JPS54137365A - Memory device of analog quantity - Google Patents
Memory device of analog quantityInfo
- Publication number
- JPS54137365A JPS54137365A JP4477178A JP4477178A JPS54137365A JP S54137365 A JPS54137365 A JP S54137365A JP 4477178 A JP4477178 A JP 4477178A JP 4477178 A JP4477178 A JP 4477178A JP S54137365 A JPS54137365 A JP S54137365A
- Authority
- JP
- Japan
- Prior art keywords
- memory
- counter
- stepwise
- digital
- stored
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Recording Measured Values (AREA)
Abstract
PURPOSE: To make the storate and reproduction possible always with a preset resolution and to spare the storage capacity while improving the accuracy by accomplishing the stepwise addressing operation of the memory for a preset variation in the analog quantity in a frequency analyzer.
CONSTITUTION: An input analog quantity is fed through a comparator 18, a gate 9, a U/D counter 10, a gate 12 and a D/A converter 15 so that digital signals are generated from the counter 10 by the loop of the foregoing elements. The output thus obtained is temporarily stored in an FF 17, and the stored quantity and the varying digital output are compared at 19 for each unit quantity. When a difference is established, a lead write memory 29 is supplied with write instructions, whereas a counter 30 is supplied with the clocks for the stepwise addressing operation. As a result, the memory 29 is stored with both the digital quantity at any timing and the digital quantity indicative of the time period to the subsequent change so that the stepwise advance of the memory 29 is not effected for a preset period.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4477178A JPS54137365A (en) | 1978-04-18 | 1978-04-18 | Memory device of analog quantity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4477178A JPS54137365A (en) | 1978-04-18 | 1978-04-18 | Memory device of analog quantity |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54137365A true JPS54137365A (en) | 1979-10-25 |
JPS6323487B2 JPS6323487B2 (en) | 1988-05-17 |
Family
ID=12700672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4477178A Granted JPS54137365A (en) | 1978-04-18 | 1978-04-18 | Memory device of analog quantity |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54137365A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57133334A (en) * | 1981-02-12 | 1982-08-18 | Toshiba Corp | Monitoring device for twist of shaft |
JPS5967418A (en) * | 1982-10-12 | 1984-04-17 | Hioki Denki Kk | Waveform recording device |
JPS5967417A (en) * | 1982-10-12 | 1984-04-17 | Hioki Denki Kk | Waveform recording device |
JPS6168514A (en) * | 1984-09-13 | 1986-04-08 | Yoshida Seiki Kk | Environmental condition measuring apparatus |
-
1978
- 1978-04-18 JP JP4477178A patent/JPS54137365A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57133334A (en) * | 1981-02-12 | 1982-08-18 | Toshiba Corp | Monitoring device for twist of shaft |
JPS5967418A (en) * | 1982-10-12 | 1984-04-17 | Hioki Denki Kk | Waveform recording device |
JPS5967417A (en) * | 1982-10-12 | 1984-04-17 | Hioki Denki Kk | Waveform recording device |
JPS6168514A (en) * | 1984-09-13 | 1986-04-08 | Yoshida Seiki Kk | Environmental condition measuring apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS6323487B2 (en) | 1988-05-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES489138A1 (en) | Control loop | |
JPS54137365A (en) | Memory device of analog quantity | |
JPS55117719A (en) | Magnetic recorder | |
JPS5497404A (en) | Buffer memory device | |
JPS5339033A (en) | Logic tracer | |
JPS5298418A (en) | 2-value signal converter apparatus for analogue picture signal | |
JPS56157576A (en) | Signal procession device | |
JPS55114034A (en) | Digital-to-analog converter | |
JPS5378725A (en) | Process circuit for color video signal | |
JPS52102773A (en) | Digital rate meter | |
JPS5383543A (en) | Microprogram control unit | |
JPS55158746A (en) | A/d d/a converter for pcm transmitter | |
JPS5312366A (en) | Peack holding apparatus | |
JPS5458121A (en) | Automobile controller | |
JPS54128644A (en) | Clock selection circuit | |
JPS5544972A (en) | Measuring range changing method and device for pen recorder | |
JPS5265838A (en) | Automatic compensator | |
JPS5671889A (en) | Signal recording device | |
FR2233759A1 (en) | Digital/analogue converter - input digital signals control integrator and transfer of contents to analogue memory units | |
JPS5378724A (en) | Video signal recording/reproducing device | |
JPS56103967A (en) | Phase control system by computer | |
JPS5629818A (en) | Signal recording and reproducting device of pcm system | |
JPS52119208A (en) | Digital magnetic recorder/reproducer | |
JPS5384705A (en) | Signal reproducing system | |
JPS5427480A (en) | Electrostatic capacity loss measuring cricuit |