Class   708	ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING
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ELECTRICAL HYBRID CALCULATING COMPUTER

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. (1 indent ) Plural complete computers

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. (1 indent ) Particular function performed

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.. (2 indent ) Evaluation of trigonometric function

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.. (2 indent ) Correlation, convolution, or transformation

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.. (2 indent ) Integration or differentiation

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.. (2 indent ) Multiplication or division

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.. (2 indent ) Function generation

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... (3 indent ) Piece-wise linear synthesis

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ELECTRICAL DIGITAL CALCULATING COMPUTER

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. (1 indent ) Pulse repetition rate

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.. (2 indent ) Digital differential analyzer

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.. (2 indent ) Multiplication or division

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. (1 indent ) Plural complete computers

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. (1 indent ) Combined with diverse art device

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.. (2 indent ) Checkbook

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.. (2 indent ) Writing instrument (e.g., pen)

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.. (2 indent ) Tape recorder

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.. (2 indent ) Communication device (e.g., telephone, radio, television)

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.. (2 indent ) Business device (e.g., billing, memorandum)

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.. (2 indent ) Horological device

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... (3 indent ) Calendar

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. (1 indent ) Programmable calculator

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. (1 indent ) Having specialized input

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.. (2 indent ) Having supplemental environment related input

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... (3 indent ) Cooking

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... (3 indent ) Business

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.. (2 indent ) For security

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.. (2 indent ) Input verification

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.. (2 indent ) Fraction input

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.. (2 indent ) Flexible input

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.. (2 indent ) Including specific computing system interconnection

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.. (2 indent ) Modular or overlay nonkeyboard-type information entry

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.. (2 indent ) Including specific nonkeyboard-type information entry

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.. (2 indent ) Including specific keyboard-type information entry

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... (3 indent ) Nonmechanical key actuation

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... (3 indent ) User definable key

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... (3 indent ) Plural function key

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... (3 indent ) Key sequencing (i.e., sequence defines function)

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. (1 indent ) Having specialized output

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.. (2 indent ) Having supplemental environment related output

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... (3 indent ) Teaching

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... (3 indent ) Business

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.. (2 indent ) Output verification

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.. (2 indent ) Blanking

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... (3 indent ) Zero suppression

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.. (2 indent ) Prompting

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.. (2 indent ) Selective output

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.. (2 indent ) Sequential output

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.. (2 indent ) Using particular format

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.. (2 indent ) Symbol accompanying output

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.. (2 indent ) Audio

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.. (2 indent ) Printer

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.. (2 indent ) Multiple simultaneous outputs

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. (1 indent ) Integrated circuit

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. (1 indent ) Electro-optical

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. (1 indent ) Bubble-domain

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. (1 indent ) Particular function performed

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.. (2 indent ) Absolute value or magnitude

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.. (2 indent ) Median

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.. (2 indent ) Compression/decompression

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.. (2 indent ) Format conversion

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... (3 indent ) Normalization

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.. (2 indent ) Unit conversion

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.. (2 indent ) Maximum/minimum determination

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.. (2 indent ) Scaling

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.. (2 indent ) Shifting

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.. (2 indent ) Determining number of like-valued bits in word

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.. (2 indent ) Determining number of like-valued leading or trailing bits

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.. (2 indent ) Detecting particular sequence of bits

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.. (2 indent ) Multifunctional

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... (3 indent ) Microprocessor

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... (3 indent ) Array of elements (e.g., AND/OR array, etc.)

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... (3 indent ) Pipeline

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... (3 indent ) Parallel bit input of operand

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... (3 indent ) Uses look-up table

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... (3 indent ) More than two operands

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.. (2 indent ) Random number generation

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... (3 indent ) Oscillator controlled

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... (3 indent ) Linear feedback shift register

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... (3 indent ) Plural parallel outputs bits

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... (3 indent ) Seed value controls

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... (3 indent ) Truly random number

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... (3 indent ) Plural parallel outputs

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.. (2 indent ) Function generation

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... (3 indent ) Direct digital frequency synthesizer

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... (3 indent ) Memory used to store waveshape

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... (3 indent ) Counter as source (i.e., input)

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... (3 indent ) Linear

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... (3 indent ) Circular

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... (3 indent ) Trigonometric

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... (3 indent ) Logarithmic/exponential

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.. (2 indent ) Interpolation/extrapolation

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.. (2 indent ) Filtering

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... (3 indent ) Tapped delay line

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... (3 indent ) Microprocessor

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... (3 indent ) Nonlinear (e.g., median, etc.)

