CN107370904A

CN107370904A - Image-taking device and electronic system

Info

Publication number: CN107370904A
Application number: CN201610317755.3A
Authority: CN
Inventors: 卢廷缤; 王家蔚; 李嘉霖
Original assignee: Lingguang Science & Technology Co Ltd
Current assignee: Lingguang Science & Technology Co Ltd; Creative Sensor Inc
Priority date: 2016-05-13
Filing date: 2016-05-13
Publication date: 2017-11-21

Abstract

The present invention discloses a kind of image-taking device and a kind of electronic system.To gather the optical image of an object, image-taking device includes housing, luminescence unit, transmission element, several images and perceives part, focus lens and an at least location aware module image-taking device.Luminescence unit is located in housing and to produce light beam.Transmission element is installed on housing.Image perceives part and is installed on along an axis in housing with arranging, and the perception face that image perceives part faces object, and image perceives part and reflects optical image caused by the light beam to gather the object.Focus lens are located between transmission element and image perception part.Location aware module on the housing and positioned at least one side of transmission element, location aware module to gather the optical image of object, and according to the object collected optical image carry out image-taking device displacement computing.

Description

Image-taking device and electronic system

Technical field

The present invention is on image-taking device, and in particular to the miniaturization image-taking device applied in electronic system.

Background technology

Contact-type image perceptron (contact image sensor) is one kind of line style image perceptron, it is available for being applied in scanner, facsimile machine and multifunctional paper feeding machine, to by the image of plane or file scan into electronic format, in order to store, show or transmit.

The operation principle of contact-type image perceptron is irradiated to light beam caused by light source on image or word to be scanned, and charge coupled cell (charge-coupled device are gathered in the light beam (hereinafter referred to as the reflected beams) for reflecting image or word using focusing lens group, CCD) or on the induction element such as CMOS (complementary metal oxide semiconductor, CMOS).The reflected beams can be converted into corresponding electric signal by induction element, and further produce analogy or numerical digit picture element (pixel, digital pixel) data.

Hand-scanner is well received by consumers because possessing the characteristics of being convenient for carrying.Traditional hand-scanner is the displacement for coordinating computing hand-scanner using motor assembled thereon and rack, in order to the use when subsequently carrying out image processing when carrying out the scanning of image or word；However, the motor and rack on hand-scanner have certain volume, cause the overall volume of hand-scanner can not effectively to reduce.

The content of the invention

The present invention provides a kind of image-taking device, and it, with the displacement perceived, makes image-taking device possess the characteristics of miniaturization using the location aware part of optical profile type.

According to image-taking device provided by the invention, to gather the optical image of an object.Image-taking device includes housing, luminescence unit, transmission element, several images and perceives part, focus lens and an at least location aware module.Luminescence unit is located in housing and to produce light beam.Transmission element is installed on housing.Image perceives part and is installed on along an axis in housing with arranging, and the perception face that image perceives part faces object, and image perceives part and reflects optical image caused by the light beam to gather the object.Focus lens are located between transmission element and image perception part.Location aware module on the housing and positioned at least one side of transmission element, location aware module to gather the optical image of object, and according to the object collected optical image carry out image-taking device displacement computing.

The present invention separately provides a kind of electronic system, and it includes portable electronic devices and foregoing image-taking device, and electronic system can gather the optical image of object, and can carry out the computing of image-taking device displacement.

Image-taking device and portable electronic devices are included according to electronic system provided by the invention, portable electronic devices are electrically connected to image-taking device, image-taking device is transferred to portable electronic devices to gather the optical image of object after optical image is converted into corresponding digital image signal.

Brief description of the drawings

Fig. 1 illustrates the three-dimensional combination figure of the electronic system according to first embodiment of the invention；

Fig. 2 illustrates the three-dimensional exploded view of the electronic system according to first embodiment of the invention；

Fig. 3 illustrates the sectional view of the image-taking device according to first embodiment of the invention；

Fig. 4 illustrates the circuit block diagram of the electronic system according to first embodiment of the invention；

Fig. 5 illustrates the partial exploded view of the image-taking device according to first embodiment of the invention；

Fig. 6 illustrates the stereogram of the image-taking device according to second embodiment of the invention；And

Fig. 7 illustrates the circuit block diagram of the electronic system according to second embodiment of the invention.

