94results about "Discontinuous tuning" patented technology

A personalized media service provides, e.g., user customization of radio channel selections, immediate availability of multiple pre-programmed and / or customized channels, the ability to intersperse different types of content including periodically refreshed information content, availability of personal radio functions on devices such as car audio systems, PDAs, smartphones, MP3 players, etc. Available channels include, e.g., pre-programmed channels selected for the user based on an interest profile, user-owned content, user-specified recorded content, etc. An audio user interface facilitates user selection of programming and user purchase of currently played audio material. An overall radio experience is thus provided that combines the customization and flexibility of digital media with the immediacy and ubiquity of radio. Video materials may also be accommodated.

A digitally adjustable inductive element which can be implemented in an integrated circuit. The digitally adjustable inductive element can include a first inductor, and a digital inductance controller operatively coupled to the first inductor which can be utilized to vary the effective inductance of the first inductor. The digitally adjustable inductive element can include a second inductor operatively coupled to the first inductor, and a digital current controller operatively coupled to the second inductor. The digital current controller can include a number of transistors operatively coupled to the second inductor. The digitally adjustable inductive element can be utilized to create a tunable oscillator. The tunable oscillator can include a first inductor, a digital inductance controller operatively coupled to the first inductor which can be utilized to vary the effective inductance of the first inductor, and an oscillator circuit which generates an oscillating signal utilizing the effective inductance of the first inductor. The tunable oscillator can include a second inductor operatively coupled to the first inductor, and a digital current controller operatively coupled to the second inductor. The digital current controller can include a number of transistors operatively coupled to the second inductor.

Disclosed is a display apparatus including a front cover, a rear cover coupled the front cover and forming an accommodating space, a display panel disposed inside the accommodating space, a main PCB having a signal processor and transmitting a video signal to the display panel, and a PCB supporting member supporting the main PCB. The display apparatus includes a TV tuner unit having a TV tuner receiving the TV video signal, a casing accommodating the TV tuner, and a connector electrically connected with the TV tuner, a tuner unit accommodating part accommodating the TV tuner unit, and a connection port provided at the tuner unit accommodating part for transmitting the TV video signal from the TV tuner unit to the signal processor.

In a tuner unit, a metal shielding plate standing upright on a circuit board is provided between circuit blocks formed on the circuit board so as to electrically shield the circuit blocks from each other. A metal bridge that connects the shielding plate and a frame is provided between some circuit blocks and at a distance from the circuit board so that an electrical component can be mounted on a portion of the circuit board opposing the bridge. This makes it possible to reduce the mounting space for the electrical component and to achieve a small tuner unit.

A circuit and method for adjusting the operating characteristics of a tuner in accordance with information derived from the signals being processed by the tuner. Depending upon signal type and / or signal strength, the power levels of certain components are adjusted and / or certain components are added to (or subtracted from) the tuner.

Control method and apparatus for a manual spray gun may include a second manually actuated trigger disposed on the spray gun handle, with the second trigger being operational to select or change one or more coating operation parameters.

A communication module is provided in which its characteristic of separation between its first and second tuner units is improved. The module is equipped with circuit board (21) having a first main surface, and a second main surface opposite to the first main surface; a first amplifier arranged on the first main surface, for amplifying a first signal; a first mixer arranged on the first main surface, for converting a signal supplied from the first amplifier to an intermediate-frequency signal; and a second amplifier for amplifying a second signal; and a mixer for converting a signal supplied from the second amplifier to an intermediate-frequency signal, both arranged on the second main surface of circuit board (21).

An inductor circuit with high quality (Q) factor includes a primary inductor and a compensation sub-circuit. The compensation sub-circuit is electrically isolated from the primary inductor. The compensation sub-circuit is magnetically coupled with the primary inductor to compensate the loss in the primary inductor.