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... (3 indent ) Initialization

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... (3 indent ) Finite arithmetic effect

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... (3 indent ) Delta/differential coded

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... (3 indent ) Multidimensional data

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... (3 indent ) Frequency measurement

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... (3 indent ) Coherent

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... (3 indent ) Frequency detection

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.... (4 indent ) Tone detection

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... (3 indent ) Decimation/interpolation

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... (3 indent ) Matched filter type

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... (3 indent ) By convolution

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... (3 indent ) Having multiplexing

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... (3 indent ) Wave

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... (3 indent ) Lattice

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... (3 indent ) Transversal

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... (3 indent ) Recursive

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... (3 indent ) Nontime domain

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... (3 indent ) Adaptive

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.... (4 indent ) Equalizer

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.. (2 indent ) Transform

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... (3 indent ) Multidimensional

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... (3 indent ) Discrete Cosine Transform (i.e., DCT)

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... (3 indent ) Fourier

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.... (4 indent ) Fast Fourier Transform (i.e., FFT)

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.... (4 indent ) Discrete Fourier Transform (i.e., DFT)

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.... (4 indent ) Pipeline

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.... (4 indent ) Systolic

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.... (4 indent ) Radix greater than two

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.... (4 indent ) Butterfly circuit

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... (3 indent ) Walsh

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.. (2 indent ) Convolution

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... (3 indent ) Cyclic/circular

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.. (2 indent ) Correlation

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... (3 indent ) Single bit data

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... (3 indent ) Multidimensional data

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... (3 indent ) Using tapped delay line

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... (3 indent ) Autocorrelation

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.. (2 indent ) Evaluation of trigonometric function

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... (3 indent ) Vector resolver

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.. (2 indent ) Coordinate conversion

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.. (2 indent ) Differentiation

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.. (2 indent ) Integration

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.. (2 indent ) Averaging

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.. (2 indent ) Solving equation

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.. (2 indent ) Arithmetical operation

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... (3 indent ) Residue number

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... (3 indent ) Galois field

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... (3 indent ) Multi-valued

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... (3 indent ) Incremental mode

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... (3 indent ) Floating point

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.... (4 indent ) Compensation for finite word length

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....• (5 indent ) Round off or truncation

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....• (5 indent ) Overflow or underflow

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....• (5 indent ) Sticky bit

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.... (4 indent ) Evaluation of root

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.... (4 indent ) Multiplication followed by addition

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.... (4 indent ) Reciprocal

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.... (4 indent ) Multiplication

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.... (4 indent ) Division

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.... (4 indent ) Addition or subtraction

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.... (4 indent ) Feedback

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.... (4 indent ) Parallel

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.... (4 indent ) Pipeline

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.... (4 indent ) Systolic

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.... (4 indent ) Microprocessor

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.... (4 indent ) Complex number format

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.... (4 indent ) Logarithmic format

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.... (4 indent ) Variable length or precision

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.... (4 indent ) Matrix array

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... (3 indent ) Logarithmic format

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... (3 indent ) Variable length

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... (3 indent ) Negative radix

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... (3 indent ) Matrix array

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... (3 indent ) Pipeline

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... (3 indent ) Systolic

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... (3 indent ) Multiplication followed by addition (i.e., x*y+z)

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... (3 indent ) Multiple parallel operations

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... (3 indent ) Status condition/flag generation or use

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... (3 indent ) Error detection or correction

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.... (4 indent ) Parity check

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.... (4 indent ) Residue code

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.... (4 indent ) Sequential repetition

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.... (4 indent ) Plural parallel devices

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... (3 indent ) Cathode-ray tube

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... (3 indent ) Contact-making device

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... (3 indent ) Radix point control

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... (3 indent ) Compensation for finite word length

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.... (4 indent ) Round off or truncation

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.... (4 indent ) Overflow or underflow

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....• (5 indent ) Prediction

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... (3 indent ) Sum of products generation

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... (3 indent ) All four basic functions

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... (3 indent ) Evaluation of root

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... (3 indent ) Evaluation of powers

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... (3 indent ) Multiplication of matrices

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... (3 indent ) Multiplication

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.... (4 indent ) Complex number format

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.... (4 indent ) Decimal

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.... (4 indent ) Coded decimal

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.... (4 indent ) Binary

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....• (5 indent ) Sum of cross products

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....• (5 indent ) Repeated addition

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....•. (6 indent ) Multiple digit

