CN202758515U - Portable typoscope for enhancing readability of print media - Google Patents
Portable typoscope for enhancing readability of print media Download PDFInfo
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- CN202758515U CN202758515U CN 201220400337 CN201220400337U CN202758515U CN 202758515 U CN202758515 U CN 202758515U CN 201220400337 CN201220400337 CN 201220400337 CN 201220400337 U CN201220400337 U CN 201220400337U CN 202758515 U CN202758515 U CN 202758515U
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Abstract
The utility model discloses a portable typoscope for enhancing the readability of print media. The portable typoscope comprises a sense and motion enhancing engine, an optical sensor module, a casing and input control assembly, an embedded panel display device, an omnidirectional illumination system and an audio prompting device, wherein the sense and motion enhancing engine is respectively in signal connection with the embedded panel display device, the omnidirectional illumination system and the audio prompting device; the optical sensor module and the casing and input control assembly are respectively in signal connection with the sense and motion enhancing engine; the omnidirectional illumination system is further connected with an optical path of the optical sensor module; the front surface of a casing is provided with the embedded panel display device and control assemblies, and the control assemblies are in signal connection with the sense and motion enhancing engine; and different buttons of the control assemblies are provided with protrusions having different shapes, and the control assemblies are respectively arranged on both sides of the embedded panel display device. The portable typoscope has the basic functions such as image acquisition and amplification, high color matching and static temporary storage of images, and is applicable to enhance the readability of print and panel materials.
Description
Technical field
The utility model relates to a kind of assistant visual organ, uses its dull and stereotyped back side light source can effectively protect user's eyesight not to be subjected to the injury of traditional high brightness back side pointolite when strengthening plane medium readability.This equipment such as is widely used in due to person in middle and old age's degenerative dysopia and various heredity and pathology illness such as cataract, the macula lutea etc. a little less than the defect of visual field and color discrimination at the typical amblyopia problem.
Technical background
The plane medium is the most common visual information carrier, comprises the traditional printing materials such as paper, plastics and comprises the list display device of mobile phone, computer screen etc.The black and white that most planes medium carries or colored graph text information are all because its literal size and color complexity and can't be applicable to the amblyopia crowd.
For these reasons, there are optics and electronics multiplying arrangement two large class typoscopes to strengthen the readability of plane picture information on the market.
As the portable set that can be used for multiple environment for use, pure optical loupes can be realized higher plane enlargement factor, but when enlargement factor surpasses 6 times, the user need to be with the typoscope material near retina, the long-term easily accumulation visual fatigue that uses, simultaneously, the user is restricted the viewing angle of plane younger sister's paper, and more cervical vertebra was tired when the meeting generation was read more than the twenty-twenty vision person under long-term the use.If the colour vision that optics helps the equipment of looking can't change reading material makes up to adapt to the needs of specific problem.
Portable electronic helps the equipment of looking can avoid above-mentioned a large amount of problems.But early production exists high cost, portable not enough, the single charge too short and too high reading material that causes injuring user's vision or therefore can't be applicable to high reflection characteristic of secondary light source brightness service time equally.
The utility model content
The purpose of this utility model is to overcome the shortcoming that existing typoscope exists, and proposes a kind of being easy to carry, and can effectively strengthen the assistant visual organ of plane medium readability.
