Frequency tuning method for phase lock loop A method for frequency tuning in a phase lock loop suitable for use in multi-band VCO wireless systems having very limited initial frequency lock times is disclosed. A predetermined subse...
3
200610091269
Radio frequency tuner A radio frequency tuner comprises one or more tracking filters ahead of at least one frequency changer. A controller has a filter alignment mode and a reception mode. Each filter has one ...
4
200610086885
Tuning circuit
The present invention relates to a filter and, more particularly, to a tuning circuit of a filter for correcting a cut-off frequency of the filter. The tuning circuit comprises a current...
Apparatus for single three-band antenna
An apparatus for a single three-band intenna is provided. The apparatus includes a diplexer being connected to both a first-frequency communication module and a second-frequency communic...
7
200610091805
Semiconductor device
It is an object of the present invention to provide a semiconductor device in which an arrangement area of capacitance can be reduced and resonance frequency can be easily adjusted. The ...
8
200680000341
Broadcast receiver and program A CPU confirms a receivable channel while sequentially changing channel numbers set to an analog front-end unit and specifies an area in which the receivable channel can be received and a...
9
200610077742
Electronic device
An electronic device having a configuration which has an operation body formed in substantially a flat shape and in which a side wall of a lower case is brought into elastic contact with...
TV remote controller with guided search function The television remote controller with the function of guiding search, comprising a call sensing module, a computation module of searching times, a caution module and an adjustment module ...
15
200510134564
Resonant point regulating circuit
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 os...
16
200510122922
Metal oxide semiconductor phaselocked loop circuit
The invention is related to triband tuning circuit of digital TV set, especially related to inner circuit of phase locked loop and switching circuit of wave band therein. The invention i...
17
200510048029
Remote controller with local key for electronic apparatus A local key set on electronic device and used as remote controller consists of key word input unit for inputting control command, control unit for converting inputted control command to b...
18
200510123281
Automatic frequency-hopping remote controller An automatic frequency-hopping remote control device, when the remote control signal is disturbed during transmission, it automatically makes transduction. The remote control device compr...
Remote control systme of electronic machine This invention relates to an electronic machine remote control system including the following steps: multiple exterior machines, an image display machine storing key code values for contr...
21
200510119252
Microcomputer
The invention provides a microcomputer manufacturing remote control transmitter (10) corresponding to various controlled equipment in a short time. The solve method is to set up programm...
22
200510116225
Radio receiving system and radio signal search method The invention relates to a wireless receiver for receiving several wireless signals. Wherein, it comprises planet positioning receiving module, contrast list and wireless connector; the r...
Tuner module This invention relates to tuner components including a tuner set on a first CB and a demodulator set on a second CB separated from the first one and connected to the tuner, and the two CB...
25
200510105997
Method for receiving digital broadcast This invention provides a method for receiving digital broadcast, which first of all records a channel parameter list including multiple watching parameters corresponding to multiple chan...
26
200510105881
TV set remote controller press key locking and removing method
The invention relates to a television press key lock and release method which adopts the following method: 1) storing the press key lock and release order code in the television main con...
27
200510094623
Setting method of programmable remote controller
A method for setting programmable – controlled remote controller includes adding a user boundary surface and interruption subprogram in front of program corresponding function table to...
28
200580000940
Wireless receiver and wireless transmitter
A wireless receiver comprising an antenna (1) for receiving a radio signal in which a transmitted signal has been superimposed on a carrier; a frequency multiplier (3) plus VCXO (2) for ...
29
200510095881
Four freedom degree vacuum tuner The invention discloses a four-DOF vacuum tuner. It includes the vacuum chamber with transparent window and the tuning tools and controller installed in the vacuum chamber. Manage the con...
Frequency channel detecting method This invention relates to a method for detecting channels including: a, a control device detects digital signal channels by a digital signal process end, b, the control device judges if d...
Radio frequency tuner A radio frequency tuner is provided for selecting for reception a channel from a broadband multiple channel radio frequency signal supplied to its input. The tuner comprises an upconverte...
