JP3087045U - Small LCD screen conversion device - Google Patents

Abstract

(57) [Summary] The brightness of a small liquid crystal screen provided in a portable small device is low, and it is difficult to see the surface image due to the unclearness of the surface image and the narrow viewing angle range, and the burden on the eyes is large. The present invention relates to a portable small device having a portable small device main body that exposes an existing connection terminal connected to a small liquid crystal screen, and an existing back cover assembled to the portable small device main body. A new connection terminal for connecting to the PC and extracting the LCD screen signal, a conversion processing system that connects to the new connection terminal and converts the LCD screen signal into a screen signal for home television, etc., and a new back cover for assembling the conversion processing system And an output terminal for outputting a signal after conversion processing to a home television or the like extended via a cord on a newly-created back cover, and further, an audio output terminal provided on the main body of the portable small device. A new audio signal extraction terminal connected to the new back cover is attached.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a conversion device for a small liquid crystal screen of a portable small device, and more particularly, to a conversion device for converting a small liquid crystal screen of a portable small device as a display screen for a home television or a personal computer. It is.

[0002]

[Prior art]

 The development of small portable devices equipped with small LCD screens, such as portable liquid crystal game devices and portable liquid product terminal devices, has been remarkable, but the small liquid product screens used in such portable small devices have Development and commercialization have been carried out with emphasis on miniaturization and weight reduction and low power consumption.

[0003]

[Problems to be solved by the invention]

 For this reason, the brightness of the small LCD screen provided in portable small devices is low, it is difficult to see because of the unclear surface image and the narrow viewing angle range, and the burden on the eyes is large, and the game originally In particular, portable LCD game devices are used mainly by children in the growing process, which may lead to eye strain and pseudomyopia, which is of concern.

[0004]

[Means for Solving the Problems]

 In view of the above-mentioned problems, the present invention has been studied, and as a result, a small LCD screen, a portable small device body that exposes the existing connection terminals connected to the small LCD screen on the back surface, and a small LCD device assembled on the back surface of the portable small device body For a portable small-sized device equipped with a removable back cover, a new connection terminal for connecting to the existing connection terminal and extracting the LCD screen signal, and electrically connecting the new connection terminal to the liquid crystal screen signal for home television Alternatively, a conversion processing system that converts and processes as a screen signal of a display for a personal computer, a new back cover formed with the conversion processing system assembled and attachable to the portable small device body, and a code attached to the new back cover And an output terminal for outputting a signal after conversion processing to an extended home television or personal computer display. Ri, further, is obtained by attaching a sound signal extraction terminals to connect to the audio output terminal provided on the portable small device body new back cover.

[0005]

[Action]

 The function of the present invention is to remove the existing back cover attached to the back of the portable small device body of the portable small device and newly connect the existing connection terminal connected to the small LCD screen exposed on the back of the portable small device main body. The terminal is connected, the LCD screen signal is converted by the conversion processing system, and the converted signal is input to a home television or a personal computer display and projected on the screen.

Accordingly, an object of the present invention is to provide a conversion device capable of easily converting a small liquid crystal screen of a portable small device such as a portable liquid crystal game device or a portable liquid crystal terminal device into a display screen for a home television or a personal computer. Is what you do.

[0007]

[Embodiment of the invention]

 Hereinafter, embodiments of the conversion device for a small liquid crystal screen according to the present invention will be described in detail with reference to the drawings.

FIG. 1 is an explanatory view of the embodiment of the conversion device for a small liquid crystal screen according to the present invention with the existing back cover removed, and FIG. 2 is an embodiment of the conversion device for a small liquid crystal screen of the present invention. FIG. 3 is an explanatory view of a state before the new back cover is assembled. FIG. 3 is a front view of the small liquid product screen conversion device according to the embodiment of the present invention in a state where the new back cover is assembled. FIG. 5 is a rear view of the small liquid crystal screen conversion device according to the embodiment of the present invention with the newly provided back cover attached thereto. FIG. It is a block diagram.

The present invention relates to a conversion device for a small liquid crystal screen of a portable small device, and more specifically, converts a small liquid crystal screen of a small portable device as a display screen for a home television or a personal computer. The conversion device for a small liquid crystal screen according to claim 1, wherein the small liquid crystal screen Aa provided on the front surface and the existing connection terminals Ab connected to the small liquid crystal screen Aa are exposed on the back surface. In a portable small device having a portable small device main body A and a removable existing back cover B attached to the back surface of the portable small device main body A, the liquid crystal screen signal is extracted by connecting to the existing connection terminal Ab. Connection terminal 1 for connection to the display device and a liquid crystal screen signal electrically connected to the new connection terminal 1 for display on a home television or a personal computer display (FIG. (Not shown), a conversion processing system 2 for performing conversion processing as a screen signal, a new back cover 3 provided with the conversion processing system 2 and formed so as to be mountable on the portable small device main body A, and the new back cover. 3 is provided with an output terminal 4 for outputting a signal after conversion processing to a home television or a personal computer display extended through a cord.

[0010] Furthermore, the conversion device for a small liquid crystal screen Aa according to claim 2 is the conversion device for a small liquid crystal screen Aa according to claim 1, wherein the audio output terminal provided on the main body A of the portable small device. The audio signal extracting terminal 5 connected to the Ac is attached to the newly provided back cover 3.

That is, portable small-sized devices for implementing the conversion device for small-sized liquid crystal screen Aa of the present invention are portable liquid-crystal game devices, portable liquid-crystal terminal devices, and the like. The existing back cover B is fixed with several screws and can be easily removed by a screwdriver.

