公开(公告)号：US3789312A

公开(公告)日：1974-01-29

申请号：US3789312D

申请日：1972-04-03

Applicant: IBM

Inventor： HELLER L ,  VOGEL N

IPC: H03F3/185 ,  G11C7/06 ,  H03K5/02 ,  H03K19/096 ,  H03F3/16

CPC classification number: G11C7/067 ,  H03K19/096

Abstract: Low level pulses in the order of 100 millivolts or less can be detected and amplified regardless of variations in the voltage required to turn on the active device used in the amplifier. This is achieved by coupling an active device between a capacitor and a capacitively loaded output line, charging the output line to a reference voltage, applying a level setting voltage to the device to turn on the device; charging the capacitor to a voltage substantially equivalent to the level setting voltage to turn off the device while maintaining it such that any input signal superimposed on the level setting voltage will cause the device to again turn on and discharge the capacitively loaded output line thereby amplifying and inverting the superimposed input signal. The invention is particularly useful for sensing random access integrated semiconductor memories. The invention may be employed in either bipolar or field effect transistor technologies.

Abstract translation: 无论打开放大器中使用的有源器件所需的电压变化如何，都可以检测和放大大小为100毫伏的低电平脉冲。 这通过将有源器件耦合在电容器和电容负载输出线之间来实现，将输出线充电到参考电压，向器件施加电平设置电压以接通器件; 将电容器充电到基本上等于电平设定电压的电压以关闭器件，同时保持它，使得叠加在电平设置电压上的任何输入信号将使器件再次导通并放电电容负载的输出线，从而放大和 反转叠加的输入信号。

公开(公告)号：US3798610A

公开(公告)日：1974-03-19

申请号：US3798610D

申请日：1972-12-20

Applicant: IBM

Inventor： BLISS B ,  DERVAN J ,  GRIFFITH L ,  VOGEL N ,  PUNG B ,  THORPE R

IPC: G06F3/147 ,  G06F3/023 ,  G06F3/048 ,  G06F3/153 ,  G09G5/40 ,  G09G5/42 ,  G06F3/04 ,  G06F3/14 ,  H04L5/00

CPC classification number: G06F3/153 ,  G06F3/04892 ,  G09G5/40 ,  G09G5/42

Abstract: Time multiplexed signal communications between a host computer and subordinate data processing terminals include coded and noncoded information. Coded information originated by the host includes entry-separation marker signals. Individual marker signals are used at terminals to control access to associated particular time spaces of the multiplex frame. The host signals are serially stored by addressed terminals in the time sequence of transmission. The stored marker signals are protected from modification at terminals and control write-in access to storage spaced allocated to the associated time segments; thereby controlling terminal editing operations. Edited information in unprotected terminal storage spaces is easily segregated -- e.g., for compact transmission to the host -- by reference to the stored marker signals. When the non-coded signals comprise raster scanned picture information displayable at terminal display apparatus the markers are used to generate cursors indicating edit-accessible positions (e.g., character entry spaces). A distinct displaced cursor provides unique indication of the space next accessible for entry in a normal keying (i.e., typing) sequence.

Abstract translation: 主计算机与下属数据处理终端之间的时间复用信号通信包括编码和非编码信息。 由主机发起的编码信息包括入口分离标记信号。 在终端处使用单个标记信号来控制对多路复用帧的相关特定时间空间的访问。 主机信号按发送时间顺序由寻址终端串行存储。 存储的标记信号被保护以免在终端处的修改，并且控制对分配给相关联的时间段的间隔的写入访问; 从而控制终端编辑操作。 未保护的终端存储空间中的编辑信息容易地被分离 - 例如，通过参考所存储的标记信号来简单地传输到主机。 当非编码信号包括可在终端显示装置处显示的光栅扫描图像信息时，标记用于产生指示编辑可访问位置（例如，字符输入空格）的光标。 不同的移位光标提供了下一个可访问的空间的唯一指示，以便在正常密钥（即打字）序列中输入。