会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明授权
    • Temperature sensing system for over-heat detection
    • 用于过热检测的温度传感系统
    • US5793293A
    • 1998-08-11
    • US649871
    • 1996-05-13
    • Lucy MelamudRichard P. HeggsMark E. O'Loughlin
    • Lucy MelamudRichard P. HeggsMark E. O'Loughlin
    • G08B17/06
    • G01K3/005G08B17/06G01K2007/166
    • A temperature sensing system for over-heat detection includes a temperature sensing cable, interface unit and termination unit. The interface unit is configured to issue interrogation, communication and power signals to the termination unit through the temperature sensing cable. During normal operation issuance of the interrogation signal results in no reflection pulses, as the signal is dissipated through the termination resistance in the termination unit. When an over-heat, short circuit or open circuit condition exists, a reflected pulse is detected by the interface unit and this information is used to determine the type and location of the condition. The interface unit is also configured to supply power to the termination unit which in turn is stored in the termination unit to power its operations, including setting of the resistor values. The termination unit is used as an instrument of calibration in the subject system.
    • 用于过热检测的温度感测系统包括温度感测电缆,接口单元和终端单元。 接口单元被配置为通过温度感测电缆向终端单元发出询问,通信和功率信号。 在正常操作期间,当信号通过终端单元中的终端电阻消散时,询问信号不会产生反射脉冲。 当存在过热,短路或开路条件时,接口单元检测到反射脉冲,并且该信息用于确定条件的类型和位置。 接口单元还被配置为向终端单元供电,该终端单元又被存储在终端单元中以为其操作供电,包括设置电阻值。 终端单元用作主题系统中的校准工具。
    • 8. 发明授权
    • Background compensating bar code readers
    • 背景补偿条码阅读器
    • US4983817A
    • 1991-01-08
    • US392171
    • 1989-08-10
    • Thomas M. DolashPaul G. AndusMark E. O'Loughlin
    • Thomas M. DolashPaul G. AndusMark E. O'Loughlin
    • B07C3/14G06K7/10G06K7/12
    • G06K19/06028B07C3/14G06K19/06046G06K19/06056G06K7/10851G06K7/12
    • Methods and apparatus for reading a luminescent and substantially transparent bar code 1 on a background surface 2 whose reflectance may vary over the coded area. Light 7 scans (70), and excites luminescence 8 in, the bar code 1. The light 7 also reflects (9) without luminescence from the background surface 2 of the bar code 1. A first electrical or optical signal 11 is provided (4) responsive to the reflected nonluminescent light 9, and a second electrical or optical signal 10 is provided (4) responsive to the luminescent 8. Typically the first signal 11 is processed (5) to provide a third signal 31 that varies with background reflectance substantially as does the second signal 10; and the second and third signals 10, 31 are combined (5) to provide a fourth signal 12 that is substantially independent of background reflectance in the coded area, and which is decoded (6) to provide the desired reading.
    • 用于读取反射率可能在编码区域上变化的背景表面2上的发光和基本透明条形码1的方法和装置。 光7扫描(70),并激发条形码1中的发光8。光7还反射(9)没有来自条形码1的背景表面2的发光。提供第一电或光信号11(4 )响应于反射的非发光光9,并且响应于发光8提供第二电或光信号(4)(4)。通常,对第一信号11进行处理(5)以提供随着背景反射基本上变化的第三信号31 与第二信号10一样; 并且第二和第三信号10,31被组合(5)以提供基本上与编码区域中的背景反射率无关的第四信号12,并被解码(6)以提供期望的读数。