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....•.. (7 indent ) Carry-save adders (i.e., CSAs)

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....•.. (7 indent ) Array adders

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....•.. (7 indent ) Pipeline

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....•.. (7 indent ) Feedback

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... (3 indent ) Division

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.... (4 indent ) Decimal

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.... (4 indent ) Coded decimal

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.... (4 indent ) Binary

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....• (5 indent ) Multiplication by reciprocal

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....• (5 indent ) Repeated subtraction

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....•. (6 indent ) Multiples of divisor

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... (3 indent ) Addition/subtraction

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.... (4 indent ) Comparison

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.... (4 indent ) Incrementation/decrementation

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.... (4 indent ) Radix correction

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....• (5 indent ) Serial

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.... (4 indent ) Signal amplitude

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.... (4 indent ) Microwave

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.... (4 indent ) Cryogenic

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.... (4 indent ) By electronic tube

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.... (4 indent ) Magnetic

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.... (4 indent ) Decimal

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....• (5 indent ) Serial

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....• (5 indent ) Parallel

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.... (4 indent ) Coded decimal

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....• (5 indent ) Serial

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....• (5 indent ) Parallel

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.... (4 indent ) Binary

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....• (5 indent ) Bipolar junction transistor only or combined with Field-Effect Transistor

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....• (5 indent ) Field-Effect transistor (FET)

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....• (5 indent ) Gate functional level

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....• (5 indent ) For precharging (e.g., Manchester, etc.)

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....• (5 indent ) Serial

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....• (5 indent ) Parallel

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....•. (6 indent ) Carry-ripple

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....•. (6 indent ) Carry-save adders

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....•. (6 indent ) Adding more than two numbers

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....•. (6 indent ) Carry look-ahead

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....•.. (7 indent ) Slice block having block ripple

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....•.. (7 indent ) Slice block having block look-ahead

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....•.. (7 indent ) Tree structured logic blocks

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....•. (6 indent ) Conditional sums

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ELECTRICAL ANALOG CALCULATING COMPUTER

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. (1 indent ) Particular function performed

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.. (2 indent ) Evaluation of equation

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... (3 indent ) Simultaneous

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... (3 indent ) Differential (e.g., differential analyzer)

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.. (2 indent ) Averaging

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.. (2 indent ) Variance or standard deviation determination

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.. (2 indent ) Evaluation of root (e.g., square root)

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.. (2 indent ) Evaluation of powers

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.. (2 indent ) Coordinate conversion or vector resolver

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... (3 indent ) Electromechanical

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.. (2 indent ) Evaluation of trigonometric function

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... (3 indent ) Single triangle

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.. (2 indent ) Correlation or convolution

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... (3 indent ) Of multidimensional data

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... (3 indent ) Acoustic

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... (3 indent ) Optical

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... (3 indent ) Magnetic or electromagnetic

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... (3 indent ) Having tapped delay line

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.. (2 indent ) Filtering

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.. (2 indent ) Transform

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... (3 indent ) Fourier

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.. (2 indent ) Differentiation

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.. (2 indent ) Integrator

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... (3 indent ) Plural integration

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... (3 indent ) Plural mode (e.g., plural scale)

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... (3 indent ) Reset

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... (3 indent ) Drift correction

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... (3 indent ) Having simultaneous calculation of another function

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... (3 indent ) Having a voltage to frequency converter

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... (3 indent ) Electromechanical

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... (3 indent ) Electro-optical

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... (3 indent ) Magnetic or electromagnetic

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... (3 indent ) Amplifier with additional feedback loop

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.... (4 indent ) Additional R/C feedback loop

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.. (2 indent ) Multiplication

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... (3 indent ) Time division

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... (3 indent ) Quarter-square

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... (3 indent ) Having charging or discharging of energy storage device

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... (3 indent ) Photomultiplier

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... (3 indent ) Electromagnetic

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.... (4 indent ) Hall effect

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... (3 indent ) Electromechanical (e.g., servo-multiplier)

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... (3 indent ) With alternative division

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.. (2 indent ) Division

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.. (2 indent ) Function generation

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... (3 indent ) Piece-wise linear synthesis

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.... (4 indent ) Interpolation/extrapolation

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.... (4 indent ) Diode breakpoint

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... (3 indent ) Cathode-ray tube

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... (3 indent ) Two or more variables

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... (3 indent ) Logarithmic/exponential

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... (3 indent ) Triangular, sawtooth, or ramp

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... (3 indent ) Hyperbolic

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... (3 indent ) Electromechanical

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