GB939277A - Computers - Google Patents

Computers

Info

Publication number
GB939277A
GB939277A GB34012/61A GB3401261A GB939277A GB 939277 A GB939277 A GB 939277A GB 34012/61 A GB34012/61 A GB 34012/61A GB 3401261 A GB3401261 A GB 3401261A GB 939277 A GB939277 A GB 939277A
Authority
GB
United Kingdom
Prior art keywords
potentiometer
differential
hand wheel
register
output
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
GB34012/61A
Other languages
English (en)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB939277A publication Critical patent/GB939277A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/75—Analogue computers for specific processes, systems or devices, e.g. simulators for component analysis, e.g. of mixtures, of colours
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/462—Computing operations in or between colour spaces; Colour management systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/52—Measurement of colour; Colour measuring devices, e.g. colorimeters using colour charts
    • G01J3/524—Calibration of colorimeters
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J2003/466—Coded colour; Recognition of predetermined colour; Determining proximity to predetermined colour

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Software Systems (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
GB34012/61A 1960-09-22 1961-09-22 Computers Expired GB939277A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5781460A 1960-09-22 1960-09-22
US176202A US3233087A (en) 1960-09-22 1962-02-28 Color coordinate computer

Publications (1)

Publication Number Publication Date
GB939277A true GB939277A (en) 1963-10-09

Family

ID=26736920

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34012/61A Expired GB939277A (en) 1960-09-22 1961-09-22 Computers

Country Status (4)

Country Link
US (1) US3233087A (enExample)
CH (1) CH423313A (enExample)
GB (1) GB939277A (enExample)
NL (1) NL269517A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512893A (en) * 1967-12-18 1970-05-19 Du Pont Color difference meter
US3555262A (en) * 1968-05-07 1971-01-12 Dainippon Screen Mfg Apparatus for production of color separation records

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3048329A (en) * 1958-03-17 1962-08-07 Honeywell Regulator Co Aircraft instruments

Also Published As

Publication number Publication date
NL269517A (enExample)
US3233087A (en) 1966-02-01
CH423313A (de) 1966-10-31

Similar Documents

Publication Publication Date Title
US4060715A (en) Linearized bridge circuitry
US4518258A (en) Colour analyser
US3863489A (en) Analysis of chromatographic peaks by moments
US4621229A (en) Instrument for measuring the moisture content of solids
US5448173A (en) Triple-probe plasma measuring apparatus for correcting space potential errors
GB939277A (en) Computers
US2648253A (en) Color temperature meter and color analyzer
US4019132A (en) Method and apparatus for determining the moisture content of different kinds of materials
US3600567A (en) Method and apparatus for analog computation of concentrations
US3645633A (en) Chromacorder
US3031614A (en) Electrical measuring bridges
US3512893A (en) Color difference meter
US3632211A (en) Method and apparatus utilizing electrical resistance ratios derived from bloodless and blood data for determining the percentage oxygen saturation in blood
US2918270A (en) Weighing scale
JPH0240567A (ja) 自動校正機能付電流測定装置
US3947675A (en) Computer interactive resistance simulator (CIRS)
US3732411A (en) Signal integrating, storing and analyzing circuit
US3755680A (en) Flame color signature apparatus
US2759392A (en) Color temperature meter and color analyzer
US3653763A (en) Apparatus for the measurement of ultra-violet, visible and/or infra-red radiation
GB2076166A (en) Method of Measuring and Indicating the State of Charge of an Accumulator
USRE24969E (en) Weighing scale
JPH0357966A (ja) 微小電流測定回路
JPH0660846B2 (ja) 分光感度補正機能付光電色彩計
SU651265A1 (ru) Процентный потенциомер