34
200510078669
High frequency signal receiving apparatus A high frequency signal receiving apparatus for use in a portable electronic device has a first tuner section which receives a terrestrial digital TV broadcast signal, selects a channel o...
35
200580001208
Receiving apparatus
A receiving apparatus (10) receives broadcast waves to which service information indicative of at least channel numbers, broadcast station names, and areas to which broadcasts are direct...
Method for scanning channels
The method of scanning channels includes steps: setting up a starting scanning frequency, a time interval, a first threshold, a second threshold; scanning channels by using the starting ...
38
200510075550
Tuner A digital terrestrial tuner has an RF input connected to a filter arrangement, whose output signal is supplied to a zero intermediate frequency frequency changer. The filter arrangement c...
39
200580018704
Frequency tunable arrangement A frequency tunable arrangement (ICT) comprises a tunable oscillator circuit (TOC) that provides an oscillator signal (OS). A controllable frequency divider circuit (CDIV, DBT1, DBT2, DBT...
3 band TV-RF input circuit The present invention relates to a TV-tuner input circuit. The input circuit comprises an RF coupling device via which an aerial input (RFI) is coupled to first (330), second (340) and th...
Tuner arrangement A tuner arrangement is provided comprising one or more tuners. Each tuner has two or more frequency changers, each comprising a mixer and a local oscillator. A controller controls the loc...
Fast searing tuning method of television function
This invention relates to a quick search and tune method for TV factions, in which, TV functions are displayed on the screen by master menu and sub-menus of various levels, related hardw...
46
200510043309
Television program ordering method and device
The ordering method for TV menu comprises: 1) building a channel number list by every one corresponding to one frequency point by auto searching; 2) building a menu number list by every ...
47
200510052709
Channel switching method in broadcast recorder
A channel switching method in a broadcast recorder integrating a set-top box and a hard disk recorder. At the request of the user, channels tuned to by a secondary tuner are switched and...
48
200520010985
Set up box The utility model relates to IPTV technique, particularly to a set-top box that is required to receive IPTV programs. Said set-top box comprises: a power supple unit that supplies power t...
Plug and play wireless image system and its control method
This invention relates to one wireless image system and its control method by use of plug-in type, which comprises the following steps: loading UPnP network agreement television socket b...
Remote control apparatus and control method for image devices
This invention relates to remote control system and especially to the image device remote control device and control method to multiple user, which comprises the following parts: Control...
55
200510004224
Method for setting television tuner automatically
Said invention refers to a method for automatically configuring television tuner. It contains a micro controller, a database and a tuner, utilizing a identification software to identify ...
56
200510004475
Signal search method
The invention relates to a signal search method which comprises: starting to search signal; judging the critical frequency; comparing if the machine scanning frequency is higher than the...
57
200480039567
Frequency control for a mobile communications device A mobile station in a TDMA network can perform automatic frequency using burst in all or any slot in a control channel. This is achieved by identifying the training sequence of an arbitra...
Tuner of TV system and turning method
The system consists of a low noise amplifier used to receive and amplify the TV signals, a quadrature mixer used to combine the received the amplified TV signals and generate first media...
Tuner and method of processing a received RF signal
A television tuner includes a first mixer having an input terminal coupled to a received RF signal for producing an intermediate frequency signal, a notch filter having an input terminal...
Channel searching system and method
This invention relates to a channel searching system and method used in television equipment. Said system includes configuration module, memory module, searching module, comparison modul...
66
200410088009
Selecting apparatus and selecting method
A selecting apparatus is disclosed which includes a selecting unit for selecting an input source from a plurality of sources, a switching unit (SW) for switching content data in the inpu...
67
200410092918
Double conversion tuner The invention provides a tuner comprising a signal input (2) for receiving an input signal comprising multichannel data, a filter (3) having an input coupled to said signal input, the fil...
