CN1913568A - Portable electronic recording pen using planar array detector and scanning method - Google Patents

Portable electronic recording pen using planar array detector and scanning method Download PDF

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Publication number
CN1913568A
CN1913568A CN 200510107781 CN200510107781A CN1913568A CN 1913568 A CN1913568 A CN 1913568A CN 200510107781 CN200510107781 CN 200510107781 CN 200510107781 A CN200510107781 A CN 200510107781A CN 1913568 A CN1913568 A CN 1913568A
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China
Prior art keywords
scanning
planar array
recording pen
array detector
image
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CN 200510107781
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Chinese (zh)
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CN100446536C (en
Inventor
贾平
李贺
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Priority to CNB2005101077815A priority Critical patent/CN100446536C/en
Publication of CN1913568A publication Critical patent/CN1913568A/en
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Publication of CN100446536C publication Critical patent/CN100446536C/en
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Abstract

This invention relates to a scanning method of electronic recording pen, which aims a viewing frame at interested character lines or rows for scanning, locates the scanned content with a face array scanning device and image process, utilizes images to process and collect information, identify images and store them in a buffer, or aims the viewing frame at the pre-shooting position to shoot part of a page layout and presses the shutter to carry out information collection, image identification and store them in the buffer to record them in a pen in the mode of image or identified text or transfer them in a storage, the recording pen includes: a face arrayed detector, an illumination system, a viewer, an optical system, a storage, a controller, a display, an interface, a menu rolling and selection switch, a supply and a switch and a scanning key.

