IPC 6 English version G06C !A-G06C 29/00

G06-G06C02900

SECTION G– PHYSICS

G 06

COMPUTING; CALCULATING; COUNTING (score computers for games A 63 B 71/06, A 63 D 15/20, A 63 F 1/18; combinations of writing implements with computing devices B 43 K 29/08)

G 06 C

DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY (score computers for card games A 63 F 1/18; construction of keys, printing mechanisms, or other parts of general application to the typewriting or printing art B 41; keys or printing mechanisms for special applications, see the relevant subclass, e.g. G 05 G, G 06 K; cash registers G 07 G 1/00) [4]

Note

This subclass does not cover details of mechanisms covered by main groups G 06 C 9/00, G 06 C 11/00 or G 06 C 15/00, which are applicable to mechanical counters driven only through the lowest denomination. Such details are covered by subclass G 06 M.

Computing aids in which the computing members form at least part of the displayed result and are manipulated directly by hand, e.g. abacus, pocket adding device

Arrangements for table look-up, e.g. menstruation table

Non-functional elements

Housings; Frameworks

Input mechanisms (pin carriage G 06 C 13/02)

Keyboards

Interlocking devices, e.g. between keys (interlocking devices covered by this subclass, in general G 06 C 25/00)

with one set of keys for each denomination

with one set of keys for all denominations, e.g. ten-key board

Transfer of data from record carrier to computing mechanisms (sensing record carriers G 06 K 7/00)

Transfer mechanisms, e.g. transfer of a figure from a ten-key keyboard into the pin carriage

Resetting devices, e.g. for the keyboard

Transfer mechanisms, e.g. for transmitting figures from the input mechanism into the computing mechanism (G 06 C 7/10, G 06 C 11/00, G 06 C 15/00 take precedence)

Back-transfer arrangements, e.g. to transfer a value accumulated in a register back into the selection mechanism

11/

Output mechanisms (marking record carriers in general, visual presentation in general of results of the mathematical operations G 06 K)

11/

with visual indication, e.g. counter drum

11/

with printing mechanisms, e.g. for character-at-a-time or line-at-a-time printing

11/

having type hammers

11/

with punching mechanism

11/

Arrangements for feeding single sheets or continuous web or tape, e.g. ejection device (conveying record carriers G 06 K 13/00); Line-spacing devices

11/

for feeding tape

13/

Storage mechanisms (mechanical counters with input only to the lowest order G 06 M; information storage in general G 11)

13/

Operand stores, e.g. pin carriage (input mechanisms G 06 C 7/00)

13/

Print buffer stores

15/

Computing mechanisms; Actuating devices therefor (mechanisms for operating automatically upon more than two numbers otherwise than by repeated addition or subtraction G 06 C 21/00)

Note

Group G 06 C 15/02 takes precedence over groups G 06 C 15/04 to G 06 C 15/42.

15/

operating on the binary scale

15/

Adding or subtracting devices (G 06 C 15/08 takes precedence)

15/

having balance totalising; Obtaining sub-total

15/

Multiplying or dividing devices; Devices for computing the exponent or root

15/

having more than one denominational set of keys operating directly on computing mechanism

15/

having pin carriage

15/

having pin wheel, e.g. Odhner type

15/

having stepped-toothed actuating drums, e.g. Thomas type

15/

having multiplication table for forming partial products

15/

adapted for short-cut multiplication or division [2]

15/

Arrangements for two or more computing devices; Arrangements for subdivision into two or more computing mechanisms, e.g. splitting

15/

Devices for counting the cycles of operation in division or multiplication (item-counting devices G 06 C 25/02)

15/

Devices for transfer between orders, e.g. tens-transfer device

15/

where transfer is effected in one step

15/

where transfer is effected in two steps

15/

with provision for simultaneous transfer between all orders

15/

where transfer is effected by planet gear, i.e. crawl type

15/

with aligning means

15/

for pin-wheel computing mechanisms

15/

for stepped-toothed-drum computing mechanism

15/

Devices for resetting to zero or other datum

15/

Devices for comparing numerical values, e.g. zero check

15/

Arrangements for rounding-off

15/

Arrangements for selection of one out of several counting registers (arrangements for controlling subsequent operating functions G 06 C 21/04; item counters G 06 C 25/02)

17/

Mechanisms for converting from one notational system to another, i.e. radix conversion

19/

Decimal-point mechanisms; Analogous mechanisms for non-decimal notations

19/

Devices for indicating the point

19/

Devices for printing the point

21/

Programming-mechanisms for determining the steps to be performed by the computing machine, e.g. when a key or certain keys are depressed (mechanisms merely for producing multiplication by repeated addition G 06 C 15/08)

21/

in which the operation of the mechanism is determined by the position of the carriage

21/

Conditional arrangements for controlling subsequent operating functions, e.g. control arrangement triggered by a function key and depending on the condition of the register (arrangements for selection of one out of several counting registers G 06 C 15/48)

23/

Driving mechanisms for functional elements

Note

Group G 06 C 23/08 takes precedence over groups G 06 C 23/02 to G 06 C 23/06.

23/

of main shaft

23/

of pin carriage, e.g. for step-by-step movement

23/

of tabulation devices, e.g. of carriage skip

23/

Hydraulic or pneumatic actuation

25/

Auxiliary functional arrangements, e.g. interlocks (interlocks in keyboards G 06 C 7/04) [2]

25/

Item-counting devices (devices for counting the cycles of operation in division or multiplication G 06 C 15/24)

27/

Computing machines characterised by the structural interrelation of their functional units, e.g. invoicing machines

29/

Combinations of computing machines with other machines, e.g. with typewriter, with money-changing apparatus