JPH0420170U - - Google Patents

Info

Publication number
JPH0420170U
JPH0420170U JP6018490U JP6018490U JPH0420170U JP H0420170 U JPH0420170 U JP H0420170U JP 6018490 U JP6018490 U JP 6018490U JP 6018490 U JP6018490 U JP 6018490U JP H0420170 U JPH0420170 U JP H0420170U
Authority
JP
Japan
Prior art keywords
buzzer
switch circuit
controls
detection signal
barcode reader
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
JP6018490U
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 JP6018490U priority Critical patent/JPH0420170U/ja
Publication of JPH0420170U publication Critical patent/JPH0420170U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図はこの考案による実施例を示すブザー制
御回路のブロツク図、第2図はそのフローチヤー
トである。 1,2……トランジスタ、3,4,6,7……
抵抗、5……ブザー、8……CPU。

Claims (1)

  1. 【実用新案登録請求の範囲】 バーコードを光学的に読み取つたことを検出し
    、その検出信号によつて作動するブザーを備えた
    バーコードリーダにおいて、 2つのトランジスタと複数個の抵抗よりなるス
    イツチ回路を上記ブザーの制御回路に設け、上記
    検出信号に基づく2つの信号をスイツチ回路へ入
    力させ、このスイツチ回路を構成するトランジス
    タをON・OFF作動させることによつてブザー
    への駆動電圧を制御し、ブザーの音量と音質を制
    御することを特徴とするバーコードリーダ。
JP6018490U 1990-06-08 1990-06-08 Pending JPH0420170U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6018490U JPH0420170U (ja) 1990-06-08 1990-06-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6018490U JPH0420170U (ja) 1990-06-08 1990-06-08

Publications (1)

Publication Number Publication Date
JPH0420170U true JPH0420170U (ja) 1992-02-20

Family

ID=31587329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6018490U Pending JPH0420170U (ja) 1990-06-08 1990-06-08

Country Status (1)

Country Link
JP (1) JPH0420170U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61190660A (ja) * 1985-02-18 1986-08-25 Fujitsu Ltd 読取音制御方式

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61190660A (ja) * 1985-02-18 1986-08-25 Fujitsu Ltd 読取音制御方式

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