CH563622A5CH496974ACH496974ACH563622A5CH 563622 A5CH563622 A5CH 563622A5CH 496974 ACH496974 ACH 496974ACH 496974 ACH496974 ACH 496974ACH 563622 A5CH563622 A5CH 563622A5
Authority
CH
Switzerland
Application number
CH496974A
Original Assignee
Faber Castell A W
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 Faber Castell A WfiledCriticalFaber Castell A W
Publication of CH563622A5publicationCriticalpatent/CH563622A5/xx
G06F15/00—Digital computers in general; Data processing equipment in general
G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
G—PHYSICS
G06—COMPUTING OR CALCULATING; COUNTING
G06G—ANALOGUE COMPUTERS
G06G1/00—Hand manipulated computing devices
G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction