JPS4898724A - - Google Patents

Info

Publication number
JPS4898724A
JPS4898724A JP2078873A JP2078873A JPS4898724A JP S4898724 A JPS4898724 A JP S4898724A JP 2078873 A JP2078873 A JP 2078873A JP 2078873 A JP2078873 A JP 2078873A JP S4898724 A JPS4898724 A JP S4898724A
Authority
JP
Japan
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
JP2078873A
Other languages
Japanese (ja)
Other versions
JPS5340305B2 (fr
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
Publication of JPS4898724A publication Critical patent/JPS4898724A/ja
Publication of JPS5340305B2 publication Critical patent/JPS5340305B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
    • 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
    • H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
    • H03K5/084—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold modified by switching, e.g. by a periodic signal or by a signal in synchronism with the transitions of the output signal

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nonlinear Science (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Manipulation Of Pulses (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Dc Digital Transmission (AREA)
JP2078873A 1972-02-22 1973-02-22 Expired JPS5340305B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722208310 DE2208310C3 (de) 1972-02-22 1972-02-22 Verfahren und Schaltungsanordnung zur Erzeugung einer Impulsfolge konstanter Impulsamplitude aus einer bivalenten Signalfolge veränderlicher Signalamplitude, der eine zeitlich veränderliche Gleichgröße überlagert ist

Publications (2)

Publication Number Publication Date
JPS4898724A true JPS4898724A (fr) 1973-12-14
JPS5340305B2 JPS5340305B2 (fr) 1978-10-26

Family

ID=5836723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2078873A Expired JPS5340305B2 (fr) 1972-02-22 1973-02-22

Country Status (10)

Country Link
JP (1) JPS5340305B2 (fr)
AT (1) AT329648B (fr)
CA (1) CA991746A (fr)
CH (1) CH568685A5 (fr)
DE (1) DE2208310C3 (fr)
FR (1) FR2182855B1 (fr)
GB (1) GB1417735A (fr)
IT (1) IT987015B (fr)
NL (1) NL167062C (fr)
SE (1) SE394779B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51129131A (en) * 1975-05-01 1976-11-10 Omron Tateisi Electronics Co Analog-digital conversion circuit
JPS51135426A (en) * 1975-05-20 1976-11-24 Seiko Epson Corp Tag read unit
JPS60157677A (ja) * 1984-01-27 1985-08-17 Usac Electronics Ind Co Ltd バ−コ−ドリ−ダ増幅回路方式
JPS6261176A (ja) * 1985-09-11 1987-03-17 Usac Electronics Ind Co Ltd バ−コ−ド読取装置の浮動スライス方式

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832577A (en) * 1973-06-22 1974-08-27 Ibm Threshold extraction circuitry for noisy electric waveforms
JPS6013596B2 (ja) * 1977-08-19 1985-04-08 日本ビクター株式会社 テレビジヨン映像信号処理装置
CA1122697A (fr) * 1977-09-13 1982-04-27 Tom W. Ridler Discriminateurs d'images
US4222073A (en) * 1977-10-19 1980-09-09 Matsushita Electric Industrial Co., Ltd. Multiplexed information signal receiving system
JPS5585028A (en) * 1978-12-22 1980-06-26 Hitachi Ltd Mark detecting signal amplifier
JPS57105830A (en) * 1980-11-03 1982-07-01 Philips Corp Direct current coupling type signal processor
JPS57171868A (en) * 1981-04-16 1982-10-22 Toshiba Corp Waveform shaping circuit
US4399474A (en) * 1981-08-10 1983-08-16 Ampex Corporation Automatic threshold tracking system
DE3203559C2 (de) * 1982-02-03 1984-04-19 Siemens AG, 1000 Berlin und 8000 München Verfahren und Schaltungsanordnung zum Umsetzen von analogen Abtastsignalen in binäre Rechtecksignale
JPS59257A (ja) * 1982-06-25 1984-01-05 Pioneer Electronic Corp デイジタル変調信号読取装置
JPS59117718A (ja) * 1982-12-24 1984-07-07 Victor Co Of Japan Ltd デイジタル信号の再生装置
GB2251508A (en) * 1991-01-03 1992-07-08 Nat Res Dev Variable threshold apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1537116B2 (de) * 1967-08-30 1973-08-09 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt Schaltungsanordnung zur pegelunabhaengigen regenerierung einer maeanderfoermigen impulsfolge
US3593334A (en) * 1968-11-29 1971-07-13 Burroughs Corp Pulse discrimination system
DE1958755C3 (de) * 1969-11-22 1984-07-19 ANT Nachrichtentechnik GmbH, 7150 Backnang Schwellwertschalter mit in Abhängigkeit von der Amplitude der Eingangssignale steuerbarer Ansprechschwelle
DE2037464A1 (de) * 1970-07-28 1972-02-10 Siemens Ag Schaltungsanordnung zur Bewertung von Impulsen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51129131A (en) * 1975-05-01 1976-11-10 Omron Tateisi Electronics Co Analog-digital conversion circuit
JPS51135426A (en) * 1975-05-20 1976-11-24 Seiko Epson Corp Tag read unit
JPS5818661B2 (ja) * 1975-05-20 1983-04-14 セイコーエプソン株式会社 タグヨミトリソウチ
JPS60157677A (ja) * 1984-01-27 1985-08-17 Usac Electronics Ind Co Ltd バ−コ−ドリ−ダ増幅回路方式
JPS6261176A (ja) * 1985-09-11 1987-03-17 Usac Electronics Ind Co Ltd バ−コ−ド読取装置の浮動スライス方式
JPH0320792B2 (fr) * 1985-09-11 1991-03-20 Pfu Ltd

Also Published As

Publication number Publication date
SE394779B (sv) 1977-07-04
DE2208310A1 (de) 1973-09-13
ATA154173A (de) 1975-08-15
FR2182855B1 (fr) 1976-04-30
JPS5340305B2 (fr) 1978-10-26
CA991746A (en) 1976-06-22
DE2208310C3 (de) 1982-07-29
NL7302472A (fr) 1973-08-24
DE2208310B2 (de) 1974-02-14
AT329648B (de) 1976-05-25
IT987015B (it) 1975-02-20
GB1417735A (en) 1975-12-17
NL167062C (nl) 1981-10-15
CH568685A5 (fr) 1975-10-31
NL167062B (nl) 1981-05-15
FR2182855A1 (fr) 1973-12-14

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