公开(公告)号：EP0097256A2

公开(公告)日：1984-01-04

申请号：EP83105168.5

申请日：1983-05-25

申请人： International Business Machines Corporation

发明人： Gumaer, Robert Arthur ,  Mortenson, John Altert

IPC分类号： G06F12/00 ,  G06F9/46

CPC分类号： G06F9/463 ,  G06F11/1446 ,  G06F12/123 ,  G06F17/30

摘要： Apparatus and method for managing a buffer pool (14) shared by sequential (16) and random processes (18). A data base manager includes a buffer manager (20) which: (1) maintains a normal least recently used (LRU) buffer chain and a sequential LRU buffer chain, the sequential LRU buffer chain being replicated on the normal LRU buffer chain; (2) places buffers released from a sequential process in both LRU buffer chains and buffers released from a random process only in the normal LRU buffer chain; and (3) responsive to a request for a buffer for a sequential process, steals the head buffer from the sequential LRU buffer chain, otherwise steals the head buffer from the normal LRU buffer chain. The buffer manager further includes means for conditionally asynchronously prefetching data set pages from the external storage device in response to a request for a data set page which is an integral multiple of a process defined prefetch quantity.

摘要翻译： 装置和有条不紊用于管理由顺序的（16）共享缓冲池（14）和随机过程（18）。 其中A数据库管理器包括缓冲器管理器（20）：（1）保持正常最近最少使用（LRU）链缓冲液和连续LRU缓冲器链，复制在正常LRU是缓冲器链顺序LRU缓冲器链; （2）放置在仅在正常LRU缓冲器链从一个随机过程中释放两种LRU缓冲器链和缓冲器顺序过程释放的缓冲液; 及（3）响应于用于为顺序过程的缓冲器的请求，窃取从时序LRU缓冲器链头部缓冲器，否则窃取从正常LRU缓冲器链头部缓冲器。 缓冲器管理器还包括用于从外部存储装置响应有条件异步地预取的数据集的页面用于数据集合页全部是上的过程中定义的预取量的内部的多个请求。

公开(公告)号：EP0097239A2

公开(公告)日：1984-01-04

申请号：EP83104485.4

申请日：1983-05-06

申请人： International Business Machines Corporation

发明人： Baker, Jerry Wayne ,  Crus, Richard Anthony ,  Haderle, Donald James

IPC分类号： G06F9/44 ,  G06F9/46 ,  G06F15/40

CPC分类号： G06F9/463 ,  G06F11/1474 ,  G06F17/30

摘要： Method and apparatus for assuring atomicity of user requested multi-row update operations to tables such as in a relation database (24), guaranteeing that for any update operation that succeeds all stated effects will have occurred and that for any update operation that fails the system state as perceived by the user remains unchaged. This is accomplished by establishing, in response to a multi-row update operation request, an execution module containing machine language code instructions implementing the update operation request with a savepoint request at the beginning of the execution module. For each set of instruction in or called by the execution module which modified the user perceived system state, undo information is logged to a soft log (20). Upon completing the execution module, the savepoint is dropped, causing all soft log information recorded since the savepoint to be deleted and releasing all resources held to guarantee restoration of the user perceived system state at the time of the savepoint request. Responsive to the detection of an error during execution of the module, the soft logged undo information is used to restore the user perceived state to that existing at the time of the savepoint request.

摘要翻译： 用于确保用户所请求的多行更新操作对诸如关系数据库（24）中的表的原子性的方法和装置，保证对于所有已经发生的所有效果的任何更新操作都将发生，以及对于系统失败的任何更新操作 用户感知到的状态仍然被剥离。 这是通过响应于多行更新操作请求建立一个执行模块，该执行模块包含在执行模块的开始处使用保存点请求来实现更新操作请求的机器语言代码指令。 对于修改用户感知系统状态的执行模块中的每一组指令或调用，将撤消信息记录到软日志（20）。 完成执行模块后，保存点被删除，导致从保存点记录的所有软日志信息被删除，并释放所有保存的资源，以保证在保存点请求时恢复用户感知的系统状态。 响应于在模块执行期间检测到错误，软记录的撤消信息用于将用户感知状态恢复到保存点请求时存在的状态。