There are provided a single package television tuning apparatus and a television receiver including the apparatus. The apparatus includes: a printed circuit board; a switching part installed on the printed circuit board and selecting one of a first radio frequency signal and a second radio frequency signal inputted; a tuner part installed on the printed circuit board and down-converting one of the first radio frequency signal and the second radio frequency signal, the one selected by the switching part; first and second input connectors receiving the first radio frequency signal and the second radio frequency signal; and a chassis supporting the first and second input connectors, covering the printed circuit board, the switching part, and the tuner part, and electrically connected to grounds of the switching part and the tuner part.

A tuner module is characterized by: a chassis formed with lateral surfaces wrapping four corners to open both sides; an upper cover covering one opened side of the chassis to be provided with an elastic fixation end that is fixed at the lateral surface; and a lower cover applying pressure to an external surface of the elastic fixation end to cover the other opened side of the chassis whereby another elastic hitching end that is fixed at the lateral surface is provided.

A tunable inductor arrangement arrangable on a chip or substrate is disclosed. The tunable inductor comprises a first winding part connected at one end to a first input of the tunable inductor arrangement, a second winding part connected at one end to the other end of the first winding part, a third winding part connected at one end to a second input of the tunable inductor arrangement, a fourth winding part connected at one end to the other end of the third winding part, and a switch arrangement arranged to tune the tunable inductor arrangement. Tuning is performed by selectively provide any of a circuit comprising the first and third winding parts in series between the first and second inputs, or a circuit comprising the first, second, fourth and third winding parts in series between the first and second inputs. The first and third winding parts are arranged on the chip or substrate such that magnetic fields of the first and third windings are essentially common, and the second and fourth winding parts are arranged to cancel electro-magnetic coupling with the first and third winding parts. A receiver, a transceiver, a communication device, a method and a computer program are also disclosed.

The purpose of dynamically tuning in dense arrays is to improve power received and signal quality. In traditional phased array the inherent design procedure is to design for good matching over the frequency and scan angle of operation. Typically this is done in the overall design based on a priori knowledge of the frequency, relative phasing and amplitude distribution of all the elements. With this a priori knowledge the design can be done based on known mutual coupling.

A tuner and a transformer formed by printed circuit board thereof are provided. The transformer includes a first winding and a second winding. In which, the first winding forms a first inductor and the second winding forms a second inductor. The transformer is formed by the first and the second inductors, wherein the first winding and the second winding are formed by conducting wires of a printed circuit board.

In one embodiment of the present invention, an electronic tuner is provided with a case configured with a frame-like outer circumferential portion and a lid portion that covers a space formed by the outer circumferential portion, and an elastic grounding piece formed by cutting open a portion of the case in the shape of a tongue piece is caused to protrude outside of the case, thus grounding the elastic grounding piece to a grounding portion of an external electronic device.

The level of the harmonics of oscillation signals for synchronous detection to be inputted to a mixer circuit for converting frequencies is suppressed low. A first integrated circuit component formed with a first mixer circuit for converting frequencies; a second integrated circuit component formed with a second mixer circuit for synchronously detecting intermediate frequency signals and an oscillator transistor circuit; a resonant circuit coupled to the oscillator transistor circuit and forming an oscillator circuit for synchronous detection; an intermediate frequency tuning circuit interposed between the first mixer circuit and the second mixer circuit; and a circuit board for mounting the first integrated circuit component, the second integrated circuit component the intermediate frequency tuning circuit and the resonant circuit in a predetermined block area are provided, wherein the resonant circuit is mounted on the side opposite to the side where the first integrated circuit component and the intermediate frequency tuning circuit are mounted as the second integrated circuit component is sandwiched.

