JPH048543U - - Google Patents

Info

Publication number
JPH048543U
JPH048543U JP1990049267U JP4926790U JPH048543U JP H048543 U JPH048543 U JP H048543U JP 1990049267 U JP1990049267 U JP 1990049267U JP 4926790 U JP4926790 U JP 4926790U JP H048543 U JPH048543 U JP H048543U
Authority
JP
Japan
Prior art keywords
switch
tested
comparison circuit
car radio
notifies
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
Application number
JP1990049267U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990049267U priority Critical patent/JPH048543U/ja
Publication of JPH048543U publication Critical patent/JPH048543U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Circuits Of Receivers In General (AREA)
  • Keying Circuit Devices (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Description

【図面の簡単な説明】
第１図は本考案の構成図、第２図はマイコンと
スイツチの接続図、第３図は本考案のフローチヤ
ートである。 １……被検査スイツチ群、１１〜４４……スイ
ツチ、２……マイコン、２１……発信回路、２２
……信号出力回路、２３……トリガー回路、２４
……比較回路、２５……信号入力回路、２６……
告知駆動回路、３……告知装置、４……接続部。

Claims (1)

    【実用新案登録請求の範囲】
  1. マイクロコンピユータに、検査信号発生回路と
    、該検査信号を用いて被検査スイツチの入出力端
    子の信号を照合し該スイツチの異常判定を行う比
    較回路とを有すると共に、該比較回路の判定結果
    を告知する告知装置を有し、外部からの検査開始
    信号をうけて該被検査スイツチの診断を行い、該
    診断結果を告知装置で告知し、該告知を完了する
    と同時に、該被検査スイツチをカーラジオの操作
    スイツチとして復帰するようにしたことを特徴と
    する自己診断機付きカーラジオ。
JP1990049267U 1990-05-11 1990-05-11 Pending JPH048543U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990049267U JPH048543U (ja) 1990-05-11 1990-05-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990049267U JPH048543U (ja) 1990-05-11 1990-05-11

Publications (1)

Publication Number Publication Date
JPH048543U true JPH048543U (ja) 1992-01-27

Family

ID=31566810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990049267U Pending JPH048543U (ja) 1990-05-11 1990-05-11

Country Status (1)

Country Link
JP (1) JPH048543U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019161852A (ja) * 2018-03-13 2019-09-19 Ｎｅｃプラットフォームズ株式会社 制御信号生成システム及び制御信号生成装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5578693A (en) * 1978-12-08 1980-06-13 Sumitomo Electric Ind Ltd Electric wiring system
JPS63314476A (ja) * 1987-06-17 1988-12-22 Matsushita Electric Ind Co Ltd ホ−ムバステスタ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5578693A (en) * 1978-12-08 1980-06-13 Sumitomo Electric Ind Ltd Electric wiring system
JPS63314476A (ja) * 1987-06-17 1988-12-22 Matsushita Electric Ind Co Ltd ホ−ムバステスタ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019161852A (ja) * 2018-03-13 2019-09-19 Ｎｅｃプラットフォームズ株式会社 制御信号生成システム及び制御信号生成装置

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