Cellular phone data communication system wherein a parallel interfaced baseband module and a serial interfaced multimedia module are coupled to one another using a parallel/serial conversion module
First Claim
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1. A data communication system in a cellular phone device, comprising:
- a baseband module with a parallel interface;
a multimedia module with a serial interface;
a parallel/serial conversion module coupled to said baseband module and said multimedia module, wherein the parallel/serial conversion module comprises a parallel interface unit with a parallel bus;
a first-in-first-out unit coupled to said parallel interface unit;
a serial interface unit with a serial bus coupled to said first-in-first-out unit; and
a phase locked loop unit that tunes a clock for said parallel interface unit, said first-in-first-out unit, and said serial interface unit;
a display module coupled to said multimedia module;
a first serial bus connecting said parallel/serial module and said multimedia module;
a second serial bus connecting said multimedia module and said display module; and
a bypass signal to enable data to bypass said multimedia module directly from said first serial bus to said second serial bus.
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Abstract
A data communication system comprises a radio frequency module, a baseband module, a memory unit, a parallel/serial module, a multimedia module, an image sensor module and a display module. The parallel/serial module performs digital signal processing and converts parallel bus data into serial bus data, and vice versa. The present invention provides an improved data communication method and system featuring a parallel/serial module that enables a serial data communication within cellular phone modules. The present invention will also reduce the cost of manufacturing and improve the performance of the cellular phone.
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Citations
18 Claims
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1. A data communication system in a cellular phone device, comprising:
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a baseband module with a parallel interface; a multimedia module with a serial interface; a parallel/serial conversion module coupled to said baseband module and said multimedia module, wherein the parallel/serial conversion module comprises a parallel interface unit with a parallel bus;
a first-in-first-out unit coupled to said parallel interface unit;
a serial interface unit with a serial bus coupled to said first-in-first-out unit; and
a phase locked loop unit that tunes a clock for said parallel interface unit, said first-in-first-out unit, and said serial interface unit;a display module coupled to said multimedia module; a first serial bus connecting said parallel/serial module and said multimedia module; a second serial bus connecting said multimedia module and said display module; and a bypass signal to enable data to bypass said multimedia module directly from said first serial bus to said second serial bus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A data communication system in a cellular phone device, comprising:
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a baseband module with a parallel interface; a multimedia module with a serial interface; a parallel/serial conversion module coupled to said baseband module and said multimedia module, wherein the parallel/serial conversion module comprises a parallel interface unit with a parallel bus;
a first-in-first-out unit coupled to said parallel interface unit;
a serial interface unit with a serial bus coupled to said first-in-first-out unit; and
a phase locked loop unit that tunes a clock for said parallel interface unit, said first-in-first-out unit, and said serial interface unit;a display module coupled to said multimedia module; a first serial bus connecting said parallel/serial module and said multimedia module; a second serial bus connecting said multimedia module and said display module; and
;a bypass signal to enable data to bypass said multimedia module directly from said second serial bus to said first serial bus. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A data communication system in a cellular phone device, comprising:
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a baseband module with a parallel interface; a multimedia module with a serial interface; a parallel/serial conversion module coupled to said baseband module and said multimedia module; a display module coupled to said multimedia module; a first serial bus connecting said parallel/serial module and said multimedia module; a second serial bus connecting said multimedia module and said display module; and
,a bypass signal to enable data to bypass said multimedia module directly from said first serial bus to said second serial bus.
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18. A data communication system in a cellular phone device, comprising:
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a baseband module with a parallel interface; a multimedia module with a serial interface; a parallel/serial conversion module coupled to said baseband module and said multimedia module; a display module coupled to said multimedia module; a first serial bus connecting said parallel/serial module and said multimedia module; a second serial bus connecting said multimedia module and said display module; and
,a bypass signal to enable data to bypass said multimedia module directly from said second serial bus to said first serial bus.
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Specification
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Current AssigneePixArt Imaging Incorporated
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Original AssigneePixArt Imaging Incorporated
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InventorsLiu, Ming-Ta, Lu, Chih-Hung, Lin, Cho-Yi
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Primary Examiner(s)Jackson; Blane J
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Application NumberUS11/420,958Publication NumberTime in Patent Office1,316 DaysField of Search455/556.1, 455/557, 455/566, 455/575.1, 455/414.1, 455/550.1US Class Current455/556.1CPC Class CodesG06F 3/1431 using a single graphics con...G09G 2370/045 using multiple communicatio...H03K 5/135 by the use of time referenc...H04M 2250/16 including more than one dis...