【Symbol description】

1st, 1a image-taking devices

10 circuit boards

12 images perceive part

121st, 21 optical axis

122 perceive face

14 load bearing seats

140 through holes

16 focus lens

162 exiting surfaces

164 incidence surfaces

18 transmission elements

20 luminescence units

200 illuminating parts

202 light guides

204 reflecting components

22 location aware modules

220 loading plates

222 location aware parts

224 signal Transmission Parts

23 arithmetic elements

24 connectors

26 storage elements

28 microprocessing units

30 housings

300 perforation

302 necks

31 batteries

32 lids

34 contacts

36 engaging members

4 portable electronic devices

40 connecting seats

42 fasteners

44 display units

46 storing up electricity parts

48 communication units

5 objects

θ angles.

Embodiment

Refer to Fig. 1 and Fig. 2, Fig. 1 illustrate the three-dimensional combination figure of the electronic system according to first embodiment of the invention, Fig. 2 illustrates the three-dimensional exploded view of the electronic system according to first embodiment of the invention.From Fig. 1 and Fig. 2, electronic system (not another label) includes image-taking device 1 and portable electronic devices 4, and image-taking device 1 is installed on a side (being, for example, long side) for portable electronic devices 4；Electronic installation 4 may be, for example, mobile phone or tablet personal computer.Portable electronic devices 4 can further include control unit (Control Unit), display unit (Display Unit) 44, storage element (Storage Unit), temporary storage element (RAM) or its combination.

Please refer to Fig. 3, Fig. 3 systems illustrate the sectional view of the image-taking device according to first embodiment of the invention.Optical image is converted into numerical digit by image-taking device 1 to capture (the hereinafter referred to as optical image of object 5) to be formed on object 5（Numeral）Portable electronic devices 4 are transferred to after signal of video signal.Image-taking device 1 includes circuit board 10, image perceives part 12, load bearing seat 14, focus lens 16, transmission element 18, luminescence unit 20 and location aware module（Module）22 (as shown in Figures 1 and 2).

Circuit board 10 is printed circuit board (PCB) (printed Circuit board, PCB), image perceives part 12 on circuit board 10, and image perceives the optical axis 121 of part 12 parallel to Z axis, and to perceive the optical image of object 5.Image-taking device 1 can include the image that several long side directions (i.e. Y direction) along image-taking device 1 linearly arrange and perceive part 12, and it can be charge coupled cell, CMOS or other elements with light transfer characteristic that image, which perceives part 12,.

Load bearing seat 14 offers the through hole 140 extended along Z-direction thereon on circuit board 10.Focus lens 16 are contained in the through hole 140 of load bearing seat 14, and the surface of part 12 is perceived positioned at image, and the exiting surface 162 of focus lens 16 perceives the perception face 122 of part 12 in face of image, and optical image focusing is perceived on part 12 in image.Focus lens 16 can be for example lens pillar；The quantity of focus lens 16 is same as the quantity that image perceives part 12, and the image that each focus lens 16 are located therein respectively perceives the surface of part 12.

Transmission element 18 is in tabular, and positioned at the front of incidence surface 164 of focus lens 16；In other words, focus lens 16 are aligned in image and perceived between part 12 and transmission element 18, and the perception face 122 of image perception part 12 faces focus lens 16 and transmission element 18.Transmission element 18 can at least provide protection focus lens 16 and the effect of luminescence unit 20；Transmission element 18 for example can be made using the glass with high-transmission rate or transparent resin material, so as to preventing light beam from being absorbed or being scattered by transmission element 18.

Luminescence unit 20 is producing line style light beam.Luminescence unit 20 has optical axis 21, and the optical axis 121 that the optical axis 21 of luminescence unit 20 perceives part 12 with image has angle theta；Wherein, angle theta is acute angle.

Luminescence unit 20 includes illuminating part 200, light guide 202 and reflecting component 204.Illuminating part 200 may be, for example, light emitting diode (light emitting diode, LED), and to produce the spot beam along Y direction transmission.Light guide 202 is in strip, light-permeable, is generally made up of acryl (PMMA) or plastic cement (PC).Light guide 202 is arranged adjacently to illuminating part 200, receives spot beam caused by illuminating part 200, and can be for example using total reflection principle to irradiate object 5 after spot beam caused by illuminating part 200 is converted into line style light beam.

Reflecting component 204 is located on load bearing seat 14, and coats the part surface that light guide 202 is not used to be emitted line style light beam, is led back to again in light guide 202 will leak out out the light of light guide 202, to improve the light utilization ratio of luminescence unit 20.Reflecting component 204 is to use the material with low transmissivity (transmittance) to be made, and the entirety of reflecting component 202 or can be the color with high reflectance (reflectance) through design in face of the surface of light guide 202, such as white or silver color.