The utility model purpose is achieved through the following technical solutions:
Be used for strengthening the assistant visual organ of plane medium readability: comprise that sense organ and motion strengthen engine, optical sensor module, casing and input control assembly, embedded flat display device, omnidirectional light lighting system and audio prompt; Described sense organ is connected with embedded flat display device, omnidirectional light lighting system and audio prompt device signal respectively with the enhancing engine that is connected; Optical sensor module, casing and input control assembly are connected with the enhancing engine signal that is connected with sense organ respectively; The omnidirectional light lighting system also is connected with optical sensor module light path; Casing and input control assembly comprise casing and Control Component, and casing is rectangular structure; The front of casing is provided with embedded flat display device and Control Component, and Control Component is connected with the enhancing engine signal that is connected with sense organ; Control Component is a plurality of, different buttons is provided with difform projection in the Control Component, lay respectively at embedded flat display device both sides, Control Component comprises that picture amplifying key-press, color matching mode key, picture dwindle button, photopic vision and adjust fix button and noctovision of button, image and adjust button; Control Component also comprises by-pass cock backlight, and the optical sensor module is camera lens and low-power consumption CMOS (Complementary Metal Oxide Semiconductor) cmos image sensor module, and the omnidirectional light lighting system is symmetrically arranged one group or organize flat-plate luminous diode about the optical sensor module more; Optical sensor module and omnidirectional light lighting system are positioned at the reverse side of casing; It is signal processor that sense organ and motion strengthen engine, is arranged on the printed circuit board of casing inside; The embedded flat display device is liquid crystal display or the diode displaying array of total transmissivity or Transflective; Audio prompt is single-tone or the multitone hummer of current excitation.
For further realizing the object of the invention, this assistant visual organ also comprises portable charged casket and Reading or writing support; Portable charged casket is connected with printed circuit board by the charging inlet that is arranged on casing; Reading or writing support is four-footed discrete support, is movably arranged on the reverse side of casing.
Described sense organ is connected with embedded flat display device, omnidirectional light lighting system and audio prompt device analog electrical signal respectively with the enhancing engine that is connected.
Described optical sensor module, casing and input control assembly are connected with the enhancing engine digital electric signal that is connected with sense organ respectively.
Described Control Component is connected with the enhancing engine digital signal level that is connected with sense organ.
Described embedded flat display device is preferably placed at the central authorities in casing front.
Described picture amplifying key-press, color matching mode key and picture dwindle the right side that button preferably is arranged on casing; Photopic vision is adjusted fix button and noctovision of button, image and is adjusted the left side that button preferably is arranged on casing.
Described by-pass cock backlight preferably is arranged on the casing right flank.
With respect to existent technique, the utlity model has following advantage and beneficial effect:
(1) the significantly enhancing of image readability.The utility model applied optics principle, tuning by brightness, can guarantee that largely secondary light source uniform irradiation reading material and its light intensity can be such as direct injury naked eyes or indirectly enter reading area and affect final imaging effect by reflecting as the pointolite.
(2) press close to the design that human body uses impression.The sense of touch definition of a large amount of function buttons that the utility model proposes and details thereof, back light source are to the protectiveness design of naked eyes and comprise a large amount of engineerings of portable charger design and why the vision that design details derives under the true occasion needs by force, are applicable to use comparatively for a long time.
(3) high portability.The typoscope that the design of employing this programme realizes is owing to main demonstration and the processing components Scheme Choice does not have significant power demands bottleneck and do not need high-capacity battery to power, so complete machine has high portability.
(4) basic function of the present utility model has comprised the image acquisition amplification, and high static state to color matching and image is temporary.Above function is applicable to strengthen the readability of planar materials.These materials comprise all kinds of paper media, flat-panel display devices etc.
(5) because the difference of its demonstration or imaging mechanism, and the difference of material surface reflection characteristic, under various extraneous illumination conditions, the plane reading material that possesses different reflection characteristics and self luminescent condition is realized that above-mentioned vision strengthens function, and the man-machine interface of guaranteeing equipment reduces the access difficulty for the user who has dysopia, and apparatus body can be owing to observed range in normal use procedure, the cause influence user eyesights such as optics illumination.
Description of drawings
Fig. 1 is the structural representation for the assistant visual organ that strengthens plane medium readability;
Fig. 2 is the location diagram of casing and input control and embedded flat display device among Fig. 1;
Fig. 3 is the reverse side synoptic diagram of casing among Fig. 2;
Fig. 4 is that the utility model is used the illumination schematic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further, but the claimed scope of the utility model is not limited to the scope that embodiment represents.
