JPH0378946U - - Google Patents
Info
- Publication number
- JPH0378946U JPH0378946U JP14036889U JP14036889U JPH0378946U JP H0378946 U JPH0378946 U JP H0378946U JP 14036889 U JP14036889 U JP 14036889U JP 14036889 U JP14036889 U JP 14036889U JP H0378946 U JPH0378946 U JP H0378946U
- Authority
- JP
- Japan
- Prior art keywords
- data
- registers
- timing signal
- judgment
- circuit
- 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
- 230000007423 decrease Effects 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
Description
第１図はこの考案に係る入力フイルタの一実施
例を示すブロツク構成図、第２図は第１図及び第
３図の動作を説明するための各部における波形の
タイムチヤート、第３図は従来の入力フイルタの
一例を示すブロツク構成図である。
３，４，５，６……レジスタ、７……カウンタ
、８……移動平均回路、１０，１１，１２，１３
，１４……データ比較器、１５……判断回路。
Fig. 1 is a block configuration diagram showing one embodiment of the input filter according to this invention, Fig. 2 is a time chart of waveforms at various parts to explain the operation of Figs. 1 and 3, and Fig. 3 is a conventional filter. FIG. 2 is a block configuration diagram showing an example of an input filter of FIG. 3, 4, 5, 6...Register, 7...Counter, 8...Moving average circuit, 10, 11, 12, 13
, 14...data comparator, 15...judgment circuit.
Claims (1)
ンタ７と、上記タイミング信号に基づいて順次デ
ータをラツチする複数のレジスタ３，４，５，６
と、これらカウンタおよび複数のレジスタの相互
に隣合うデータを比較するデータ比較器１０，１
１，１２，１３，１４と、このデータ比較器から
の比較結果に基づいてデータが増加および減少傾
向にあるかまたは安定状態にあるかを判断する判
断回路１５と、この判断回路よりの判断出力に基
づいてフイルタを大きくするかまたは小さくする
移動平均回路８とを備えた入力フイルタ。 A counter 7 that measures the period based on a timing signal, and a plurality of registers 3, 4, 5, 6 that sequentially latches data based on the timing signal.
and data comparators 10 and 1 that compare mutually adjacent data of these counters and a plurality of registers.
1, 12, 13, and 14, a judgment circuit 15 that judges whether the data is increasing or decreasing or in a stable state based on the comparison result from the data comparator, and a judgment output from this judgment circuit. and a moving average circuit 8 that increases or decreases the filter based on the input filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14036889U JPH0378946U (en) | 1989-12-04 | 1989-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14036889U JPH0378946U (en) | 1989-12-04 | 1989-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0378946U true JPH0378946U (en) | 1991-08-12 |
Family
ID=31687348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14036889U Pending JPH0378946U (en) | 1989-12-04 | 1989-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0378946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5448166U (en) * | 1977-09-08 | 1979-04-03 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189071A (en) * | 1981-05-18 | 1982-11-20 | Mazda Motor Corp | Display driver for digital speedometer |
-
1989
- 1989-12-04 JP JP14036889U patent/JPH0378946U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189071A (en) * | 1981-05-18 | 1982-11-20 | Mazda Motor Corp | Display driver for digital speedometer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5448166U (en) * | 1977-09-08 | 1979-04-03 |
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