Image-taking device 1 also includes housing 30, and foregoing circuit board 10, image perceptron 12, load bearing seat 14, focus lens 16 and transmission element 18 are separately mounted in housing 30 according to foregoing arrangement mode.When perceiving the optical image of object 5 using image-taking device 1, electronic system can stand on object 5, the adjacent article 5 of transmission element 18, and image is perceived the perception face 122 of part 12 and face object 5, as shown in Figure 3.User can perceive path by gripping and mobile portable electronic devices 4 to change the image of electronic system.

Line style light beam caused by luminescence unit 20 can project along optical axis 21, and irradiate object 5 by transmission element 18.Object 5 reflects line style light beam and forms optical image, and this optical image can enter focus lens 16 by transmission element 18, and focused by focus lens 16 and perceive part 12 in image.Image, which perceives part 12, to be converted into digital image signal by the optical image collected, be used and (referred to aftermentioned) with sharp subsequent storage and transmission.

In addition, it is additionally provided with contact 34 on the housing 30 of image-taking device 1.When carrying out the collection of the optical image of object 5 in image-taking device 1, the meeting contact subject 5 of contact 34, the distance between image-taking device 1 and object 5 is allowed to be certain value, the uniformity of the quality so as to maintaining collected optical image.Seen its (i.e. shown in Fig. 3) as the side section of image-taking device 1, contact 34 is position in the both sides of transmission element 18 without covering transmission element 18.

Still further it is provided with neck 302 (as shown in Figure 2) on housing 30, neck 302 is located at housing 30 for on the side that portable electronic devices 4 are combined, and to forming that fastener 42 in the one side of portable electronic devices 4 is corresponding to be engaged；Whereby, the bond strength between image-taking device 1 and portable electronic devices 4 can be improved.

Referring to Fig. 4, it illustrates the circuit block diagram of the electronic system according to first embodiment of the invention.In Fig. 4, image-taking device 1 further includes storage element 26 and microprocessing unit 28.Storage element 26 is depositing digital image signal.Microprocessing unit 28 connects the location aware part 222 in image perception part 12, illuminating part 200, location aware module 22, and storage element 26；Microprocessing unit 28 can start image-taking device 1 according to the operation of user, and control image to perceive communication and individual operations state between part 12, illuminating part 200, location aware part 222 and storage element 26.

Image perceives the digital image signal that part 12 provides and can select to deposit in storage element 26 or be transferred to portable electronic devices 4 by connector 24 according to the control of microprocessing unit 28；Certainly, the digital image signal for depositing in storage element 26 can also be transferred to portable electronic devices 4 by microprocessing unit 28 by connector 24.As shown in figure 3, connector 24 be it is (electrical) connection on the circuit board 10, partly expose outside housing 30, and as shown in Figure 2 as it is corresponding with the connecting seat 40 of portable electronic devices engage.

What is illustrated herein is, the connector 24 and connecting seat 40 of corresponding engagement by image-taking device 1 by digital image signal except that can be transferred to portable electronic devices 4, and digital image signal is shown in outside display unit 44 with picture element data, user can also be transferred to image-taking device 1 by operational order caused by the application program on portable electronic devices 4, to control the operation of image-taking device 1.

The electric power provided of storing up electricity part 46 in portable electronic devices 4 can be more transferred to image-taking device 1 by the connector 24 and connecting seat 40 of corresponding engagement.That is, image-taking device 1 can be the electric power provided using storing up electricity part 46 to carry out the collection of the optical image of object 5；Whereby, image-taking device 1 just need not additionally install battery, and can possess the characteristics of miniaturization.Certainly, actually implement when, image-taking device 1 can also additional battery and without using the electric power of portable electronic devices 4.

Microprocessing unit 28 can also control the luminous intensity of illuminating part 200, and be linked up with portable electronic devices 4, to determine whether digital image signal is transferred to portable electronic devices 4.Further, the location aware signal that microprocessing unit 28 can more be provided according to location aware module 22 is to determine the displacement of image-taking device 1 (referring to aftermentioned).

