AT329648B - METHOD AND CIRCUIT ARRANGEMENT FOR GENERATING A PULSE SEQUENCE CONSTANTER AMPLITUDE FROM A BIVALENT SIGNAL SEQUENCE OF CHANGING SIGNAL AMPLITUDE OVERLAYING A TIME CHANGING EQUAL SIZE - Google Patents

METHOD AND CIRCUIT ARRANGEMENT FOR GENERATING A PULSE SEQUENCE CONSTANTER AMPLITUDE FROM A BIVALENT SIGNAL SEQUENCE OF CHANGING SIGNAL AMPLITUDE OVERLAYING A TIME CHANGING EQUAL SIZE

Info

Publication number
AT329648B
AT329648B AT154173A AT154173A AT329648B AT 329648 B AT329648 B AT 329648B AT 154173 A AT154173 A AT 154173A AT 154173 A AT154173 A AT 154173A AT 329648 B AT329648 B AT 329648B
Authority
AT
Austria
Prior art keywords
amplitude
changing
sequence
constanter
overlaying
Prior art date
Application number
AT154173A
Other languages
German (de)
Other versions
ATA154173A (en
Original Assignee
Nixdorf Computer Ag
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 Nixdorf Computer Ag filed Critical Nixdorf Computer Ag
Publication of ATA154173A publication Critical patent/ATA154173A/en
Application granted granted Critical
Publication of AT329648B publication Critical patent/AT329648B/en

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
AT154173A 1972-02-22 1973-02-21 METHOD AND CIRCUIT ARRANGEMENT FOR GENERATING A PULSE SEQUENCE CONSTANTER AMPLITUDE FROM A BIVALENT SIGNAL SEQUENCE OF CHANGING SIGNAL AMPLITUDE OVERLAYING A TIME CHANGING EQUAL SIZE AT329648B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722208310 DE2208310C3 (en) 1972-02-22 1972-02-22 Method and circuit arrangement for generating a pulse sequence of constant pulse amplitude from a bivalent signal sequence of variable signal amplitude on which a temporally variable constant value is superimposed

Publications (2)

Publication Number Publication Date
ATA154173A ATA154173A (en) 1975-08-15
AT329648B true AT329648B (en) 1976-05-25

Family

ID=5836723

Family Applications (1)

Application Number Title Priority Date Filing Date
AT154173A AT329648B (en) 1972-02-22 1973-02-21 METHOD AND CIRCUIT ARRANGEMENT FOR GENERATING A PULSE SEQUENCE CONSTANTER AMPLITUDE FROM A BIVALENT SIGNAL SEQUENCE OF CHANGING SIGNAL AMPLITUDE OVERLAYING A TIME CHANGING EQUAL SIZE

Country Status (10)

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

Families Citing this family (16)

* 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
JPS51129131A (en) * 1975-05-01 1976-11-10 Omron Tateisi Electronics Co Analog-digital conversion circuit
JPS5818661B2 (en) * 1975-05-20 1983-04-14 セイコーエプソン株式会社 tagyomitrisouchi
JPS6013596B2 (en) * 1977-08-19 1985-04-08 日本ビクター株式会社 Television video signal processing equipment
CA1122697A (en) * 1977-09-13 1982-04-27 Tom W. Ridler Image discriminators
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
EP0051343B1 (en) * 1980-11-03 1986-02-12 North American Philips Corporation Signal processing for digital optical disc players
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 (en) * 1982-02-03 1984-04-19 Siemens AG, 1000 Berlin und 8000 München Method and circuit arrangement for converting analog scanning signals into binary square-wave signals
JPS59257A (en) * 1982-06-25 1984-01-05 Pioneer Electronic Corp Digital modulating signal reader
JPS59117718A (en) * 1982-12-24 1984-07-07 Victor Co Of Japan Ltd Reproducing device of digital signal
JPS60157677A (en) * 1984-01-27 1985-08-17 Usac Electronics Ind Co Ltd Amplifier circuit system of bar code reader
JPS6261176A (en) * 1985-09-11 1987-03-17 Usac Electronics Ind Co Ltd Floating slice system for bar code reader
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 (en) * 1967-08-30 1973-08-09 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt CIRCUIT ARRANGEMENT FOR LEVEL-INDEPENDENT REGENERATION OF A MAEANDER-SHAPED PULSE SEQUENCE
US3593334A (en) * 1968-11-29 1971-07-13 Burroughs Corp Pulse discrimination system
DE1958755C3 (en) * 1969-11-22 1984-07-19 ANT Nachrichtentechnik GmbH, 7150 Backnang Threshold switch with a response threshold that can be controlled depending on the amplitude of the input signals
DE2037464A1 (en) * 1970-07-28 1972-02-10 Siemens Ag Circuit arrangement for evaluating pulses

Also Published As

Publication number Publication date
DE2208310A1 (en) 1973-09-13
GB1417735A (en) 1975-12-17
FR2182855A1 (en) 1973-12-14
SE394779B (en) 1977-07-04
CH568685A5 (en) 1975-10-31
JPS4898724A (en) 1973-12-14
DE2208310B2 (en) 1974-02-14
NL167062C (en) 1981-10-15
NL167062B (en) 1981-05-15
JPS5340305B2 (en) 1978-10-26
DE2208310C3 (en) 1982-07-29
ATA154173A (en) 1975-08-15
CA991746A (en) 1976-06-22
IT987015B (en) 1975-02-20
FR2182855B1 (en) 1976-04-30
NL7302472A (en) 1973-08-24

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee