CH592922A5 - - Google Patents
Info
- Publication number
- CH592922A5 CH592922A5 CH1424872A CH1424872A CH592922A5 CH 592922 A5 CH592922 A5 CH 592922A5 CH 1424872 A CH1424872 A CH 1424872A CH 1424872 A CH1424872 A CH 1424872A CH 592922 A5 CH592922 A5 CH 592922A5
- Authority
- CH
- Switzerland
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
- G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation
- G06G1/12—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation logarithmic graduations, e.g. for multiplication
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Pipeline Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT7065571A IT954213B (it) | 1971-11-08 | 1971-11-08 | Regolo calcolatore per il calcolo di reti di tubazioni |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH592922A5 true CH592922A5 (it) | 1977-11-15 |
Family
ID=11314184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1424872A CH592922A5 (it) | 1971-11-08 | 1972-09-29 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH592922A5 (it) |
| DE (1) | DE2254112A1 (it) |
| FR (1) | FR2159285B1 (it) |
| IT (1) | IT954213B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1555689A (en) * | 1976-10-01 | 1979-11-14 | Foseco Int | Calculating apparatus |
-
1971
- 1971-11-08 IT IT7065571A patent/IT954213B/it active
-
1972
- 1972-09-29 CH CH1424872A patent/CH592922A5/xx not_active IP Right Cessation
- 1972-11-02 FR FR7238790A patent/FR2159285B1/fr not_active Expired
- 1972-11-04 DE DE19722254112 patent/DE2254112A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR2159285A1 (it) | 1973-06-22 |
| IT954213B (it) | 1973-08-30 |
| FR2159285B1 (it) | 1976-08-20 |
| DE2254112A1 (de) | 1973-05-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |