CH400628A - Zeichenlesegerät zum Erkennen von die Zeichen charakterisierenden Wellenzügen - Google Patents

Zeichenlesegerät zum Erkennen von die Zeichen charakterisierenden Wellenzügen

Info

Publication number
CH400628A
CH400628A CH494360A CH494360A CH400628A CH 400628 A CH400628 A CH 400628A CH 494360 A CH494360 A CH 494360A CH 494360 A CH494360 A CH 494360A CH 400628 A CH400628 A CH 400628A
Authority
CH
Switzerland
Prior art keywords
characterizing
characters
reading device
character reading
wave trains
Prior art date
Application number
CH494360A
Other languages
English (en)
Inventor
Evan Milford Richard
Original Assignee
Gen Electric
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
Priority claimed from US810281A external-priority patent/US3111645A/en
Application filed by Gen Electric filed Critical Gen Electric
Publication of CH400628A publication Critical patent/CH400628A/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/14—Arrangements for performing computing operations, e.g. operational amplifiers for addition or subtraction 
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G06G7/1928—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals
    • 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
    • G06V30/2253—Recognition of characters printed with magnetic ink

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
  • Dc Digital Transmission (AREA)
  • Manipulation Of Pulses (AREA)
CH494360A 1959-05-01 1960-04-29 Zeichenlesegerät zum Erkennen von die Zeichen charakterisierenden Wellenzügen CH400628A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US810281A US3111645A (en) 1959-05-01 1959-05-01 Waveform recognition system
US37630A US3148336A (en) 1959-05-01 1960-06-21 Current amplifier providing sum of absolute values of signals

Publications (1)

Publication Number Publication Date
CH400628A true CH400628A (de) 1965-10-15

Family

ID=26714326

Family Applications (1)

Application Number Title Priority Date Filing Date
CH494360A CH400628A (de) 1959-05-01 1960-04-29 Zeichenlesegerät zum Erkennen von die Zeichen charakterisierenden Wellenzügen

Country Status (5)

Country Link
US (1) US3148336A (de)
CH (1) CH400628A (de)
DE (1) DE1167573B (de)
GB (1) GB893121A (de)
NL (1) NL251041A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4795923A (en) * 1987-11-25 1989-01-03 Tektronix, Inc. Adjustable delay circuit
US4797586A (en) * 1987-11-25 1989-01-10 Tektronix, Inc. Controllable delay circuit
US7199665B2 (en) * 2004-09-29 2007-04-03 Intel Corporation Single to dual non-overlapping converter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2945186A (en) * 1955-06-24 1960-07-12 Bendix Aviat Corp Transistor amplifier with variable feedback
US2860195A (en) * 1955-09-07 1958-11-11 Rca Corp Semi-conductor amplifier circuit
US2847519A (en) * 1956-02-27 1958-08-12 Rca Corp Stabilized transistor signal amplifier circuit
BE567227A (de) * 1956-03-19
US2959741A (en) * 1956-10-23 1960-11-08 Murray John Somerset Self-biased transistor amplifiers

Also Published As

Publication number Publication date
GB893121A (en) 1962-04-04
DE1167573B (de) 1964-04-09
US3148336A (en) 1964-09-08
NL251041A (de)

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