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1. 发明授权

US4277648A Telephone monitoring apparatus 失效
标题翻译：电话监控设备
公开(公告)号：US4277648A
公开(公告)日：1981-07-07
申请号：US144200
申请日：1980-04-28
申请人： David M. Glassman
发明人： David M. Glassman
IPC分类号： H04Q3/545 , H04M15/38
CPC分类号： H04Q3/54591
摘要： Each telephone line of a telephone network is individually monitored to determine its on/off hook status and any control pulses or tones being impressed thereon. Each monitor unit when it has information to present generates a first interrupt signal which is fed to a block control unit. The block control unit in turn generates a second interrupt which is fed to a master control unit along with a binary value indicative of the interrupting monitor unit. When the master control recognizes a second interrupt, a CPU interrupt along with a second binary value indicative of the block unit generating the second interrupt is generated. The second binary value (1) provides a block select address signal that enables the interrupting block unit to present to a central processing unit (CPU) data indicative of the interrupting monitor and (2) provides to the CPU data indicative of the block unit to which the interrupting monitor belongs. Upon receipt of a CPU interrupt, the CPU reads at a specific memory address the binary data that is indicative of the interrupting monitor and then issues a read command to the interrupting monitor which presents its data to the CPU for processing in accordance with the CPU program.
摘要翻译：单独监视电话网络的每个电话线以确定其开/关挂机状态和其上印有任何控制脉冲或音调。每个监视器单元当其具有要呈现的信息时，产生被馈送到块控制单元的第一中断信号。块控制单元又产生一个第二中断，该第二中断与指示中断监视单元的二进制值一起馈送到主控制单元。当主控制识别到第二中断时，产生CPU中断以及指示产生第二中断的块单元的第二二进制值。第二二进制值（1）提供块选择地址信号，使得中断块单元能够向中央处理单元（CPU）呈现指示中断监视器的数据，以及（2）向CPU指示块单元的数据中断监视器所属的。在接收到CPU中断时，CPU读取指定中断监视器的二进制数据的特定存储器地址，然后向中断监视器发出读取命令，中断监视器将其数据呈现给CPU，以根据CPU程序进行处理。

2. 发明授权

US4044248A Method and apparatus for linearizing a mirror galvanometer 失效
标题翻译：用于线性化反射镜电流计的方法和装置
公开(公告)号：US4044248A
公开(公告)日：1977-08-23
申请号：US413465
申请日：1973-11-07
申请人： David M. Glassman
发明人： David M. Glassman
IPC分类号： G01R5/10 , G01R13/38 , G01J1/20 , G01R13/40
CPC分类号： G01R5/10 , G01R13/38
摘要： Method and apparatus for linearizing the response of a mirror galvanometer or the like to a reference driving signal. An optical assembly transmits through a transmission grating a scanned light beam deflected from a reference signal driven galvanometer mirror. The beam passing through the grating is modulated thereby and received by a photocell. The transmission grating modulates the scanned beam in accordance with the velocity of scan of the light beam and the photocell produces an output signal having a freqency content corresponding to the velocity of the beam. An electrical circuit, in response to the frequency content of the photocell output signal, produces a control signal which is combined with the reference driving signal and applied to the galvanometer to deflect the galvanometer mirror in a manner linearly related to the reference driving signal.
摘要翻译：用于将反射镜电流计等的响应线性化到参考驱动信号的方法和装置。光学组件通过透射光栅透射从参考信号驱动的电流计反射镜偏转的扫描光束。通过光栅的光束被调制并被光电池接收。透射光栅根据光束的扫描速度调制扫描光束，光电管产生具有对应于光束速度的频率内容的输出信号。响应于光电池输出信号的频率含量的电路产生与参考驱动信号组合并施加到电流计的控制信号，以以与参考驱动信号线性相关的方式偏转检流计镜。

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