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JPS647813A - Automatic threshold level setting circuit - Google Patents

Automatic threshold level setting circuit

Info

Publication number
JPS647813A
JPS647813A JP16380487A JP16380487A JPS647813A JP S647813 A JPS647813 A JP S647813A JP 16380487 A JP16380487 A JP 16380487A JP 16380487 A JP16380487 A JP 16380487A JP S647813 A JPS647813 A JP S647813A
Authority
JP
Japan
Prior art keywords
value
threshold level
input signal
holding
maximum value
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
JP16380487A
Other languages
Japanese (ja)
Inventor
Kazutada Azuma
Hiroshi Nakano
Tomozo Ota
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP16380487A priority Critical patent/JPS647813A/en
Publication of JPS647813A publication Critical patent/JPS647813A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To set a threshold level to an optimum value in a short time by outputting a level set by synthesizing the outputs of a maximum value holding means and a minimum value holding means as a threshold level. CONSTITUTION:The titled circuit is constituted of a maximum value holding means 2 for holding the maximum value of an input signal applied to an input terminal 1, a minimum value holding means 3 for holding the minimum value of the input signal, and a synthesizing means 4 for synthesizing an output of the maximum value holding value means 2 and an output of the minimum value holding means 3 and outputting a set level as a threshold level. Holding of the maximum value and the minimum value of the input signal can be attained immediately after starting the input signal. Also, the synthesizing means 4 only synthesizes the maximum value and the minimum value, and for instance, only outputs the intermediate value. In such a way, a transient time extending from a start of the input signal to an output of the set level can be shortened.
JP16380487A 1987-06-30 1987-06-30 Automatic threshold level setting circuit Pending JPS647813A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16380487A JPS647813A (en) 1987-06-30 1987-06-30 Automatic threshold level setting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16380487A JPS647813A (en) 1987-06-30 1987-06-30 Automatic threshold level setting circuit

Publications (1)

Publication Number Publication Date
JPS647813A true JPS647813A (en) 1989-01-11

Family

ID=15781021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16380487A Pending JPS647813A (en) 1987-06-30 1987-06-30 Automatic threshold level setting circuit

Country Status (1)

Country Link
JP (1) JPS647813A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000009593A1 (en) * 1998-08-11 2000-02-24 Toyo Kohan Co., Ltd. Resin film having excellent processability in embossing and decorative metal sheet covered therewith
JP2005274642A (en) * 2004-03-23 2005-10-06 Sony Corp Display apparatus and driving method for same
JP2008211808A (en) * 2008-03-07 2008-09-11 Matsushita Electric Ind Co Ltd Reference voltage generation circuit and voltage amplifier using same
JP2013030991A (en) * 2011-07-28 2013-02-07 Sumitomo Electric Ind Ltd Binarization circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000009593A1 (en) * 1998-08-11 2000-02-24 Toyo Kohan Co., Ltd. Resin film having excellent processability in embossing and decorative metal sheet covered therewith
JP2005274642A (en) * 2004-03-23 2005-10-06 Sony Corp Display apparatus and driving method for same
JP2008211808A (en) * 2008-03-07 2008-09-11 Matsushita Electric Ind Co Ltd Reference voltage generation circuit and voltage amplifier using same
JP2013030991A (en) * 2011-07-28 2013-02-07 Sumitomo Electric Ind Ltd Binarization circuit

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