首页
登录
职称英语
Microsoft this week filed a patent application covering a novel way to const
Microsoft this week filed a patent application covering a novel way to const
游客
2024-05-04
25
管理
问题
Microsoft this week filed a patent application covering a novel way to construct a "tactile" touchscreen — a display that uses technical tricks to convince users they are actually touching the ridges, bumps and textures of a displayed image. Whereas previous screens produced only an illusion of texture, Microsoft proposes producing a real texture, using pixel-sized(像素大小的)shape-memory plastic cells that can be ordered to protrude(突出)from the surface on command.
It’s a new approach to the challenge, but not the first. Communications giant Nokia, researchers at Carnegie Mellon University in Pittsburgh, Pennsylvania, and a Finnish firm called Senseg are all developing displays that use voltages of different frequencies, applied to a grid below the touchscreen, to trick our fingertips into experiencing a wide variety of touch sensations. They are known as vibrotactile displays. They work well, but have limitations. For one thing, they can be noisy: some of the frequencies are in the audio range, so a buzz can be heard. Such problems may have prompted Microsoft to pursue a radically different approach.
Microsoft’s named inventor, Erez Kikin-Gil at the firm’s Redmond campus in Washington state, says in the patent that the idea is aimed at large table-sized computing displays such as the company’s Surface, rather than phones or tablets.
A projector built into the Surface displays a computer image onto the table top from below. As the user touches it, infrared reflections from their fingertips are detected by cameras beneath the table and used to pinpoint the position of the finger and lend touchscreen capability.
In the patent, Microsoft proposes coating the display with a light-induced shape-memory polymer(聚合物). This becomes hard and protruding when one wavelength of ultraviolet light is transmitted at a pixel, and soft when another wavelength hits it. By modulating these wavelengths, texture can be created, the patent claims.
However, Microsoft never comments on its plans for its patents and it is not yet known how feasible the idea is.
If it works it certainly would be welcome, says Patrick Baudisch, a display interaction expert at the University of Potsdam in Germany, who worked on the Surface in its early days. "Creating well-defined bumps on a touch surface is in many ways the holy grail of text entry on touch devices because it would enable touch typing at much faster speeds than on touchscreens today, " he says. And if it could be used on smaller devices, it could spell the end of keypads on phones, he believes. "There would be no more reason for mobile keypads — they would simply be emulated when necessary. That could effect massive change in this field. " [br] What’s the flaw of the vibrotactile displays mentioned in the passage?
选项
A、They give fingertips uncomfortable sensations.
B、Some of the frequencies used make noises.
C、They can only be used on large devices.
D、Some of the frequencies are insecure.
答案
B
解析
事实细节题。第二段第三、四句指出振动触觉显示器有局限性,它们很吵:一些频率在可听声频率范围内,因此会听到嗡嗡声。[B]项是对此意的正确转述,正确。
转载请注明原文地址:https://tihaiku.com/zcyy/3583341.html
相关试题推荐
SomeoftheconcernssurroundingTurkey’sapplicationtojointheEuropeanU
SomeoftheconcernssurroundingTurkey’sapplicationtojointheEuropeanU
【B1】[br]【B7】A、advantageB、errorC、shortageD、applicationD名词辨义。此处是说明颜色心理学的应用范围
Readingexpertshavebeeninterestedforalongtimeindiscoveringwhatmake
Readingexpertshavebeeninterestedforalongtimeindiscoveringwhatmake
Readingexpertshavebeeninterestedforalongtimeindiscoveringwhatmake
Itwasessentialthat______(申请表在载止日期前寄回).theapplicationform(should)besentba
RecoveringMemory:CanaNewDeviceHelpAmnesia(健忘症)Patients?Cla
RecoveringMemory:CanaNewDeviceHelpAmnesia(健忘症)Patients?Cla
RecoveringMemory:CanaNewDeviceHelpAmnesia(健忘症)Patients?Cla
随机试题
TheAmericanRevolutionwasacitizen’srevolution.Ordinarymentookalarg
Weallknowthatemotionsoriginateinthebrain.Butweusuallytalkabout
患者,女性,36岁,患“系统性红斑狼疮”l0余年,半月前因狼疮活动激素用量明显加
女,25岁,心悸、水肿4年。望诊心尖搏动左移,触及心尖区舒张期振颤(猫喘)。对该
以下哪项是审计委员会的恰当职责?A.对组织的采购职能进行审核。 B.审核首席审
室性心律失常危急病例的抢救可选用A.奎尼丁 B.阿托品 C.普萘洛尔 D.
五行调节事物整体动态平衡的机制是A.克我 B.生我 C.我克 D.制化
强度、硬度、刚度和耐热性均比较优越,常用于制造容器、贮罐、阀门的通用塑料是()
全冠粘固后出现龈缘炎,可能的原因除外A.全冠的轴壁凸度不良 B.冠边缘过长
甲公司是一家煤矿企业,依据开采的原煤产量按月提取安全生产费,提取标准为每吨10元
最新回复
(
0
)