CN201039132Y - A mobile phone that can use a projector for display - Google Patents

Abstract

The mobile phone that uses the projector for display proposed by the utility model includes a microprocessor and a projector, which also includes image information and a signal conversion module, and the above-mentioned microprocessor transmits the above-mentioned image information to the above-mentioned signal conversion module, and the above-mentioned signal The conversion module converts the above image information to generate an analog signal, and then transmits it to the above projector for demonstration. On the basis of the existing mobile phone technology, the utility model adds a signal conversion module to convert the image information of the mobile phone into a signal that can be recognized by the projector, thereby realizing the function of using the projector to demonstrate the picture information and animation information of the mobile phone.

Description

A mobile phone that can use a projector for display

technical field

The utility model relates to a mobile terminal, in particular to a mobile phone which can use a projector for display.

Background technique

Mobile phones (also known as mobile phones) are getting lighter and lighter, and their functions are more and more powerful. Users not only require mobile phones to have the functions of calling and sending and receiving text messages, but also hope to have functions such as sending and receiving emails, browsing the web, playing MP3, playing movies, playing TV, taking pictures, recording, video, conference calls, and GPRS. These functions bring great convenience to people, meet the fast-paced and high-efficiency social needs, and are very popular among users. Manufacturer's subsidiary functions and operator's value-added services are also constantly enhanced and expanded.

At present, projectors (also known as projectors) have already been popularized by companies large and small all over the world due to their remarkable advantages such as convenient use, clear display, and ability to recognize multiple input formats.

In order to enhance the additional functions of mobile phones, some chip manufacturers have developed and commercialized chips that can output various multimedia signals. If these chips allow mobile phones to output signals to projectors or TVs, it will greatly facilitate mobile phone users.

Utility model content

The purpose of the utility model is that the mobile phone user can directly use the small and exquisite mobile phone to demonstrate the image information to be demonstrated through the projector without using a heavy desktop or notebook computer.

The technical problem to be solved by the utility model is that on the basis of the existing mobile phone technology, a signal conversion module is added to convert the image signal of the mobile phone into a signal that can be recognized by the projector, so as to realize the demonstration of mobile phone picture information, The function of animation information.

The utility model proposes a mobile phone that can be displayed by a projector, including an antenna, a casing, a receiver, a liquid crystal display, buttons, a microphone, and a microprocessor, and it also includes a device for signal conversion of the image information of the mobile phone. A signal conversion module, the above-mentioned microprocessor transmits the above-mentioned image information to the above-mentioned signal conversion module, and the above-mentioned signal conversion module converts part of the above-mentioned image information to generate an analog signal, and then transmits it to the projector for demonstration.

The above-mentioned image information generally includes column synchronization signal, row synchronization signal, luminance information (hereinafter referred to as Y information) and chrominance information (hereinafter referred to as C information) and the like.

The conversion of part of the above-mentioned image information by the above-mentioned signal conversion module is that the above-mentioned signal conversion module mixes the red information (hereinafter referred to as Cr information) and blue information (hereinafter referred to as Cb information) in the above-mentioned C information into one channel of C information, and The Y information and the C information are sent to the digital-to-analog converter for conversion to generate an analog signal in Y/C mode.

The above-mentioned microprocessor first initializes the above-mentioned signal conversion module through the I ² C bus, and then transmits it to the above-mentioned signal conversion module through a data line, and the above-mentioned data line can be, for example, an 8-bit parallel data line.

The above-mentioned analog signal is transmitted to the above-mentioned projector through a cable for presentation.

The utility model proposes a mobile phone that can be displayed by a projector. On the basis of the existing mobile phone technology, a signal conversion module is added to convert the image information of the mobile phone into a signal that can be recognized by the projector. The signal received by it is output to a projector or a TV display, which greatly facilitates the users of the mobile phone.

Below in conjunction with accompanying drawing, the specific embodiment of the utility model is described in further detail. For those skilled in the art, the above and other objects, features and advantages of the present invention will be apparent from the detailed description of the present invention.

Description of drawings

Fig. 1 is a system block diagram of a preferred embodiment of the utility model.

Detailed ways

Please refer to Fig. 1, this figure is a system block diagram of a preferred embodiment of the present utility model. The mobile phone of the present utility model comprises an antenna, a casing, a receiver, a liquid crystal display screen, a button, a microphone (not shown in the figures of the above parts), a microprocessor 1, which also includes a signal conversion module 2, and the above-mentioned microprocessor The device 1 transmits the image information of the mobile phone to the above-mentioned signal conversion module 2, and the above-mentioned signal conversion module 2 converts the above-mentioned image information to generate an analog signal, and then transmits it to the projector 3 for presentation.

The microprocessor 1 first initializes the signal conversion module 2 through the I2C bus; then the microprocessor 1 transmits the image information to the signal conversion module 2 through the 8-bit parallel data line. The image information of a mobile phone generally contains a column synchronization signal, a row synchronization signal, Y information, Cr information and Cb information. The above-mentioned microprocessor 1 can transmit the above-mentioned column synchronous signal, row synchronous signal, Y information, Cr information, and Cb information to the signal conversion module 2, and the signal conversion module 2 mixes the Cr information and the Cb information into one C information, and Send the Y information and C information to the digital-to-analog converter inside the signal conversion module 2 for conversion to generate an analog signal in the Y/C mode, and then transmit it to the projector 3 for demonstration through the cable. The signal of the above-mentioned signal conversion module 2 Output and input are controlled by 27M clock 4. In this embodiment, the baseband chip of the GSM module of the above-mentioned microprocessor 1 adopts AD6720 (product of ADI Company), and the core chip of the above-mentioned signal conversion module 2 adopts ADV7179 (product of ADI Company). The chip AD6720 of the above-mentioned microprocessor 1 has a 16bit/8bit data interface and 17 GPIO ports (which can be configured as I ² C interfaces). The input signal format of the core chip ADV7179 of the above signal conversion module 2 is CCIR-656 4:2:2 8-bit parallel format, and the output signal format is S video format.

Of course, the utility model also has other embodiments. Without departing from the spirit and essence of the utility model, those skilled in the art can make various corresponding changes and deformations according to the utility model, but these corresponding All changes and deformations should belong to the protection scope of the claims of the present utility model.

Claims (5)

1. mobile phone that can use projecting apparatus to show, comprise antenna, casing, receiver, LCDs, button, transmitter, microprocessor, it is characterized in that also comprising that the image information that mobile phone is received carries out the conversion of signals module of conversion of signals, above-mentioned microprocessor passes to above-mentioned conversion of signals module with above-mentioned image information, above-mentioned conversion of signals module is changed the above-mentioned image information of part, generate analog signal, pass to projecting apparatus again and demonstrate.

2. mobile phone according to claim 1 is characterized in that being connected by cable between described conversion of signals module and the described projecting apparatus.

3. mobile phone according to claim 1 is characterized in that, the model of the acp chip of above-mentioned conversion of signals module is ADV7179, and described mobile phone also comprises clock module, in order to the clock signal of 27MHz to be provided to described acp chip ADV7179.

4. mobile phone according to claim 1 is characterized in that, described microprocessor adopts the baseband chip of gsm module.

5. mobile phone according to claim 4 is characterized in that described baseband chip is provided with 16bit/8bit data-interface and universal input and output port.

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