Description

Adopt the portable electronic recording pen and the scan method of planar array detector
Technical field
The present invention relates to a kind of portable electronic recording pen, particularly, the present invention relates to a kind ofly can carry out the electronic recording pen that local is taken pictures and single file or multirow scan simultaneously, thereby can gather fast and recorded information.
Background technology
Traditional portable electronic recording pen is mainly used in when reading interested content or paragraph is scanned, with it with image information or directly in this electronic recording pen, character image is discerned the formation text message, store so that carry out afterwards editing and processing, thereby realize of the conversion of paper spare literal to electronic document.
U.S. Pat 5574804 discloses a kind of hand-scanner, is used for the interested content of sweep record when reading.The course of work of this scanner is: the character scanning device in the scanner is parallel to the character string motion on the paper spare, realize scanning simultaneously to the serial character, the linear array scanning device that wherein has wide visual field is installed in the side of scanner, is used for the page or file are carried out line sweep.In addition, U.S. Pat 6619551 also discloses a kind of hand-scanner with linear array scanning device, it scans the first half of the page earlier, the latter half to the page scans then, then by the first half image and the latter half image are synthesized, thereby obtain whole page-images, can realize scanning with the scanner of small breadth to the large format page.
But two kinds of technology above-mentioned all have corresponding shortcoming.For U.S. Pat 5574804, the problem of existence is, because delegation's one line scanning causes sweep speed slow on the one hand, if the user is in use absent minded on the other hand, causes omission easily.If latter event has taken place, the user has to rescan.For U.S. Pat 6619551, the problem of existence is, because the position that provides each scanning by mechanical mode to be to prevent multiple scanning, sweep speed is very slow, is difficult to satisfy the needs of practical application.
Summary of the invention
The objective of the invention is: a kind of portable electronic recording pen with two kinds of mode of operations is provided on the one hand; The core technology that provides this on the other hand is used for novel portable electric appts design, to increase the sweep record function.
Portable electronic recording pen of the present invention is under first mode of operation, adopt image process method to the content of scanning position, information gathering, thereby guaranteeing can not occur in scanning process omits and polyisomenism, and can obtain higher scanning resolving power and sweep speed.Under second mode of operation, portable electronic recording pen of the present invention can directly be taken pictures to page part, thereby realizes the local content in the page is carried out information gathering.After taking one of above two kinds of patterns to carry out information gathering, the textual form with after image or the identification is recorded in the pen, or imports all kinds of computers, electronic notebook, mobile phone, various memories etc. into.
Portable electronic recording pen of the present invention comprises: view finder, illuminator, optical system, planar array detector, memory and controller etc.View finder provides intuitively judgement and location to scanning or shot region for the user; Illuminator is used to provide initiatively illumination when light energy is not enough; Optical system provides light path for imaging and illumination; Planar array detector converts the light signal in view finder scanning or the shot region to the signal of telecommunication; Memory is used for stored program and data message; Controller is used for the electronics control and the signal processing of portable electronic recording pen.
The user is in reading process, if it is interested in certain paragraph in the page or a few words wherein, portable electronic recording pen of the present invention can be placed first mode of operation, it is scan pattern, make view-finder aim at interested character row or column and scan,, scan operation is required not really strict owing to adopted planar array detector and image process method to carry out the location of scans content, the phenomenon that serial or omission can not occur, and the speed of scanning is also accelerated greatly.In addition, if the user is interested in the local page, also portable electronic recording pen of the present invention can be placed second mode of operation, promptly exposal model carries out work, makes view-finder aim at the position of taking pictures in advance, presses shutter, thereby realizes fast recording.
In addition, also can on the basis of equipment such as existing palmtop PC, electronic notebook, mobile phone, adopt the core technology of above-mentioned recording pen, directly carry out the one optimal design, increase the function of sweep record, can share resources such as display, memory, button, power supply.
Description of drawings
Below the preferred embodiment of the present invention is described with accompanying drawing, so that advantage of the present invention and characteristic are clearer.
Fig. 1 shows the composition block diagram of portable electronic recording pen according to an embodiment of the invention.
Fig. 2 shows detailed operation flow chart of the present invention, and wherein Fig. 2 comprises Fig. 2 a and Fig. 2 b two parts.
Fig. 3 shows the operation principle schematic diagram that recording pen carries out information gathering under the scanning work pattern
The method that is used to scan the location that Fig. 4 recording pen of the present invention is adopted
Fig. 5 is the schematic diagram of controller of the present invention
Embodiment
With reference to accompanying drawing the preferred embodiments of the present invention are described down.
In the following description, for the purpose that clearly demonstrates, with no longer the public known function or structure being elaborated, because non-essential detailed description can be desalinated emphasis of the present invention.
In Fig. 1, comprising:
The 1----planar array detector, area array CCD for example, the planar array detector spare of the carried out opto-electronic conversion of CMOS or other types;
The 2----illuminator comprises light sources such as LED;
The 3----view finder;
The 4----optical system; Realize that target image converts the optical imagery that is suitable for planar array detector work to;
The 5----memory; Form by the multi-disc semiconductor memory chips, be used for the executable routine data of storing image data and computer;
The 6----controller comprises various control circuits;
The 7----display for example adopts flat-panel monitors such as liquid crystal or organic electroluminescent;
The 8----interface is used for the image that scanning obtains is sent to other equipment;
9----menu rolling and selector switch are used to be provided with operating state.
10----power supply and switch provide the electronic recording pen power supply, and determine to start working.
11----scans button, determines the starting and ending moment of scanning.
The outer part of frame of broken lines is the attachable various device of this recording pen, can expand the scope of application of this recording pen and connecting device by this connection.
In addition, also can on the basis of equipment such as existing palmtop PC, electronic notebook, mobile phone, adopt the core technology of above-mentioned recording pen, directly carry out the one optimal design, increase the function of sweep record, can share resources such as planar array detector, display, memory, button, power supply.
