公开(公告)号：US3679986A

公开(公告)日：1972-07-25

申请号：US3679986D

申请日：1970-09-04

Applicant: IBM

Inventor： ZAMAN LOUIS F

IPC: H03G3/30

CPC classification number: H03G3/30 ,  H03G3/3015

Abstract: A non-linear feedback gain control and peak detector system in which the output of an amplifier is compared with a reference voltage, and the error or difference therebetween is stored in a hold circuit which in turn controls the gain of the amplifier. Peak detection is accomplished by providing an output from the feedback control circuit, which provides a signal when the first voltage peak reaches its maximum value.

Abstract translation: 一种非线性反馈增益控制和峰值检测器系统，其中放大器的输出与参考电压进行比较，并且其间的误差或差值被存储在保持电路中，保持电路又控制放大器的增益。 通过提供来自反馈控制电路的输出来实现峰值检测，该反馈控制电路当第一电压峰值达到其最大值时提供信号。

公开(公告)号：US3645392A

公开(公告)日：1972-02-29

申请号：US3645392D

申请日：1970-08-26

Applicant: IBM

Inventor： CHITTENDEN RUDY M ,  DESKEVICH STEPHEN ,  PLUMMER NORMAN R ,  ROHRER GENE D ,  ZAMAN LOUIS F

IPC: G06F7/06 ,  G06K9/00 ,  B07C3/10

CPC classification number: G06F7/06 ,  G06K9/186 ,  G06K9/26 ,  G06K9/64 ,  G06K9/78

Abstract: A magnetic ink character reader/sorter having improved means for processing the character signals, storing the pocket selection control signals derived therefrom, and checking the overall operation of the machine. The documents are read by an improved single-gap recognition system, and the sorting information derived therefrom is supplied to a plurality of buffers in accordance with control signals derived from the motion of a document transport.

Abstract translation: 一种具有改进的用于处理字符信号的装置的磁性墨水字符读取器/分类器，存储从其导出的口袋选择控制信号，以及检查机器的整体操作。 通过改进的单间隙识别系统读取文档，并且根据从文档传送的运动导出的控制信号将从其导出的排序信息提供给多个缓冲器。

公开(公告)号：US3609397A

公开(公告)日：1971-09-28

申请号：US3609397D

申请日：1969-12-29

Applicant: IBM

Inventor： ZAMAN LOUIS F

IPC: G01R19/00 ,  G01R19/30 ,  H03K5/20

CPC classification number: G01R19/0038 ,  G01R19/30

Abstract: A system for identifying and selecting the maximum or minimum value of a single signal or a subset of signals from among a larger set of signals. The system includes an amplifier for each subset of signals. The outputs of the amplifiers are connected in common. Feedback loops from the common output to an input cause all amplifiers, except the one with the largest input signal, to operate in the nonlinear region. Each amplifier is monitored to determine whether or not it is operating linearly.