JPS572120A - Binary coding circuit of analog signal - Google Patents

Binary coding circuit of analog signal

Info

Publication number
JPS572120A
JPS572120A JP7513280A JP7513280A JPS572120A JP S572120 A JPS572120 A JP S572120A JP 7513280 A JP7513280 A JP 7513280A JP 7513280 A JP7513280 A JP 7513280A JP S572120 A JPS572120 A JP S572120A
Authority
JP
Japan
Prior art keywords
signal
detection
chatter
sensitivity
rise
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
Application number
JP7513280A
Other languages
Japanese (ja)
Other versions
JPH0124372B2 (en
Inventor
Yasukazu Sano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
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 by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP7513280A priority Critical patent/JPS572120A/en
Publication of JPS572120A publication Critical patent/JPS572120A/en
Publication of JPH0124372B2 publication Critical patent/JPH0124372B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Manipulation Of Pulses (AREA)

Abstract

PURPOSE:To increase effectively the sensitivity of detection, by lowering the sensitivity at the rise area of waveform of a video signal to prevent assuredly the chatter and then carrying out a detection of defect with a signal having a high sensitivity of detection at the area after the rise where no fear exists for the chatter. CONSTITUTION:The B, C and D video signals 21, 22 and 23 are obtained through delaying elements 3-5 form the A video signal obtained by shifting a video signal 40 to the negative side by a certain extent. These signals 21-23 are supplied to comparators 7-9 to produce the output CMP11 signal 33, CMP signal 35 and CMP signal 36 respectively. The output of a comparator 6 which received a signal 20 is led to a timer 10, and control signals 28-30 are delivered from the timer 10. Based on these control signals, the sensitivity of detection is lowered to some extent at the rise area of waveform of the video signal to prevent assuredly the chatter with the signal 33. Then a detection is carried out for flaws with signals 35 and 36 having a high sensitivity of detection and in a binary coding way after the rise where no fear exists for the chatter.
JP7513280A 1980-06-04 1980-06-04 Binary coding circuit of analog signal Granted JPS572120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7513280A JPS572120A (en) 1980-06-04 1980-06-04 Binary coding circuit of analog signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7513280A JPS572120A (en) 1980-06-04 1980-06-04 Binary coding circuit of analog signal

Publications (2)

Publication Number Publication Date
JPS572120A true JPS572120A (en) 1982-01-07
JPH0124372B2 JPH0124372B2 (en) 1989-05-11

Family

ID=13567352

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7513280A Granted JPS572120A (en) 1980-06-04 1980-06-04 Binary coding circuit of analog signal

Country Status (1)

Country Link
JP (1) JPS572120A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5475309B2 (en) * 2009-03-30 2014-04-16 独立行政法人国立高等専門学校機構 Falling object detection device

Also Published As

Publication number Publication date
JPH0124372B2 (en) 1989-05-11

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