A media content monitoring system uses a rack adapted to receive multiple carrier boards to improve the system's ability to be configured to specific applications. Each carrier board contains tuner modules for receiving AM / FM broadcasts, satellite radio broadcasts, TV audio broadcasts, HD, IBOC, DAB and DRM digital radio broadcasts, etc. The tuner modules produce a USB output that is combined by a USB hub on the carrier boards into a single USB output. The carrier board outputs are in turn combined by a rack based USB hub into single USB output that is provided to a host computer. The host computer includes content identification software that automatically identifies selected media content received by the tuner modules and stores the selected content in a database. The host computer can send control codes to the tuner modules to alter their reception parameters.

A mounting structure of an electronic circuit unit includes a circuit board provided with a high frequency circuit, a metallic casing mounted on the circuit board to cover the high frequency circuit, an F type connector fixed to the casing and protruding approximately perpendicularly to the circuit board, and a flexible cable having one end portion connected to the circuit board. In a state in which the F type connector passes through a mounting hole formed through a set-side panel to protrude outward, at least one of the casing and the F type connector is fixed to the set-side panel by a fixing member, and the other end portion of the flexible cable is connected to a mother board.

In a production method of a micromachine having a space between first and second electrodes, a first electrode is formed on a substrate, and then a stopper film is formed on its surface. Next, a second insulating film is formed as to cover the stopper film. The thickness of the second insulating film is larger than a total thickness of the first electrode and stopper film. Then, second insulating film is polished. By this polishing, the stopper film is exposed to the outside to the outside, and is planarized. After forming an opening in the stopper film, a sacrifice film is burred in the opening. Surfaces of the sacrifice film and second insulating film are planarized, and a second electrode is formed on the second insulating film as to cross the sacrifice film. A space is formed between the first and second electrodes by removing the sacrifice film.

A tuning method comprises: detecting a fundamental intermediate frequency IF0 of a channel to be received; determining whether the fundamental intermediate frequency IF0 is affected by an adjacent channel; when the fundamental intermediate frequency IF0 is affected by the adjacent channel, detecting a tuning intermediate frequency that is not affected by the adjacent channel while changing the fundamental intermediate frequency IF0; when there is no variable intermediate frequency that is not affected by the adjacent channel, detecting a variable intermediate frequency that is least affected by the adjacent channel as the tuning intermediate frequency; and tuning the channel using the tuning intermediate frequency. A tuning apparatus comprises: a tuner for detecting a fundamental intermediate frequency IF0 of a channel to be received, a flash memory for storing a tuning algorithm, and a demodulator for detecting a tuning intermediate frequency while changing the fundamental intermediate frequency IF0, and for tuning the channel using the tuning intermediate frequency based on a prescribed tuning algorithm, the tuning intermediate frequency being a variable intermediate frequency IFn that is not affected by an adjacent channel.

A tuner block in which a modulator and an IF / demodulator circuit are integrally formed. The tuner block has a casing for accommodating a tuner, the IF / demodulator circuit and the modulator, and sixteen pins consecutively disposed at an outside of the casing. A number of the pins is reduced as compared with a conventional tuner block by supplying an electrical power to the modulator and the tuner through a common pin, dispensing with pins carrying unnecessary signals and pins which carry no signal and rearranging other pins. Potential for noise and interference between signals is reduced by maximizing displacements of connector pins which carry signals which are likely to interact. A switching arrangement provides for utilizing either a conventional tuner block or a tuner block according to the present invention on a circuit board.

A personalized media service provides, e.g., user customization of radio channel selections, immediate availability of multiple preprogrammed and / or customized channels, the ability to intersperse different types of content including periodically refreshed information content, availability of personal radio functions on devices such as car audio systems, PDAs, smartphones, MP3 players, etc. Available channels include, e.g., pre-programmed channels selected for the user based on an interest profile, user-owned content, user-specified recorded content, etc. An audio user interface facilitates user selection of programming and user purchase of currently played audio material. An overall radio experience is thus provided that combines the customization and flexibility of digital media with the immediacy and ubiquity of radio. Video materials may also be accommodated.

