DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY (score computers for card games A63F1/18)

Introduced: September 1968

Description

G06C covers purely mechanical digital computing machines where all arithmetic and logical operations are performed through mechanical means—such as gears, cams, levers, and linkages—without electronic components. This classification encompasses mechanical calculators, difference engines, and analogous electromechanical devices designed before the advent of electronics-based computing. Inventions in this class focus on mechanical mechanisms for implementing addition, subtraction, multiplication, division, and data storage or display through physical movement and mechanical logic.

Title

Titles differ between systems:

IPC: DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY

CPC: DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY (score computers for card games A63F1/18)

Full Title

Full titles differ between systems:

IPC:

DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY

CPC:

DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY (score computers for card games A63F1/18)

IPC and CPC are identically structured here. All 15 subcodes exist in both systems.

4 shared codes have differing titles between IPC and CPC.

Child Classifications

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G06C 1/00 Computing aids in which the computing members form at least part of the displayed result and are manipulated directly by hand, e.g. abacuses or pocket adding devices IPC+CPC Available in IPC and CPC
G06C 11/00 Output mechanisms IPC+CPC Available in IPC and CPC
G06C 13/00 Storage mechanisms (mechanical counters with input only to the lowest order G06M1/04) IPC+CPC Available in IPC and CPC
G06C 15/00 Computing mechanisms; Actuating devices therefor IPC+CPC Available in IPC and CPC
G06C 17/00 Mechanisms for converting from one notational system to another, i.e. radix conversion IPC+CPC Available in IPC and CPC
G06C 19/00 Decimal-point mechanisms; Analogous mechanisms for non-decimal notations IPC+CPC Available in IPC and CPC
G06C 21/00 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 G06C15/08) IPC+CPC Available in IPC and CPC
G06C 23/00 Driving mechanisms for functional elements IPC+CPC Available in IPC and CPC
G06C 25/00 Auxiliary functional arrangements, e.g. interlocks (interlocks in keyboards G06C7/04) IPC+CPC Available in IPC and CPC
G06C 27/00 Computing machines characterised by the structural interrelation of their functional units, e.g. invoicing machines IPC+CPC Available in IPC and CPC
G06C 29/00 Combinations of computing machines with other machines, e.g. with typewriter, with money-changing apparatus IPC+CPC Available in IPC and CPC
G06C 3/00 Arrangements for table look-up, e.g. menstruation table IPC+CPC Available in IPC and CPC
G06C 5/00 Non-functional elements IPC+CPC Available in IPC and CPC
G06C 7/00 Input mechanisms IPC+CPC Available in IPC and CPC
G06C 9/00 Transfer mechanisms, e.g. for transmitting figures from the input mechanism into the computing mechanism (G06C7/10, G06C11/00, G06C15/00 take precedence) IPC+CPC Available in IPC and CPC