A small liquid crystal screen Aa is provided on the surface of the main body A of the portable small device, and a battery accommodating portion for accommodating a plurality of AA batteries as a power source is formed on the existing back cover B. The battery is provided with a removable opening / closing lid on the back surface so that the battery can be replaced.

Next, the existing connection terminal Ab electrically connects the battery and the small liquid crystal screen Aa, and is connected between the portable small device main body A and the existing back cover B. Things.

That is, before attaching the conversion device for the small liquid crystal screen Aa according to the present invention, the screw for assembling the portable small device main body A of the portable small device and the existing back cover B is removed, and the connection of the existing connection terminals Ab is performed. It is released and the existing back cover B is completely removed.

Next, the new connection terminal 1 is for connecting to the existing connection terminal Ab to take out a liquid crystal screen signal, and is of a type that can be combined with the existing connection terminal Ab for convenience. .

Next, the conversion processing system 2 receives a liquid crystal screen signal from the existing connection terminal Ab connected to the small liquid crystal screen Aa via the new connection terminal 1 and converts the liquid crystal screen signal into a signal for a home television or a personal computer. It is converted as a display screen signal.

That is, as shown in the schematic block diagram of FIG. 5, the conversion processing system 2 converts various liquid crystal screen signals of the pixel signal PIXCL, the vertical synchronization signal VS, the horizontal synchronization signal HS, and the dot clock signal DOTCLOCK. An ASIC section 2a for performing pre-processing of RGB conversion such as taking in synchronization, an SRAM buffer section 2b for temporarily storing an RGB image signal when performing processing in the ASIC section 2a, and an ASIC section 2a. A crystal oscillator 2c that oscillates a synchronizing signal, and a DAC digital-to-analog converter that converts red R, green G, and blue B digital signals input to the ASIC unit 2a into red R, green G, and blue B analog signals. A conversion unit 2d for converting RGB signals converted into digital signals into television image output signals; It is provided with a conversion unit 2e.

Further, the converted signal from the RGB conversion unit 2e is output to a video deck VIDEO OUT or S-VIDEO OUT for projecting the signal to a home television TV. In a personal computer display, a personal computer is used. A similar device that replaces the RGB conversion unit 2e is built in the main body VGA, and the RGB conversion unit 2e bypasses the RGB conversion unit 2e.

Next, the new back cover 3 exposes the new connection terminals 1 on the back surface and has the conversion processing system 2 assembled therein. The existing back cover B of the portable small device main body A is assembled therewith. It is to be assembled with the screw that was used.

Further, the output terminal 4 outputs the converted signal obtained by converting the liquid crystal screen signal by the conversion processing system 2 of the newly installed back cover 3 to a home television or a personal computer display. It is a well-known device that is inserted through an input terminal provided on a display for a personal computer and extends through a cord.

The audio signal output terminal 5 is connected to an audio output terminal Ac provided in the portable small device main body A. The audio signal AUDIO is taken out as it is or is amplified and used for a home television or a personal computer. The display for output is AU DIO-OUT, and is attached to the new back cover 3.

[0022]

[Effect of the invention]

 The small-sized liquid crystal screen conversion device of the present invention can be viewed by a large number of people at the same time by displaying a small-sized liquid crystal screen on a home television or a personal computer display by the above-described configuration. Multi-player games can be easily enjoyed, and furthermore, the large, clear TV screen and loud sound make it easy for portable LCD game devices, etc., to enjoy pursuing games. This is a revolutionary and highly practical device.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a small liquid crystal screen conversion device according to an embodiment of the present invention in a state where an existing back cover is removed.

FIG. 2 is an explanatory view of the embodiment of the small-sized liquid crystal double-sided conversion device according to the present invention before a new back cover is assembled.

FIG. 3 is a front view of the small liquid product screen conversion apparatus according to the embodiment of the present invention in a state in which a new back cover is assembled.

FIG. 4 is a rear view of the small liquid crystal screen conversion device according to the embodiment of the present invention in a state where a new back cover is assembled.

FIG. 5 is a schematic block diagram illustrating a conversion processing system according to an embodiment of the small liquid crystal screen conversion device of the present invention.

[Explanation of symbols]

 A Small portable device body Aa Small liquid crystal screen Ab Existing connection terminal Ac Audio output terminal B Existing back cover 1 New connection terminal 2 Conversion processing system 2a ASIC section 2b SRAM buffer section 2c Crystal oscillation section 2d DAC digital-to-analog conversion section 2e RGB conversion Part 3 New back cover 4 Output terminal 5 Audio signal extraction terminal

Claims (2)

[Utility model registration claims] 1. A small liquid crystal screen provided on a front surface, a portable small device main body for exposing an existing connection terminal connected to the small liquid crystal screen to a back surface, and a detachable assembly mounted on the back surface of the portable small device body. In a portable small device having an existing back cover, a new connection terminal for connecting to the existing connection terminal to take out a liquid crystal screen signal, and electrically connecting the new connection terminal to the liquid crystal screen signal for home television or A conversion processing system for performing conversion processing as a screen signal of a display for a personal computer, a new back cover formed by assembling the conversion processing system and being attachable to the portable small device main body; An output terminal for outputting a signal after conversion processing to a home television or a personal computer display extended by extension. Converter system for a small LCD screen. 2. The small-sized liquid crystal screen conversion according to claim 1, wherein an audio signal extraction terminal connected to an audio output terminal provided on the portable small device main body is provided on the newly provided back cover. apparatus.