G06G

ANALOGUE COMPUTERS analogue optical computing devices G06E3/00

In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.

G06G1/00

Hand manipulated computing devices planimeters G01B5/26

G06G1/0005

characterised by a specific application

G06G1/001

for medical purposes, for biological purposes

G06G1/0015

for computing periodic phenomena, e.g. fertility periods

G06G1/0021

for civil engineering

G06G1/0026

for machining

G06G1/0031

for hydraulics

G06G1/0036

for electricity, for electronics

G06G1/0042

for optics, for photography

G06G1/0047

for printing

G06G1/0052

for air navigation or sea navigation

G06G1/0057

for gun laying, for bomb aiming

G06G1/0063

for calculating fuel consumption

G06G1/0068

for conversion from one unit system to another, e.g. from British to metric

G06G1/0073

for commerce, bank or invoicing

G06G1/0078

for calculating interests

G06G1/0084

for calculating earned incomes

G06G1/0089

for calculating taxes

G06G1/0094

for trigonometric computations

G06G1/02

Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales

G06G1/0005 takes precedence

G06G1/025

decimal point positioning devices

G06G1/04

characterised by construction G06G1/10 takes precedence

G06G1/045

with scales borne by bands

G06G1/06

with rectilinear scales, e.g. slide rule

G06G1/065

construction of the cursor

G06G1/08

with circular or helical scales

G06G1/085

borne by a cylinder

G06G1/10

characterised by the graduation

G06G1/105

linear graduations

G06G1/12

logarithmic graduations, e.g. for multiplication

G06G1/14

in which a straight or curved line has to be drawn from given points on one or more input scales to one or more points on a result scale

G06G1/16

in which a straight or curved line has to be drawn through related points on one or more families of curves

G06G3/00

Devices in which the computing operation is performed mechanically G06G1/00 takes precedence

G06G3/02

for performing additions or subtractions, e.g. differential gearing

G06G3/04

for performing multiplications or divisions, e.g. variable-ratio gearing

G06G3/06

for evaluating functions by using cams and cam followers

G06G3/08

for integrating or differentiating, e.g. by wheel and disc

G06G3/10

for simulating specific processes, systems, or devices

G06G5/00

Devices in which the computing operation is performed by means of fluid-pressure elements such elements in general F15C

G06G7/00

Devices in which the computing operation is performed by varying electric or magnetic quantities

G06G7/02

Details not covered by G06G7/04 - G06G7/10,

e.g. monitoring, construction, maintenance

G06G7/04

Input or output devices graph readers G06K11/00; function plotters, co-ordinate plotters G06K15/22,

G09G3/001

G06G7/06

Programming arrangements, e.g. plugboard for interconnecting functional units of the computer

Digital programming

hybrid computers G06J

G06G7/10

Power supply arrangements

G06G7/12

Arrangements for performing computing operations, e.g. operational amplifiers amplifiers in general H03F;

adapted for telemeasuring or for indicating or recording the results of the measurement G01D1/10, G01D1/16; for fuzzy computing G06N7/02

G06G7/122

for optimisation, e.g. least square fitting, linear programming, critical path analysis, gradient method

G06G7/14

for addition or subtraction of vector quantities G06G7/22

computing the average by addition; differential amplifiers H03F3/45

G06G7/16

for multiplication or division

G06G7/19 and G06G7/24 take precedence; measuring electric power G01R21/00

G06G7/161

with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form

pulse modulators H03K7/00

G06G7/162

using galvano- magnetic effects, e.g. Hall effect

using similar magnetic effects

G06G7/163

using a variable impedance controlled by one of the input signals, variable amplification or transfer function

G06G7/161, G06G7/162 take precedence

G06G7/164

using means for evaluating powers, e.g. quarter square multiplier evaluating powers G06G7/20

G06G7/18

for integration or differentiation

for forming integrals G06G7/19 takes precedence

G06G7/1806

with respect to a variable other than time

G06G7/1813

using electrochemical elements, e.g. solion

G06G7/182

using magnetic elements

G06G7/184

using capacitive elements

G06G7/186

using an operational amplifier comprising a capacitor or a resistor in the feedback loop

G06G7/1865

with initial condition setting

G06G7/188

using electromechanical elements

G06G7/19

for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals

for analysis or synthesis of functions using orthogonal functions Fourier or spectrum analysis G01R23/16; sound analysis or synthesis G10L

