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6876402 |
Television tuner intermediate-frequency circuit that hardly suffers disturbance of adjacent channel
1. The object of the invention is to configure so that a video intermediate-frequency signal and a voice intermediate-frequency signal respectively included in an adjacent channel can be damped...
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6870579 |
Smart-channel: learning-capable television channel changing apparatus, system and method
System and method for learning the optimal channel change instruction recognition speed for an entertainment system. A memory stores information relating to: time increments between channel change...
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6867819 |
Digital television receiver and antenna control method therein
A digital television receiver and antenna control method in the digital television receiver are disclosed. The digital television receiver includes and antenna having directivity according to a...
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6864925 |
Television tuner having less distortion
A television tuner includes an input tuning circuit and an interstage tuning circuit. Each of the tuning circuits comprises a band-switching tuning circuit having a tuning inductor and a switching...
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6864926 |
Channel tuning apparatus
A channel tuning apparatus which improves operability by eliminating a need for a user to select a CATV mode and allows reliable channel tuning without misjudging the presence or absence of signals...
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6864924 |
Television tuner input circuit having satisfactory selection properties at high band reception
The present invention provides a television tuner input circuit having satisfactory selection properties free from influence by half of signal frequencies to be received. The television tuner input...
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6847407 |
Digital television receiver
A digital television receiver that can perform analog/digital and main/sub picture functions only using an analog tuner and an analog/digital-combined tuner is disclosed. The digital television...
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6842198 |
TV signal receiving tuner capable of outputting oscillation signal having wide frequency band by means of single local oscillator
A TV signal receiving tuner which is small in size and inexpensive due to a reduced number of local oscillators. In the TV signal receiving tuner, a local oscillation signal output from a local...
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6833878 |
Channel selection device for use in broadcasting receiver and broadcasting receiver equipped with the same
In a channel selection device used in a broadcasting receiver, each time a channel UP/DOWN key is pressed for changing a channel, the channel number is changed upward/downward by one immediately...
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6831705 |
Television tuner and television receiver
The television tuner 15a has a reference frequency for each channel number of television radio wave, and can be tuned to a television radio wave of a channel number on the basis of a reference...
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6825874 |
Monitoring the degree of action in video transmissions
A system enables the user to monitor a number of channels to determine the degree of action occurring on each of those channels which are not currently tuned for reception. The system may develop a...
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6822697 |
Television tuner that generates no interfering signal
Needless signal that causes interference is prevented from entering to eliminate the generation of interfering signal. A television tuner is provided with a band switching circuit to which...
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6822693 |
Television tuner that changes the rendering of a digital television broadcast according to information displayed on a scoreboard during a sporting event
A television tuner and method monitor a scoreboard during a television sporting event and affect the viewing and/or recording of the sporting event according to information on the scoreboard. For...
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6816203 |
Method and apparatus for isolating noise from a tuner in a television signal receiver
An apparatus (100) for isolating a noise intolerant device (110) from a source of noise includes a digital bus (104/105). A processor (101) outputs clock signals and first data signals and receives...
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6813643 |
Multimedia system with selectable protocol module including MPEG logic and docsis logic sharing a single tuner
A multimedia apparatus is described comprising: a tuner for tuning to a carrier frequency and down-converting a frequency-modulated multimedia signal to a baseband multimedia signal; a selectable...
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6807677 |
TV program usage information setting method and apparatus using the same
A TV program usage information setting method and apparatus using the same which simply reserve information of a specific TV program which is periodically broadcasted on certain day and time and...
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6801262 |
Variable delay channel scan
Channel changing apparatus for automatically scanning or incrementing the channel on a radio, television or other receiver and pausing for a set period of time on each channel to allow a user to...
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6791626 |
Input switching circuit for a television tuner immune to interference due to FM broadcasting signal
An input switching circuit for a television tuner includes first and second switching circuits provided between first and second input terminals to which a television signal and an FM broadcasting...
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6784945 |
System and method for providing fast acquire time tuning of multiple signals to present multiple simultaneous images
A multiple information decoding system and method are provided in which multiple information content is decoded sequentially and provided to a viewer such that the viewer perceives the information...
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6782549 |
Programme retrieval system and method, and storage in which programme retrieval program is stored
A programme retrieval system and method wherein a desired broadcast programme can be retrieved without fail by setting up a proper relationship between a time length of pre-registered video/audio...
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6765626 |
Digital television signal receiving unit with simplified structure and lowered influence to unit generated noise
The cost of a receiving unit is reduced by simplifying its structure and the receiving unit structure further reduces the unit from being influenced by noises and the like generated by the main...
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6765628 |
Method and apparatus for searching channels
A method for searching a predetermined satellite channel by making use of information available from the satellite. The method comprises three steps. The first step is searching for a service...
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6760079 |
TV tuner unit having a resonance network
A TV tuner unit uses a frequency-selective element before or after the resonance stage of either a UHF or VHF tuner for separation of UHF signals from VHF signals. Thus, performance is preserved...
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6757029 |
Television receiving apparatus
A television receiving apparatus for receiving an analog television broadcast and a digital television broadcast is disclosed, that comprises a tuner means for receiving both an analog television...
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6757028 |
Television tuner for reducing power consumption and video device using the television tuner
When a television signal is not received, supply of a power supply voltage to the inner circuits is stopped to save the electric current consumed. A television tuner comprises at least a mixer...
