CN100440035C - Camera - Google Patents

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Publication number
CN100440035C
CN100440035C CNB2006100893558A CN200610089355A CN100440035C CN 100440035 C CN100440035 C CN 100440035C CN B2006100893558 A CNB2006100893558 A CN B2006100893558A CN 200610089355 A CN200610089355 A CN 200610089355A CN 100440035 C CN100440035 C CN 100440035C
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China
Prior art keywords
base
carriage
rotation
right rotation
camera head
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CNB2006100893558A
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Chinese (zh)
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CN1862375A (en
Inventor
李权建
杜金泉
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Mid Star Technology Ltd By Share Ltd
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Vimicro Corp
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Priority to CNB2006100893558A priority Critical patent/CN100440035C/en
Publication of CN1862375A publication Critical patent/CN1862375A/en
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Abstract

The present invention provides a camera device which comprises a lens assembly, a rotational head, a bracket and a base, wherein the rotational head is arranged on the bracket, the bracket is arranged on the base, the lens assembly is arranged in the rotational head, a left and right rotation driving assembly is arranged in the base, and the upper and the lower ends of the left and right rotation driving assembly are respectively connected with the bracket and the base to drive the bracket to rotate left and right correspondingly to the base. The left and right rotation driving assembly comprises a left and right rotation motor and left and right limit switches. A barrier part and a barrier block are also arranged between the base and the bracket. The camera device of the present invention adopts an integrative structure and realizes the function of rotating left and right for shooting, and can automatically rotates to shoot pictures in an effective shooting area and prevent structural damage caused by forcible operation. Thus, compared with the prior art, the present invention not only has agile and effective shooting mode, but also has simple structure, low cost and convenient operation.

Description

A kind of camera head
Technical field
The present invention relates to a kind of camera head, particularly a kind of rotatable camera head.
Technical background
Since the eighties of last century later stage nineties, the fast development of computing machine, spurred the growth at full speed of internet, through a few years, nowadays network has become requisite a kind of life style of people and means of communication, online working, online chat, Web conference ... more and more becoming to the indispensable part of our office, and camera becomes the necessary article in the network life.
Common camera is to be connected on the computer by communication interface, the driver and the application software of camera are installed on the computer, camera is by its camera assembly, comprise camera lens, imageing sensor and be used to accordingly control and the PCB circuit board of Flame Image Process, transmission, the image of gathering is transferred on the computer by communication interface shows.When people adopt this common camera to carry out long-distance video, then need the computer logging in network, and the image of camera being taken by the application software on the computer carries out remote transmission.
Therefore, a kind of camera that can directly carry out the network image data transmission, promptly IP Camera is arisen at the historic moment.IP Camera not only has camera assembly but also have the network coupling assembling, and this network coupling assembling comprises the TCP/IP interface, thereby can directly connect netting twine, to long-distance user's transmit image data.
But the camera lens of present camera generally all adopts stationary structure, the lens assembly that is camera is fixedly installed on the body base of camera, during use, where the camera body is placed on, and the shooting area of camera lens just is fixed on a fixed area in camera the place ahead accordingly.Have only the whole camera of moving, could change its shooting area.Some camera heads are also arranged at present on the market, and it is electrically connected with a cradle head device by the RS232 interface, drives its rotation or mobile by The Cloud Terrace, and changes camera watch region.But, there is inconvenience during use because cradle head device and camera head are two equipment.
Summary of the invention
The objective of the invention is:, but provide a kind of camera head of left rotation and right rotation at least of integral type at the deficiencies in the prior art.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of camera head, comprise lens assembly, also comprise rotating head, carriage and base, described rotating head is arranged on the carriage, described carriage is arranged on the base, and described lens assembly is arranged in the rotating head, is provided with the left rotation and right rotation driven unit in the described base, it connects described carriage and base respectively in two ends up and down, drives the described relatively base left rotation and right rotation of described carriage.
Further, described left rotation and right rotation driven unit can comprise the left-right rotation motor, the bottom of described carriage is provided with the rotation axis pickup groove, the rotation axis of described left-right rotation motor being fixed in the described rotation axis pickup groove from bottom to top, the body of described left-right rotation motor is fixed in the described base.
