CMMB mobile television rod having Micro SC memory card reader

A card reader, mobile TV technology, applied in the direction of TV, color TV, color TV components, etc., can solve the problems of inconvenience to carry, occupation, etc.

Inactive Publication Date: 2009-04-29
JCET GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will not only occupy the limited number of USB ports on the computer, but also cause inconvenience to people when carrying it out.

Method used

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  • CMMB mobile television rod having Micro SC memory card reader
  • CMMB mobile television rod having Micro SC memory card reader
  • CMMB mobile television rod having Micro SC memory card reader

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] image 3 is a functional block diagram of an embodiment of the present invention, its comprehensive figure 1 , figure 2 The function is divided into three parts: CMMB signal receiving demodulation circuit part, Micro SD memory card reader circuit part and USB HUB circuit part. Described CMMB signal reception demodulation circuit comprises three parts of tuner, demodulator and USB controller, CMMB signal reception demodulation circuit and Micro SD memory card reader circuit two-way signal is connected to USB HUB circuit, finally through USB interface Connect to a computer, and use the Micro SD memory card to store data while watching CMMB programs.

[0016] The CMMB signal is connected to the tuner chip through an external antenna to obtain two sets of differential signals, see Figure 4 1 part of . After the differential signal is demodulated by the demodulator chip and channel decoded, the data stream in the corresponding frame format is obtained, see Figure 4 2...

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PUM

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Abstract

The invention relates to a CMMB mobile USB dongle with a card reader of a Micro SD storage card, which is mainly used for receiving China mobile multimedia broadcast signals. The USB dongle comprises a CMMB signal receiving demodulation circuit, a card reader circuit of the Micro SD storage card, a USB HUB (network) circuit and a USB interface; two path signals of the CMMB signal receiving demodulation circuit and the card reader circuit of the Micro SD storage card are connected to the USB HUB circuit, and then are connected to a computer by the USB interface. The CMMB mobile USB dongle with the card reader of the Micro SD storage card both has the function of the CMMB mobile USB dongle and the function of the card reader of the storage card, and only occupies one USB interface of the computer.

Description

(1) Technical field [0001] The invention relates to a USB device. Specifically related to Micro SD memory card reader and CMMB mobile TV stick. It is mainly used to receive China Mobile multimedia broadcasting signals. (2) Background technology [0002] In October 2006, the State Administration of Radio and Television officially promulgated the China Mobile Multimedia Broadcasting Standard CMMB. The full name of CMMB is China Mobile Multimedia Broadcasting, namely: China Mobile Multimedia Broadcasting. CMMB is mainly oriented to small-screen handheld terminal equipment, and its terminal product categories mainly include MP4, mobile phone, GPS, USB TV stick, independent receiver, etc. Provide digital radio and television programs, comprehensive information and emergency broadcast services, and realize seamless coordinated coverage of satellite transmission and terrestrial network. Its terminal product, the mobile TV stick, uses a USB interface to connect to a computer. Af...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/00H04N5/44G06K7/00G06F13/38H04N21/414
Inventor 王新潮
Owner JCET GROUP CO LTD
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