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Universal television receiver

A receiver and signal technology, applied in the direction of TV, color TV, high-definition TV system, etc., can solve the problems of expensive SAW filter, not easy to allow TV receivers, etc.

Inactive Publication Date: 2012-12-19
FRESCO MICROCHIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

SAW filters are relatively expensive components that cannot be integrated on a chip and do not easily allow television receivers to receive television signals transmitted according to different television broadcasting standards without further specialized processing

Method used

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  • Universal television receiver
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Experimental program
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Embodiment approach

[0090] It should be appreciated that, for simplicity and clarity of illustration, elements shown in the figures have not necessarily been drawn to scale. Further, where considered appropriate, reference numerals may be repeated among the figures to indicate corresponding or analogous elements. Additionally, numerous specific details are set forth in order to provide a thorough understanding for practicing the various embodiments described herein. However, it will be understood by those of ordinary skill in the art that the various embodiments described herein may be practiced without these specific details. In other instances, some methods, procedures and components have not been described in detail since they are already known by those skilled in the art. Also, it should be understood that the word "exemplary" is used herein to refer to an exemplary implementation of a device or method, and does not necessarily indicate a preferred implementation of the device or method.

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Embodiment approach ）

[0309] It should be noted that the filtering and downsampling performed by different blocks in the television receiver 100 can be realized by cascading several filters and downsamplers. This results in increased implementation efficiency and greater processing efficiency, since filters with a smaller number of filter taps can be used. Further, it should be noted that the sampling rate, the degree of downsampling and the sequence order of different filters, downsamplers and frequency rotators can be adjusted for a more efficient implementation. Furthermore, it should be understood that the digital processing block 108 is implemented as a combination of an application specific integrated circuit and a digital signal processor, having registers and memory, and the like. Therefore, the functions of the blocks in the digital processing block 108 are implemented using a combination of hardware and software. It should be further understood that these different blocks in the digital ...

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Abstract

Various embodiments are described herein for a universal television receiver which is capable of processing television channel signals broadcast according to a variety of analog and digital broadcast standards.

Description

[0001] This application is a divisional application of the application with the filing date of March 12, 2008, the application number of 200880015924.1, and the invention name of "Universal Television Receiver". [0002] References to related applications [0003] This application claims priority from US Provisional Patent Application Serial No. 60 / 894,832, filed March 14, 2007, and US Nonprovisional Patent Application Serial No. 12 / 038,781, filed February 27, 2008. technical field [0004] Various embodiments of systems, system blocks, and corresponding methods are described herein that relate to a universal television receiver that can process television signals broadcast according to different television broadcast standards. Background technique [0005] Television signals are broadcast according to several different types of television broadcast standards. These television broadcast standards include variations of NTSC, SECAM, and PAL for analog signals, and variations ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/46H04N7/64H04N7/06H04N9/64H04N19/89
CPCH04N19/00933H04N5/46H04N7/64H04N21/42638H04N9/642H04N7/06H04N19/89H04N5/44H04N7/015H04N19/20
Inventor C·奥斯丽思S·塞尔比L·格丽格盖恩V·夏伊夏金L·西维尔W·辛诺特C·奇尤E·塔姆G·成
Owner FRESCO MICROCHIP
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