CN202127451U

CN202127451U - Handheld portable scanner

Info

Publication number: CN202127451U
Application number: CN2011202200540U
Authority: CN
Inventors: 邓荣芳; 甘卫军; 黄衍豊; 张德兵
Original assignee: Sky Light Industrial Ltd
Current assignee: Sky Light Industrial Ltd
Priority date: 2011-06-27
Filing date: 2011-06-27
Publication date: 2012-01-25
Anticipated expiration: 2021-06-27

Abstract

The utility model relates to a scanner, comprising a scanner shell, a battery, a scanning part and an image processing part. The scanning part consists of a scanning optical head and a scanning rod. The image processing part consists of a displacement detection mechanism, a scanning information processing and image processing chip of the scanning optical head and a scanner circuit that are linked by the scanning rod. The displacement detection mechanism consists of a gear set and an infrared geminate transistor connected by the gear set; the gear set is driven by the scanning rod which scans and rotates and drives a gear with a blade. The blade of the gear with a blade is arranged in the infrared geminate transistor which converts the rotating speed of the blade received to the speed signal and transmits the speed signal to the scanner processing chip to process. The utility model can correct the image scanning error generated by uneven speed of manual scanning by means of combined work of the displacement detection mechanism and the processing chip by calculation of the chip so as to guarantee that the scanning result is same with original document.

Description

The handhold portable scanner

Technical field:

The utility model relates to a kind of scanner, particularly a kind of with light, electronics, mechanical technique effectively combine, the complex art type portable hand-held scanner of external form small volume and less weight.

Background technology:

The scanner major part is the paper feed type on the market at present, and scanning document directly arrives computer, and scanning document is very much the restriction that receives environment space; Even at a kind of non-paper feed type scanner that circulates on the market; Product directly slided on scanning document get final product; Sweep speed is adjusted by user oneself; Operation is very easy in use, and scanning document directly is saved in this product internal memory or expansion board, and scan operation does not receive place, spatial constraints.But this scanner generally uses stepper motor as transmission mechanism; Synchronously file is scanned in the time of the control revolution. when scanner uses stepper motor as transmission mechanism; Power consumption is too big; Also carry not aspect, and can't the single page content of books be scanned, also make the small and exquisite structure of the design difficulty that becomes.

Summary of the invention:

A kind of handhold portable scanner that the utility model product is invented in order to solve above-mentioned prior art problem just.

The utility model product can be realized through following technological means:

A kind of handhold portable scanner includes scanner shell, battery, sweep unit and image processing parts, and described sweep unit is made up of scanning optical head, scan shaft; Described image processing parts are handled with picture process chip and scanner circuit by displacement detecting mechanism, the scanning optical head scanning information of scan shaft interlock and are constituted; Described displacement detecting mechanism reaches the infrared tube that is connected with gear train by gear train and constitutes; Rotation drove and gear of being with blade of transmission when described gear train was scanned by scan shaft; Said band blade gear blade is arranged in the infrared tube, and the rate conversion that infrared tube rotates the blade that receives passes to the processing of scanner process chip after becoming rate signal.

There are blade gear and the capable detection of infrared tube contraposition shift-in in described scanner inside, and then the scanning of gated sweep appearance, and can the signal on the infrared tube be segmented, and further improves the resolution of scanner.

Also be provided with rubber covered rollers on the said scan shaft to improve frictional force, guarantee scanning line of travel and stability.

Said scanner has built-in holder, perhaps is provided with the extended storage slot, and the user can store scanning gained data information in the expansion memory card in the extended storage slot or on the built-in holder into as the case may be.Built-in holder and extended storage slot can coexist simultaneously.

Also be provided with the data wire slot on the described scanner, can realize the transmission of data and computer through data wire.

Also be provided with LCD display and LED display lamp and scanner control button on the described scanner shell.

The handhold portable scanner that the utility model provided; Not only easy to carry, complete function the more important thing is; Can be owing to the picture scanning error of the inhomogeneous generation of speed of manual scanning; Through displacement detecting and process chip co-operation, the error that scanning produces is calculated correction through chip, guarantee that scanning result is identical with original document.Use the synchronous shift detection module of the utility model, can effectively substitute motor, thereby reduce the noise and the weight of scanner, reduce power consumption, make handheld portable be designed to possibility.The handhold portable scanner of the utility model is realized function one such as photo scanning, data processing and storage, can also realize the image output to computer, saves user's time greatly, and is convenient and reliable.The utility model can also be realized endless scanning through selecting the storage card (or backing up many storage cards) of different capabilities; This handhold portable scanner, the scanning document storage is JPEG to the file format of built-in holder or expansion storage card, can directly read; The scanning document digital display shows and low electric prompt facility.