68
200480035867
A receiver for wireless communication system An RF filtering and amplifying apparatus is proposed, comprising: a plurality of RF filters, connected with each other in a manner of cascade, for filtering the received radio signal leve...
Radio set and control method
The radio set includes following parts: tuner in use for selecting broadcast signal at frequency setup; audio signal processor carries out signal process for the selected broadcast signa...
Energy storage device for loads having variable power rates
An electrical energy storage device for storing electrical energy and supplying the electrical energy to a driving motor at different power levels is disclosed. The electrical storage de...
73
200410078763
Digital tuner
A digital tuner of the invention has: a filter section that selects a desired reception signal from inputted reception signals; a converter section that performs frequency conversion on ...
74
200410055321
Alarm system for vehicle back
The present invention relates to a back warning system for a vehicle. In the present invention, an object that needs an alarm is fully detected and an object that does not need an alarm ...
75
200410076640
Tuner for receiving digital broadcast
A tuner for receiving a digital broadcast is disclosed which prevents application of an unexpected excessively high voltage to a power supply pin or the like upon inspection or adjustmen...
76
200480028407
Broadband single conversion tuner integrated circuits
A tunable receiver is disclosed including a plurality of select filters to perform an initial band selection, a variable-gain low noise amplifier (LNA) whose gain is controlled to preven...
77
200480022542
Fast service scan for digital television receivers
A fast service scan is provided for recovering programming services in a received digital data transmission, such as a digital television transmission. A receiver (100) stores frequency ...
78
200480022608
Channel number sorting for digital television
Channel numbers are provided for a digital television receiver (200) that receives multiple transmissions (100, 110, 120), such as from different regions of a country or from different c...
79
200410068471
Micromachine production method
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....
Micromachine and method of fabricating the same A micromachine successfully reduced in parasitic capacity between input and output electrodes, and having an oscillator configured as ensuring a high S/N ratio under operation at higher f...
84
200410032869
Communication terminal device
To solve a problem that as a TV broadcast frequency setting method by a communication terminal capable of receiving a TV broadcast, a method has been proposed heretofore in which the com...
85
200410033591
Input tuning circuit
An object of the present invention is to improve image interference by increasing the frequency variable range of a trap circuit, which is reduced in a low band. An input tuning circuit ...
Tuner
A tuner is provided for selecting for reception any one of a plurality of channels in a broadband radio frequency signal supplied to its input (1). The tuner comprises a plurality of sta...
Tuner of acoustic device
A turner unit for acoustics contains turning button with button axle extended toward internal direction of acoustics, variable capacitor, driven gear, driving gear. Said invention can ad...
90
200380103431
Oscillator frequency control The present invention is directed towards a method and devices for regulating the frequency of a frequency source (22). A control unit (24) supplies a new control value to the frequency s...
Receiver of double conversion system A receiver of double conversion system wherein unwanted components included in received signals can be removed without fail and wherein the number of constituent parts has been reduced. T...
Improvements to television and radio programme control
A system and method for controlling channel changes in television or digital radio having a tuner or receiver ( 12 ). The system comprises an enhanced zap mechanism ( 34 ) that is operab...
95
03153028
Electronic toning unit
An electronic tuner of the present invention is arranged such that between an input part of the amplifying circuit and the ground serially connected are a coil and a diode, and a capacit...
Automatic frequency control receiver
The invention relates to a receiver of signals [S] received from a wireless network, said receiver working at a so-called reference oscillation frequency controlled by a so-called refere...
98
03819105
Method and apparatus for performing channel detection
A technique for performing channel detection in a device such as a television signal receiver is capable of quickly determining the analog and/or digital broadcast channels available in ...
99
03813114
Method and apparatus for auto-tuning of a radio fm-receiver
In a method of auto-tuning a radio FM-receiver the receiver frequency band is scanned until a FM signal is received meeting criteria for identifying the signal as being of a predetermine...
100
03814646
Tuning system
A tuning system (100) for receiving a radio frequency input signal included in a frequency range, the range having a maximum frequency and a minimum frequency and a plurality of non-over...