Further, described left rotation and right rotation driven unit can also comprise left and right sides limit switch, be symmetrically arranged with a pair of contact on the bottom face of described carriage, the button portion of described left and right sides limit switch is arranged between two contacts, described carriage is during by described left-right rotation motor-driven left rotation and right rotation, two contacts of described carriage are movable to the position at described button portion place, and touch described button portion.
Preferably, described contact protrudes from the bottom face of described carriage downwards, and the contact of described left and right sides limit switch is horizontally disposed with.
Further, offer a circular containing cavity downwards from its upper surface on the described base, the top-down through hole that offers on the bottom surface of described containing cavity, the rounded column in the bottom of described carriage, it is top-down to penetrate in the base through described containing cavity and described through hole.
Further, be provided with ball bearing between described carriage and the described containing cavity, described ball bearing is sheathed on the bottom of the circular cylindrical shape of described carriage.
Further, the lower side of described carriage is provided with the projection that stops with circular arc side surface that protrudes its side surface, the inwall of the through hole on the described base is made of two different circular arcs of diameter, and form a pair of stop part in the junction of two circular arcs, during described carriage left rotation and right rotation, it stops that projection moves along the bigger circular arc inwall of the diameter of described through hole, and is stopped by described stop part.
Further, described camera head can be network camera device, also comprises the network coupling assembling, and described network coupling assembling is arranged in the described base, but described base is provided with the display module of display network connection IP address at least.
Preferably, described display module can fixedly side arm and LCD be configured to after fixing by slide, LCD display board, LCD, offer display window on the front end face of described base, described LCD display board is sandwiched in described LCD fixedly side arm and LCD fixedly between the after-frame, its LCD display is positioned at the rear of described base display window, and described slide is embedded in the described display window.
In technique scheme, the present invention adopts an integral structure, but realizes the lens assembly left rotation and right rotation, and it both can obtain flexibly, large-scale shooting area, and was simple in structure again, with low cost, easy to use.In addition, the present invention has the rotating head left rotation and right rotation of lens assembly by the drive installation of left rotation and right rotation driven unit, and the button portion by contact on the carriage and bound bit switch, control its anglec of rotation, thereby make camera head can take image in the effective coverage.Simultaneously, the present invention is also by the barrier structure between carriage and the base, can prevent from effectively that the user from rotating by force to cause structural failure after camera transfinites.And the present invention also rotates to a direction when rotating head, touch left and right sides limit switch to contact after, can rotate by automatic reverse, go round and begin again, so the present invention can realize " tour " automatically it takes the function in field, can satisfy the needs of field of video monitoring.
Description of drawings
Fig. 1 is the perspective view of a kind of preferred embodiment of a kind of camera head of the present invention;
Fig. 2 is the front view of camera head shown in Figure 1;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the left view of Fig. 2;
Fig. 5 is the right view of Fig. 2;
Fig. 6 is the upward view of Fig. 2;
Fig. 7 is that the A-A of Fig. 2 is to cut-open view;
Fig. 8 is that the B-B of Fig. 2 is to cut-open view;
Fig. 9 is the parts perspective view one of camera head shown in Figure 1;
Figure 10 is the parts perspective view two of camera head shown in Figure 1;
Figure 11 is the parts perspective view three of camera head shown in Figure 1;
Figure 12 is that the C-C of Fig. 2 is to partial sectional view.
Embodiment
Below in conjunction with Figure of description and specific embodiment the present invention is described in further detail.
With reference to figure 1, a kind of camera head provided by the invention, it is made of rotating head 1, carriage 2 and base 3.Wherein, the top that is arranged on described carriage 2 that described rotating head 1 can rotate up and down, but being arranged on the described base 3 of the bottom left rotation and right rotation of described carriage 2.
With reference to figure 1, Fig. 3, Fig. 6 and Figure 11, described rotating head 1 is assembled into a hollow ball by fore shell 13 and back cover 17, also is provided with front decoration shell 14 on the described fore shell 13, also is provided with back Decorative shell 19 on the described back cover 17.Described fore shell 13 is provided with and is used for the hole that outwards passes in the 10 spin rotary heads 1 of lens assembly 11 and LED lamp.Lens assembly 11 stretches out the place and also is provided with camera lens cosmetic sheet 12 on the described fore shell 13.Described LED lamp 10 is provided with a plurality of, can and be the arrangement of two row's formulas as 6 in the present embodiment, carries out floor light when they can be used for the camera head photographic images.Certainly, it can adopt the servicing lighting of other camera head to substitute.