Description of drawings:

Fig. 1 is the utility model internal structure sketch map;

Infrared tube acknowledge(ment) signal sketch map when Fig. 2 uses for the utility model;

Infrared tube acknowledge(ment) signal sketch map when Fig. 3 uses for the utility model;

Specific embodiment:

Below in conjunction with Fig. 1 the utility model is done further explanation, make those of ordinary skill be more prone to understand the utility model design and realization.

A kind of handhold portable scanner includes the scanner shell, and wherein, scanning optical head is located on the shell one side, and the other scan shaft 4 that is provided with of shaven head is with scanning optical head scanning interlock.

Scan shaft 4 can be made the body of rod and rotatablely move, and bar is provided with rubber wheel 5, and the frictional force when can increase scanning like this can also guarantee the direction that scans.

Scan shaft 4 can also drive the scanner velocity measurement mechanisms through the rotation of scan shaft.The infrared tube 3 that the scanner velocity measurement mechanisms includes gear train 2 and gear train is detected, gear train 2 is divided into driving gear set and measure speed gears.Driving gear set 2 has driven measure speed gears 7 through the rotation of scan shaft 4, and the blade of measure speed gears 7 is arranged in the infrared tube 3 on the scanner circuit.

When promoting scanner, roller bearing can the driven gear case when rotating, and then drives blade and in infrared tube 3, rotate, and makes the infrared signal that receives not be parked in loop cycle between the power.

Following Fig. 2 is infrared tube 3 interior two signals that receiving tube is exported.

According to the phase deviation between IR1 and two signals of IR2, can judge scanner be just changeing or the counter-rotating.

According to the amount of cycles of signal signal that IR1 exports, so just can confirm the distance that scanner rolls., through scanning that can the gated sweep appearance to the detection of this signal.

Like Fig. 3, through lasting detection to signal IR1 (or IR2), can be at 0 °, 90 ° 180 °, export pulse in the time of 270 ° respectively, DSP will scan according to this pulse, and the rising edge of each pulse scans line data.Can certainly IR1 (or IR2) signal be segmented gated sweep with different angles, thereby improve the DPI of scanner.

Scanner CPU1 also handles the image of scanning optical head scanning simultaneously, is being transferred to after the integrated treatment on the scanner memory 6.

Scanner memory is divided into built-in holder 6 and expands storage card, and built-in holder 6 is based upon on the PCBA, expands storage card and connects through the deck slot on the PCBA;

Also be provided with the data wire slot on the handhold portable scanner,, can be transferred in the computer subsequent use by easily that surface sweeping is good image through data wire.

More than be the detailed introduction of a kind of handhold portable scanner that the utility model is provided, used concrete example among this paper the utility model concrete structure is set forth that above embodiment just is used to help to understand the core concept of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, part all can change on embodiment and range of application.In sum, this description should not be construed as the restriction to the utility model.

Claims

1. a handhold portable scanner includes scanner shell, battery, sweep unit and image processing parts, it is characterized in that described sweep unit is made up of scanning optical head, scan shaft; Described image processing parts are handled with picture process chip and scanner circuit by displacement detecting mechanism, the scanning optical head scanning information of scan shaft interlock and are constituted; Described displacement detecting mechanism reaches the infrared tube that is connected with gear train by gear train and constitutes; Rotation drove and gear of being with blade of transmission when described gear train was scanned by scan shaft; Said band blade gear blade is arranged in the infrared tube, and the periodicity that infrared tube rotates the blade that receives passes to the processing of scanner process chip after converting the signal of telecommunication to.

2. handhold portable scanner according to claim 1; It is characterized in that there are blade gear and the capable detection of infrared tube contraposition shift-in in described scanner inside; And then the scanning of gated sweep appearance, and can the signal on the infrared tube be segmented, further improve the resolution of scanner.

3. handhold portable scanner according to claim 1 is characterized in that described scanner also has built-in holder.

4. handhold portable scanner according to claim 1 is characterized in that also being provided with on the described scanner expansion and stores card slot.

5. handhold portable scanner according to claim 1 is characterized in that also being provided with on the described scan shaft rubber covered rollers.

6. handhold portable scanner according to claim 1 is characterized in that also being provided with on the described scanner data wire slot, can realize the transmission of data and computer through data wire.

7. handhold portable scanner according to claim 1 is characterized in that also being provided with on the described scanner shell LCD display and LED display lamp and scanner control button.