JPH0249772U - - Google Patents
Info
- Publication number
- JPH0249772U JPH0249772U JP12742288U JP12742288U JPH0249772U JP H0249772 U JPH0249772 U JP H0249772U JP 12742288 U JP12742288 U JP 12742288U JP 12742288 U JP12742288 U JP 12742288U JP H0249772 U JPH0249772 U JP H0249772U
- Authority
- JP
- Japan
- Prior art keywords
- memory
- detection means
- diagnostic circuit
- collision detection
- volatile memory
- 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
- 230000015654 memory Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
Landscapes
- Air Bags (AREA)
- Debugging And Monitoring (AREA)
Description
第１図はこの考案の一実施例によるエアバツク
システムを示す回路図、第２図は揮発性メモリお
よび不揮発性メモリの各構造を示すメモリマツプ
図、第３図は故障のメモリマツプへの記憶手順を
示すフローチヤート、第４図および第５図は初め
て発生した故障および続いて別に発生した故障を
、それぞれ２種類のメモリマツプに書き替える順
序を示す説明図、第６図は従来のエアバツクシス
テムを示す回路図である。
１……車載バツテリ、２……イグニツシヨンス
イツチ、１０……診断回路、１２……不揮発性メ
モリ（メモリ）、１４〜１９……衝突検出手段、
２０……作動制御部（スクイーブ）、２３……報
知部、２４……揮発性メモリ（メモリ）。
Figure 1 is a circuit diagram showing an airbag system according to an embodiment of this invention, Figure 2 is a memory map diagram showing the structures of volatile memory and non-volatile memory, and Figure 3 is a procedure for storing faults in the memory map. Figures 4 and 5 are explanatory diagrams showing the order in which the first failure and subsequent failures are rewritten into two types of memory maps, respectively. Figure 6 shows a conventional air bag system. It is a circuit diagram. DESCRIPTION OF SYMBOLS 1... Vehicle battery, 2... Ignition switch, 10... Diagnostic circuit, 12... Non-volatile memory (memory), 14-19... Collision detection means,
20... Operation control section (squeve), 23... Notification section, 24... Volatile memory (memory).
Claims (1)
ツチ２を介して接続された複数個の衝突検出手段
１４〜１９と、該衝突検出手段からの検出出力に
基づいてエアバツクを展開せしめる作動制御部２
０と、該作動制御部又は上記衝突検出手段の少な
くとも一方の故障をチエツクする診断回路１０と
、該診断回路によつて検出された故障を報知する
報知部２３と、上記診断回路によつて検出された
故障を記憶すメモリとを備えたエアバツクシステ
ムにおいて、上記メモリが揮発性メモリと不揮発
性メモリとからなるとともに、双方のメモリに故
障内容と故障時間とを記憶せしめたことを特徴と
するエアバツクシステム。 A plurality of collision detection means 14 to 19 are connected between the terminals of the vehicle battery 1 via the ignition switch 2, and an operation control section 2 that deploys the airbag based on the detection output from the collision detection means.
0, a diagnostic circuit 10 that checks for a failure in at least one of the operation control unit or the collision detection means, a notification unit 23 that notifies the failure detected by the diagnostic circuit, and a failure detected by the diagnostic circuit. an airbag system comprising a memory for storing faults that have occurred, the memory comprising a volatile memory and a non-volatile memory, and both memories are configured to store fault contents and fault times. Air bag system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988127422U JPH0710972Y2 (en) | 1988-09-30 | 1988-09-30 | Air bag system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988127422U JPH0710972Y2 (en) | 1988-09-30 | 1988-09-30 | Air bag system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0249772U true JPH0249772U (en) | 1990-04-06 |
| JPH0710972Y2 JPH0710972Y2 (en) | 1995-03-15 |
Family
ID=31379845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988127422U Expired - Lifetime JPH0710972Y2 (en) | 1988-09-30 | 1988-09-30 | Air bag system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710972Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0512075A (en) * | 1991-06-29 | 1993-01-22 | Nippon Seiki Co Ltd | Trouble recorder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4882542A (en) * | 1972-02-09 | 1973-11-05 | ||
| JPS58101355A (en) * | 1981-12-11 | 1983-06-16 | Fujitsu Ltd | Alarm display system |
| JPS61156340A (en) * | 1984-12-28 | 1986-07-16 | Fuji Electric Co Ltd | Trouble recorder |
| JPS61247834A (en) * | 1985-03-21 | 1986-11-05 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Method of controlling quantity of fuel fed to internal combustion engine |
| JPS6216376U (en) * | 1985-07-13 | 1987-01-31 |
-
1988
- 1988-09-30 JP JP1988127422U patent/JPH0710972Y2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4882542A (en) * | 1972-02-09 | 1973-11-05 | ||
| JPS58101355A (en) * | 1981-12-11 | 1983-06-16 | Fujitsu Ltd | Alarm display system |
| JPS61156340A (en) * | 1984-12-28 | 1986-07-16 | Fuji Electric Co Ltd | Trouble recorder |
| JPS61247834A (en) * | 1985-03-21 | 1986-11-05 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Method of controlling quantity of fuel fed to internal combustion engine |
| JPS6216376U (en) * | 1985-07-13 | 1987-01-31 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0512075A (en) * | 1991-06-29 | 1993-01-22 | Nippon Seiki Co Ltd | Trouble recorder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0710972Y2 (en) | 1995-03-15 |
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