公开(公告)号：US4656585A

公开(公告)日：1987-04-07

申请号：US576538

申请日：1984-02-03

Applicant: Edward A. Stephenson

Inventor： Edward A. Stephenson

IPC: G01C21/00 ,  G01D9/00 ,  G06F3/05 ,  G06F17/00 ,  G06F17/40 ,  G06F15/20

CPC classification number: G01D9/005 ,  G07C5/085

Abstract: A data acquisition system for use in an aircraft flight data recorder receives multiple analog and discrete signals representative of various aircraft parameters. A single address command from the flight data recorder central processing unit (CPU) causes a first multiplexer to select a set of analog signals. Each selected analog signal is amplified by a gain factor under CPU control and passed to track-and-hold circuitry which holds a level of the amplified analog signal upon receipt of a suitable command. The held analog signal levels are passed to a second multiplexer which also receives a set of discrete signals selected by a third multiplexer in response to a CPU address command. A control sequencer sequentially passes each signal at the input of the second multiplexer through an analog-to-digital converter, with the resultant digital signal being loaded into memory. After either all the selected and processed analog signals or the selected discrete signals have been analog-to-digital converted and stored in memory, the control sequencer issues an interrupt signal to the CPU.

Abstract translation: 用于飞行器飞行数据记录器的数据采集系统接收代表各种飞机参数的多个模拟和离散信号。 来自飞行数据记录器中央处理单元（CPU）的单个地址命令使得第一多路复用器选择一组模拟信号。 每个选择的模拟信号在CPU控制下被增益因子放大，并被传送到跟踪和保持电路，该电路在接收到合适的命令时保持放大的模拟信号的电平。 保持的模拟信号电平被传递到第二多路复用器，该第二多路复用器还响应于CPU地址命令接收由第三多路复用器选择的一组离散信号。 控制顺控程序通过模数转换器顺序地通过第二多路复用器的输入端的每个信号，将所得的数字信号加载到存储器中。 在所有选定和处理的模拟信号或所选择的离散信号都经过模数转换并存储在存储器中之后，控制定序器向CPU发出一个中断信号。

公开(公告)号：US4653022A

公开(公告)日：1987-03-24

申请号：US653022

申请日：1984-09-21

Applicant: Tsuneo Koro

Inventor： Tsuneo Koro

IPC: A61B5/0404 ,  A61B5/0432 ,  G06F17/00 ,  G06F3/05 ,  A61B5/04

CPC classification number: A61B5/04325

Abstract: A portable electrocardiogram storing apparatus has an electrocardiogram amplifier, an A/D converter for sampling the amplifier output and converting it into a digital signal, a patient actuatable switch, a plurality of electrocardiogram memories, and means for selecting one of the memories for storing the digital signal when the switch is actuated. A time memory is also provided for storing a time when the apparatus is set, and a timer measures a lapse time after the setting. A selected electrocardiogram memory also stores the content of the timer at the time a respective digital signal is stored therein.

Abstract translation: 一种便携式心电图存储装置具有心电图放大器，用于对放大器输出进行采样并将其转换为数字信号的A / D转换器，患者致动开关，多个心电图存储器，以及用于选择存储器 当开关被启动时的数字信号。 还提供了一个时间存储器，用于存储设备设置的时间，并且定时器测量设置之后的经过时间。 选择的心电图存储器还存储在其中存储相应的数字信号时的定时器的内容。

公开(公告)号：US4630207A

公开(公告)日：1986-12-16

申请号：US587524

申请日：1984-03-08

Applicant: Shirou Baba

Inventor： Shirou Baba

IPC: G05B15/02 ,  G06F3/05 ,  G06F15/78 ,  G05B11/01 ,  G06F15/00

CPC classification number: G06F15/7832 ,  G06F3/05

Abstract: Herein disclosed is a digital semiconductor integrated circuit which is equipped with: a digital signal input circuit; an analog signal input circuit made receptive of an analog signal for feeding out a digital signal corresponding to said analog signal; and a common external terminal connected commonly with the input terminals of said digital signal input circuit and said analog signal input circuit. By the operation with the use of a suitable switch circuit, the aforementioned common external terminal can be used as either an analog signal input terminal or a digital signal input terminal. As a result, the number of the external output terminals required for the aforementioned semiconductor integrated circuit can be reduced.

