CN105303907A - Remote-control video display bench for teaching - Google Patents
Remote-control video display bench for teaching Download PDFInfo
- Publication number
- CN105303907A CN105303907A CN201510855886.2A CN201510855886A CN105303907A CN 105303907 A CN105303907 A CN 105303907A CN 201510855886 A CN201510855886 A CN 201510855886A CN 105303907 A CN105303907 A CN 105303907A
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- Prior art keywords
- teaching
- bench
- desk
- control
- control desk
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a remote-control video display bench for teaching. The display bench comprises a base with a backlight plate. An LCD video monitor and a control bench with a built-in rechargeable power supply are arranged on the base. The LCD video monitor is connected with the control bench. An infrared receiving device is arranged on the control bench and is connected with an infrared remote controller. A desk light neck which can be twisted and bent is fixed on the top of the control bench and a machine head is fixed to the desk light neck. A CMOS lens is disposed on the end of the machine head. Light supplement lamps with desk light necks are arranged on two sides of the control bench. The display bench uses the desk light necks to replace complex mechanical structures for stretching and retracting, so that the bench is simpler than other similar products in structure. Besides, the display bench is provided with the built-in rechargeable power supply, so that no long connection line is needed during teaching, and thereby usage in teaching is greatly facilitated.
Description
Technical field
The invention belongs to teaching equipment technical field, particularly relate to a kind of video showing platform.
Background technology
Scanner in the market presses the difference of photo-electric conversion element, is generally CCDChargeCoupledDevice, photoelectricity coupling inductor scanner.Light signal on CCD, is converted to electric signal imaging by lens focus by it, and the latter is close to the scanning that contact is carried out on scanning contribution surface.Ccd scanner, by direct exposure in lens focus to CCD, can carry out material object scanning very easily.In scanner, sensor devices CCD is a kind of technology of comparative maturity, and its cost is lower, and image quality is but more and more higher, and some even can compare favourably with the photomultiplier that uses in rotating drum image scanner, has high cost performance.Adopt the requirement of CCD to ambient temperature of silicon single crystal technology lower, the scope of adaptation is wider.Along with the development of technology, commercially also there is a kind of video presenter at present, video presenter is also known as article showing platform, when it is connected on projector and televisor, just data, teaching materials, material object, lantern slide etc. clearly can be displayed, be one of indispensable teaching equipment of multi-media classroom.The video showing platform that one Daepori is logical comprises three parts: camera, light source and table top, also have a series of interface at the show stand back side, and some show stands towards high-end market also comprise the annexes such as infrared remote controller, computer picture capture adapter, LCD monitor.Video showing platform can be applied in each course teaching: literal arts class can various resources material, and the various books space of a whole page is used in teaching, and be directly placed in show stand table top, by the application of light, the adjustment of enlarging function, just can clearly show; Chemistry, physics subject directly can carry out some experiments on show stand, allow each student's clear view; Biological, medical science subject can observe enlarged image in kind by the adapted (microscope is first-class) of show stand camera lens.Support the use with output, input equipments such as multimedia projector, large screen back projection TV, general television set, LCD monitor, video recorder, VCD, DVD player, microphones, video showing platform has purposes widely in information technology teaching again.Teacher only just conveniently need can carry out document display by dragging with hand up and down about document.But existing video showing platform inconvenient operation, the horizontal strut part of drive head unit is easily sagging or upwarp, and structure is still comparatively complicated.
Summary of the invention
In view of the above-mentioned problems in the prior art, fundamental purpose of the present invention is to address the deficiencies of the prior art, and carries distance type video showing platform for teaching, its structure is simple, easy to use, has better imaging effect, and can Remote, make it the scope of application wider.
The technical solution used in the present invention is as follows:
Distance type video showing platform is used in teaching, comprises the base with backlight, and base is provided with LCD video monitor instrument and is built-in with the control desk of rechargable power supplies, and LCD video monitor instrument is connected with control desk; Control desk is provided with infrared receiving device, and infrared receiving device is connected with Infrared remote controller; Control desk top is fixed with can the desk lamp neck of torsional bending, and desk lamp neck is fixed with head by support, and the end of head is provided with CMOS camera lens; The both sides of control desk are also provided with the light compensating lamp with desk lamp neck.
Further, control desk is provided with front panel, and front panel is provided with power button and at least one function key.
Further, under using state, the CMOS camera lens of head end is towards backlight.
