JPH0255345U - - Google Patents
Info
- Publication number
- JPH0255345U JPH0255345U JP13181888U JP13181888U JPH0255345U JP H0255345 U JPH0255345 U JP H0255345U JP 13181888 U JP13181888 U JP 13181888U JP 13181888 U JP13181888 U JP 13181888U JP H0255345 U JPH0255345 U JP H0255345U
- Authority
- JP
- Japan
- Prior art keywords
- storage unit
- storage
- storing information
- information
- storage means
- 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
- 238000010586 diagram Methods 0.000 description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Multi Processors (AREA)
- Information Transfer Systems (AREA)
Description
第１図は本考案が適用される車両用通信装置の
要部を示したブロツク図、第２図は第１図に示し
たライト信号発生回路の内部構成を示した回路図
、第３図は第２図の信号波形を示した信号波形図
、第４図は共有メモリに対するデータ情報の書込
動作を示した信号波形図、第５図は共有メモリか
らのデータ情報を読出す場合の動作を示した信号
波形図、第６図は従来例を示した説明図である。
１１…制御装置、１３，３３…ライトバツフア
メモリ、１５，３５…リードバツフアメモリ、２
３…共有メモリ、３１…通信装置。
FIG. 1 is a block diagram showing the main parts of a vehicle communication device to which the present invention is applied, FIG. 2 is a circuit diagram showing the internal configuration of the light signal generation circuit shown in FIG. 1, and FIG. FIG. 4 is a signal waveform diagram showing the signal waveform of FIG. 2, FIG. 4 is a signal waveform diagram showing the operation of writing data information to the shared memory, and FIG. 5 is a signal waveform diagram showing the operation of reading data information from the shared memory. The signal waveform diagram shown in FIG. 6 is an explanatory diagram showing a conventional example. DESCRIPTION OF SYMBOLS 11... Control device, 13, 33... Write buffer memory, 15, 35... Read buffer memory, 2
3...Shared memory, 31...Communication device.
Claims (1)
を介して当該第１の装置と第２の装置との間で情
報の交換を行なう車両用通信装置において、 前記記憶部に接続され前記記憶部へ記憶すべき
前記第１の装置からの情報を格納する第１の格納
手段と、 前記記憶部に接続され前記記憶部へ記憶すべき
前記第２の装置からの情報を格納する第２の格納
手段と、 前記第１の装置によつて読取られるための前記
記憶部からの情報を格納する第３の格納手段と、 前記第２の装置によつて読取られるための前記
記憶部からの情報を格納する第４の格納手段とを
有し、 前記第１の装置は前記記憶部と第３の格納手段
から選択的に情報を読取るとともに、前記第２の
装置は前記記憶部と第４の格納手段から選択的に
情報を読取ることを特徴とする車両用通信装置。[Claims for Utility Model Registration] A communication device for a vehicle that exchanges information between a first device and a second device via a storage unit shared by the first device and the second device. A first storage unit connected to the storage unit and storing information from the first device to be stored in the storage unit; and a first storage unit connected to the storage unit and storing information from the first device to be stored in the storage unit. second storage means for storing information from the device; third storage means for storing information from the storage unit for being read by the first device; a fourth storage means for storing information from the storage section to be read; the first device selectively reads information from the storage section and the third storage means; A communication device for a vehicle, wherein the device selectively reads information from the storage section and the fourth storage means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13181888U JPH0517711Y2 (en) | 1988-10-11 | 1988-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13181888U JPH0517711Y2 (en) | 1988-10-11 | 1988-10-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0255345U true JPH0255345U (en) | 1990-04-20 |
| JPH0517711Y2 JPH0517711Y2 (en) | 1993-05-12 |
Family
ID=31388235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13181888U Expired - Lifetime JPH0517711Y2 (en) | 1988-10-11 | 1988-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0517711Y2 (en) |
-
1988
- 1988-10-11 JP JP13181888U patent/JPH0517711Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0517711Y2 (en) | 1993-05-12 |
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