公开(公告)号：EP0092021A2

公开(公告)日：1983-10-26

申请号：EP83100800.8

申请日：1983-01-28

申请人： International Business Machines Corporation

发明人： Taylor, Russell Highsmith

IPC分类号： G01B7/00

CPC分类号： G01B7/008 ,  B25J9/026 ,  B25J9/1692 ,  B25J17/0208 ,  G01B7/00 ,  G01B7/31 ,  G01B21/12 ,  G05B19/42 ,  G05B2219/40087 ,  G05B2219/45083 ,  G05B2219/49113 ,  G05B2219/50353 ,  Y10T408/08 ,  Y10T408/175

摘要： A drillhole centerline determining device comprising an interposer (7) having a central pocket enables a robot (5) to probe the interposer to learn the location and orientation of the desired drillhole. The interposer is a mushroom shaped device with a planar head (10) and a stem (9) dimensioned to fit snugly in the hole to be drilled. The interposer, in addition to the planar head from which the perpendicular can be calculated through multiple probes, has a central pocket (11) concentric to the interposer stem.
The method of using the drillhole centerline determining interposer is to place a number of such interposers manually in position in holes in a master part located in the work envelope of the robot. The robot operator prepositions the probe at an initial position facing the pocket of the interposer for a drillhole locating sequence for the related drill hole. In sequence, the robot moves the probe from the initial position sufficient to clear the edge of the pocket and by multiple probes determines the plane of the interposer surface platform. The robot then adjusts the yaw and pitch of the probe to orient the probe orthogonal to the platform plane (a vector parallel to the desired drillhole centerline axis). The robot, with orientation vector stored, now locates the XYZ coordinates of the drillhole by pocket probing actions determining the epicenter of the pocket.
With orientation vector (pitch and yaw) known, and with coordinates (XYZ) known, the drillhole is determined.

公开(公告)号：EP0090145A2

公开(公告)日：1983-10-05

申请号：EP83100912.1

申请日：1983-02-01

申请人： International Business Machines Corporation

发明人： Bjorklund, Gary Carl ,  Burland, Donald Maxwell

IPC分类号： G11B7/00 ,  G03C1/72

CPC分类号： G11B7/0065 ,  G03H1/181 ,  G03H2001/026 ,  G03H2001/0264 ,  G03H2222/34 ,  G03H2260/54 ,  G11B7/26 ,  Y10S359/90

摘要： information is stored by a process involving the steps of (1) sensitizing a recording medium comprising a two-photon, four-level material by exposing said medium to flood illumination with ultra-violet or visible light, and then (2) exposing the sensitized medium simultaneously to two beams of coplanar laser irradiation intersecting within said recording medium to create a microscopic interferende pattern.

公开(公告)号：EP0089472A1

公开(公告)日：1983-09-28

申请号：EP83100911.3

申请日：1983-02-01

申请人： International Business Machines Corporation

发明人： Bjorklund, Gary Carl ,  Hunziker, Heinrich Erwin

IPC分类号： G01J3/28

CPC分类号： G01J3/2889 ,  G11C13/02

摘要： A method for the spectral analysis of short optical pulses (12) uses an optical group velocity dispersive medium (14), for example, a low loss single mode optical fiber, to map the optical spectrum (a) of the pulse into the time domain (c, d). One application of this method is used for obtaining a serial, time domain readout of information stored in a photochemical hole burning memory which utilizes a medium with broad hole widths.

摘要翻译： 用于短光脉冲（12）的光谱分析的方法使用光群速度色散介质（14），例如低损耗单模光纤，将脉冲的光谱（a）映射到时域 （c，d）。 该方法的一个应用是用于获得存储在光化学孔燃烧存储器中的信息的串行时域读出，该存储器利用具有宽孔宽度的介质。

公开(公告)号：EP0082282A1

公开(公告)日：1983-06-29

申请号：EP82110211.8

申请日：1982-11-05

申请人： International Business Machines Corporation

发明人： Jenkins, Michael Owen

IPC分类号： H03F3/217 ,  H03F3/72

CPC分类号： H03F3/217 ,  H03F3/72

摘要： A dual operating mode switching power dnving circuit arrangement comprises an amplifying circuit (18) of conventional form which is operated substantially as a Class A feedback amplifier in a servosystem "following" mode and is switched to operate as a Class D amplifier in the "seeking" mode under program control calling for the latter mode and reswitched to the "following" mode only at the succeeding transition of the Glass D waveform whereby transients are avoided. For operating in Class D mode, the Class A feedback loop is opened and the amplifier circuit is arranged so that the input wave now overdrives the input circuit and drives the output circuit between ± values of the energy potential, whereby the efficiency is very high. A single electronic switching circuit (16) and logical circuitry (40) connected thereto are arranged to deliver selectively a driving control signal from such input terminals to the input circuit of a conventional amplifier for operating it in the Class A linear second order negative feedback loop arrangement and to deliver an overdriving feedback signal from the output terminal of the amplifier, the duty cycle of which responds to load device current passing a sensing device for operating the amplifier in the Class D mode. Preferably, the application of control signals is under program control along with such control over the operation of the load device (20).