Abstract translation: 这里公开了一种数字半导体集成电路，其配备有：数字信号输入电路; 模拟信号输入电路，其接收用于输出与所述模拟信号对应的数字信号的模拟信号; 以及与所述数字信号输入电路和所述模拟信号输入电路的输入端子共同连接的公共外部端子。 通过使用合适的开关电路的操作，上述公共外部端子可以用作模拟信号输入端子或数字信号输入端子。 结果，可以减少上述半导体集成电路所需的外部输出端子的数量。

公开(公告)号：US4593271A

公开(公告)日：1986-06-03

申请号：US691947

申请日：1985-01-16

Applicant: James C. Candy

Inventor： James C. Candy

IPC: H03M1/68 ,  G06F3/05 ,  H03M1/00 ,  H03M1/08 ,  H03M1/66 ,  H03M3/04 ,  G06F7/38

CPC classification number: H03M1/661

Abstract: Digital signals are processed by a first accumulator to generate most significant bits which represent the signal to be converted but with truncation noise. The error signals from the first accumulator are processed by a second accumulator to generate a second set of most significant bits which are used to remove the truncation noise. The most significant bits from the second accumulator are converted to analog form, differentiated and then combined with the most significant bits from the first accumulator after being converted from digital to analog form. The combined signal is then amplified and filtered.

Abstract translation: 数字信号由第一累加器处理以产生表示要转换的信号但具有截断噪声的最高有效位。 来自第一累加器的误差信号由第二累加器处理以产生用于去除截断噪声的第二组最高有效位。 来自第二个累加器的最高有效位被转换成模拟形式，在从数字模式转换为模拟形式之后，将其与来自第一个累加器的最高有效位组合。 然后将组合的信号进行放大和滤波。

公开(公告)号：US4591871A

公开(公告)日：1986-05-27

申请号：US656865

申请日：1984-10-02

Applicant: Kazufumi Ohta

Inventor： Kazufumi Ohta

IPC: G01D9/32 ,  G01D9/28 ,  G01D9/30 ,  G01R13/08 ,  G06F3/05 ,  G06F3/13

CPC classification number: G01D9/30 ,  G01D9/28 ,  G01R13/08 ,  G06F3/05 ,  G06F3/13

Abstract: A recorder including an A/D converter for converting analog measured input signals into digital input sampling data for a predetermined sampling period, for processing the converted data by a microprocessor, and for subsequently driving a recording head to make a recording on a recording paper. A paper end detecting sensor is carried on the head, and the microprocessor is caused to compute a recording position signal according to the measured input signals on the basis of the sampling data; to correct the recording position signal on the basis of both a reference width for the recording paper and the paper width, which is measured as a result of detecting the 0% and 100% ends of the recording paper by the sensor, thereby to produce a recording position correcting signal according to the extension or contraction of the recording paper; to control the position of the recording head in accordance with the recording position correcting signal; and to make a recording on the recording paper by the recording head.

Abstract translation: 一种包括A / D转换器的记录器，用于将模拟测量输入信号转换成预定采样周期的数字输入采样数据，用于通过微处理器处理转换的数据，并随后驱动记录头在记录纸上进行记录。 纸头端检测传感器承载在头上，微处理器根据采样数据根据测量的输入信号计算记录位置信号; 基于由记录纸的参考宽度和纸张宽度两者来校正记录位置信号，其作为通过传感器检测记录纸的0％和100％的端部而测量，从而产生 记录位置校正信号根据记录纸的延伸或收缩; 根据记录位置校正信号控制记录头的位置; 并通过记录头在记录纸上进行记录。

公开(公告)号：US4527148A

公开(公告)日：1985-07-02

申请号：US437303

申请日：1982-10-28

Applicant: Shigeo Kuboki ,  Kazuo Kato ,  Nobuaki Miyakawa

Inventor： Shigeo Kuboki ,  Kazuo Kato ,  Nobuaki Miyakawa

IPC: H03M1/18 ,  G06F3/05 ,  H03M1/00 ,  H03K13/02 ,  H03K13/03

CPC classification number: H03M1/183 ,  H03M1/1215 ,  H03M1/46 ,  H03M1/76

Abstract: An A/D converter used with an A/D conversion system in which each of input analog signals applied thereto is amplified at a gain selected depending or the level of said each signal and subjected to A/D conversion. The A/D converter is arranged to select a desired one of predetermined gain select modes concerned with the selection of gain of the amplifier. Further, the A/D converter produces a reference analog signal of a level corresponding to the selected gain select mode and compares the input analog signal with the reference analog signal, thereby determining whether or not the gain of the amplifier is to be changed.