With reference to Figure 11, the left and right sides of described rotating head 1 forms a pair of horizontally disposed cylindrical hollow turning axle by fore shell 13 and back cover 17 assemblings, also is respectively arranged with circular left retaining collar 15 and right retaining collar 18 on the described turning axle.
With reference to figure 1 and Figure 11, described carriage 2 is the semicircle hollow structures that are made of front rack 210 and tail-bracket 211, and on these semi-circular top two ends, be respectively arranged with semisphere ears 20 with circular accommodation space 200, the turning axle of described rotating head 1 inserts respectively in the accommodation space 200 of described ears 20, therefore when rotating head 1 rotated up and down, its turning axle rotated in described ears 20.Described retaining collar 15,18 can be used for reducing the spin friction resistance of rotating head 1.The semicircular base of described carriage 2 is extended rounded column structure 210 downwards, is used to insert in the described base 3.The concrete structure of base 3 holds follow-up explanation.
Be provided with lens assembly 11 and rotary drive assembly up and down in the described rotating head 1.
With reference to figure 9, described lens assembly 11 is made of camera lens circle 110, camera lens 111, lens mount 112 and PCB (Printed Circuit Board, printed circuit board (PCB)) plate 113.With reference to figure 7, described pcb board is fixed in the inner chamber of described rotating head 1.Described LED lamp 10 and described lens mount 112 are fixed on the described pcb board 113, and all are electrically connected with circuit on the pcb board 113.Described camera lens 111 is arranged in the lens mount 112, and outside the extended rotating head 1, described camera lens circle 110 is sheathed on the camera lens 111.
With reference to Figure 11, described up and down rotary drive assembly comprises bound bit switch 160, motor fixing frame 161, rotary electric machine 162, fan sheet 163 and drive of motor part 164 up and down.
With reference to figure 8 and Figure 11, an end of described drive of motor part 164 is set in the accommodation space 200 of the spherical ears 20 in right side (among Fig. 8 for left side) of described carriage 2.And this end of drive of motor part 164 is vertical square sheet, offer the retaining groove (not shown) that is complementary with its shape in the described accommodation space 200, thereby the end cards in the carriage 2 of being arranged at of drive of motor part 164 are established and are fixed in this retaining groove.Described drive of motor part 164 with the corresponding other end of an end that snaps in the carriage 2 on level offer the motor rotation axis fixed orifice that is complementary with the rotation axis shape of rotary electric machine 162 up and down, thereby described rotation axis is horizontally fixed in this hole.Described fan sheet 163 is a flat sheet, along continuous straight runs offers the through hole with the rotation axis profile coupling of rotary electric machine 162 up and down on it, the rotation axis of described up and down rotary electric machine 162 passes in this through hole, and inserts in the motor rotation axis fixed orifice on the described drive of motor part 164.
A fixing side (being the rear end among Figure 11) of rotary electric machine 162 up and down of described motor fixing frame 161 has the arc recess, the described body of rotary electric machine 162 up and down is fixedly mounted in the inner chamber of described rotating head 1 the arc recess that passes described motor fixing frame 161 from left to right of its rotation axis level by described motor fixing frame 161.
Described fan sheet 163 can rounded covering of the fan, inwardly recessed on it from fanning the sheet edge, formation has the spacing angle theta of certain angle, described bound bit switch 160 is fixed on the described pcb board 113, and be electrically connected with circuit on the pcb board 113, the opposite side corresponding to the arc recess of described motor fixing frame 161 (being the front end among Figure 11) has square recess, when camera lens 111 levels of rotating head 1 forward the time, the equal level of opening direction of the opening direction of the spacing angle of cut θ of described fan sheet 163 and described square recess forward.The button portion level of described bound bit switch 160 pass described square recess from left to right, and insert in the angle zone of described spacing angle theta, and described fan sheet 163 is during by rotary electric machine 162 driven in rotation up and down, two angle limits of its spacing angle theta are movable to described button portion position, and touch described button portion, give circuit on the described pcb board 113 thereby produce limit signal.