A voltage controlled oscillator including an inductor circuit including inductors 101, 102, a variable capacitance circuit 110 having variable capacitance elements 111, 112 changing a capacitance according to a voltage difference between two terminals thereof and having capacitive elements 113, 114 cutting a DC component, a negative resistance circuit including cross-coupled oscillating transistors 103, 104, and a time-switched level shift circuit 108 for shifting a reference voltage to two or more levels in a predetermined period. A connection point A of the variable capacitance elements is supplied with a control voltage Vt controlling an oscillation frequency, and connection points B, C of the variable capacitance elements and the capacitive elements are supplied with a reference voltage Vref output from the time-switched level shift circuit 108 via resistors 115, 116.

A tuner device comprising: a tuner module, disposed on a surface of a substrate and comprising: a circuit component adapted to demodulate a signal received from an antenna device; a printed circuit board mounted with the circuit component and a plurality of connector pins extending perpendicular to the surface of the substrate; and a metallic case, housing the printed circuit board so as to shield the circuit component, and made of an unsolderable material; and a bracket made of a solderable material, and fixed to the metallic case while holding the tuner module so as to dispose the tuner module on the surface of the substrate.

A tuner receives service information SI for each of a plurality of channels included in a digital broadcasting signal at one carrier frequency. A service information extraction unit extracts and stores the received service information preset into a memory. The operator selects the service information stored in the memory and acquires a program. The tuner may have a function of automatically scanning the carrier frequency all over the receivable frequency bands and store it. The temporary service information having irregular broadcast time is stored in the memory through an operation of an operation input unit. When the temporary service information is not broadcast, such temporary service information is deleted from the memory.

An RF transmitter comprises a capacitive energy storage, an output stage and a switching circuit with an open state and a closed state. The capacitive energy storage forms with the antenna when connected thereto a resonance circuit with a resonance frequency and a quality factor. The output stage provides an electric transmission signal to the resonance circuit. The switching circuit comprises a first transistor for switching between the open state and the closed state and is connected to an antenna output terminal through a capacitance formed by the capacitive energy storage such that the maximum signal voltage occurring across the switching circuit in its open state is lower than the maximum signal voltage occurring across the antenna output terminals. The transmitter is adapted to alter the quality factor by changing the series resistance of the switching circuit in its closed state.

A tuner and a transformer formed by printed circuit board thereof are provided. The transformer includes a first winding and a second winding. In which, the first winding forms a first inductor and the second winding forms a second inductor. The transformer is formed by the first and the second inductors, wherein the first winding and the second winding are formed by conducting wires of a printed circuit board.

A tuner device includes tuner circuits, where each of the tuner circuits includes a radio frequency amplifier amplifying a radio frequency signal of a transmitted broadcast wave, a frequency mixing circuit performing frequency conversion for the transmitted radio frequency signal, and a local oscillation circuit transmitting a local oscillation signal to the frequency mixing circuit, wherein the local oscillation circuit includes, at least, a reference signal source, a first frequency divider, and a second frequency divider, oscillates a local oscillation signal having a local oscillation frequency, and makes a difference between local oscillation frequencies of the tuner circuits, the difference being generated when the tuner circuits receive the broadcast waves of the same frequency, greater than or equal to a predetermined value.

The regulator circuit includes generation circuit of oscillatory waveform, filter circuit, drive circuit, feedback circuit and control circuit. Output end of the generation circuit of oscillatory waveform is connected to the input end of the filter circuit. The output end of the filter circuit is connected to the input end of the drive circuit. The output end of the drive circuit is connected to the input end of the feedback circuit. The output end of the feedback circuit is connected to the input end of the control circuit. The output end of the control circuit is connected to the input end of the generation circuit of oscillatory waveform. Being output from the drive circuit, the oscillation frequency through the feedback circuit is fed to the control circuit. After analyzing and obtaining optimum resonance point, the control circuit controls the generation circuit of oscillatory waveform to output optimized frequency so as to realize self-adaptive control of oscillatory frequency.