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1. 发明授权

US4499572A Method for reading information or defect out of rotating disc 失效
标题翻译：用于读取信息或从旋转盘中缺陷的方法
公开(公告)号：US4499572A
公开(公告)日：1985-02-12
申请号：US402075
申请日：1982-07-26
申请人： Shozi Yoshikawa , Masaharu Sakamoto , Hiroshi Kodama , Kunio Yamamiya , Kiichi Kato , Ken Ohsima
发明人： Shozi Yoshikawa , Masaharu Sakamoto , Hiroshi Kodama , Kunio Yamamiya , Kiichi Kato , Ken Ohsima
IPC分类号： G11B5/012 , G01N21/95 , G11B7/0037 , G11B7/013 , G11B20/08 , G11B20/10 , G11B27/36 , G11B7/00
CPC分类号： G11B27/36 , G01N21/9506 , G11B20/08 , G11B20/10 , G11B7/00375 , G11B7/013
摘要： In order to read out information recorded on a disc rotating at a constant angular velocity by means of a pick-up head movably arranged in a disc radius direction, a head position on the disc is detected to obtain a position signal representing a distance from a disc center to the pick-up head, and then a pulse signal having a frequency corresponding to the position signal thus obtained is generated. A detection signal supplied from the pick-up head and the pulse signal are supplied to an AND gate and pulses of the gated out pulse signal are counted by a counter. The number of the counted pulses represents correctly a length of the information recorded on the disc irrespective of position of the information on the disc.
摘要翻译：为了通过可移动地以盘半径方向布置的拾取头读出记录在以恒定角速度旋转的盘上的信息，检测盘上的头位置以获得表示距离光盘中心到拾取头，然后产生具有与如此获得的位置信号相对应的频率的脉冲信号。从拾取头提供的检测信号和脉冲信号被提供给与门，门控脉冲信号的脉冲由计数器计数。计数脉冲的数量正好表示记录在盘上的信息的长度，而与盘上的信息的位置无关。

2. 发明授权

US2845057A Furnace-installed humidifier 失效
标题翻译：炉装加湿器
公开(公告)号：US2845057A
公开(公告)日：1958-07-29
申请号：US40207554
申请日：1954-01-04
申请人： ECONOMATIC PRODUCTS COMPANY
发明人： SKERRITT ROY P
IPC分类号： F24D5/00
CPC分类号： F24D5/00 , Y10T137/7355

3. 发明授权

US4987350A Picture reproduction apparatus with a cathode ray tube and an arrangement for measuring the beam current 失效
标题翻译：具有阴极射线管的图像再现装置和用于测量束电流的装置
公开(公告)号：US4987350A
公开(公告)日：1991-01-22
申请号：US402075
申请日：1989-09-01
申请人： Uwe Hartmann , Fritz Ohnemus
发明人： Uwe Hartmann , Fritz Ohnemus
IPC分类号： H04N9/64
CPC分类号： H04N9/645
摘要： A video-display unit in which the beam current of a cathode-ray tube is measured for a predetermined time interval during display of some lines exterior to an image, for establishing automatic cutoff for the electronic beam. This electron beam is defocused during that predetermined time interval, and the defocusing is independent of the contents of the image, so that initial lines are substantially invisible. An electronic switch may be provided for decreasing the focusing voltage of the cathode ray tube. The electronic switch may be a high-vacuum tube connected to the focusing electrode of the cathode-ray tube, or this switch may be a transistor connected through a transformer to the focusing electrode. The transformer may be attenuated.
摘要翻译：一种视频显示单元，其中在显示图像外部的一些线之前，以预定的时间间隔测量阴极射线管的束电流，以建立用于电子束的自动切断。该电子束在该预定的时间间隔内散焦，并且散焦与图像的内容无关，使得初始线基本上是不可见的。可以提供电子开关用于降低阴极射线管的聚焦电压。电子开关可以是连接到阴极射线管的聚焦电极的高真空管，或者该开关可以是通过变压器连接到聚焦电极的晶体管。变压器可能衰减。

4. 发明授权

US3937081A Vortex flowmeter 失效
标题翻译：涡街流量计
公开(公告)号：US3937081A
公开(公告)日：1976-02-10
申请号：US402075
申请日：1973-10-01
申请人： Karnig H. Dabanian , Lawrence F. Rapp , Dale C. Good
发明人： Karnig H. Dabanian , Lawrence F. Rapp , Dale C. Good
IPC分类号： G01F1/06 , G01F1/32
CPC分类号： G01F1/32 , G01F1/065
摘要： A vortex type flowmeter having a body member, a cover member and an interior varying diameter cavity formed in the body member in which fluid is introduced to flow in a generally helical pattern within the cavity, the fluid being introduced at the periphery of the cavity having the largest diameter and the fluid exiting from an aperture at the center of the vortex formed by the helical flow. The flowmeter includes a toothed rotor mounted for rotation within the cavity and the flow of fluid causes the rotor to rotate within the cavity at a rotational rate which is generally directly related to the velocity of flow. The flowmeter is provided with a light-emitting diode and photosensitive transistor combination which senses the passage of each of the teeth as the rotor is rotating within the cavity. The assembly further includes a spoiler assembly which takes the same general configuration as the rotor, the spoiler assembly being mounted closely adjacent and parallel to the rotor to cause shear drag on the rotor at high flow rates to improve the down side response time of the rotor after the flow of fluid has been decreased. In this way the linearity of the assembly is enhanced.
摘要翻译：一种涡流型流量计，其具有主体部件，盖部件和形成在主体部件中的内部变化直径的腔体，其中流体被引入以在腔内大致螺旋状的形式流动，流体在腔体的周边被引入，最大直径和从由螺旋流形成的涡流中心处的孔排出的流体。流量计包括安装成用于在空腔内旋转的齿形转子，并且流体流使得转子以通常与流速直接相关的旋转速率在空腔内旋转。流量计设置有发光二极管和感光晶体管组合，当转子在空腔内旋转时，其感测每个齿的通过。组件还包括扰流器组件，其采用与转子相同的总体构造，扰流器组件紧密地安装在转子附近并平行于转子，以在高流量下引起转子上的剪切阻力，以改善转子的下侧响应时间流体流动减少后。以这种方式，组件的线性度得到提高。

5. 发明授权

US402075A furney 失效
公开(公告)号：US402075A
公开(公告)日：1889-04-23
申请号：US402075D
CPC分类号： E03D3/04

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