JPH0458771U - - Google Patents

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Publication number
JPH0458771U
JPH0458771U JP10054390U JP10054390U JPH0458771U JP H0458771 U JPH0458771 U JP H0458771U JP 10054390 U JP10054390 U JP 10054390U JP 10054390 U JP10054390 U JP 10054390U JP H0458771 U JPH0458771 U JP H0458771U
Authority
JP
Japan
Prior art keywords
data
change
detection section
detects
monitoring timer
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
JP10054390U
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 JP10054390U priority Critical patent/JPH0458771U/ja
Publication of JPH0458771U publication Critical patent/JPH0458771U/ja
Pending legal-status Critical Current

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  • Information Transfer Systems (AREA)
  • Dc Digital Transmission (AREA)

Description

【図面の簡単な説明】
第１図、第２図は本考案の一実施例のブロツク
図、回路図、第３図、第４図はこの実施例の動作
を示すタイミングチヤートである。 １はデータ変化抽出部、２……立ち上がり検出
部、３……立ち下がり検出部、４……立ち下がり
検出部、５……立ち上がり検出部、６……無変化
監視タイマ、７……無変化監視タイマ。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ データを一定周期でサンプリングし、データ
    の変化を検出するデータ変化抽出部と、データの
    “０”から“１”への変化を検出する第１の立ち
    上がり検出部と、立ち上がり検出後のデータの“
    １”から“０”への変化を検出する第２の立ち下
    がり検出部と、データの“１”から“０”への変
    化を検出する第１の立ち下がり検出部と、立ち下
    がり検出後の“１”から“０”への変化を検出す
    る第２の立ち上がり検出部と、データの一定時間
    以上の無変化を監視する無変化監視タイマとを具
    備することを特徴とするデータ検出回路。 ２ 前記無変化監視タイマが、前記第２の立ち下
    がり検出部出力を監視する第１の無変化監視タイ
    マと、前記第２の立ち上がり検出部の出力を監視
    する第２の無変化監視タイマとを有することを特
    徴とする請求項１記載のデータ検出回路。
JP10054390U 1990-09-26 1990-09-26 Pending JPH0458771U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10054390U JPH0458771U (ja) 1990-09-26 1990-09-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10054390U JPH0458771U (ja) 1990-09-26 1990-09-26

Publications (1)

Publication Number Publication Date
JPH0458771U true JPH0458771U (ja) 1992-05-20

Family

ID=31843282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10054390U Pending JPH0458771U (ja) 1990-09-26 1990-09-26

Country Status (1)

Country Link
JP (1) JPH0458771U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007174457A (ja) * 2005-12-26 2007-07-05 Kyocera Corp 受信装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01122228A (ja) * 1987-11-06 1989-05-15 Fujitsu Ltd バス制御回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01122228A (ja) * 1987-11-06 1989-05-15 Fujitsu Ltd バス制御回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007174457A (ja) * 2005-12-26 2007-07-05 Kyocera Corp 受信装置

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