Further, the weight of base is greater than the weight sum of head and light compensating lamp.
Further, the bottommost of base is provided with for anti-skidding non-slipping block.
In sum, compared with prior art, the invention has the beneficial effects as follows:
Present invention employs desk lamp neck, instead of complicated physical construction with desk lamp neck and reach flexible object, make the present invention more simple compared to other like product structures; The employing of CMOS camera lens, while ensureing that the present invention is provided with good imaging effect, also reduces power consumption, very power saving, can extend the service time of internal battery; And the present invention also built-in rechargable power supplies and infrared receiving device, when imparting knowledge to students, can Remote, just need not connect very long power lead, make it the scope of application more extensively, this is very easy to the use of teaching.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation on controller front panel of the present invention.
Embodiment
All features disclosed in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
As shown in Figure 1: the teaching distance type video showing platform of the present embodiment, comprise the base 1 with backlight 2, base 1 is provided with LCD video monitor instrument 12 and is built-in with the control desk 3 of rechargable power supplies, LCD video monitor instrument 12 is arranged at the side of control desk 3, and LCD video monitor instrument 12 is connected with control desk 3; Control desk 3 is provided with front panel and rear panel, and front panel is provided with power button 10 with at least one function key 11(for control operation, the work as CMOS camera lens 6), it is two rows that function key 11 be arranged in parallel, and the both sides of front panel are also provided with USB interface 9; On control desk 3, the front end of front panel is provided with infrared receiving device 13, infrared receiving device 13 comprises the infrared remote receiver that is arranged at control desk 3 inside and the shell 15 for encapsulating, the position that the shell of control desk 3 is corresponding with infrared remote receiver is provided with infrared receiver hole 14, infrared receiving device 13 is connected with Infrared remote controller, for the work of this equipment of Remote; Rear panel is also provided with the power interface for charging; Control desk 3 top is fixed with can the desk lamp neck 4 of torsional bending, and desk lamp neck 4 is fixed with head 5 by support 8, and under using state, the CMOS camera lens 6 of head 5 end is parallel with backlight 2 towards backlight 2, CMOS camera lens; The end of head 5 is provided with CMOS camera lens 6; The both sides of control desk 3 are also provided with the light compensating lamp 7 with desk lamp neck 4, and what adopt in the present embodiment is LED light supplement lamp, and it has optical efficiency high-low voltage, volume is little, the life-span is long, fast response time, shock resistance strong, the characteristics such as energy-saving and environmental protection; Can more firmly place to make this device, in base 1, add counterweight iron block in the present embodiment, make the weight of base 1 be greater than the weight sum of head 5 and light compensating lamp 7, simultaneously, be provided with for anti-skidding non-slipping block at the bottommost of base 1 again, this non-slipping block adopts the rubber blanket with fold.
More high-end equipment, CCD camera lens can be adopted, CCD it use a kind of semiconductor material of ISO to make, light can be transformed into electric charge, convert digital signal to by analog to digital converter chip, digital signal is preserved by the flash memory of camera internal or built-in hard disk card after overcompression, thus easily data can be transferred to computing machine, and by means of the process means of computing machine, revise image with imagination as required.CCD is made up of, usually in units of mega pixel many photosensitive units.When CCD surface be subject to light irradiate time, electric charge can be reflected on assembly by each photosensitive unit, and the signal that all photosensitive units produce is added together, and just constitutes a complete picture.
Compared to CCD camera lens, the topmost advantage of CCD camera lens compared by the CMOS camera lens that the present invention adopts is exactly very power saving.Cmos circuit does not almost have static electric quantity consumption, only just has the consumption of electricity when circuit ON.This only has about 1/3 of common CCD with regard to making the power consumption of CMOS.Current CMOS subject matter is when processing fast-changing image, and because curent change is too frequent and overheated, it is little with regard to problem that dark current (see civilian rear annotation) suppresses well, if suppress to obtain the assorted point of bad just easy appearance.The view data scan method of CMOS and CCD has very large difference.The resolution of a such as digital camera is 3,000,000 pixels, and so ccd sensor is continuous sweep 3,000,000 electric charges, and in the end signal could amplify after having scanned by an electric charge.And each pixel of cmos sensor has one to be the amplifier of electronic signal by charge conversion.Therefore, cmos sensor can carry out signal amplification in each pixel basis, adopts and can carry out rapid data scanning in this way.