Fig. 5 is refer to, it illustrates the partial exploded view of the image-taking device according to first embodiment of the invention.Location aware module 22 includes loading plate 220, location aware part 222 and signal Transmission Part 224, and loading plate 220 can be for example printed circuit board (PCB), and location aware part 222 and signal Transmission Part 224 are respectively arranged on opposite two plate face of loading plate 220.

Housing 30 is provided with perforation 300.As shown in Figures 1 and 2, perforation 300 can be for example two, and short side direction of the position in transmission element 18 respectively；Contact 34 is located at perforation 300 and extended in the both sides of X-direction, and along Y direction.Location aware module 22 is arranged in perforation 300, and can be combined by the engaging member 36 shown in Fig. 5 with housing 30；That is, location aware module 22 and transmission element 18 are arranged along the Y direction for the optical axis 121 that part 12 is perceived perpendicular to image.In Figure 5, engaging member 36 is screw, and is screwed in the screw 304 being formed on housing 30；However, when actually implementing, location aware module 22 and housing 30 can be combined using buckle or glue material.

After location aware module 22 is combined with housing 30, signal Transmission Part 224 is located at the side that housing 30 is adjacent to portable electronic devices 4；In other words, location aware part 222 is set away from portable electronic devices 4.Whereby, when image-taking device 1 is carrying out the collection of optical image of object 5, location aware part 222 also can gather optical image simultaneously and carry out the computing of the displacement of image-taking device 1.Location aware part 222 can gather optical image incessantly, or, location aware part 222 can also be the collection for carrying out optical image again at regular intervals.

What is illustrated is, location aware module 22 can only possess the function of collection optical image, and the optical image collected is converted into location aware signal, and portable electronic devices 4 are transferred to by signal Transmission Part 224, the computing of the displacement of image-taking device 1 is carried out by portable electronic devices 4；Or location aware module 22 can also be transferred to microprocessing unit 28 according to location aware signal caused by the optical image collected, and the computing of the displacement of image-taking device 1 is carried out by microprocessing unit 28.

In the case of foregoing two kinds, the location aware signal of portable electronic devices 4 or microprocessing unit 28 is passed to by location aware module 22 and does not include any information on the displacement of image-taking device 1, that is, location aware module 22 and the computing of the displacement of image-taking device 1 can not be carried out.However, in when actually implementing, location aware module 22 can also be the location aware signal of information of the output comprising the displacement of image-taking device 1.

Further, when image-taking device 1 possesses multiple location aware modules 22, the image for the location aware signal determining electronic system that electronic system just can export according to multiple location aware modules 22 perceives whether path produces crooked or skew, its image perceives whether path is crooked or skew can be reached by more multiple location aware signals, or by more multiple location aware signals and digital image signal；Whereby, the amendment that can be directed in the digital image signal picture element data to be presented progress position and arrangement, the perfect optical image that object is presented of picture element data being shown on display unit 44 is enable.

Image-taking device 1 can also include the lid 32 being arranged on housing 30.Lid 32 turnably is articulated on housing 30.When image-taking device 1 is carrying out the collection of optical image of object 5, lid 32 is can turn to as shown in Figure 1 to Figure 3, and on the position for not covering transmission element 18 and location aware module 22, the collection of the optical image of object 5 is carried out with sharp image-taking device 1.However, when collection of the image-taking device 1 without the optical image of object 5, lid 32 can cover transmission element 18 and location aware module 22 through rotation, to avoid dust attachment or foreign matter damage transmission element 18 or location aware module 22, and influence sensing results.

Refer to Fig. 6 and Fig. 7, Fig. 6 illustrate the stereogram of the image-taking device according to second embodiment of the invention, Fig. 7 illustrates the circuit block diagram of the electronic system according to second embodiment of the invention.The image-taking device 1a that Fig. 6 is illustrated is similar with the image-taking device 1 that Fig. 3 is illustrated, and identical element marking is with identical symbol.It is worth noting that, both difference is:Image-taking device 1a depicted in Fig. 6 only includes single individual location aware module 22a, and location aware module 22a also includes arithmetic element 23.

Arithmetic element 23 is electrically connected to location aware part 222, and gathers location aware signal caused by optical image according to location aware part 222 with the displacement of computing image-taking device 1, and operation result is passed into microprocessing unit 28.

Further, the image-taking device 1a depicted in Fig. 7 also includes battery 31.Under conditions of image-taking device 1a possesses battery 31, image-taking device 1a can carry out the transmission of digital image signal and control instruction using wireless transmit/receive units 33 and portable electronic devices 4.Also, on this condition, connector 24 and connecting seat 40 as Figure 2 illustrates can be to be omitted.

