CN200969618Y - Portable scanning device for performing image recording by frame shot area - Google Patents

Abstract

A portable scanning device used in determination of shooting region to input graph-text belongs to the computer graph-text information input field. The technical point of the utility model is that it provides a portable scanning device which can input the graph-text information through determination of shooting region, including an auto-focusing camera equipment, an aperture regulating device, a set of lamps and a storage device. The lamps used to generate high bright rectangular aperture when object file irradiated are composed of fixed lamp and movable lamp. The aperture regulating device is used to regulate the size of the rectangular aperture to determine the needed shooting region of the object file and the auto-focusing camera equipment can shoot the determined region, make the shooting information be stored into the storage of the device. The shooting range of the utility model device is extensive, small to a line of characters, a word, large to over an A4 paper range of file. The utility model has quite strong flexibility and adaptability, visual and accurate, cheap in cost, ingenious in appearance and easy to carry.

Description

By confining the portable scanning device that shooting area carries out the picture and text typing

Affiliated technical field

The utility model belongs to computer peripheral, specifically belongs to the scanner field, is mainly used in the graph text information typing.

Background technology

At present, the equipment that carries out the graph text information typing also has digital camera with high costs except traditional scanner, and digital camera light with it, do not take characteristics such as working space the trend that replaces conventional scanner arranged greatly.Digital camera is generally confined by its display screen of Direct observation and is treated shot region, this mode is directly perceived really, but the screen that needs an amount of size and energy display image, therefore have the digital camera of shoot function, need design enough big display screen, will inevitably increase cost, and there is not the idiot camera of screen, can't accurately confine effective coverage especially, a large amount of garbages that photograph can cause the postorder processing to carry out automatically, need manual intervention.

The utility model content

Technical problem to be solved in the utility model provide a kind of cost low, easy to carry, confine the portable scanning device that shooting area is realized the graph text information typing accurately.

The utility model solves the problems of the technologies described above the technical scheme that is adopted and provides a kind ofly by confining the portable scanning device that shooting area carries out the graph text information typing, and this device comprises a processor, comprises an automatic focus picture pick-up device, aperture adjusting device, one group of fluorescent tube, key board unit, data-interface, memory, power supply at least; The processor connected storage is built system's operation platform jointly; Fluorescent tube is connected with iris aperture regulator with processor respectively, is used for producing on irradiated file destination the aperture of high illumination; Iris aperture regulator connection processing device is used to regulate size and the length-width ratio of described aperture on file destination, to confine shooting area; The automatic focus picture pick-up device is connected with processor, is used to take described aperture, and stores photographing information into memory; Keyboard is connected with processor, is used to obtain the command information that the user sends; Data-interface is connected with processor, is used for data input and output; Power supply is described scanning means power supply.

Described fluorescent tube comprises fixed lamp tube and mobile fluorescent tube; Fixed lamp tube constitutes an integral body by three fluorescent tubes, along plane coordinates Y-axis vertical direction a fluorescent tube is set, along plane coordinates X-axis horizontal direction two parallel fluorescent tubes are set, these two parallel fluorescent tubes are connected with two end points of fluorescent tube of vertical direction, mobile fluorescent tube be arranged on fixed lamp tube along on the perpendicular Y direction of two parallel fluorescent tubes of X-direction, and parallel with the fluorescent tube of fixed lamp tube along Y direction.

Further, the automatic focus picture pick-up device is fixed in fixed lamp tube and the plane, mobile fluorescent tube place, between the fluorescent tube and mobile fluorescent tube of fixed lamp tube Y-axis vertical direction, is equal to two parallel fluorescent tube distances of fixed lamp tube X-direction; The light that described fixed lamp tube outwards irradiates is center and outer certain angle partially with automatic focus picture pick-up device camera lens, outer drift angle degree must be less than half of the automatic focus picture pick-up device angle of visual field, the light that described mobile fluorescent tube outwards irradiates is center and outer certain angle partially with automatic focus picture pick-up device camera lens also, outer drift angle degree must be equally less than half of the automatic focus picture pick-up device angle of visual field.

Further, described mobile fluorescent tube is identical with fixed lamp tube light-emitting window width, between 0.5～5mm.

The beneficial effects of the utility model are that coverage is extensive, and is little of a word, delegation's literal, big to the file that surpasses A4 paper scope, possesses very strong flexibility and adaptability; Substitute display screen with fluorescent tube and confine shooting area, not only intuitively but also accurate; With low cost, elegant in shape, can carry.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described further, wherein:

Fig. 1 is the structural texture block diagram of the portable scanning device that proposes of the utility model;

Fig. 2 is the syndeton schematic diagram of the portable scanning device that proposes of the utility model;

Fig. 3 is that the fluorescent tube of the utility model embodiment is laid and mobile schematic diagram.

Description of reference numerals:

1 is processor; 2 are the automatic focus camera; 3 is iris aperture regulator; 4 are fluorescent tube (comprising mobile fluorescent tube and fixed lamp tube); 5 are keyboard (comprise the fluorescent tube switch and take switch); 6 is data-interface; 7 is memory; 8 is power supply; 9 is the circuit control main board; 10 are aperture adjusting button.

41 is fixed lamp tube; 42 is mobile fluorescent tube; 43 parts that are blocked for fixed lamp tube; 51 is the fluorescent tube switch; 52 for taking switch.

Embodiment

Be elaborated below in conjunction with the execution mode of accompanying drawing to the application.

