Portable projector

A portable and projector technology, applied in the field of projectors, can solve the problems of inability to operate independently, inconvenient to carry, hinder extension, etc., and achieve the effects of small portability, convenient operation, and reduced volume and size

Inactive Publication Date: 2009-11-11
GUANGZHOU DALING INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The above-mentioned large-scale projection equipment has the following disadvantages: (1) it is large in size and can only be fixed in places such as conference rooms or classrooms, which is inconvenient to carry and use; (2) it is expensive and is not conducive to popularization to families; (3) only It can be used in connection with a PC, does not have an independent operating system, cannot be used independently, lacks intelligence, and has a narrow scope of use; (4) It must be connected to the mains power supply, and is not equipped with an independent power supply, so it cannot be used during a power outage. use
[0004] The lack of large-scale projection equipment seriously hinders its extension to the home appliance market, and cannot meet modern people's requirements for light, thin, and short home appliances.

Method used

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Embodiment Construction

[0024] The portable projector of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0025] The imaging principle of the portable projector of the present invention is as follows figure 1 As shown, first, the LED light source is irradiated on the PBS prism through the lens group, and the PBS prism reflects the light source to the LCOS panel, where the content to be displayed is stored on the LCOS panel, so that the reflected light passing through the LCOS panel 22 has the display content, and the reflected light The light passes through the lens to form an imaging display on the screen 22 .

[0026] The principle block diagram of the system hardware architecture of the present invention, such as figure 2 As shown, the MCU module can use the AK7802 chip, and the peripheral circuit module on the AK7802 chip can include a storage device module, an audio output module, a USB mouse and touchpad module, a U...

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PUM

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Abstract

The invention provides a portable projector. The projector comprises an upper shell, a lower shell, an optical unit and a control mainboard, wherein the optical unit is connected with the control mainboard; connection of the upper shell and the lower shell encapsulates the optical unit and the control mainboard inside; the upper shell is provided with a touch pad, a left key and a right key; the touch pad, the left key and the right key are connected with the control mainboard; and an embedded operating system, namely a Windows CE system, and related initial codes are loaded in a program memory medium of the control mainboard. The portable projector has the advantages that the volume of the projector is reduced while the projecting size and lightness are ensured so that miniature portability is realized; the projector can complete functions of basic daily business, such as projecting PPT, reading documents, entertainment, playing music and movies and the like, can be separated from a PC and used independently, and can be linked with the PC and used as a USB flash drive at the same time; the projector is provided with the corresponding touch pad and the left and right keys so as to facilitate operation; and the projector is provided with an independent battery which can be used for over 1 hour without a power supply, and can electrifyingly and unlimitedly work at the same time.

Description

technical field [0001] The invention relates to the field of projectors, in particular to a portable projector suitable for small conferences or used as electronic entertainment consumer goods. Background technique [0002] At present, the projector market is dominated by large-scale projection equipment, the main component of which is the optical unit. This projector is connected to a PC through a serial port to display the contents of the PC screen. Its main function is to enlarge the display of the contents of the PC screen. [0003] The above-mentioned large-scale projection equipment has the following shortcomings: (1) It is large in size and can only be fixed to conference rooms or classrooms, which is inconvenient to carry and use; (2) It is expensive, which is not conducive to popularization to families; (3) Only It can be connected to a PC, does not have an independent operating system, cannot operate independently, lacks intelligence, and has a narrow range of use...

Claims

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Application Information

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IPC IPC(8): G03B21/14G03B21/16
Inventor 凌代年罗翔周剑波张春苑
Owner GUANGZHOU DALING INDAL
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