JPH0349297A - Malfunction prevention system caused by mis mounting - Google Patents
Malfunction prevention system caused by mis mountingInfo
- Publication number
- JPH0349297A JPH0349297A JP1185435A JP18543589A JPH0349297A JP H0349297 A JPH0349297 A JP H0349297A JP 1185435 A JP1185435 A JP 1185435A JP 18543589 A JP18543589 A JP 18543589A JP H0349297 A JPH0349297 A JP H0349297A
- Authority
- JP
- Japan
- Prior art keywords
- package
- code signal
- code
- volatile memory
- mounting
- 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
- 230000007257 malfunction Effects 0.000 title claims abstract description 7
- 230000002265 prevention Effects 0.000 title 1
- 238000000034 method Methods 0.000 claims description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 208000032368 Device malfunction Diseases 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ディジタル信号伝送装置などのパッケージの
誤実装による誤動作防止方式に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for preventing malfunction due to incorrect mounting of a package of a digital signal transmission device or the like.
従来、着脱可能なパッケージ内に搭載された不揮発性メ
モリに予め記憶させた制御データにより動作を制御され
るディジタル信号伝送装置などで、本来実装されるべき
箇所以外にパッケージが誤実装されて誤動作が生じるの
を防ぐため、パッケージ自体の形状を実装箇所ごとに変
えることにより、本来実装されるべき箇所以外には物理
的に実装不可能にする方式が用いられている。Conventionally, in digital signal transmission devices whose operation is controlled by control data pre-stored in non-volatile memory mounted in a removable package, malfunctions may occur due to the package being incorrectly mounted in a location other than where it was originally intended. In order to prevent this from occurring, a method is used in which the shape of the package itself is changed for each mounting location, thereby making it physically impossible to mount it in locations other than those where it should be mounted.
上述した従来のパッケージの誤実装による誤動作防止方
式では、本来実装されるべき不揮発性メモリを搭載した
パッケージが誤って他の箇所に実装されて不揮発性メモ
リに記憶された制御データが読み出されるのを防ぐため
、実装箇所ごとに対応するパッケージの形状を変えると
いう方式をとっているので、機能的には同じであってら
搭載されている不揮発性メモリに記憶させている制御デ
ータの内容か異なるだけで、パッケージの形状を何通り
も変えなければならないという欠点がある。The above-mentioned conventional method for preventing malfunctions due to incorrect package mounting prevents a package with non-volatile memory, which should have been mounted, from being mistakenly mounted elsewhere and the control data stored in the non-volatile memory being read out. To prevent this, we have adopted a method of changing the shape of the corresponding package for each mounting location, so even if the functionality is the same, the only difference is the content of the control data stored in the on-board non-volatile memory. However, the disadvantage is that the shape of the package must be changed in many ways.
本発明の誤実装による誤動作防止方式は、自身に固有に
付与されたコード信号を発出する装置コード信号発生部
をもつ装置と、該装置に着脱可能であり実装可能な装置
を示す装置識別コードを記憶する領域をもつ不揮発メモ
リを搭載したパッケージと、前記不揮発性メモリから読
出した前記装置識別コードと前記装置コード信号発生部
から発出されろ前記コード信号とが一致しているか否か
を判別する比較部と、該比較部での比較結果が不一致力
場合にのみ前記不揮発性メモリからの制御データの読み
出しを禁止する読み出し禁止信号発生部とを備えている
。The method for preventing malfunctions due to incorrect mounting of the present invention includes a device having a device code signal generating section that emits a code signal uniquely assigned to the device, and a device identification code that is detachable from the device and indicates a device that can be mounted. A package equipped with a non-volatile memory having a storage area, and a comparison to determine whether or not the device identification code read from the non-volatile memory and the code signal issued from the device code signal generator match. and a read prohibition signal generating section that prohibits reading of control data from the nonvolatile memory only when the comparison result in the comparing section is a mismatch.
；′実施例〕 次に、本発明について図面を参照して説明する。;'Example〕 Next, the present invention will be explained with reference to the drawings.
第１図は本発明の一実施例のブロック図であり、装置１
に、不揮発性メモリ３を搭載したパッケージ２を実装す
る場合を示している。装置１は、その装置固有に付与し
たコード信号を発出する装置コード信号発生部４をらち
、パッケージ２に搭載されている不揮発性メモリ３は、
パッケージ２が実装されるべき装置を識別する装置識別
コードを記憶するために設定した領域５をもっている。FIG. 1 is a block diagram of an embodiment of the present invention, in which a device 1
2 shows a case where a package 2 equipped with a nonvolatile memory 3 is mounted. The device 1 includes a device code signal generator 4 that generates a code signal unique to the device, and the nonvolatile memory 3 mounted in the package 2 has a
The package 2 has an area 5 set for storing a device identification code for identifying the device in which the package 2 is to be mounted.
