JPH0344933U - - Google Patents
Info
- Publication number
- JPH0344933U JPH0344933U JP10572289U JP10572289U JPH0344933U JP H0344933 U JPH0344933 U JP H0344933U JP 10572289 U JP10572289 U JP 10572289U JP 10572289 U JP10572289 U JP 10572289U JP H0344933 U JPH0344933 U JP H0344933U
- Authority
- JP
- Japan
- Prior art keywords
- period
- digital signal
- detects
- section
- detection section
- 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.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第１図はこの考案の一実施例によるアナログ信
号の周波数変換装置を示すブロツク図、第２図は
この考案の他の実施例によるアナログ信号の周波
数変換装置を示すブロツク図、第３図は従来の符
号化装置を示すブロツク図である。
１……Ａ／Ｄ変換部、２……周期検出部、４ａ
，４ｂ，４ｃ……メモリ、５，６……アドレスカ
ウンタ。なお、図中、同一符号は同一、又は相当
部分を示す。
FIG. 1 is a block diagram showing an analog signal frequency converter according to one embodiment of this invention, FIG. 2 is a block diagram showing an analog signal frequency converter according to another embodiment of this invention, and FIG. 3 is a conventional one. 1 is a block diagram showing an encoding device of FIG. 1...A/D conversion section, 2...Period detection section, 4a
, 4b, 4c...memory, 5, 6...address counter. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
イジタル信号に変換するＡ／Ｄ変換部と、上記Ａ
／Ｄ変換部から得られるデイジタル信号の周期を
検出する周期検出部と、上記Ａ／Ｄ変換部から得
られるデイジタル信号を上記周期検出部で検出さ
れた周期毎に上記所定のサンプリング周波数の速
度で書込むと共に上記速度より遅い速度で読出す
メモリとを備えたアナログ信号の周波数変換装置
。 an A/D converter that converts an analog signal into a digital signal at a predetermined sampling frequency;
a period detection section that detects the period of the digital signal obtained from the A/D conversion section; and a period detection section that detects the period of the digital signal obtained from the A/D conversion section; A frequency conversion device for analog signals, comprising a memory for writing and reading at a speed slower than the above speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10572289U JPH0344933U (en) | 1989-09-08 | 1989-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10572289U JPH0344933U (en) | 1989-09-08 | 1989-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0344933U true JPH0344933U (en) | 1991-04-25 |
Family
ID=31654482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10572289U Pending JPH0344933U (en) | 1989-09-08 | 1989-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344933U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002237751A (en) * | 2001-02-13 | 2002-08-23 | Hioki Ee Corp | Sampling device and sampling method and ac impedance measuring device and its method |
| JP2006152583A (en) * | 2004-11-26 | 2006-06-15 | Nikko Co Ltd | Shovel scoop |
-
1989
- 1989-09-08 JP JP10572289U patent/JPH0344933U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002237751A (en) * | 2001-02-13 | 2002-08-23 | Hioki Ee Corp | Sampling device and sampling method and ac impedance measuring device and its method |
| JP4620265B2 (en) * | 2001-02-13 | 2011-01-26 | 日置電機株式会社 | Sampling device, sampling method, AC impedance measuring device, and AC impedance measuring method |
| JP2006152583A (en) * | 2004-11-26 | 2006-06-15 | Nikko Co Ltd | Shovel scoop |
| JP4573633B2 (en) * | 2004-11-26 | 2010-11-04 | 日工株式会社 | Shovel scoop |