As shown in Figure 1, 2, comprise that for the assistant visual organ that strengthens plane medium readability sense organ and motion strengthen engine 1, optical sensor module 2, casing and input control assembly 3, embedded flat display device 4, omnidirectional light lighting system 5 and audio prompt 6.Sense organ strengthens engine 1 and is connected respectively analog electrical signal with embedded flat display device 4, omnidirectional light lighting system 5 and audio prompt device and is connected with being connected; Optical sensor module 2, casing and input control assembly 3 are connected with enhancing engine 1 digital electric signal that is connected with sense organ respectively; Omnidirectional light lighting system 5 also is connected with optical sensor module 2 light paths; Casing and input control assembly 3 comprise casing and Control Component, and casing is rectangular structure, and length and width are much larger than height; The front of casing is provided with embedded flat display device 4 and Control Component, and Control Component is connected with enhancing engine 1 digital signal level that is connected with sense organ; Control Component is a plurality of, lays respectively at embedded flat display device 4 both sides, and embedded flat display device 4 is preferably placed at the central authorities in casing front; Control Component comprises that picture amplifying key-press 31, color matching mode key 32, picture dwindle button 33, photopic vision and adjust fix button 35 and noctovision of button 34, image and adjust button 36; Preferred picture amplifying key-press 31, color matching mode key 32 and picture dwindle the right side that button 33 is arranged on casing; Photopic vision is adjusted fix button 35 and noctovision of button 34, image and is adjusted the left side that button 36 is arranged on casing; Control Component also comprises by-pass cock 37 backlight, and by-pass cock 37 backlight preferably is arranged on the casing right flank; Optical sensor module 2 is camera lens and low-power consumption CMOS (Complementary Metal Oxide Semiconductor) cmos image sensor module, and omnidirectional light lighting system 5 is symmetrically arranged one group or organize flat-plate luminous diode about optical sensor module 2 more; Optical sensor module 2 and omnidirectional light lighting system 5 are positioned at the reverse side of casing; It is signal processor that sense organ and motion strengthen engine 1, is arranged on the printed circuit board of casing inside; Embedded flat display device 4 is liquid crystal display or the diode displaying array of total transmissivity or Transflective; Audio prompt 6 is single-tone or the multitone hummer of current excitation.
The assistant visual organ that is used for enhancing plane medium readability also comprises portable charged casket and Reading or writing support; Portable charged casket is used for the portable charger of emergent charging and power supply, is connected with printed circuit board by the charging inlet that is arranged on casing; Portable charged casket adopts No. 5 powered battery of single-unit, the booster circuit of portable charged casket provides and satisfies the required reference voltage of main board power supply, consider the discharge curve of general alkali battery, transforming circuit requires to provide than actual demand and exceeds the initial output voltage of 0.3V to guarantee emergency service and charging use.
Reading or writing support is four-footed discrete support, is movably arranged on the reverse side of casing, can draw on casing; Be flexibly connected with casing, with portability and the extensibility of guaranteeing the assistant visual organ.Provide the light path that focuses optical sensor is limited and support the assistant visual organ, convenient laterally rolling and longitudinal sliding motion are read.One-sided opening can limit 45 to the 60 main frame inclination angles of spending conveniently to write.
Sense organ and motion strengthen engine 1 (Sense and Motion Enhancing Engine, SMEE) be the core component of whole assistant visual organ for strengthening plane medium readability, be responsible for response from control signal and the raw video signal input of outside, finish the calculating of visual signal is amplified and toning output, and the output of the control signal of sound signal and secondary light source.Sense organ and motion strengthen the main body that engine 1 occupies whole printed circuit board (PCB) (Printed Circuit Board, PCB).Sense organ and motion enhancing engine 1 can adopt individual digit signal processor (the Digital Signal Processor based on Harvard structure, DSP), the nextport universal digital signal processor NextPort that provides such as TIX or the little company of China's SMIS, considering Networked Product and multifunctional development and taking no account of cost and show under the prerequisite of real-time, also can use the flush bonding processor based on Feng. Nuo Yiman mechanism, as through since the microprocessor (such as the XScale series processors of Intel or the OMAP series processors of Texas Instruments) that Britain ARM company is authorized as main devices, when device itself does not possess power management and enough universal input output pins) (GPIO) when finishing function, need external power management chip and single-chip microcomputer (MCU) or programmable logic device (PLD) (PLD) to finish.