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6750734 |
Methods and apparatus for tuning an LC filter
A receiver, such as a television receiver, tunes an inductive (“L”) and capacitive (“C”) filter based on a desired frequency. The LC filter includes a plurality of inductors, configured in at leas...
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6744477 |
Updating transmitter data stored in a preset channel memory
A system for updating transmitter data stored in a preset channel memory, includes a processing unit, a tuner controlled by the processing unit, and a control unit for a user to control the...
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6741293 |
Digital and analog broadcast receiver, and digital and analog broadcast reception and output method
A digital TV receiver 2 receives digital TV broadcasts and an analog TV receiver 1 receives analog TV broadcasts. A switching control 6 switches between either digital or analog signals to a...
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6734804 |
Automatic channel memory and selection method for a television set
An automatic channel memory and selection method for a TV set for automatically memorizing each channel having a broadcast signal with a single input of an automatic channel set-up key regardless...
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6731349 |
Tuner with at least a first and a second frequency band
The invention relates to a tuner with at least a first and a second frequency band and with means for effecting a switch-over between the frequency bands, which tuner comprises a signal input...
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6731348 |
Television tuner having simple layout and capable of receiving FM broadcast signals without interference
A television tuner includes a mixer circuit for receiving a television signal or an FM signal, and a local oscillator circuit for generating an oscillation signal received by the mixer circuit....
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6727960 |
Television channel selection method and apparatus
A channel selection method for simultaneously displaying video data of a plurality of virtual channels of one channel in the form of still images, in SD format broadcasting according to an ATV...
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6724440 |
Tuning apparatus for a frequency synthesizer tuner
A tuner for receiving a video broadcast signal comprises commendable circuits (6, 7, 8, 17) to select a tuned frequency, the tuner comprising a bus interface (21) receiving data bytes and among...
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6724441 |
Tuning system and method in broadcast signal receiver
A tuning system and a tuning method in a broadcast signal receiver, in which a radio frequency (RF) spectrum signal adopting an inverting method is filtered by an asymmetric bandpass filter of a...
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6721017 |
Television tuner's intermediate frequency tuning circuit capable of receiving FM broadcast signals
The present invention realizes a small-size and inexpensive television tuner's intermediate frequency tuning circuit that can be used for both television intermediate frequency signals and FM...
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6721018 |
Method and apparatus for decreasing the time required to generate a channel map in a television signal receiver
In a television signal receiver having two or more tuners, initial channel mapping can be expedited by simultaneously using all tuners in parallel to map the receivable channels. A processor...
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6714262 |
Channel selection device for receiving digital TV broadcasting, receiving device and channel selection method
A tuner unit generates a local oscillation signal which is multiplied by a received first IF signal to change the frequency of the received first IF signal, and converts the frequency-changed first...
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6714261 |
CATV tuner for high speed data communication utilizing a different frequency band
A tuner has a receiving unit receiving a signal input from a CATV station to an HPF. In the receiving unit, the signal is attenuated by a PIN attenuator circuit with the gain based on the signal...
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6714263 |
Multiple conversion tuner
A multiple conversion tuner comprises a plurality of cascade-connected frequency changers, each of which comprises a mixer and a local oscillator. The tuner also comprises a local oscillator...
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6710816 |
Digital broadcast receiver and method for receiving and outputting digital broadcasts
A digital broadcast is received by a receiving unit 5, and is output from a speaker 9. During a waiting time for changing-over of channels, or the like, a control unit 11 causes a holding sound...
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6707508 |
Channel entry for selection of a channel
A system and method for processing a channel entry is presented. In one embodiment, the receiving mode of an apparatus is first determined. A first channel entry format is then displayed, if it is...
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6708336 |
Method of and apparatus for generating and searching a database
A method and apparatus for generating a database in a memory. Program identifying information is received from a service provider, the program identifying information comprising at least one...
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6704062 |
Method for channel selection without confirmation operation by user
In a television set that displays images of a specified broadcast channel out of broadcast waves received by a receiving unit (3), a channel selection number corresponding to a broadcast channel to...
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6700629 |
Video intermediate frequency processing apparatus
When adjusting a free-running frequency of a voltage controlled oscillator, the video intermediate frequency processing apparatus receives a VIF-DEFEAT signal to a VIF-AMP to minimize gain of the...
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6697607 |
Automatic receiver control upon initialization
A broadcast receiver such as a radio, television, or web browser, which automatically tunes to a preselected signal source upon initialization for a predetermined period of time. During this period...
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6697128 |
Video frequency response
For optimum videotex data coding, for error-free functioning of so-called descramblers and—not least—for the impression of improved detail resolution on the screen of a television set of dis...
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6686972 |
VSB reset to minimize data loss
A receiver for VSB signals includes tuner channel changing circuitry. AGC circuitry, an IF FPLL and confidence counters, for indicating when signal acquisition or loss occurs. When a loss of signal...
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6678012 |
LNB drift search system for DBS products
The present invention concerns a digital signal tuning apparatus which includes an offset frequency correction system. In the offset frequency correction system, searching for an offset signal...
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6678013 |
Intermediate frequency circuit of digital television tuner having flat transmission characteristic in intermediate frequency band
Disclosed is an intermediate frequency circuit of a digital television tuner having a flat transmission characteristic in an intermediate frequency band and in which a transistor is prevented from...
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6675388 |
Data distribution system using coordinated analog and digital streams
The present invention uses multiple broadcast television channels to distribute high volume of data to a client device from a server. Multiple analog channels are broadcast, at least one of which...
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