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    • 1. 发明授权
    • Rapid fire detector
    • 快速检测器
    • US5103096A
    • 1992-04-07
    • US503215
    • 1990-04-02
    • Jacob Y. Wong
    • Jacob Y. Wong
    • G01J1/16G01J1/18G01N21/25G01N21/31G01N21/35G08B17/117G08B29/20G01N21/61
    • G08B17/117G01N21/255G01N21/3504G08B29/20G01J2001/161G01J2001/182G01N21/314G01N2201/0228G01N2201/06186G01N2201/0696
    • A compact low-cost fire detector responds quickly by detecting an increase in the concentration of carbon dioxide gas in the ambient air. The detector also calculates the rate of build-up of carbon dioxide. The detector avoids the use of moving parts by employing a differential temperature black body source of infrared radiation in conjunction with a dual pass band filter. One of the pass bands is located at the 4.26 micron absorption band of carbon dioxide gas and the other pass band is located at 2.20 microns at which none of the atmospheric gases has an absorption band. The latter channel serves as a reference and renders the detector immune to false alarms caused by dust or smoke particles in the air or due to deterioration of certain components. The fire detector makes use of a sample chamber that consists of a serpentine passage in a block of material, the walls of the serpentine passsage being highly reflective so as to act as a light pipe.
    • 一个紧凑的低成本火灾探测器通过检测环境空气中二氧化碳气体浓度的增加来快速响应。 检测器还计算二氧化碳的积聚速率。 通过采用红外辐射的差分温度黑体源与双通带滤波器相结合,检测器避免使用移动部件。 其中一个通带位于二氧化碳气体的4.26微米吸收带上,另一个通带位于2.20微米处,在此处没有一个气氛具有吸收带。 后一个通道用作参考,使得检测器免受由空气中的灰尘或烟雾颗粒引起的或由于某些组分的劣化引起的假警报。 火灾探测器利用由一块材料中的蛇形通道组成的样品室,蛇形通道的壁是高反射性的,以作为光管。
    • 3. 发明授权
    • Nondispersive gas analyzer having no moving parts
    • 无分散气体分析仪,无运动部件
    • US4694173A
    • 1987-09-15
    • US785725
    • 1985-10-09
    • Jacob Y. Wong
    • Jacob Y. Wong
    • G01J1/16G01J3/12G01J5/62G01N21/31G01N21/35G02F1/01G01N21/03G02F1/29
    • G01N21/3504G01J2001/161G01J2003/1269G01J2005/626G01N2021/3129G01N21/314G01N21/3518G02F1/0147
    • A multi-component non-dispersive gas analyzer of a type typically used to measure the concentrations of gases present in automotive emissions and in breath analyzers has no moving parts and employs electrically operated means for effectively inserting and removing a reference cell from the optical path and for selecting a particular filter to determine momentarily the wavelengths of radiation being examined. The means for accomplishing these ends include a substrate on which a layer of vanadium dioxide is deposited. The layer is a good reflector at temperatures greater than 67.degree. C. and reflects only slightly at lower temperatures. The layer is alternately heated by an electrical current and is then allowed to cool to provide the desired optical switching action. This electrically-controlled selectively reflective layer is then used in conjunction with the reference cell and with an array of filters to implement the necessary switching and selection of the components.
    • 通常用于测量汽车排放物中和气体分析仪中存在的气体浓度的多组分非分散气体分析仪没有运动部件,并且采用电动装置,用于从光路有效地插入和去除参考电池, 用于选择特定滤波器以确定正在检查的辐射的波长。 用于实现这些端部的方法包括其上沉积有二氧化钒层的基底。 该层在高于67℃的温度下是良好的反射器,并且在较低温度下仅略微反射。 该层被电流交替加热,然后被允许冷却以提供所需的光学切换动作。 然后将该电控选择性反射层与参考单元结合使用并具有一组滤波器以实现组件的必要的切换和选择。
    • 8. 发明申请
    • METHOD OF MANUFACTURING PRINT HEAD, PRINT HEAD AND IMAGE FORMING APPARATUS
    • 制造打印头,打印头和图像形成装置的方法
    • US20150202887A1
    • 2015-07-23
    • US14598800
    • 2015-01-16
    • Shigeaki IMAI
    • Shigeaki IMAI
    • B41J2/47G01J1/16
    • B41J2/47B41J2/447G01J1/16G01J2001/161
    • A method of manufacturing a print head includes a first step of finding first light quantity related data showing a light quantity in a light spot formed by lighting up each of light-emitting units by a driving unit by using a first threshold, a second step of finding first magnitude related data showing a magnitude in the light spot formed by lighting up the light-emitting unit by the driving unit by using a second threshold, a third step of finding first ratio data showing a ratio between the first light quantity related data and the first magnitude related data, a fourth step of finding light quantity correction data to the light-emitting unit forming the light spot as a target by using the first ratio data, and a fifth step of retaining the found light quantity correction data to the print head.
    • 一种制造打印头的方法包括:第一步骤,找到第一光量相关数据,其显示通过使用第一阈值由驱动单元点亮每个发光单元形成的光点中的光量;第二步骤 找到第一幅度相关数据,其显示通过使用第二阈值由驱动单元点亮发光单元而形成的光斑中的大小;第三步骤,找到第一比率数据,其示出第一光量相关数据与第一光量相关数据之间的比率 第一幅度相关数据,第四步骤,通过使用第一比率数据将形成光点的发光单元找到光量校正数据作为目标;以及第五步骤,将找到的光量校正数据保存到打印机 头。