CN2901354Y - Computer screen character amplifier - Google Patents
Computer screen character amplifier Download PDFInfo
- Publication number
- CN2901354Y CN2901354Y CN 200620103897 CN200620103897U CN2901354Y CN 2901354 Y CN2901354 Y CN 2901354Y CN 200620103897 CN200620103897 CN 200620103897 CN 200620103897 U CN200620103897 U CN 200620103897U CN 2901354 Y CN2901354 Y CN 2901354Y
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- China
- Prior art keywords
- computer screen
- optical lens
- movable part
- font
- lens
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Abstract
The utility model discloses a computer screen font amplifying unit, wherein an optical lens is covered on the screen, a hooker is arranged on one end of the optical lens, the utility model is fixed to a computer screen shell via the hooker, a movable part is arranged on another end of the optical lens, via the rotation support of the movable part to realize the turning over of the movable part of the optical lens. When the font amplification is not in need, the optical lens is oppressed to the computer screen, when the font amplification is needed, the movable part of the optical lens could be turned over, to amplify the fonts, the enlargement factor could be adjusted freely according to the magnitude of the turning, a biggish enlargement ratio could be yielded in a short distance via the amplification of the fonts on the computer screen amplified by the Fresnel Lens with a short focal length and a small screw-pitch, the amplification lens could be made by radiation protection materials, to prevent the computer screen radiation injury of the users.
Description
[technical field]
The utility model relates to computer, relates in particular to the amplification of computer screen font.
[background technology]
Along with the raising of science and technology development and living standards of the people, computing machine has become indispensable important tool in people's life.
First computing machine is to come out nineteen forty-six in the world.Since half a century, the development that the computing machine acquisition is advanced by leaps and bounds.On human History of Science ﹠ Technology, also there is not a kind of subject to mention in the same breath with the development of robot calculator.People are according to the performance of computing machine and hardware technology situation at that time, and the development of computing machine is divided into several stages, and each stage all is a new breakthrough technically, all is a qualitative leap on performance.
Phase one is the electron tube computing machine stage, mainly is between 1946～nineteen fifty-seven, and its principal feature is: the employing electron tube is a basic logical components, and volume is big, and power consumption is big, and the life-span is short, and reliability is big, the cost height; Adopt electron ray tube as memory unit, capacity is very little, and external storage had used the magnetic drum canned data afterwards, had expanded capacity; Input-output unit falls behind, and mainly uses card punch, and speed is slow, and the use of going out easily is very inconvenient; Do not have system software, can only programme with machine language and assembly language.
Subordinate phase is a transistored computer, mainly is between 1946～nineteen fifty-seven, and its principal feature is: adopt the transistor fabrication basic logical components, volume reduces, weight saving, and energy consumption reduces, and cost descends, and the reliability and the arithmetic speed of computing machine all are improved; Generally adopt magnetic core as reservoir, adopt disk/magnetic drum as external storage; Begin that system software has been arranged (watchdog routine), proposed the operating system notion, higher level lanquage occurred.
Phase III is an IC computer, mainly is between 1946～nineteen fifty-seven, and its principal feature is: in the employing, small scale integration is made the various logic parts, thereby make the computing machine volume little, weight is lighter, and power consumption more economizes, life-span is longer, and cost is lower, and arithmetic speed has had bigger raising; Adopt semiconductor memory as main memory, replaced original core memory, the access speed of memory span is had increased significantly, increased the processing power of system; System software has had very great development, time sharing operating system occurred, and the multi-user can share the computer software and hardware resource; Adopted Structured Programming on aspect the program design, the software complicated more for development provides technical assurance.
The quadravalence section is extensive, VLSI computer, mainly be 1970 so far, its principal feature is: basic logical components adopts extensive, VLSI (very large scale integrated circuit) makes the computing machine volume, weight, cost all reduces significantly, micro computer occurred; As the semiconductor memory of main memory, its integrated level is more and more higher, and capacity is increasing; External storage removes widely-used soft, outside the hard disc, has also introduced CD; Various input-output device easy to use occur in succession; Software industry is highly developed, and various utility softwares emerge in an endless stream, and are very easy to the family; Computer technology combines with the communication technology, and computer network closely links together the world; Multimedia technology emerges, computing machine collection image, and figure, sound, literal is handled and one, has started a revolution in field of information processing, and Dui Ying information highway is prepared in the middle of the enforcement just in full preparation with it.