LCD video monitor instrument tool has the following advantages: resolution is higher, and display quality is higher, and power consumption is low, does not have electromagnetic radiation, and effective area reaches, and range of application is also wider.
As can be seen from such scheme, present invention employs desk lamp neck, instead of complicated physical construction with desk lamp neck and reach flexible object, make the present invention more simple compared to other like product structures; And the also built-in rechargable power supplies of the present invention, when imparting knowledge to students, just need not connect very long line, this is very easy to the use of teaching.
Description of the invention and application are illustrative, not want by scope restriction of the present invention in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present invention or essential characteristic, and the present invention with other forms, structure, layout, ratio, and can realize with other elements, material and parts.
Claims (5)
1. distance type video showing platform is used in teaching, it is characterized in that, comprise the base (1) with backlight (2), base (1) is provided with LCD video monitor instrument (12) and is built-in with the control desk (3) of rechargable power supplies, and LCD video monitor instrument (12) is connected with control desk (3); Control desk (3) is provided with infrared receiving device (13), and infrared receiving device (13) is connected with Infrared remote controller; Control desk (3) top is fixed with can the desk lamp neck (4) of torsional bending, and desk lamp neck (4) is fixed with head (5) by support (8), and the end of head (5) is provided with CMOS camera lens (6); The both sides of control desk (3) are also provided with the light compensating lamp (7) with desk lamp neck (4).
2. distance type video showing platform is used in teaching as claimed in claim 1, and it is characterized in that, control desk (3) is provided with front panel, and front panel is provided with power button (10) and at least one function key (11).
3. distance type video showing platform is used in teaching as claimed in claim 1, and it is characterized in that, under using state, the CMOS camera lens (6) of head (5) end is towards backlight (2).
4. distance type video showing platform is used in teaching as claimed in claim 1, and it is characterized in that, the weight of base (1) is greater than the weight sum of head (5) and light compensating lamp (7).
5. distance type video showing platform is used in teaching as claimed in claim 1, and it is characterized in that, the bottommost of base (1) is provided with for anti-skidding non-slipping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510855886.2A CN105303907A (en) | 2015-11-30 | 2015-11-30 | Remote-control video display bench for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510855886.2A CN105303907A (en) | 2015-11-30 | 2015-11-30 | Remote-control video display bench for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105303907A true CN105303907A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510855886.2A Pending CN105303907A (en) | 2015-11-30 | 2015-11-30 | Remote-control video display bench for teaching |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452221Y (en) * | 2000-11-09 | 2001-10-03 | 舒恬 | Multifunction video frequency show platform |
| CN2613117Y (en) * | 2003-02-24 | 2004-04-21 | 张起群 | Multimedia video displaying stand |
| CN2634759Y (en) * | 2003-07-01 | 2004-08-18 | 山东易创电子有限公司 | Digital video frequency display table |
| CN2729761Y (en) * | 2004-07-05 | 2005-09-28 | 戴崇坚 | Video frequency showing stand with LED light source |
| US20110228087A1 (en) * | 2008-12-31 | 2011-09-22 | Chi-Sheng Hsieh | Method for Manufacturing Black Plastic Article Capable of Transmitting Infrared Ray |
| CN203260211U (en) * | 2013-05-31 | 2013-10-30 | 深圳市云视科技有限公司 | Video presenter |
-
2015
- 2015-11-30 CN CN201510855886.2A patent/CN105303907A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452221Y (en) * | 2000-11-09 | 2001-10-03 | 舒恬 | Multifunction video frequency show platform |
| CN2613117Y (en) * | 2003-02-24 | 2004-04-21 | 张起群 | Multimedia video displaying stand |
| CN2634759Y (en) * | 2003-07-01 | 2004-08-18 | 山东易创电子有限公司 | Digital video frequency display table |
| CN2729761Y (en) * | 2004-07-05 | 2005-09-28 | 戴崇坚 | Video frequency showing stand with LED light source |
| US20110228087A1 (en) * | 2008-12-31 | 2011-09-22 | Chi-Sheng Hsieh | Method for Manufacturing Black Plastic Article Capable of Transmitting Infrared Ray |
| CN203260211U (en) * | 2013-05-31 | 2013-10-30 | 深圳市云视科技有限公司 | Video presenter |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160203 |
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| RJ01 | Rejection of invention patent application after publication |