Situation when showing portable electronic recording pen of the present invention and miscellaneous equipment such as notebook computer being connected.In fact, portable electronic recording pen of the present invention also can independently carry out work, after the end of scan by communicating by letter with palmtop PC, e-commerce, electronic notebook, notebook computer or desktop computer with communication or the wire communication mode such as USB infrared such as bluetooth, storage after the image that scanning is obtained or discern etc. is handled is discerned, is stored or edit in equipment such as corresponding notebook computer or desktop computer.
Planar array detector 1 among Fig. 1, by area array CCD, or the planar array detector spare of the carried out opto-electronic conversion of CMOS planar array detector or other types and corresponding driving control circuit thereof are realized;
Illuminator 2 among Fig. 1 adopts semiconductor such as LED etc. to do light source, and the picture intelligence amplitude of receiving with detector and the result of whole integration feed back, and control the brightness of light source automatically, obtain scanned picture clearly with assurance.
View finder 3 among Fig. 1 is made up of the mechanical structure framework, is used to identify the zone of scanning or taking pictures, and directly contacts with paper simultaneously and supports whole handwriting.Like this, user's interested content of fast recording easily.Scan different with the used view finder of taking pictures.
Optical system 4 among Fig. 1 is made up of one group of optical element and supporting construction thereof, target information is become the optical imagery that satisfies planar array detector work;
Memory 5 shown in Figure 1 is made up of semiconductor memory chips, is used to store view data that central processing unit executive program and scanning obtains or to the data message after its identification.For extended storage capacity, can increase widely used various types of storage cards at present.
Controller 6 shown in Figure 1 comprises: A/D converter 51, central processing unit 52 (CPU), control circuit 53 etc.A/D converter 51 converts the analog electrical signal of planar array scanning device 1 output to digital signal, so that carry out digitized processing.Central processing unit 52 moves the program that is stored in the memory 5 according to the state of operating state, control switch and the button of the each several part that receives, and provides control signal corresponding.Control circuit 53 is carried out the operational order of CPU, provides control signal corresponding, makes recording pen be in normal operating state.
Display 7 shown in Figure 1 adopts the TFT liquid crystal, or stn liquid crystal, perhaps flat-panel monitor such as organic electroluminescent.
Interface 8 shown in Figure 1 is used for the data message that scanning obtains is sent to other equipment, can adopt wireless mode, realizes with infrared or bluetooth; Also can adopt wired mode, employing 1394 or USB interface realize; Certainly preferably wireless and wired dual mode haves both at the same time.
Menu rolling shown in Figure 1 and selector switch 9, menu rolling switch adopt trigger-type switch, whenever click menu and roll one, selector switch also adopt trigger-type switch, be used for confirming mode of operation and the state that menu is shown.
Power supply shown in Figure 1 and switch 10, adopt battery and rechargeable battery all can, the electronic recording pen power supply is provided, the switch that switch must the user mode formula is used for determining to start working.
Scanning button 11 shown in Figure 1, the fine motion button of use trigger-type, scanning beginning when pressing finishes scanning when lifting.
The course of work of Fig. 2,3 pairs of portable electronic recording pens of the present invention is illustrated.
In reading process, when the reader finds to have in the book document the interested content of some sentence oneself, the user at first turns on the power switch, recording pen can check automatically whether check has fault, meeting display working condition on display, if show fault, then shutdown heavily comes, if return again several times all equally, needs keep in repair it.If show normally, then continue operation.
According to the prompting on the display, press menu rolling and selector switch 9, determine mode of operation and state,, mode of operation just scans or takes pictures; If determine it is the scanning work pattern, to determine also whether recording pen is operated under the recognition mode, be original view data with definite information of storing or being transferred to external equipment, or the data of text formatting.
After mode of operation and state were determined, recording pen can be carried out the corresponding work program.
When mode of operation is the scanning work pattern, the user should aim at view finder the start-up portion (shown in the last figure among Fig. 3) of the content that will scan, press scanning button 11, while moving recording pen, the part that makes desire scanning is all the time in view finder, recording pen is started working, carry out information gathering by the method for determining, discern when needing identification, store into then in the buffer, up to delegation's end of scan, unclamp the scanning button.
When directly connecting with other external equipment, collection is in real time transmitted in real time, otherwise behind the end of scan, perhaps information temporarily exists in the memory of recording pen, or passes to other equipment in the lump.
So repeatable operation is up to been scanned, powered-down.
Under the mode of operation of taking pictures, operate very simply, just, view finder is aimed at the zone of desiring to take pictures as taking a picture, press and scan button 11 and get final product.But it should be noted that on the one hand, need to change the view finder of using when taking pictures, its view finder during with scanning work is different; On the other hand, under the exposal model, information can only be stored and transmits with pixel format.
Fig. 3 shows the physical process of recording pen work intuitively.Dashed rectangle is wherein indicated the imaging region of planar array detector, and the AB line in the black surround shows the just position on the horizontal scan direction of recording pen, is promptly scanning and writing down the information on AB line right side; AC and BD show is the scope of recording pen Information Monitoring on vertical and the scanning direction, and it can be adjusted in allowed limits, promptly determines scanning delegation or multirow.
R among the figure refers to the pixel dimension of planar array detector, whenever recording pen has moved the R distance, just carries out once new sampling.
Fig. 4 shows a kind of method that is used to scan the location that recording pen of the present invention adopts.It is one of this core technology.
After scanning button 11 is pressed, controller just starts planar array detector and begins to absorb the image shown in the empty frame among Fig. 3, the masterplate of storing in this frame image and the image buffer carries out relevant treatment, the displacement of R does not take place to surpass if show recording pen in relevant result in any direction, then do not carry out information gathering, otherwise, Information Monitoring, and, determine to deposit in the Information Monitoring part in the memory according to the displacement coordinate result that relevant treatment goes out.
Be appreciated that to the change of the foregoing description and revise for those skilled in the art be clear and expect among.Therefore, should regard top detailed description as example rather than restriction, be appreciated that following claim, comprise that all equivalents should determine the spirit and scope of the invention.

