NL7104722A - - Google Patents

Info

Publication number
NL7104722A
NL7104722A NL7104722A NL7104722A NL7104722A NL 7104722 A NL7104722 A NL 7104722A NL 7104722 A NL7104722 A NL 7104722A NL 7104722 A NL7104722 A NL 7104722A NL 7104722 A NL7104722 A NL 7104722A
Authority
NL
Netherlands
Application number
NL7104722A
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
Priority to NL7104722A priority Critical patent/NL7104722A/xx
Priority claimed from NLAANVRAGE7114722,A external-priority patent/NL175175C/xx
Priority to DE19722215459 priority patent/DE2215459A1/de
Priority to GB1507872A priority patent/GB1337898A/en
Priority to US00241041A priority patent/US3811034A/en
Priority to CH510772A priority patent/CH555623A/xx
Priority to IT2284172A priority patent/IT951190B/it
Priority to BE781777A priority patent/BE781777A/xx
Publication of NL7104722A publication Critical patent/NL7104722A/xx

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
    • G06K7/01—Details
    • G06K7/016—Synchronisation of sensing process
    • G06K7/0166—Synchronisation of sensing process by means of clock-signals derived from the code marks, e.g. self-clocking code
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
    • G06V30/2247—Characters composed of bars, e.g. CMC-7

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Nonlinear Science (AREA)
  • Artificial Intelligence (AREA)
  • Manipulation Of Pulses (AREA)
  • Character Input (AREA)
NL7104722A 1971-04-08 1971-04-08 NL7104722A (xx)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL7104722A NL7104722A (xx) 1971-04-08 1971-04-08
DE19722215459 DE2215459A1 (de) 1971-04-08 1972-03-29 Signalerkennungssystem
GB1507872A GB1337898A (en) 1971-04-08 1972-03-30 Signal recognition system
US00241041A US3811034A (en) 1971-04-08 1972-04-04 Signal recognition system
CH510772A CH555623A (de) 1971-04-08 1972-04-07 Signalerkennungsanlage.
IT2284172A IT951190B (it) 1971-04-08 1972-04-07 Sistema per il riconoscimento di segnali
BE781777A BE781777A (fr) 1971-04-08 1972-04-07 Signaal-herkenningsstelsel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7104722A NL7104722A (xx) 1971-04-08 1971-04-08
NLAANVRAGE7114722,A NL175175C (nl) 1970-10-30 1971-04-08 Werkwijze voor de omzetting van propeen en/of isobuteen met een moleculaire zuurstof bevattend gas en ammoniak in aanwezigheid van een katalysator.

Publications (1)

Publication Number Publication Date
NL7104722A true NL7104722A (xx) 1972-10-10

Family

ID=26644646

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7104722A NL7104722A (xx) 1971-04-08 1971-04-08

Country Status (5)

Country Link
US (1) US3811034A (xx)
CH (1) CH555623A (xx)
DE (1) DE2215459A1 (xx)
GB (1) GB1337898A (xx)
NL (1) NL7104722A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4241310A (en) * 1978-03-23 1980-12-23 The Bendix Corporation Delay line digital code detector
FR2579038B1 (fr) * 1985-03-15 1987-05-22 Telecommunications Sa Perfectionnement aux systemes de reception de messages transmis par modulation en position d'impulsions (ppm)
DE3628740A1 (de) * 1986-08-23 1988-02-25 Messerschmitt Boelkow Blohm Verfahren zur unterdrueckung gegenseitiger stoerungen bei pulsverarbeitenden systemen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB957811A (en) * 1962-02-27 1964-05-13 Herman Lindars Improvements in or relating to apparatus for determining the repetition frequency ofpulse signals
US3304504A (en) * 1964-12-14 1967-02-14 Frank J Horlander Gate generator synchronizer
FR1488289A (fr) * 1966-04-04 1967-07-13 Cit Alcatel Procédé et dispositif pour l'identification des fréquences par des circuits logiques
US3566081A (en) * 1967-12-05 1971-02-23 Telecredit Monetary transaction regulation apparatus
US3686565A (en) * 1970-12-01 1972-08-22 Us Army Frequency detector

Also Published As

Publication number Publication date
US3811034A (en) 1974-05-14
DE2215459A1 (de) 1972-10-12
CH555623A (de) 1974-10-31
GB1337898A (en) 1973-11-21

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BV The patent application has lapsed