The coax cable panel is mounted in the cover body. The coax cable is electrically connected with the coax cable panel, inserted through the panel cover, mounted in one of the at least one first coax cable channel, and extending out of the edge of the panel cover. Therefore, when the indoor antenna is assembled, the coax cable can be arranged firmly without over-bending, such that the indoor antenna sustains good performance and be assembled easily.

Abstract: A balun device for UHF signals includes two conductive connection pads, a printed conductive track and a conductive ground pattern that are formed on a dielectric base plate. The conductive connection pads are connectable respectively with a pair of first signal lines for a pair of differential signals. One of the conductive connection pads is further connectable with a second signal line for a single-ended signal. The printed conductive track interconnects electrically the conductive connection pads. The conductive ground pattern is surrounded by and spaced apart from the printed conductive track and the conductive connection pads.

Abstract: A measuring device for measuring signal strength of an RF signal received by an antenna includes a measurement unit, a processing unit and a display unit. The measurement unit includes a band-pass filter for filtering an antenna signal received from the antenna, an amplifier for amplifying the filtered signal according to a gain value, and an RF log detector for outputting a voltage signal according to power level of the amplified signal based on a logarithmic slope. The processing unit obtains a strength signal according to the voltage signal, the gain value and the logarithmic slope. The display unit displays an indication of the signal strength of the RF signal according to the strength signal.

Abstract: An antenna device includes an antenna for receiving an RF signal and generating an antenna signal associated with the RF signal, and a measuring device. The measuring device includes a measurement unit, a processing unit and a display unit. The measurement unit receives the antenna signal, and outputs a voltage signal associated with the antenna signal. The processing unit obtains a strength signal according to the voltage signal. The display unit has a plurality of lighting elements configured to light with different colors, and displays an indication of signal strength of the RF signal according to the strength signal by a number of the lighting elements that emit light and by color of the light.

Abstract: An indoor antenna has a base panel, a coax cable panel, a coax cable, a panel cover, and a hole cover. The coax cable panel is combined with the base panel. The coax cable is electrically connected with the coax cable panel and is connected with a plug. The panel cover is combined with the base panel, shelters the coax cable panel and has a cover through hole inserted through by the coax cable. The hole cover is mounted in the cover through hole of the panel cover and has a coax cable recess inserted through by the coax cable with the plug. Therefore, when the indoor antenna is assembled, the coax cable with the plug can be inserted through the cover through hole, and the indoor antenna can be assembled smoothly and modularized easily.

Abstract: An indoor antenna has a cover body, a coax cable panel, and a coax cable. The cover body has a panel cover. The panel cover has an edge and at least one first coax cable channel formed in a side of the coax cable panel and formed through the edge of the panel cover. The coax cable panel is mounted in the cover body. The coax cable is electrically connected with the coax cable panel, inserted through the panel cover, mounted in one of the at least one first coax cable channel, and extending out of the edge of the panel cover. Therefore, when the indoor antenna is assembled, the coax cable can be arranged firmly without over-bending, such that the indoor antenna can be keeping as good performance as it is and assembled easily.

Abstract: An indoor antenna has a base panel, a coax cable panel, a coax cable, a panel cover, and a hole cover. The coax cable panel is combined with the base panel. The coax cable is electrically connected with the coax cable panel and is connected with a plug. The panel cover is combined with the base panel, shelters the coax cable panel and has a cover through hole inserted through by the coax cable. The hole cover is mounted in the cover through hole of the panel cover and has a coax cable recess inserted through by the coax cable with the plug. Therefore, when the indoor antenna is assembled, the coax cable with the plug can be inserted through the cover through hole, and the indoor antenna can be assembled smoothly and modularized easily.