Abstract translation: A / D转换器与A / D转换系统一起使用，其中施加到其中的每个输入模拟信号以所选择的增益或所述每个信号的电平进行放大，并进行A / D转换。 A / D转换器被配置为选择与放大器的增益选择有关的所需预定增益选择模式。 此外，A / D转换器产生与所选择的增益选择模式相对应的电平的参考模拟信号，并将输入的模拟信号与参考模拟信号进行比较，从而确定放大器的增益是否被改变。

公开(公告)号：US4222105A

公开(公告)日：1980-09-09

申请号：US889403

申请日：1978-03-23

Applicant: Katsuichi Shimizu ,  Hisashi Sakamaki

Inventor： Katsuichi Shimizu ,  Hisashi Sakamaki

IPC: H03M1/12 ,  G06F3/05 ,  G06F9/30 ,  G06F15/78 ,  G06F17/40 ,  G11C27/02 ,  G06F15/20 ,  G03G15/00

CPC classification number: G11C27/024

Abstract: Recording apparatus includes a plurality of analog signal generating circuits for generating various analog signals in response to which a control circuit of the recording apparatus controls various operations of the apparatus, and a plurality of switching circuits connected to the respective analog signal generating circuits in such a way that only one analog signal is transmitted at one time to a common analog-digital converter which coverts the received analog signal into a corresponding digital signal which in turn is transmitted to the control circuit.

Abstract translation: 记录装置包括多个模拟信号发生电路，用于产生各种模拟信号，响应于该记录装置的控制电路控制装置的各种操作，以及多个开关电路，连接到各模拟信号发生电路 一次仅将一个模拟信号一次发送到公共模拟数字转换器，该公共模数转换器将所接收的模拟信号覆盖成相应的数字信号，数字信号又传送到控制电路。

公开(公告)号：US4202040A

公开(公告)日：1980-05-06

申请号：US680551

申请日：1976-04-27

Applicant: Eddie L. Whitworth ,  Ronald G. Russell

Inventor： Eddie L. Whitworth ,  Ronald G. Russell

IPC: G06F17/40 ,  G06F3/05 ,  G06F5/02

CPC classification number: G06F5/06

Abstract: A data processing system for receiving sampled analog data and automatica converting, processing, compacting, expanding and storing the data in digital format and also displaying the data in alphanumeric format. The analog data signal may be from a temperature probe, for example, that is launched from a ship and transmits sampled temperature data as it free-falls in the ocean. The system has the capability of providing all of the general information, data and control signals, all in proper digital format, for permanent storage or for operating a teletype machine in total run real time to provide a real time output chart. The system includes compaction and expansion capabilities so that data that is being sampled at a rate that is faster than the readout rate of the teletype machine may be internally compacted and then expanded into the teletype machine when the data sampling rate is slower than the readout rate of the teletype machine. For radio teletype transmission communication a punched paper tape may be provided to eliminate the need for the teletype operator to cut the message. The system also provides a technique for converting one binary format into another binary format.