Claims (5)

1, adopt the scan method of the portable electronic recording pen of planar array detector, it is characterized in that:
A. under first mode of operation, make view-finder aim at interested character row or column and scan; With planar array scanning device and image processing the content that scans is positioned; Utilize visual relevant treatment Information Monitoring, image recognition and be stored in the buffer;
B. under second mode of operation, make view-finder aim at the position of taking pictures in advance, taken pictures in page part, press shutter, the local content in the page is carried out information gathering, image recognition and is stored in the buffer;
C. after the information gathering to one of above-mentioned two kinds of patterns, be recorded in the pen with the textual form after image or the identification, or import memory device into.
2, the scan method of the portable electronic recording pen of employing planar array detector according to claim 1 is characterized in that: planar array detector begins picked-up image, and the picture intelligence amplitude of receiving with planar array detector and the result of whole field integration feed back; The masterplate of storing in above-mentioned this frame image and the image buffer carries out relevant treatment, and relevant result does not then carry out information gathering this moment if show the displacement that R does not take place to surpass on any direction of view-finder; Otherwise,, and, determine to deposit in the Information Monitoring part in the memory according to the displacement coordinate result that relevant treatment goes out when the displacement acquisition information that on any direction of view-finder, takes place above R.
3, adopt the portable electronic recording pen of planar array detector, comprise: illuminator (2), view finder (3), optical system (4), memory (5), controller (6), display (7), interface (8), menu rolling and selector switch (9), power supply and switch (10), scanning button (11) is characterized in that also comprising: planar array detector (1) converts the light signal in view finder scanning or the shot region to the signal of telecommunication; Illuminator (2) is used to provide initiatively illumination; View finder (3) contact the support handwriting for the user provides intuitively judgement and location to scanning or shot region with paper; Optical system (4) provides light path for imaging and illumination, target image is converted to the optical imagery that is suitable for planar array detector (1) work; Memory (5) is used to store view data that central processing unit executive program and scanning obtains or to the data message after its identification; Controller (6) is used for the electronics control and the signal processing of portable electronic recording pen; Interface (8) is used for the image that scanning obtains is sent to other equipment; Menu rolling and selector switch (9) are used for confirming mode of operation and the state that menu is shown; Power supply and switch (10); Scanning button (11) is determined the starting and ending moment of scanning.
4, the portable electronic recording pen of employing planar array detector according to claim 3, it is characterized in that: memory (5), form by semiconductor memory chips, be used to store view data that central processing unit executive program and scanning obtains or the data message after its identification.
5, the portable electronic recording pen of employing planar array detector according to claim 3, it is characterized in that: controller (6) comprising: A/D converter, central processing unit (52), control circuit, described A/D converter (51) converts the analog electrical signal of planar array detector (1) output to digital signal, so that carry out digitized processing; Described central processing unit (52) moves the program that is stored in the memory (5) according to the state of operating state, control switch and the button of the each several part that receives, and provides control signal corresponding; Described control circuit (53) is carried out the operational order of CPU, provides control signal corresponding, makes recording pen be in normal operating state.
CNB2005101077815A 2005-09-30 2005-09-30 Portable electronic recording pen using planar array detector and scanning method Expired - Fee Related CN100446536C (en)

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CNB2005101077815A CN100446536C (en) 2005-09-30 2005-09-30 Portable electronic recording pen using planar array detector and scanning method

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113407048A (en) * 2021-06-29 2021-09-17 广州宏途教育网络科技有限公司 Handwriting processing method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE509327C2 (en) * 1996-11-01 1999-01-11 C Technologies Ab Method and device for registering characters using a pen
JPH10243279A (en) * 1997-03-03 1998-09-11 Sony Corp Information collector
US6403941B1 (en) * 1998-10-29 2002-06-11 Hewlett-Packard Company Image scanner with real time pixel resampling
CN100426272C (en) * 2003-02-28 2008-10-15 北京中星微电子有限公司 Mobile storage unit and method capable of visiting card scanning and electronic visiting card transmission

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113407048A (en) * 2021-06-29 2021-09-17 广州宏途教育网络科技有限公司 Handwriting processing method
CN113407048B (en) * 2021-06-29 2023-03-03 广州宏途数字科技有限公司 Handwriting processing method

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