With reference to figure 1 and Figure 10, described base 3 is the ducted bodies that are made of base shell 30, base inner casing 31, base cover plate 33, offer display window 300 on its front end face, offer network thereafter on the end face and connect window 301, the bottom surface of its base cover plate 33 also is provided with base rubber cushion 32 for four jiaos.
With reference to Figure 10 and Figure 12, offer a circular containing cavity 301, the top-down through hole 302 that offers on the bottom surface of described containing cavity 301 on the described base 3 downwards from its top.The front is mentioned, and the semicircular base of carriage 2 is extended rounded column structure 210 downwards, is used to insert in the described base 3.210 parts that are carriage 2 shown in Figure 12 are inserted the structural representation behind this through hole 302.The side of the bottom 210 of described carriage 12 be provided with protrude its side surface have a circular arc side surface stop projection 212, the inwall of the through hole 302 on the described base 3 is made of two different circular arcs of diameter, and form a pair of stop part 303 in the junction of two circular arcs, during described carriage 2 left rotation and right rotation, it stops that projection 212 moves along the bigger circular arc inwall of the diameter of described through hole, and is stopped by described stop part 303.Thereby (this predetermined angular is by the determining positions of a pair of stop part 303 above predetermined angular can to prevent the user to rotate camera by force, when a pair of stop part 303 like this is positioned at the diameter two ends of circular arc, determine that described predetermined angular is 180 degree) time, the physical construction that causes is damaged.
With reference to figure 7,8,11,12, also be provided with circular ball bearing 213 between the cylindrical bottom of described carriage 2 and the described containing cavity 301, be used for when carriage 2 left rotation and right rotation, reducing frictional resistance.
Be provided with display module, network coupling assembling, left rotation and right rotation driven unit and pcb board 351 in the described base 3.
With reference to Figure 10 and Fig. 7, described display module comprises the fixedly fixing after-frame 343 of side arm 342 and LCD of slide 340, LCD display board 341, LCD.Described LCD display board 341 is sandwiched in described LCD fixedly side arm 342 and LCD fixedly between the after-frame 343; it is a packaged PCB circuit board that LCD display is arranged; its LCD display is positioned at the rear of described base display window 300; described slide 340 is embedded in the described display window 300, is used to protect LCD display.Certainly, the one of ordinary skilled in the art should be known in that described display module can also adopt as other display structures such as liquid crystal display structures.
With reference to figure 6 and Fig. 7, described network coupling assembling comprises pcb board 352 and is arranged at network connection port on the pcb board 352, can network when the user uses connects window 301 and inserts netting twines in described network connection port.Certainly the power connector end mouth of this camera head also can be arranged at network connection window 301 places, makes the user connect window 301 from network and inserts electric power connection lines to the power connector end mouth.
Described pcb board 352 is provided with communication control circuit and electric power management circuit, described pcb board 351 is provided with system's central control circuit and image processing circuit, certainly, the circuit between pcb board 351 and the pcb board 352 can connect by lead, realizes the transmission of signal.Two circuit boards also can unite two into one.Even the circuit in the whole camera head all can be arranged in the circuit board.Circuit in the present embodiment adopts split-type structural, so the circuit in the base 3 is connected by the lead in the inner chamber that is located in carriage 2 and rotating head 1 interior circuit.
With reference to Figure 11, described left rotation and right rotation driven unit comprises left-right rotation motor 360, left and right sides limit switch 361.The rotation axis of described left-right rotation motor 360 upwards is inserted in the rotation axis pickup groove 211 interior (seeing Figure 12) of the bottom of described carriage 2, and its motor body is fixed in the inner chamber of described base 3.
Also symmetrically on the bottom face of described carriage 2 be provided with a pair of contact 214 that protrudes from bottom face downwards, described left and right sides limit switch 361 is fixed in the inner chamber of described base 3, and stretching between described two contacts 214 of its button portion 362 levels, when described carriage 2 is driven left rotation and right rotation by described left-right rotation motor 360, two contacts 214 of described carriage 2 are movable to the position at described button portion 362 places, and touch described button portion 362, export in the circuit on the LCD display board 341 thereby produce limit signal.
The principle of work of the camera head that present embodiment provides is:
Under the original state, the camera lens 111 of camera head is aimed at the dead ahead.