Since the eighties in 20th century, Japan, the U.S., developed countries such as Europe all announce to begin the research of next generation computer.Generally believe that next generation computer should be intelligent, the intelligent behavior that it can the anthropomorphic dummy is understood people's natural language, and continues towards microminiaturization web development.
Along with development of computer, computer screen is constantly development also, the size of computer screen also has different sizes from small to large, but during computer of the common use of several people, different people may be different to the requirement of screen size, just different to the size requirements of screen font as the old man in the family with child, but present plane can not be done adaptive change as required, uses inconvenient.
[summary of the invention]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of computer screen font multiplying arrangement, makes same computer screen can adapt to different users's demand.
For achieving the above object, the utility model proposes a kind of computer screen font and open multiplying arrangement, comprise enlarging lens and hook, an end of described enlarging lens can be free movable, and the other end is fixed on the hook, and hook can be fixed on the computer screen housing.
As preferably, also comprise movable part, described movable part is arranged on the movable end of enlarging lens.
As preferably, described enlarging lens adopts the Fresnel Lenses of short focal length fine pitch.
As preferably, enlarging lens adopts radiation proof material to make.
The beneficial effects of the utility model: the utility model covers lens on computer screen, one end of lens is provided with hook, be fixed on the computer screen housing by hook, the other end of lens is provided with movable part, is supported by the rotation of movable part and realizes opening of lens movable end, when not needing font amplified, lens just are close on the computer screen, in the time of need amplifying demonstration to font, just lens can be opened by a movable end, font is amplified; Can freely regulate amplification multiple according to the amplitude size of opening; Adopt the Fresnel Lenses of short focal length fine pitch that the font on the computer screen is amplified, can produce bigger magnification in short distance, enlarging lens can adopt radiation proof material to make, and prevents the radiation injury of computer screen to the user.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is the structural representation of the utility model computer screen font multiplying arrangement;
Fig. 2 is the right view of Fig. 1.
[embodiment]
Be illustrated in figure 1 as the structural representation of the utility model computer screen font multiplying arrangement.Fig. 2 is the right view of Fig. 1.Comprise enlarging lens 11 and hook 12, an end of described enlarging lens 11 can be free movable, and the other end is fixed on the hook 12, hook 12 is fixed on the computer screen housing, this end is the stiff end of lens, also comprises movable part 13, and described movable part 13 is arranged on the movable end of enlarging lens 11.Described enlarging lens 11 adopts the Fresnel Lenses of short focal length fine pitch.For further reducing the radiation of display screen to the user, the enlarging lens 11 preferred radiation proof materials that adopt are made.Can the flexible amplification multiple because open amplification, so the focal length to enlarging lens 11 in the present embodiment has no particular limits, even the long thickness that does not also need to increase entire display screen of focal length, but the preferred Fresnel Lenses that adopts short focal length fine pitch.
The foregoing description is to further specify of the present utility model, is not to concrete qualification of the present utility model, any structure after the utility model simple transformation is all belonged to protection domain of the present utility model.
Claims (4)
1. computer screen font multiplying arrangement, it is characterized in that: comprise enlarging lens (11) and hook (12), one end of described enlarging lens (11) can be free movable, and the other end is fixed on the hook (12), and hook (12) can be fixed on the computer screen housing.
2. a kind of computer screen font multiplying arrangement as claimed in claim 1 is characterized in that: also comprise movable part (13), described movable part (13) is arranged on the movable end of enlarging lens (11).
3. a kind of computer screen font multiplying arrangement as claimed in claim 1 or 2 is characterized in that: described enlarging lens (11) adopts the Fresnel Lenses of short focal length fine pitch.
4. a kind of computer screen font multiplying arrangement as claimed in claim 1 or 2 is characterized in that: enlarging lens (11) adopts radiation proof material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103897 CN2901354Y (en) | 2006-05-23 | 2006-05-23 | Computer screen character amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103897 CN2901354Y (en) | 2006-05-23 | 2006-05-23 | Computer screen character amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2901354Y true CN2901354Y (en) | 2007-05-16 |
Family
ID=38085518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620103897 Expired - Fee Related CN2901354Y (en) | 2006-05-23 | 2006-05-23 | Computer screen character amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2901354Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717761A (en) * | 2018-05-14 | 2018-10-30 | 清远博云软件有限公司 | A kind of B2C tourisms retail data processing unit |
-
2006
- 2006-05-23 CN CN 200620103897 patent/CN2901354Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717761A (en) * | 2018-05-14 | 2018-10-30 | 清远博云软件有限公司 | A kind of B2C tourisms retail data processing unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070516 Termination date: 20130523 |