JPS644077U - - Google Patents
Info
- Publication number
- JPS644077U JPS644077U JP9735787U JP9735787U JPS644077U JP S644077 U JPS644077 U JP S644077U JP 9735787 U JP9735787 U JP 9735787U JP 9735787 U JP9735787 U JP 9735787U JP S644077 U JPS644077 U JP S644077U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- circuit units
- connector connection
- units
- predetermined signal
- 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
- 238000012790 confirmation Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
第１図〜第３図はそれぞれ本考案の実施例を示
す回路図である。
１０１，１０２，２０１，２０２，２０３，３
０１，３０６…プリント配線基板、１０３〜１０
６，２０４〜２０７，２１１〜２１４，３０２…
コネクタ、１０３ａ，１０３ｂ，１０５ａ，１０
５ｂ，１１１，２２０，３０５…端子、１０７，
２０８，２１５…ケーブル、１０８，１０９，２
０９，２１０，２１６，２１７…信号線、１１０
，２１９，３０４…インバータ回路、２１８…バ
ツフア、Ｇ１〜Ｇ３…グランドパターン。
1 to 3 are circuit diagrams each showing an embodiment of the present invention. 101, 102, 201, 202, 203, 3
01,306...Printed wiring board, 103-10
6,204~207,211~214,302...
Connector, 103a, 103b, 105a, 10
5b, 111, 220, 305...Terminal, 107,
208,215...cable, 108,109,2
09,210,216,217...Signal line, 110
, 219, 304... Inverter circuit, 218... Buffer, G1-G3... Ground pattern.
Claims (1)
トを接続する複数のコネクタとを備えた装置のコ
ネクタ接続を確認するための回路において、 前記回路ユニツトの一つが発生した所定の信号
を、前記コネクタおよび他の前記回路ユニツトを
経由して、前記所定の信号を発生した前記回路ユ
ニツトに導く回路を備えたことを特徴とするコネ
クタ接続確認回路。 (2) 前記複数の回路ユニツトはプリント配線基
板およびマザーボードを含むことを特徴とする実
用新案登録請求の範囲第１項記載のコネクタ接続
確認回路。[Scope of Claim for Utility Model Registration] (1) In a circuit for confirming the connector connection of a device comprising a plurality of circuit units and a plurality of connectors connecting these circuit units, one of the circuit units has occurred. 1. A connector connection confirmation circuit comprising a circuit for guiding a predetermined signal to the circuit unit that generated the predetermined signal via the connector and another of the circuit units. (2) The connector connection confirmation circuit according to claim 1, wherein the plurality of circuit units include a printed wiring board and a motherboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9735787U JPS644077U (en) | 1987-06-26 | 1987-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9735787U JPS644077U (en) | 1987-06-26 | 1987-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS644077U true JPS644077U (en) | 1989-01-11 |
Family
ID=31322751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9735787U Pending JPS644077U (en) | 1987-06-26 | 1987-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS644077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02247990A (en) * | 1989-03-20 | 1990-10-03 | Fujitsu Ltd | Connection status detection method for inter-unit cable |
| JP2021045026A (en) * | 2019-09-13 | 2021-03-18 | キヤノン株式会社 | Electronic devices, control methods for electronic devices |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61155967A (en) * | 1984-12-28 | 1986-07-15 | Nec Corp | Circuit for detecting and displaying connection abnormality of multi-core cable connector |
-
1987
- 1987-06-26 JP JP9735787U patent/JPS644077U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61155967A (en) * | 1984-12-28 | 1986-07-15 | Nec Corp | Circuit for detecting and displaying connection abnormality of multi-core cable connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02247990A (en) * | 1989-03-20 | 1990-10-03 | Fujitsu Ltd | Connection status detection method for inter-unit cable |
| JP2021045026A (en) * | 2019-09-13 | 2021-03-18 | キヤノン株式会社 | Electronic devices, control methods for electronic devices |
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