FR736674A - Perfectionnements aux appareils à calculer basés sur le principe de l'échelle logarithmique enroulée en hélice - Google Patents
Perfectionnements aux appareils à calculer basés sur le principe de l'échelle logarithmique enroulée en héliceInfo
- Publication number
- FR736674A FR736674A FR736674DA FR736674A FR 736674 A FR736674 A FR 736674A FR 736674D A FR736674D A FR 736674DA FR 736674 A FR736674 A FR 736674A
- Authority
- FR
- France
- Prior art keywords
- principle
- devices
- calculated based
- helically wound
- logarithmic scale
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06G1/08—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales
- G06G1/085—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales borne by a cylinder
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR736674T | 1932-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR736674A true FR736674A (fr) | 1932-11-26 |
Family
ID=9131351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR736674D Expired FR736674A (fr) | 1932-04-26 | 1932-04-26 | Perfectionnements aux appareils à calculer basés sur le principe de l'échelle logarithmique enroulée en hélice |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR736674A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2685410A (en) * | 1954-08-03 | Tabular calculator |
-
1932
- 1932-04-26 FR FR736674D patent/FR736674A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2685410A (en) * | 1954-08-03 | Tabular calculator |
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