摘要翻译： 双工作模式切换电源驱动电路装置包括常规形式的放大电路（18），其基本上以伺服系统“跟随”模式中的A类反馈放大器运行，并被切换为在“寻找”中作为D类放大器工作 “程序控制下的模式调用后一种模式，仅在玻璃D波形的后续转换中重新切换到”跟随“模式，从而避免瞬态。 为了在D类模式下工作，A类反馈环路被打开，并且放大器电路被布置成使得输入波现在过驱动输入电路并且将输出电路驱动在能量电位的+/-值之间，从而效率非常高 高。 连接到其上的单个电子开关电路（16）和逻辑电路（40）被布置成选择性地将来自这些输入端的驱动控制信号传送到常规放大器的输入电路，用于在A类线性二阶负反馈环路 并且从放大器的输出端输出过驱动反馈信号，其占空比响应负载器件电流，通过用于在D类模式下操作放大器的感测装置。 优选地，控制信号的应用在程序控制之下以及对负载装置（20）的操作的这种控制。

公开(公告)号：EP0082236A1

公开(公告)日：1983-06-29

申请号：EP81850252.8

申请日：1981-12-23

申请人： International Business Machines Corporation

发明人： Hallberg, Lars Olof

IPC分类号： G06K9/38

CPC分类号： G06K9/38 ,  G06K2209/01

摘要： A character recognition system comprises a video detector (25) operating with a plurality of threshold signals (V3-V6) in time multiplex mode. Detected video signals are stored in a plurality of storage modules (S3-S6), one for each time multiplex channel. A signal processor (81) recognizes character data from video data representing a first threshold level (V3) and stored in a first storage module (S3) and subsequently recognizes character data from video data representing a second threshold level (V5) and stored in a second storage module (S3).
The system is used in an optical document reader for reading a plural field print line on a document, where the optical characteristics of the various fields are unequal.

公开(公告)号：EP0073324A2

公开(公告)日：1983-03-09

申请号：EP82106258.5

申请日：1982-07-13

申请人： International Business Machines Corporation

发明人： Dodge, John Harold ,  Ernst, Larry Mason

IPC分类号： G03G15/20

CPC分类号： G03G15/205

摘要： During each copier warm-up period, a micro processor 40, D/A 41 and network 53 apply a signal of decreasing steps to a comparator 52, which also receives an input from a fuser temperature sensor 50. When the sensor signal exceeds the step signal, the control logic for the copier is enabled since the fuser temperature profile is set at an adequate level for proper fusing.

摘要翻译： 在每个复印机预热期间，微处理器40，D / A 41和网络53将降低步数的信号施加到比较器52，比较器52还接收来自定影温度传感器50的输入。当传感器信号超过步骤 信号时，启用复印机的控制逻辑，因为定影器温度曲线设置在足够的水平以进行适当的定影。

公开(公告)号：EP0072927A2

公开(公告)日：1983-03-02

申请号：EP82106646.1

申请日：1982-07-23

申请人： International Business Machines Corporation

发明人： Prame, Eric Sune

IPC分类号： G06F12/04

CPC分类号： G06F12/04

摘要： An address word (N) for addressing a memory (2) comprises an exponent field (P) that defines on one hand the length of a memory field whereto access is obtained, on the other a number by which a second field (M) in the address word is modified, the memory being addressed by the modifying second field.
A memory control unit (5) comprises an address shift register (26) for storing the second field (M) of the address word and an exponent register (26) for storing the exponent field (P). The exponent register controls on one hand the shifting of the address shift register contents, on the other the successive updating of the address being read from the address shift register into a memory address register (61).

公开(公告)号：EP0021096B1

公开(公告)日：1982-08-04

申请号：EP80102986.9

申请日：1980-05-29

申请人： International Business Machines Corporation

发明人： Pennington, Keith Samuel ,  Schlig, Eugene Stewart ,  White, James Merrill

IPC分类号： H04N1/46

CPC分类号： H04N1/486