The embedded flat display device 4 preferred Diagonal Dimension that adopt are between 2.4 inches to 6.5 inches total transmissivity or liquid crystal display or the diode displaying array of Transflective, such as 3, the 5 inches QVGA Color Liquid Crystal Display module LQ035Q3DG01 of Japanese Sharp company (Sharp).
Omnidirectional light lighting system 5 provides the reading material surface fully and the special system assembly of uniform illumination condition, adopts symmetrical one group or organizes the realization of flat-plate luminous diode (LED) array more.
Different buttons is provided with difform projection in the Control Component, is convenient to tactilely-perceptible, to show difference.The function setting of different buttons is as follows: picture amplifying key-press 31 copies the message bit pattern center partial pixel that collects for how much by mathematical computations and realizes that image amplifies; Do again and play up in special color district in color matching mode key 32 pairs of bitmaps that collect, and as being RGB255 by calculating original color played up, 255,255 or RGB0,0,0 shows with the height contrast that realizes image; It is inverse process that picture amplifies that picture dwindles button 33, reverts to the image that larger acquisition range is calculated through less number of times; Photopic vision is adjusted button 34 by changing the display comparison degree of embedded flat display device 4, and is readable to contrast meeting Effective Raise higher under the bright environment from using on the impression.Image fixes the button 35 temporary transient images of current collection that lock with convenient observation; Noctovision is adjusted button 36 affects readability by the backlight illumination that changes embedded flat display device 4, usually lowlyer when strong overall backlightly can provide higher readability in that extraneous light is within reason.By-pass cock 37 backlight is with slide rheostat series connection access lighting circuit in order to regulate the brightness of omnidirectional light lighting system, can adopt.These buttons provide strengthening the direct control of the readable needed basic function of print media, and its icon all protrudes keytop.The zoom function button 31 exterior view target protrusion heights of normal use will be significantly in other key icon, to distinguish its non-common function.
Shown in Fig. 3,4, the assistant visual organ reverse side that is used for enhancing plane medium readability is provided with omnidirectional light lighting system 5 and optical sensor module 2; Omnidirectional light lighting system 5 is symmetrically arranged one group or organize flat-plate luminous diode about optical sensor module 2 more; Optical sensor module 2 is used for gathering the readable information as for the reading material surface of its below, the reading material surface is staggered relatively with the assistant visual organ reverse side that is used for enhancing plane medium readability, and the reading material surface needs sufficient uniformly light to shine to guarantee the quality of image acquisition.Omnidirectional light lighting system 5 provides takes illumination, and two flat-plate LED optical sources have consisted of omnidirectional light lighting system 5 jointly in Fig. 4.The white uniform light that is sent by two flat-plate LED optical sources is by reflecting to form the vertical projection 21 at the assistant visual organ reverse side that is used for strengthening plane medium readability of plane reading material; Optical sensor module 2 (optical sensor) is used for gathering the readable information as for the reading material surface of its below, the acquisition range of target image is the horizontal stripe shape, its fidelity acquisition range is divided into 4.6,9.2 and three limited ranges of 18.4cm, formulates according to the width of standard Chinese newpapers and periodicals text, commercial business card and standard A 4 paper respectively.
As shown in Figure 4, the LED illuminator uses flat-plate light source that color is tending towards nature white obvious colour cast not occur and reduce readability via the image that reading material reflects into into the optics sensor guaranteeing.Directly reflect into into light path when gathering high reflection reading material for fear of flat-plate light source, the diagram zone defines its installation site and illuminate condition requirement, flat-plate light source and casing ontology can be set the angle of inclination of installation, guaranteeing the acquisition quality when the reading material surface is the reflectivity material, and can prevent largely that strong pointolite irradiation was to user's visual impairment.In index path shown in Figure 4, the inclination angle a of the flat LED of omnidirectional light lighting system 5 is the angle of flat LED plane and rear chassis surface level, the inclination angle a of flat LED is between 0 to 15 degree, in the scope that Machine Design allows, 14 degree are to realize simultaneously without the shadow collection and reduce the suggestion angle of dull and stereotyped illumination system 5 power consumptions.Enter optical sensor module 2 borders via the horizontal reading material back reflection of the straight street of flat-plate light source transmission arrival and can produce turning b between an incident light and the reflected light.The inclination angle a of flat LED and turning b follow the calculated relationship of b=2a.Based on optical sensor focus range of a signal 3+/-1.25cm, the representative value that can obtain the led array spacing be 1.5+/-0.625cm.