Abstract translation: 一种数据处理系统，用于接收采样的模拟数据，并以数字格式自动转换，处理，压缩，扩展和存储数据，并以数字格式显示数据。 模拟数据信号可以来自例如从船舶发射的温度探测器，并且随着其在海洋中自由落体而发送采样的温度数据。 该系统具有提供所有一般信息，数据和控制信号，全部以适当的数字格式提供永久存储或实时运行电传机，以提供实时输出图表。 该系统包括压缩和扩展能力，使得以比电传机器的读出速率更快的速率进行采样的数据可以在内部压缩，然后在数据采样速率低于读出速率时扩展到电传机器 的电传机。 对于无线电传输通信，可以提供穿孔纸带以消除电传操作员切断消息的需要。 该系统还提供了将一种二进制格式转换为另一种二进制格式的技术。

公开(公告)号：US4190823A

公开(公告)日：1980-02-26

申请号：US868448

申请日：1978-01-10

Applicant: Claude Leichle

Inventor： Claude Leichle

IPC: H03M1/60 ,  F02D41/24 ,  F02P5/15 ,  G06F3/05 ,  G06F19/00 ,  G06J1/00 ,  H03M1/00 ,  H03K13/20 ,  G06F15/20

CPC classification number: F02D41/28 ,  H03M1/1225

Abstract: An improved interface circuit for use between variable voltage analog sensors which are measuring physical parameters and a microprocessor which is processing the data relating to such parameters. The interface unit is of the type employing an analog multiplexer, an analog to digital converter, a voltage to frequency converter, a counter for converting frequency to digital data, and a bus adapter for connection to the microprocessor. The inventive improvement relates to providing the multiplexer as a differential multiplexer having two differential voltage outputs and having a sign detector connected thereto. A switching block is connected between the differential voltage outputs and the voltage to frequency converter and also to the sign detector thereby acting as a selector circuit. The selector circuit passes each voltage output signal of the multiplexer which has a constant sign to the voltage to frequency converter, wherein the counter is an up/down counter whose counting input is connected to the sign detector output.

Abstract translation: 改进的接口电路，用于测量物理参数的可变电压模拟传感器和正在处理与这些参数有关的数据的微处理器。 接口单元是采用模拟多路复用器，模数转换器，电压 - 频率转换器，用于将频率转换为数字数据的计数器以及用于连接到微处理器的总线适配器的类型。 本发明的改进涉及提供多路复用器作为具有两个差分电压输出并具有连接到其上的符号检测器的差分多路复用器。 开关块连接在差分电压输出与电压/频率转换器之间，并且连接到符号检测器，从而用作选择器电路。 选择器电路将具有恒定符号的多路复用器的每个电压输出信号传送到电压 - 频率转换器，其中计数器是其计数输入连接到符号检测器输出的上/下计数器。

公开(公告)号：US4184205A

公开(公告)日：1980-01-15

申请号：US854939

申请日：1977-11-25

Applicant: Robert S. Morrow

Inventor： Robert S. Morrow

IPC: G06F3/05 ,  G06F11/30 ,  G06F17/00 ,  G06F17/40 ,  G06F19/00 ,  G07C3/00 ,  G07C3/08 ,  G08B21/00 ,  G08C15/06 ,  G08C25/00 ,  G06F15/34

CPC classification number: G07C3/00

Abstract: A data acquisition system utilizing a microcomputer and incorporating a plurality of monitors each adapted to produce an electrical signal indicative of a physical condition of apparatus to be monitored. The electrical signals are fed via multiplexing equipment and analog-to-digital converters into the microcomputer which is equipped with print-out means. The system is such that the level of any one or all of the signals from the respective monitors can be printed out as well as a change in the condition of any signal. Means are incorporated into the computer for calculating and printing the trend (i.e., the slope of a plot of signal amplitude versus time) of a succession of stored signals from any monitor which would indicate a probable malfunction of a device being monitored and the probable time to failure. In the case where the signals from the monitors comprise vibration signals, the system performs an automatic frequency spectrum analysis whenever a probable or actual malfunction is detected.

Abstract translation: 一种利用微型计算机并结合多个监视器的数据采集系统，每个监视器适于产生指示要监视的装置的物理状况的电信号。 电信号通过复用设备和模拟 - 数字转换器馈送到配有打印输出装置的微型计算机中。 该系统使得可以打印来自各个监视器的任何一个或所有信号的电平以及任何信号的状况的改变。 将计算机并入计算机中以计算和打印来自任何监视器的一系列存储信号的趋势（即，信号幅度对时间曲线的斜率），其将指示被监视的设备的可能的故障和可能的时间 失败。 在来自监视器的信号包括振动信号的情况下，每当检测到可能或实际的故障时，系统执行自动频谱分析。