During use, the user inserts netting twine on the network connection port of camera head, and is this camera head energized.Then on LCD display, can show the current network link information, as IP address, proxy gateway etc.Camera head also can be informed long-range bitcom with this network connection information automatically, so that the network user can be by the network connection information of software setting camera head.
After camera head receives the automatic camera order that the network user sends, produce motor control signal, motor is started working by the circuit on its pcb board.At this moment, rotary electric machine 162 driven in rotation 1 turning axle around its two ends, left and right sides on carriage 2 rotates up and down up and down.Because under a lot of situations, the zone that camera head need be taken or monitor is not omnibearing, when being placed on certain corner such as this camera head, the zone of its required shooting is its place ahead certain angle downwards, upwards therefore certain angle can adopt the size of the spacing angle theta of fanning sheet 163 and the position of button portion in the angle zone of spacing angle theta of bound bit switch 160 to set the angular range that it rotates up and down.As a kind of specific embodiment be, the spacing angle theta that makes described fan sheet is 90 degree, and the button portion of described bound bit switch is arranged at upwards 30 degree of this spacing angle theta, on the separatrix of downward 60 degree.Like this, the total angle that rotating head 1 swings up and down is 90 degree, can upwards swing 60 degree, to lower swing 30 degree.After the lower edge of fan sheet angle touches the button portion of bound bit switch 160, bound bit switch 160 produces limit signal to the circuit of device, circuit control rotary electric machine 162 directions rotation up and down thus, touch the button portion of bound bit switch 160 to the upper edge of the angle of fanning sheet, reverse again.So go round and begin again, thereby realize rotation shooting up and down automatically.
And, left-right rotation motor 360 also driven bracket 2 around the vertical direction left rotation and right rotation, thereby driven rotary 1 integral body swings.The same down reason of the angle limits of rotation adopts the position of button portion 362 between contact 214 of the position of a pair of contact 214 on the carriage 2 and left and right sides limit switch 361 to decide the angle of its left rotation and right rotation here.Be the diameter two ends of contact 214 at the circular base end face of carriage 2 to be set, and to make button portion 362 be positioned at the middle of two contacts 214 as a kind of embodiment.Then carriage 2 is behind anticlockwise 90 degree, and the contact 214 on right side touches button portion 362, produces limit signal, makes the reverse rotation of left-right rotation motor, and driven bracket 2 is to right rotation 90 degree, touches button portion 362 to the contact 214 in left side, and is reverse again.So go round and begin again, thereby realize the automatic left rotation and right rotation shooting of camera head.
" level " that should be noted that herein to be adopted can comprise the arbitrarily angled of non-90 degree, " vertically " of being adopted herein can comprise non-0 spend arbitrarily angled." preceding " that is adopted herein, " back ", " left side ", " right side ", " on ", the noun of locality such as D score all is with respect to the orientation in the Figure of description, do not constitute the restriction when reality used.
Above-mentioned principle of work only is a kind of working method of present embodiment, those skilled in the art all know, present embodiment is also applicable to being operated rotating head 1 or carriage 2 rotates by the network user, as send steering order one time, then motor rotates a week, and camera head is swung with fixed step size.In addition, the one of ordinary skilled in the art also knows, though present embodiment provides a kind of network camera device that is used for the network connection, but the structure of present embodiment is equally applicable to common computer camera device.And, structure in the present embodiment also can adopt multiple equivalent configurations to substitute, as adopt reducing motor, stepper motor etc. as rotary electric machine or left-right rotation motor up and down, the drive of motor part 164 that adopts the structure that motor rotation axis jack and so on is set in the accommodation space 200 of carriage ears 20 to substitute for another example to adopt in the present embodiment etc.
Therefore, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1, a kind of camera head, comprise lens assembly, it is characterized in that: also comprise rotating head, carriage and base, described rotating head is arranged on the carriage, described carriage is arranged on the base, and described lens assembly is arranged in the rotating head, is provided with the left rotation and right rotation driven unit that comprises the left-right rotation motor in the described base, it connects described carriage and base respectively in two ends up and down, drives the described relatively base left rotation and right rotation of described carriage; Offer a circular containing cavity downwards from its upper surface on the described base, the top-down through hole that offers on the bottom surface of described containing cavity, the rounded column in the bottom of described carriage, it is top-down to penetrate in the base through described containing cavity and described through hole; The lower side of described carriage is provided with the projection that stops with circular arc side surface that protrudes its side surface, the inwall of the through hole on the described base is made of two different circular arcs of diameter, and form a pair of stop part in the junction of two circular arcs, during described carriage left rotation and right rotation, it stops that projection moves along the bigger circular arc inwall of the diameter of described through hole, and is stopped by described stop part.
