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公开(公告)号：US3789158A
公开(公告)日：1974-01-29
申请号：US3789158D
申请日：1971-11-01
Applicant: INT COMPUTERS LTD
Inventor： WALKER P , HUMPOLETZ J
Abstract: A magnetic recording head including a composite element formed by a inner layer of conductive material sandwiched between two layers of readily magnetisable material. A conductive outer layer is disposed over at least a portion of each magnetisable layer, these outer layers being electrically interconnected solely by the inner conductive layer.
Abstract translation: 一种磁记录头，包括由夹在两层易磁化材料之间的导电材料内层形成的复合元件。 导电外层设置在每个可磁化层的至少一部分上，这些外层仅由内部导电层电连接。
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公开(公告)号：US3778667A
公开(公告)日：1973-12-11
申请号：US3778667D
申请日：1972-05-11
Applicant: INT COMPUTERS LTD
Inventor： HUGHES G
CPC classification number: G09G1/10
Abstract: The development of a simplified arrangement for drawing arcuate lines on a display, such as a cathode ray tube face, by the successive specification of a sequence of displacement positions is explained, and apparatus is described for calculating the sequence of displacement positions by relative right-shifting and selective addition of a pair of initially calculated values, one for each of two co-ordinate axes. The apparatus includes a first register for each of the initial values and an accumulator for each axis, the values from the first registers being entered into each of the accumulators to form a new value. The resultant values are used to specify a drawing displacement for each axis and are recirculated to replace the values in the first registers, this cycle of events being repeated as required until the line is drawn. Where an arc extends beyond a quadrant bounded by the axes the signs of the values entered into the accumulators are changed as required for drawing an arc in the new quadrant. The change of sign is effectively accomplished by selective complementing of the values as they are entered into the accumulators.
Abstract translation: 解释了通过连续指定位移位置序列来在诸如阴极射线管面之类的显示器上绘制弧形线的简化布置的开发，并且描述了用于通过相对右侧的方法来计算位移位置的顺序的装置， 移位和选择性地添加一对初始计算的值，一个用于两个坐标轴中的每一个。
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公开(公告)号：US3774192A
公开(公告)日：1973-11-20
申请号：US3774192D
申请日：1972-03-22
Applicant: INT COMPUTERS LTD
Inventor： BOULTER D
IPC: G06K13/06 , G06K13/067 , G08B21/00
CPC classification number: G06K13/067 , G06K13/06 , Y10T307/766
Abstract: In apparatus for detecting the presence of documents on a document support surface, the surface has at least one groove extending from one end of the surface to the other end and aligning with the direction of document feed. The groove is closed at one end and open at the other. A flow of pressurized air is fed from the closed end lengthwise of the groove. A gas pressure dectection means monitors the gas pressure intermediate the ends of the groove and produces an output signal which has a first value when a document covers the groove and a second value when the document is not covering the groove.
Abstract translation: 在用于检测文档支撑表面上的文档的存在的装置中，表面具有至少一个从表面的一端延伸到另一端的凹槽，并与文件进给的方向对齐。 槽在一端封闭，另一端开放。 加压空气流从槽的长度方向的封闭端部供给。 气体压力检测装置监视槽的端部之间的气体压力，并产生当文件覆盖凹槽时具有第一值的输出信号，当文件未覆盖凹槽时产生第二值。
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74.发明授权
公开(公告)号：US3770403A
公开(公告)日：1973-11-06
申请号：US3770403D
申请日：1971-06-11
Applicant: INT COMPUTERS LTD
CPC classification number: G11B5/105 , G11B5/1272 , G11B5/235 , Y10T29/49057
Abstract: At least two parts of a magnetic head assembly are bonded together using glass-ceramic material in its ceramic phase.