G06G7/1907

using charge transfer devices

G06G7/1914

using a magnetic medium, a linear filter

G06G7/1921

for forming Fourier integrals, harmonic analysis and synthesis spectrum analysis G01R23/00

G06G7/1928

for forming correlation integrals; for forming convolution integrals G06G7/195, G06G7/1907 and G06G7/1914 take precedence

G06G7/1935

by converting at least one the input signals into a two level signal, e.g. polarity correlators

G06G7/1942

for forming other integrals of product, e.g. orthogonal functions, Laplace, Laguerre, Walsh, Hadamard, Hilbert G06G7/195, G06G7/1907 and G06G7/1914 take precedence

G06G7/195

using electro- acoustic elements

G06G7/20

for evaluating powers, roots, polynomes, mean square values, standard deviation G06G7/122, G06G7/28 take precedence; gamma correction in television systems H04N5/20, H04N9/69

G06G7/22

for evaluating trigonometric functions

for conversion of co-ordinates

for computations involving vector quantities trigonometric computations using simultaneous equations G06G7/34

for computations in the complex plane; G06G7/20, G06G7/28 take precedence

G06G7/24

for evaluating logarithmic or exponential functions, e.g. hyperbolic functions

for multiplication, division or for evaluating powers or roots using logarithmic functions; gamma correction in television systems H04N5/20, H04N9/69

G06G7/25

for discontinuous functions, e.g. backlash, dead zone, limiting absolute value or peak value

measuring the maximum value of currents or voltages G01R19/30

G06G7/26

Arbitrary function generators

using Fourier series or other orthogonal functions G06G7/19; using curve followers G06K11/02

G06G7/28

for synthesising functions by piecewise approximation

G06G7/30

for interpolation or extrapolation G06G7/122 takes precedence

G06G7/32

for solving of equations

or inequations; for matrices

G06G7/34

of simultaneous equations G06G7/122 takes precedence

G06G7/36

of single equations of quadratic or higher degree G06G7/22, G06G7/24 take precedence

G06G7/38

of differential or integral equations

G06G7/40

of partial differential equations

of field or wave equations

simulating specific devices G06G7/48

G06G7/42

using electrolytic tank

G06G7/44

using continuous medium, current-sensitive paper

G06G7/46

using discontinuous medium, e.g. resistance network

G06G7/48

Analogue computers for specific processes, systems or devices, e.g. simulators

G06G7/485

for determining the trajectory of particles, e.g. of electrons measurement performed on radiation beams G01T1/29; processing or analysing tracks of particles G01T5/02

G06G7/50

for distribution networks, e.g. for fluids G06G7/62 takes precedence

G06G7/52

for economic systems

for statistics G06G7/122, G06G7/19 take precedence

G06G7/54

for nuclear physics, e.g. nuclear reactors, radioactive fall

processing of scintigraphic or other radio-isotope data G01T1/1647, G01T1/2992

G06G7/56

for heat flow G06G7/58 takes precedence

G06G7/57

for fluid flow G06G7/50 takes precedence

; for distribution networks

G06G7/58

for chemical processes G06G7/75 takes precedence;

for physico-chemical processes; for metallurgical processes

G06G7/60

for living beings, e.g. their nervous systems

; for problems in the medical field

G06G7/62

for electric systems or apparatus

G06G7/78 takes precedence

This group covers only computers specially adapted for electronic systems or devices

G06G7/625

for filters

for delay lines

measuring characteristics of electric networks, e.g. plotting Nyquist diagram G01R27/28

G06G7/63

for power apparatus, e.g. motors, or supply distribution networks

for control systems of electric power apparatus G06G7/66

G06G7/635

for determining the most economical distribution in power systems

G06G7/64

for non-electric machines, e.g. turbine

G06G7/66

for control systems

for optimisation G06G7/122

G06G7/68

for civil engineering structures, e.g. beam, strut, girder,

elasticity computation

G06G7/70

for vehicles, e.g. to determine permissible loading of ships

, centre of gravity, necessary fuel

G06G7/72

Flight simulator Link trainers G09B9/00

G06G7/75

for component analysis, e.g. of mixtures, of colours G06G7/122 takes precedence

; gas chromatography G01N30/00

G06G7/76

for traffic

G06G7/78

for direction-finding, locating, distance or velocity measuring, or navigation systems

G06G7/80

for gunlaying

for bomb aiming

for guiding missiles

G06G99/00

Subject matter not provided for in other groups of this subclass