2, camera head according to claim 1, it is characterized in that: the bottom of described carriage is provided with the rotation axis pickup groove, the rotation axis of described left-right rotation motor being fixed in the described rotation axis pickup groove from bottom to top, the body of described left-right rotation motor is fixed in the described base.
3, as camera head as described in the claim 2, it is characterized in that: described left rotation and right rotation driven unit also comprises left and right sides limit switch, be symmetrically arranged with a pair of contact on the bottom face of described carriage, the button portion of described left and right sides limit switch is arranged between two contacts, described carriage is during by described left-right rotation motor-driven left rotation and right rotation, two contacts of described carriage are movable to the position at described button portion place, and touch described button portion.
4, as camera head as described in the claim 3, it is characterized in that: described contact protrudes from the bottom face of described carriage downwards, and the contact of described left and right sides limit switch is horizontally disposed with.
5, camera head according to claim 1, it is characterized in that: be provided with ball bearing between described carriage and the described containing cavity, described ball bearing is sheathed on the bottom of the circular cylindrical shape of described carriage.
6, as camera head as described in one of in the claim 1 to 5, it is characterized in that: described camera head is a network camera device, also comprise the network coupling assembling, described network coupling assembling is arranged in the described base, but described base is provided with the display module of display network connection IP address at least.
7, as camera head as described in the claim 6, it is characterized in that: fixedly side arm and LCD are configured to after fixing described display module by slide, LCD display board, LCD, offer display window on the front end face of described base, described LCD display board is sandwiched in described LCD fixedly side arm and LCD fixedly between the after-frame, its LCD display is positioned at the rear of described base display window, and described slide is embedded in the described display window.
CNB2006100893558A 2006-06-21 2006-06-21 Camera Active CN100440035C (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102122177B (en) * 2010-12-28 2015-07-29 天津市亚安科技股份有限公司 A kind of device realizing the passback of The Cloud Terrace angle
CN106210673A (en) * 2016-09-20 2016-12-07 深圳市丰巨泰科电子有限公司 Monitoring device and assemble method thereof for security protection
CN110958378A (en) * 2019-12-30 2020-04-03 四川兴济电力设备有限公司 Integrated intelligent cloth control ball
CN112911098B (en) * 2021-01-14 2023-03-14 东莞市里鹏模具开发有限公司 Camera device and assembling method thereof

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US5598207A (en) * 1994-04-12 1997-01-28 Hughes Electronics Camera pointing mechanism using proximate magnetic sensing
US6147701A (en) * 1996-07-17 2000-11-14 Canon Kabushiki Kaisha Image sensing apparatus
CN1280312A (en) * 1999-07-09 2001-01-17 金云龙 Panorama / inclined camera
CN2458642Y (en) * 2000-08-28 2001-11-07 传世通讯科技股份有限公司 Monitoring camera with rotatable lens
CN1427628A (en) * 2001-12-17 2003-07-02 浙江大学 Network digital camera
CN200950206Y (en) * 2006-06-21 2007-09-19 北京中星微电子有限公司 Photographic device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5598207A (en) * 1994-04-12 1997-01-28 Hughes Electronics Camera pointing mechanism using proximate magnetic sensing
US6147701A (en) * 1996-07-17 2000-11-14 Canon Kabushiki Kaisha Image sensing apparatus
CN1280312A (en) * 1999-07-09 2001-01-17 金云龙 Panorama / inclined camera
CN2458642Y (en) * 2000-08-28 2001-11-07 传世通讯科技股份有限公司 Monitoring camera with rotatable lens
CN1427628A (en) * 2001-12-17 2003-07-02 浙江大学 Network digital camera
CN200950206Y (en) * 2006-06-21 2007-09-19 北京中星微电子有限公司 Photographic device

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