Wireless transmit/receive units 33 can be for example bluetooth transceiver or infrared transceiver.Certainly, image-taking device 1 be also not excluded for being linked up with the communication unit 48 with portable electronic devices 4 by internet, to complete the transmission of digital image signal and control instruction and reception.

After image-taking device 1a and portable electronic devices 4 form pairing and produce (electrical) and be connected, user can be for example by the application program launching image-taking device 1 inside portable electronic devices 4, and the mode of operation for driving microprocessing unit 28 to control image to perceive part 12, illuminating part 200, location aware module 22 and storage element 26.The function and related description of image-taking device 1a each element, it is actually identical with the image-taking device 1 of first embodiment, it will not be described here.Image-taking device 1a at least can reach and the identical function of image-taking device 1.

Although the present invention is disclosed above with embodiment; so it is not limited to the present invention, any to be familiar with this those skilled in the art, without departing from the spirit and scope of the present invention; when can be used for a variety of modifications and variations, therefore the scope of protection of the present invention is defined by those of the claims.

Claims

A kind of 1. image-taking device, to gather the optical image of an object, it is characterised in that the image-taking device includes:

One housing；

One luminescence unit, in the housing and to produce a light beam；

One transmission element, it is installed on the housing；

Several images perceive part, are installed on along axis arrangement in the housing, and the perception face that the image perceives part faces the object, and the image perceives part and reflects optical image caused by the light beam to gather the object；

One focus lens, between the transmission element and the image perceive part；And

An at least location aware module, on the housing and positioned at least one side of the transmission element, the location aware module to gather the optical image of the object, and according to the object collected optical image carry out the image-taking device displacement computing.
2. image-taking device as claimed in claim 1, it is characterised in that the location aware module and the transmission element arrange on the housing along the axis.
3. image-taking device as claimed in claim 1, it is characterized in that, the image-taking device includes several location aware modules, whether the location aware module gathers the optical image of the object respectively, and perceive path according to the optical image collected and offset to carry out the image of the image-taking device and judged.
4. image-taking device as claimed in claim 3, it is characterised in that the location aware module and the transmission element alternately arrange on the housing along the axis.
5. the image-taking device as described in claim 2 or 4, it is characterised in that the angle that the image is perceived between an optical axis of part and an optical axis of the luminescence unit is acute angle, and the image perceives the optical axis of part perpendicular to the axis.
6. the image-taking device as described in claim 2 or 4, it is characterised in that the location aware module further includes:

One location aware part, to gather the optical image of the object；And

One arithmetic element, the location aware part is electrically connected to, and the computing of the image-taking device displacement is carried out according to the optical image that the location aware part is gathered.
7. image-taking device as claimed in claim 6, it is characterised in that the location aware module further includes:

One signal Transmission Part；

One loading plate, the location aware part and the signal Transmission Part are tossed about positioned at the two-phase of the loading plate respectively；And

One engaging member, to combine the loading plate and the housing.
8. image-taking device as claimed in claim 7, it is characterised in that the luminescence unit includes:

One light-emitting component, for producing a spot beam；

One light guide, receive the spot beam and the spot beam is converted into line style light beam；And

One reflecting component, the light guide of covered section.
9. image-taking device as claimed in claim 8, it is characterised in that it further includes a contact, on the housing, and is arranged in the both sides of the location aware module.
10. image-taking device as claimed in claim 9, it is characterised in that it further includes a lid, is rotationally articulated in the housing.
11. a kind of electronic system, it is characterised in that it is included:

Image-taking device as described in any claim in claim 1 to 10；And

One portable electronic devices, it is electrically connected to the image-taking device.
12. electronic system as claimed in claim 11, it is characterised in that the image-taking device further includes:

One radio receiving unit, it is electrically connected to the image and perceives part and the location aware module, the radio receiving unit with the portable electronic devices for being linked up；And

One battery, to provide electric power needed for image-taking device operation.
13. electronic system as claimed in claim 12, it is characterised in that the aligning device further includes a connection piece, is electrically connected to the image and perceives part, the connector to after engage corresponding with a connecting seat of the portable electronic devices to carry out the transmission of signal and electric power.
14. electronic system as claimed in claim 13, it is characterised in that the housing is provided with a neck, and the image-taking device is arranged on a side of the portable electronic devices, neck engagement corresponding with a fastener of the formation in the portable electronic devices side.