Abstract translation: 磁头组件的至少两部分使用陶瓷相中的玻璃 - 陶瓷材料结合在一起。
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75.发明授权Magnetic recording apparatus with edge erase members which erase area between tracks 失效具有擦除区域的边缘擦除成员的磁记录装置
公开(公告)号：US3725607A
公开(公告)日：1973-04-03
申请号：US3725607D
申请日：1971-04-23
Applicant: INT COMPUTERS LTD
Inventor： ANGOLD E
Abstract: To eliminate undesired interference between tracks of signals recorded on a magnetic recording medium by a multitrack magnetic recording device having adjacent heads spaced apart by predetermined distances, the marginal edge portions of the signal tracks are erased by erase heads. These are located in fixed positions relative to the record heads so that after recording, the signal tracks travel past the erase heads to remove said marginal portions. To ensure that the erasing effect is limited to the marginal edge portions each erase head is surrounded, except for the actual erasing area, by a non-magnetic medium.
Abstract translation: 为了通过具有间隔开预定距离的相邻磁头的多轨磁记录装置消除记录在磁记录介质上的信号的磁道之间的不期望的干扰，信号磁道的边缘部分被擦除头擦除。 它们位于相对于记录头的固定位置，使得在记录之后，信号轨迹行进通过擦除头以去除所述边缘部分。 为了确保擦除效果被限制在边缘部分，除了实际擦除区域外，每个擦除头被非磁性介质包围。
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Patent Agency Ranking
公开(公告)号：US3721377A
公开(公告)日：1973-03-20
申请号：US3721377D
申请日：1971-11-23
Applicant: INT COMPUTERS LTD
Inventor： ATKINSON C
Abstract: For variation of the lateral positions of pairs of paper tractors, each tractor is slidable on a separate rack which is itself axially slidable. Coarse adjustment is according to preset positions of the tractors on the racks. Fine adjustment is by driving both racks of a pair of tractors together or driving only one of those racks.
Abstract translation: 对于拖拉机对的横向位置的变化，每个拖拉机可在可自行轴向滑动的单独的架上滑动。 根据机架上拖拉机的预设位置进行粗调。 微调是通过将一对拖拉机的两个机架一起驱动，或者仅驱动这些机架中的一个。
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公开(公告)号：US3687650A
公开(公告)日：1972-08-29
申请号：US3687650D
申请日：1970-07-30
Applicant: INT COMPUTERS LTD
Inventor： CASE DEREK FRANK , STAMMERS KENNETH
CPC classification number: G11B5/235 , H01F1/0315 , Y10T29/49057
Abstract: A METHOD FOR BONDING FERRITE COMPONENTS IN WHICH A GLASS BONDING MATERIAL IS CAUSED TO FILL THE GAP BETWEEN COMPONENTS. THE COMPONENTS AND GLAS ARE HEATED IN A CLOSED ENVIRONMENT AND THE PRESSURE IS REDUCED. AFTER OUTGASSING OF BUBBLES FROM THE GAP AND FERRITE HAS CEASED, THE PRESSURE IN THE ENVIRONMENT IS INCREASED, WHILE THE HEAT IS AT LEAST MAINTAINED, TO CAUSE THE GLASS TO FLOW INTO AND UNIFORMLY FILL THE GAP. THE GLASS, UPON HARDENING, THEN BONDS THE FERRITE COMPONENTS.
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公开(公告)号：US3686560A
公开(公告)日：1972-08-22
申请号：US3686560D
申请日：1971-05-06
Applicant: INT COMPUTERS LTD
Inventor： LUTTERKORT HANS HEINZ
Abstract: A D.C. power supply employs shunt stabilization of the output of a full-wave rectifier for an A.C. source. The A.C. source is a low-loss, high impedance type and a shunt stabilizer can be connected across the source output and/or the rectifier output.
