CA1104218A - Signal evaluating equipment - Google Patents

Signal evaluating equipment

Info

Publication number
CA1104218A
CA1104218A CA278,120A CA278120A CA1104218A CA 1104218 A CA1104218 A CA 1104218A CA 278120 A CA278120 A CA 278120A CA 1104218 A CA1104218 A CA 1104218A
Authority
CA
Canada
Prior art keywords
signal
circuit
output
input
pulse
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.)
Expired
Application number
CA278,120A
Other languages
English (en)
French (fr)
Inventor
Luciaan H.E. Van Heddegem
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of CA1104218A publication Critical patent/CA1104218A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00—Sorting according to destination
    • B07C3/10—Apparatus characterised by the means used for detection ofthe destination
    • B07C3/14—Apparatus characterised by the means used for detection ofthe destination using light-responsive detecting means
    • 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
    • H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
    • H03K5/1532—Peak detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Manipulation Of Pulses (AREA)
  • Measurement Of Current Or Voltage (AREA)
CA278,120A 1976-05-11 1977-05-10 Signal evaluating equipment Expired CA1104218A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7604987 1976-05-11
NL7604987A NL7604987A (nl) 1976-05-11 1976-05-11 Signaalwaarderingsapparatuur.

Publications (1)

Publication Number Publication Date
CA1104218A true CA1104218A (en) 1981-06-30

Family

ID=19826164

Family Applications (1)

Application Number Title Priority Date Filing Date
CA278,120A Expired CA1104218A (en) 1976-05-11 1977-05-10 Signal evaluating equipment

Country Status (7)

Country Link
AU (1) AU509218B2 (cs)
BE (1) BE854484A (cs)
CA (1) CA1104218A (cs)
DE (1) DE2719833C3 (cs)
ES (1) ES458627A1 (cs)
IT (1) IT1084029B (cs)
NL (1) NL7604987A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441889A1 (fr) * 1978-11-15 1980-06-13 Bertin & Cie Procede de lecture d'indexations codees et dispositif pour la mise en oeuvre de ce procede
FR2538929B1 (fr) * 1982-12-30 1986-01-24 France Etat Tete de lecture de codes a batonnets fluorescents, appareil d'analyse utilisant une telle tete et carte permettant l'etalonnage de cet appareil
FR2546321B2 (fr) * 1982-12-30 1986-03-14 France Etat Tete de lecture de codes a batonnets, appareil d'analyse utilisant une telle tete et carte permettant l'etalonnage de cet appareil
FR2560413B1 (fr) * 1984-02-28 1987-06-26 Hotchkiss Brandt Sogeme Tete de lecture perfectionnee pour lecture de marques d'indexation
NL8901759A (nl) * 1989-07-10 1991-02-01 Nederland Ptt Werkwijze voor het detecteren van een streepcode.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1273428A (en) * 1969-08-01 1972-05-10 Standard Telephones Cables Ltd Improvements in or relating to measuring instruments
DE2044795B2 (de) * 1970-09-10 1972-02-03 Arthur Klemt KG, 8031 Olehing Verfahren zur verringerung oder beseitigung des einflusses von unterschieden des kontrastes und der untergrundhelligkeit auf die klassifizierung von schriftzeichen bei rasterver fahren und vorrichtung zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
ES458627A1 (es) 1978-02-16
AU2504077A (en) 1978-11-16
DE2719833B2 (cs) 1980-09-04
DE2719833A1 (de) 1977-11-17
BE854484A (nl) 1977-11-14
NL7604987A (nl) 1977-11-15
DE2719833C3 (de) 1982-07-15
AU509218B2 (en) 1980-05-01
IT1084029B (it) 1985-05-25

Similar Documents

Publication Publication Date Title
CA1104218A (en) Signal evaluating equipment
US3599004A (en) Arrangement of photocells for the determination of the position of an equidistantly divided scale
US4045804A (en) Focus detecting device
JPS58115590A (ja) 磁気インク文字認識装置
US3103646A (en) Voltage comparison circuit
US3955096A (en) Implicit ratio computer for sequential signals
WO1988005900A1 (en) Multiple detector fog suppression and edge enhancement
EP0127743A2 (en) Light detecting circuit
US4048510A (en) Circuit arrangements for controlling detector signals in surface inspection systems
US4092525A (en) Code reading apparatus
US2931916A (en) Document transcriber
US3328590A (en) Automatic gain control for ambient light effects
GB986276A (en) Character recognition
US3299271A (en) Electro-optical label reading system using pulse width detection circuit
US3586864A (en) Apparatus and method for testing a body for surface irregularities
US4941051A (en) Signal processing circuit and method
US6034367A (en) Biasing arrangement for linear detector array
US3604899A (en) Mark-detecting system
US4769533A (en) Circuit arrangement for a position-sensitive radiation detector
SU1081543A1 (ru) Фотоэлектрический датчик скорости вращени
JP2928616B2 (ja) 光検出装置
US3795811A (en) Method and means for equalizing the response of signal channels in a multiple channel improved system
US5377282A (en) Optical inspection system utilizing dynamic analog-to-digital thresholding
US3560718A (en) Marked grid reading and testing device
DE2113089B2 (de) Anordnung zum zeilen- oder spaltenweisen optischen lesen von auf einem aufzeichnungstraeger an in spalten und zeilen angeordneten positionen aufgezeichneten markierungen

Legal Events

Date Code Title Description
MKEX Expiry