期刊文献+
共找到2篇文章
< 1 >
每页显示 20 50 100
一种多功能新型钱包的设计 被引量:2
1
作者 周璐 《中国高新技术企业》 2013年第16期28-30,共3页
钱包是我们必不可少的东西,也是出行的好帮手。我们习惯将各种卡放进钱包里,万一钱包丢失,不仅会使财产遭受损失,还会使个人信息泄露,甚至造成更加严重的后果。鉴于此,文章提出了一种多功能新型钱包的设想,集验钞、点钞、防盗、夜光照... 钱包是我们必不可少的东西,也是出行的好帮手。我们习惯将各种卡放进钱包里,万一钱包丢失,不仅会使财产遭受损失,还会使个人信息泄露,甚至造成更加严重的后果。鉴于此,文章提出了一种多功能新型钱包的设想,集验钞、点钞、防盗、夜光照明等多种功能于一体,便于携带,方便实用。 展开更多
关键词 多功能钱包 验钞点钞 防盗 夜光照明
下载PDF
Accelerated Luminous Depreciation Testing for LED Lighting Products
2
作者 钱诚 孙博 曹峻松 《China Standardization》 2014年第5期74-79,共6页
With the application of energy-saving, environmental and durable LED lighting products, the reliability testing has become a pivot point for the large scale industrialization and popularization. The paper briefly intr... With the application of energy-saving, environmental and durable LED lighting products, the reliability testing has become a pivot point for the large scale industrialization and popularization. The paper briefly introduces two methods to be respectively applied in the accelerated depreciatinn lesting for the luminous flex of LED lighting products and the life of outdoor LED-driving power, which can sharply shorten the time for lifetime lest. providing references for the LED lighting products' reliability evaluation. 展开更多
关键词 LED lighting products outdoor LED driving power accelerated attenuation
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部