Fig. 1 is the structural texture block diagram of the portable scanning device that the utility model proposed, and this device comprises a processor 1, comprises an automatic focus picture pick-up device 2, aperture adjusting device 3, one group of fluorescent tube 4, key board unit 5, data-interface 6, memory 7, power supply 8 at least; Processor 1 connected storage 7 is built system's operation platform jointly; Fluorescent tube 4 is connected with iris aperture regulator 3 with processor 1 respectively, is used for producing on irradiated file destination the aperture of high light; Iris aperture regulator 3 connection processing devices 1 are used to regulate size and the length-width ratio of described aperture on file destination, to confine shooting area; Automatic focus picture pick-up device 2 is connected with processor 1, is used to take described aperture, and stores photographing information into memory 7; Keyboard 5 is connected with processor 1, is used to obtain the command information that the user sends; Data-interface 6 is connected with processor 1, is used for data output and input; Power supply 8 is described scanning means power supply.

Fig. 2 is a syndeton schematic diagram of the utility model device, comprises circuit control main board 9, and circuit control main board 9 comprises the main circuit part of the utility model device; Data-interface 6 is finished the data output and input of the utility model device and miscellaneous equipment; The Push And Release of fluorescent tube switch 51 control fluorescent tubes is taken taking pictures of switch 52 control automatic focus picture pick-up devices, and aperture is regulated shape and the size that button 10 control fluorescent tubes 4 are radiated at the aperture that produces on the file destination, regulates its length-width ratio equidimension; The aperture that fluorescent tube 3 produces on file destination has very high brightness.

Fig. 3 lays and mobile schematic diagram for the fluorescent tube of the utility model device, fixed lamp tube 41 constitutes a complete integral body by three fluorescent tubes, along plane coordinates Y-axis vertical direction a fluorescent tube is set, along plane coordinates X-axis horizontal direction two parallel fluorescent tubes are set, these two parallel fluorescent tubes are connected with two end points of fluorescent tube of vertical direction, and fixed lamp tube 41 can be a U-shaped fluorescent tube; The automatic focus picture pick-up device is fixed in fixed lamp tube and the plane, mobile fluorescent tube place, between the fluorescent tube and mobile fluorescent tube of fixed lamp tube Y-axis vertical direction, is equal to two parallel fluorescent tube distances of fixed lamp tube X-direction; The light that fixed lamp tube 41 sends is the slightly outer certain angle partially in center with automatic focus picture pick-up device 2 camera lenses, and outer drift angle degree must be less than half of automatic focus picture pick-up device 2 angles of visual field; The light that mobile fluorescent tube 42 sends is the slightly outer certain angle partially in center with automatic focus picture pick-up device 2 camera lenses also, and outer drift angle degree must be less than half of the picture pick-up device angle of visual field.Designing outer drift angle degree is will guarantee the utility model device when close or wide file, and the aperture size that forms on file destination has significant change, guarantees that simultaneously the aperture that produces on file destination always can be photographed.

Fixed lamp tube 41 and mobile fluorescent tube 42 light-emitting window width generally are controlled at 0.5～5mm, to guarantee launching enough light, form clear and legible aperture on file destination.The aperture that forms on file destination is the rectangle aperture, is the length of rectangle aperture along plane coordinates x direction of principal axis, is the width of rectangle aperture along plane coordinates y direction of principal axis.Iris aperture regulator 3 main effects are to regulate the position of mobile fluorescent tube along the plane coordinates X-direction, promptly change the length of the common sealing rectangle aperture that forms of mobile fluorescent tube and fixed lamp tube, the telescopic baffle that non-light transmissive material of while is made shelters from the part fluorescent tube 43 along the plane coordinates X-direction that wouldn't need, iris aperture regulator 3 is subjected to aperture to regulate the regulation and control of button 10, shines like this in rectangle aperture lengths on the file destination and the ratio between the width and can be adjusted on a large scale.、

The utility model device substitutes the shooting area that display screen is confined file destination with fluorescent tube, is taken by the automatic focus filming apparatus and confines the zone, and general graph text information is changed into electronic image information, coverage is extensive, accurately directly perceived, easy to use flexible, can carry.

Claims (4)

1, a kind of by confining the portable scanning device that shooting area carries out the picture and text typing, it is characterized in that: comprise a processor, comprise an automatic focus picture pick-up device, aperture adjusting device, one group of fluorescent tube, key board unit, data-interface, memory, power supply at least; The processor connected storage; The fluorescent tube that is used for generation high brightness aperture on irradiated file destination is connected with iris aperture regulator with processor respectively; Be used to regulate the iris aperture regulator connection processing device of aperture size on file destination; The automatic focus picture pick-up device that is used to take aperture is connected with processor; Keyboard is connected with processor; Data-interface is connected with processor.

2, portable scanning device according to claim 1 is characterized in that: described one group of fluorescent tube comprises fixed lamp tube and mobile fluorescent tube; Fixed lamp tube is made of three fluorescent tubes, along plane coordinates Y-axis vertical direction a fluorescent tube is set, along plane coordinates X-axis horizontal direction two parallel fluorescent tubes are set, these two parallel fluorescent tubes are connected with two end points of fluorescent tube of vertical direction, mobile fluorescent tube be arranged on fixed lamp tube along on the perpendicular Y direction of two parallel fluorescent tubes of X-direction, and parallel with the fluorescent tube of fixed lamp tube along Y direction.

3, portable scanning device according to claim 1 and 2, it is characterized in that: the automatic focus picture pick-up device is fixed in fixed lamp tube and the plane, mobile fluorescent tube place, between the fluorescent tube and mobile fluorescent tube of fixed lamp tube Y-axis vertical direction, be equal to two parallel fluorescent tube distances of fixed lamp tube X-direction.

4, portable scanning device according to claim 2 is characterized in that: mobile fluorescent tube is identical with fixed lamp tube light-emitting window width, between 0.5～5mm.

Images