CH504056A - Règle à calcul - Google Patents
Règle à calculInfo
- Publication number
- CH504056A CH504056A CH1788469A CH1788469A CH504056A CH 504056 A CH504056 A CH 504056A CH 1788469 A CH1788469 A CH 1788469A CH 1788469 A CH1788469 A CH 1788469A CH 504056 A CH504056 A CH 504056A
- Authority
- CH
- Switzerland
- Prior art keywords
- slide rule
- rule
- slide
- Prior art date
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
- Displays For Variable Information Using Movable Means (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1788469A CH504056A (fr) | 1969-12-01 | 1969-12-01 | Règle à calcul |
DE19702057758 DE2057758A1 (de) | 1969-12-01 | 1970-11-17 | Rechenschieber |
US90569A US3688980A (en) | 1969-12-01 | 1970-11-18 | Calculating rule |
GB5479470A GB1325479A (en) | 1969-12-01 | 1970-11-18 | Calculating rule |
FR707042733A FR2070204B3 (fr) | 1969-12-01 | 1970-11-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1788469A CH504056A (fr) | 1969-12-01 | 1969-12-01 | Règle à calcul |
Publications (1)
Publication Number | Publication Date |
---|---|
CH504056A true CH504056A (fr) | 1971-02-28 |
Family
ID=4428821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1788469A CH504056A (fr) | 1969-12-01 | 1969-12-01 | Règle à calcul |
Country Status (5)
Country | Link |
---|---|
US (1) | US3688980A (fr) |
CH (1) | CH504056A (fr) |
DE (1) | DE2057758A1 (fr) |
FR (1) | FR2070204B3 (fr) |
GB (1) | GB1325479A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2148564A (en) * | 1983-10-24 | 1985-05-30 | Herbert John Duce | Logarithmic calculating appliance |
DE102010043169A1 (de) * | 2010-10-29 | 2012-05-16 | BSH Bosch und Siemens Hausgeräte GmbH | Filtersystem für einen Staubsauger und Staubsauger |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1080811A (en) * | 1913-02-07 | 1913-12-09 | Robert Cameron Colwell | Slide-rule. |
FR813546A (fr) * | 1936-11-16 | 1937-06-03 | Barême mobile | |
US2451842A (en) * | 1944-02-10 | 1948-10-19 | Liebmann Dora Minna | Calculating instrument |
US2511270A (en) * | 1946-02-27 | 1950-06-13 | Benedict D Kahan | Slide rule |
FR931839A (fr) * | 1946-08-02 | 1948-03-04 | Mecaniques Et D Organisation I | Appareil dit ripomètre, pour la détermination des rectifications à apporter à une courbe déformée de voie ferrée |
FR1020031A (fr) * | 1950-06-12 | 1953-01-30 | Grille à calcul cylindrique par échelles logarithmiques fractionnées | |
GB778556A (en) * | 1955-03-22 | 1957-07-10 | Rafael Fischer | Improvements in or relating to calculators |
FR1165226A (fr) * | 1957-01-15 | 1958-10-20 | Règle à calculer de grande précision | |
US3147915A (en) * | 1962-03-21 | 1964-09-08 | Jr William A Cresswell | Calculator |
-
1969
- 1969-12-01 CH CH1788469A patent/CH504056A/fr not_active IP Right Cessation
-
1970
- 1970-11-17 DE DE19702057758 patent/DE2057758A1/de active Pending
- 1970-11-18 US US90569A patent/US3688980A/en not_active Expired - Lifetime
- 1970-11-18 GB GB5479470A patent/GB1325479A/en not_active Expired
- 1970-11-27 FR FR707042733A patent/FR2070204B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2070204A7 (fr) | 1971-09-10 |
DE2057758A1 (de) | 1971-06-09 |
US3688980A (en) | 1972-09-05 |
GB1325479A (en) | 1973-08-01 |
FR2070204B3 (fr) | 1973-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |