IL43239A - Multiple slide rule for computation of check digits - Google Patents
Multiple slide rule for computation of check digitsInfo
- Publication number
- IL43239A IL43239A IL43239A IL4323973A IL43239A IL 43239 A IL43239 A IL 43239A IL 43239 A IL43239 A IL 43239A IL 4323973 A IL4323973 A IL 4323973A IL 43239 A IL43239 A IL 43239A
- Authority
- IL
- Israel
- Prior art keywords
- slide rule
- tracks
- multiple slide
- track
- sliders
- Prior art date
Links
- 235000015115 caffè latte Nutrition 0.000 claims 1
Landscapes
- Toys (AREA)
Claims (7)
1. A multiple slide rule for computation of a check digit which comprises a) a board provided on its surface with several parallel equidistant tracks such as e.g. grooves or rails, the two outermost tracks being called herein the first track and the ultimate track respectively, while one end of the tracks will be designed the "start" and the other "end", b) an equal number of longitudinal sliders each adapted to be manually moved along one of the tracks, and each having inscribed on its surface a scale of 12 equal spaces which contain one pointer in the first space and the ten digits from 0 to 9 and one empty interval arranged i the following 11 spaces according to a precalculated ordor, the numbers of sliders being one less than the digits of the number to be processed, c) a first fixed scale parallel to and adjoining the first track at its start, containing 11 equal spaces with the digits of 0 to 9 plus an empty interval arranged therein in a precalculated order, d) a second fixed scale along the total length of the ultimate track repeating several times the sequence of digits 1, 2, 3, 4, 5, 6, 7,8, 9, 0,1.
2. * A multiple slide rule as claimed in Claim 1 wherein the tracks are in the shcpe of rails raised above the surface of the rectangular board, and wherein the sliders are recessed in the shape of the cross section of the rails and slidingly arranged on the latter*
3. A multiple slide rule as claimed in Claim 1 wherein the tracks are grooves having a profile in the shape of an inverted "Τ!·, and wherein the sliders have their lower part shaped correspondingly, to enable their
4. Δ multiple slide rule as claimed in Claim 1 wherein the first fixed scale is inscribed on a slider which is positioned at the start of the first track while the remaining sliders are slidingly fastened to the tracks betwee the first and the ultimate track, the latte included,
5. A multiple slide rule as claimed in Claim 1 wherein the second fixed scale is inscribed on a slider having the length of a track and adapted to be s lidingly fastened to such tracki
6. » A multiple slide rule for computing a check digit ; substantially as hereinbefore described and illustrated in the accompanying drawing,
7. A method of computin a check digit by using the multiple slide rule, substantially as hereinbefore described and illustrated in the accompanying drawing* <¾¾^¾ ^ _ Ey GLUCKSMAN Parent Attorney For the Applicant MAES BESSE 7323
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL43239A IL43239A (en) | 1973-09-17 | 1973-09-17 | Multiple slide rule for computation of check digits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL43239A IL43239A (en) | 1973-09-17 | 1973-09-17 | Multiple slide rule for computation of check digits |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL43239A0 IL43239A0 (en) | 1973-11-28 |
| IL43239A true IL43239A (en) | 1976-10-31 |
Family
ID=11047361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL43239A IL43239A (en) | 1973-09-17 | 1973-09-17 | Multiple slide rule for computation of check digits |
Country Status (1)
| Country | Link |
|---|---|
| IL (1) | IL43239A (en) |
-
1973
- 1973-09-17 IL IL43239A patent/IL43239A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL43239A0 (en) | 1973-11-28 |
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