Abstract translation: 直流电源采用用于交流电源的全波整流器输出的并联稳压。 交流电源是一种低损耗，高阻抗类型，并且可以在源极输出和/或整流器输出端连接并联稳压器。
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公开(公告)号：US3683163A
公开(公告)日：1972-08-08
申请号：US3683163D
申请日：1969-08-20
Applicant: INT COMPUTERS LTD
Inventor： HANSLIP TREVOR WILLIAM
CPC classification number: G06F7/505 , G06F7/494 , G06F2207/3816 , G06F2207/4924
Abstract: A technique for adding fields or portions in a fixed word adding system with carry-in and carry-out signals being as if two complete words are added together. A masking register causes two logic circuits to pass particular fields of corresponding words in two word registers. The logic circuits operate to fill the digits of one word outside of the field of that word with binary ''''1'''' signals and corresponding digits of the other word with binary O''s. The sum of each digit which appears in the adder is a binary ''''1'''' so that a carry-in signal may be injected at the lowest order bit position of the adder and extracted from the highest order bit position of the adder in a normal manner. The masking register controls a further logic circuit so that only the added fields are read out of the adder.
Abstract translation: 在具有进位和执行信号的固定字添加系统中添加字段或部分的技术就好像将两个完整的字相加在一起。 屏蔽寄存器使两个逻辑电路通过两个字寄存器中相应字的特定字段。 逻辑电路用二进制“1”信号和具有二进制O的另一个字的对应数字填充该字的字外的一个字的数字。 出现在加法器中的每个数字的和是二进制“1”，使得可以在加法器的最低位位置处注入进位信号，并以正常方式从加法器的最高位位置提取 。 屏蔽寄存器控制另一个逻辑电路，使得仅从加法器读出相加的场。
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公开(公告)号：US3652990A
公开(公告)日：1972-03-28
申请号：US3652990D
申请日：1970-02-17
Applicant: INT COMPUTERS LTD
Inventor： DARWIN GEORGE PEMBER
Abstract: Data processing apparatus for the recognition or analysis of patterns, which may, for example, be character representations requires that the pattern to be processed be divided into elementary areas arranged in a matrix. The matrix of areas is scanned by a corresponding matrix of detecting elements, such as photocells, and the resultant signals are applied as inputs to a plurality of logic units. Each logic unit is, for example, primarily associated with a specific elementary area of the pattern but connections are also provided to the unit from those detecting elements scanning other pattern areas having a particular positional relationship to the primarily associated one. These other pattern areas are typically those immediately surrounding the primarily associated one. A standard timing waveform is applied to the logic units and is modified according to the states of and positional relationships of the pattern areas whose detectors are connected to the logic unit, so that the output of the logic unit has a time relationship to the standard timing waveform which is dependent on these positions and states. For example, the areas with which a logic unit is associated may produce varying delays to the standard waveform and the various waveforms derived in this way may again be recombined. Typically, the states of the areas may produce a half-cycle delay in the waveform and the positional differences of the various areas may produce appropriate phase delays in the waveform. The resultant output waveform may be that made to indicate such features of the pattern as it is desired to recognize, such as, for example, the direction of a line, or the existence of a curve or junction in the line.
Abstract translation: 用于识别或分析图案的数据处理装置，其可以例如是字符表示，需要将要处理的图案划分为以矩阵形式布置的基本区域。 区域矩阵由诸如光电池的检测元件的相应矩阵扫描，并且所得到的信号作为输入施加到多个逻辑单元。 例如，每个逻辑单元主要与图案的特定基本区域相关联，但是也可以从扫描具有与主要相关联的特定位置关系的其它图案区域的那些检测元件向单元提供连接。 这些其他图案区域通常是那些立即围绕主要相关联的图案区域。 将标准定时波形应用于逻辑单元，并根据其检测器连接到逻辑单元的图案区域的状态和位置关系进行修改，使得逻辑单元的输出与标准定时具有时间关系 取决于这些位置和状态的波形。 例如，与逻辑单元相关联的区域可能对标准波形产生变化的延迟，并且以这种方式导出的各种波形可以再次被重新组合。 通常，这些区域的状态可能在波形中产生半周期延迟，并且各个区域的位置差异可能在波形中产生适当的相位延迟。 所得到的输出波形可以是用于指示图案的这种特征，如期望识别的，例如线的方向，或线中的曲线或结的存在。
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