パッケージ２が装置に実装されると、装置コード信号発
生部４から構成される装置固有のコードと不揮発性メモ
リ３の領域５に記憶されている装置識別コードとが比較
部６において比較され、その結果がバスＡを通って読み
出し禁止信号発生部７に送られる。読み出し禁止信号発
生部７では、比較部６から送られてきた比較結果か、両
コードの不一致を示している場合にのみ、バスＢを通し
て、不揮発性メモリ３に記憶されている制御データの読
み出しを禁止する読み出し禁止信号を発出して、不揮発
性メモリ３からの制御ブータラ）読み出しを禁止する。When the package 2 is mounted on a device, the device-specific code constituted by the device code signal generating section 4 and the device identification code stored in the area 5 of the non-volatile memory 3 are compared in the comparing section 6, and the The result is sent to the read inhibit signal generator 7 via bus A. The read inhibit signal generator 7 reads the control data stored in the non-volatile memory 3 through the bus B only when the comparison result sent from the comparator 6 indicates a mismatch between the two codes. A read prohibition signal is issued to prohibit reading from the non-volatile memory 3.
以上説明したように本発明は、装置に固有のコード信号
を発出する装置コード信号発生部をもち、不揮発性メモ
リ内の領域にその不揮発性メモリの搭載されているパッ
ケージを実装すべき装置箇所を識別する装置識別コード
を記憶させておき、両コードが一致しているかどうかを
比較いて不一致と判定された場合には、不揮発性メモリ
に記憶されている制御データの読み出しを禁止すること
により、誤実装による装置の誤動作を防止できる効果が
ある。As explained above, the present invention has a device code signal generation section that emits a code signal unique to the device, and identifies a device location in which a package in which the nonvolatile memory is mounted is to be mounted in an area within the nonvolatile memory. The system stores the device identification code to identify the device, and compares the two codes to see if they match. If it is determined that they do not match, the system prevents errors by prohibiting reading of the control data stored in non-volatile memory. This has the effect of preventing device malfunctions due to mounting.
第１図は本発明の一実施例を示すブロック図である。
１・・・装置、２・・・パッケージ、３・・・不揮発性
メモリ、４・・・装置コード信号発生部、５・・・（装
置識別コードを記憶しているン領域、６・・・比較部、
７・・・読み出し禁止信号発生部。FIG. 1 is a block diagram showing one embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Device, 2...Package, 3...Nonvolatile memory, 4...Device code signal generator, 5...(Area for storing a device identification code, 6... comparison section,
7... Read inhibit signal generation section.
Claims (1)
ード信号発生部をもつ装置と、該装置に着脱可能であり
実装可能な装置を示す装置識別コードを記憶する領域を
もつ不揮発メモリを搭載したパッケージと、前記不揮発
性メモリから読出した前記装置識別コードと前記装置コ
ード信号発生部から発出される前記コード信号とが一致
しているか否かを判別する比較部と、該比較部での比較
結果が不一致の場合にのみ前記不揮発性メモリからの制
御データの読み出しを禁止する読み出し禁止信号発生部
とを備えていることを特徴とする誤実装による誤動作防
止方式。A package equipped with a device having a device code signal generation section that emits a code signal uniquely assigned to the device, and a nonvolatile memory that is removable from the device and has an area for storing a device identification code indicating a device that can be mounted. and a comparison section that determines whether or not the device identification code read from the nonvolatile memory and the code signal issued from the device code signal generation section match, and a comparison result of the comparison section A method for preventing malfunctions due to incorrect mounting, comprising: a read inhibit signal generating section that inhibits reading of control data from the nonvolatile memory only in the case of mismatch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1185435A JPH0795635B2 (en) | 1989-07-17 | 1989-07-17 | Malfunction prevention method due to incorrect mounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1185435A JPH0795635B2 (en) | 1989-07-17 | 1989-07-17 | Malfunction prevention method due to incorrect mounting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0349297A true JPH0349297A (en) | 1991-03-04 |
| JPH0795635B2 JPH0795635B2 (en) | 1995-10-11 |
Family
ID=16170743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1185435A Expired - Lifetime JPH0795635B2 (en) | 1989-07-17 | 1989-07-17 | Malfunction prevention method due to incorrect mounting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0795635B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09504397A (en) * | 1993-10-28 | 1997-04-28 | エロネックス・テクノロジーズ・インコーポレーテッド | Micro Personal Digital Auxiliary Device |
| US7551165B2 (en) | 2004-03-12 | 2009-06-23 | International Business Machines Corporation | Updatable electronic labeling of electronic devices |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59124791A (en) * | 1983-01-04 | 1984-07-18 | 日本電気株式会社 | Printed circuit board mounting system |
| JPS6195597A (en) * | 1984-10-16 | 1986-05-14 | 日本電気株式会社 | Electronic apparatus |
-
1989
- 1989-07-17 JP JP1185435A patent/JPH0795635B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59124791A (en) * | 1983-01-04 | 1984-07-18 | 日本電気株式会社 | Printed circuit board mounting system |
| JPS6195597A (en) * | 1984-10-16 | 1986-05-14 | 日本電気株式会社 | Electronic apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09504397A (en) * | 1993-10-28 | 1997-04-28 | エロネックス・テクノロジーズ・インコーポレーテッド | Micro Personal Digital Auxiliary Device |
| US7551165B2 (en) | 2004-03-12 | 2009-06-23 | International Business Machines Corporation | Updatable electronic labeling of electronic devices |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0795635B2 (en) | 1995-10-11 |
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