Sense organ and motion strengthen the parallel video signal output of 1 pair of embedded flat display device 4 of engine, and according to the portable use needs, signal wire adopts the wide bank of high integration and high tenacity to guarantee food quality, frame per second and fidelity usually.
Sense organ and motion strengthen the control signal output of 1 pair of omnidirectional light lighting system 5 of engine, have comprised the direct automatically controlled signal of regulating LED-backlit brightness and the mechanical automatically controlled signal of regulating the backlight expanded angle.
Sense organ and motion strengthen individual pulse control signal or the output of multitone serial control signal of 1 pair of audio prompt device 6 of engine, and when using the voice signal compositor, this has comprised the wave table signal and has possessed the playback of various complex audio codings and modulation signal.
2 pairs of sense organs of optical sensor module and motion strengthen the parallel input of the raw image data of engine 1, requirement the single-chip pararrel output of the back side of multilayer printed circuit board (PCB) optics sensor module 2 and sense organ and motion strengthen between the engine 1 by between with layer without striding the shortest connection the in hole, and guarantee the video data line wiring around and adjacent bed the interference of large level signal does not appear.
The control signal input that 3 pairs of sense organs of casing and input control assembly and motion strengthen engine 1 is man-machine haptic interaction part, for the user who has dysopia, by the corresponding specific meanings of function button, make machinery be converted into level signal by touching, stir with slip signals.
The assistant visual organ that the utility model proposes is to process the comprehensive a kind of optical electronic device that strengthens plane reading material readability by sense of touch, the sense of hearing and complex digital image.
During use, guarantee that the typoscope support opens, reading material is placed on under the assistant visual organ reverse side that strengthens plane medium readability, omnidirectional light lighting system 5 illumination reading materials, the light reflection of reading material part to be collected is to optical sensor module 2, optical sensor module 2 passes to sense organ and motion enhancing engine 1 with the information of the reading material part to be collected of collection, responds different control inputs by sense organ and motion enhancing engine 1 by Digital Image Processing; If there is reflection characteristic in reading material part surface material to be collected, the illuminate condition one that uses dull and stereotyped slide switch backlight 37 to adjust to suitable dull and stereotyped illumination system 5 strengthens readable.Finish the further control in the image acquisition process by the function button that casing and input control 3 provide, its final result of enhancing arrives embedded display device 4 by the video standard signal parallel output, main keypress function can be exported single-tone by audio frequency apparatus in operating process, multitone and voice are used as the feedback of key-press input, when receiving the button control information, sense organ and motion strengthen engine 1 to audio prompt 6 output analog level signal, and these level signals can be converted into pulsetone output by hummer or high-fidelity loudspeaker and by human auditory system's perception.When the design of the sense of touch differentiation by Control Component guarantees that even the user can't directly with the naked eye differentiate key position and function, still can judge rapidly the function button that current finger tip touches, these keypress functions further feed back to again the operation of being done with full confirmation in user's the sense of hearing in concrete operations, for the pictograph information that originally was difficult to read identification, the mathematical computations by image is amplified, the high-contrast scheme of colour realizes that to the modification of original prospect literal and background background color sense of touch, the sense of hearing and electronic visual are to the comprehensive enhancing of impaired chronognosis.
The utility model possesses low-power consumption and height carries characteristic, and owing to adopt the multiple enhancing design that is applicable to disturbance people, comprise that function button, the real-time audio control feedback that can distinguish by sense of touch and the auxiliary enhancing irradiation of satisfying simultaneously reading material guarantee that again light source body illumination is only strong or enter the optical sensing path, can satisfy most amblyopes' user demand, and its manufacturing cost possesses high advantage.The typical amblyopia problem such as can be widely used in due to person in middle and old age's degenerative dysopia and various heredity and pathology illness such as cataract, the macula lutea etc. a little less than the defect of visual field and color discrimination.
Claims (8)
1. be used for strengthening the assistant visual organ of plane medium readability, it is characterized in that: comprise that sense organ and motion strengthen engine, optical sensor module, casing and input control assembly, embedded flat display device, omnidirectional light lighting system and audio prompt; Described sense organ is connected with embedded flat display device, omnidirectional light lighting system and audio prompt device signal respectively with the enhancing engine that is connected; Optical sensor module, casing and input control assembly are connected with the enhancing engine signal that is connected with sense organ respectively; The omnidirectional light lighting system also is connected with optical sensor module light path; Casing and input control assembly comprise casing and Control Component, and casing is rectangular structure; The front of casing is provided with embedded flat display device and Control Component, and Control Component is connected with the enhancing engine signal that is connected with sense organ; Control Component is a plurality of, different buttons is provided with difform projection in the Control Component, lay respectively at embedded flat display device both sides, Control Component comprises that picture amplifying key-press, color matching mode key, picture dwindle button, photopic vision and adjust fix button and noctovision of button, image and adjust button; Control Component also comprises by-pass cock backlight, and the optical sensor module is camera lens and low-power consumption CMOS (Complementary Metal Oxide Semiconductor) cmos image sensor module, and the omnidirectional light lighting system is symmetrically arranged one group or organize flat-plate luminous diode about the optical sensor module more; Optical sensor module and omnidirectional light lighting system are positioned at the reverse side of casing; It is signal processor that sense organ and motion strengthen engine, is arranged on the printed circuit board of casing inside; The embedded flat display device is liquid crystal display or the diode displaying array of total transmissivity or Transflective; Audio prompt is single-tone or the multitone hummer of current excitation.
2. the assistant visual organ for strengthening plane medium readability according to claim 1, it is characterized in that: this assistant visual organ also comprises portable charged casket and Reading or writing support; Portable charged casket is connected with printed circuit board by the charging inlet that is arranged on casing; Reading or writing support is four-footed discrete support, is movably arranged on the reverse side of casing.
3. the assistant visual organ for strengthening plane medium readability according to claim 1, it is characterized in that: described sense organ and the enhancing engine that is connected are connected with embedded flat display device, omnidirectional light lighting system and audio prompt device analog electrical signal respectively.
4. the assistant visual organ for strengthening plane medium readability according to claim 1, it is characterized in that: described optical sensor module, casing and input control assembly are connected with the enhancing engine digital electric signal that be connected with sense organ respectively.
5. the assistant visual organ for strengthening plane medium readability according to claim 1, it is characterized in that: described Control Component is connected with the enhancing engine digital signal level that is connected with sense organ.
6. the assistant visual organ for strengthening plane medium readability according to claim 1, it is characterized in that: described embedded flat display device is positioned at the central authorities in casing front.
7. the assistant visual organ for strengthening plane medium readability according to claim 1, it is characterized in that: described picture amplifying key-press, color matching mode key and picture dwindle the right side that button is arranged on casing; Photopic vision is adjusted fix button and noctovision of button, image and is adjusted the left side that button is arranged on casing.
8. the assistant visual organ for strengthening plane medium readability according to claim 1, it is characterized in that: described by-pass cock backlight is arranged on the casing right flank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400337 CN202758515U (en) | 2012-08-13 | 2012-08-13 | Portable typoscope for enhancing readability of print media |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400337 CN202758515U (en) | 2012-08-13 | 2012-08-13 | Portable typoscope for enhancing readability of print media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202758515U true CN202758515U (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220400337 Expired - Fee Related CN202758515U (en) | 2012-08-13 | 2012-08-13 | Portable typoscope for enhancing readability of print media |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202758515U (en) |
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2012
- 2012-08-13 CN CN 201220400337 patent/CN202758515U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150813 |
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| EXPY | Termination of patent right or utility model |