BE741273A - - Google Patents
Info
- Publication number
- BE741273A BE741273A BE741273A BE741273A BE741273A BE 741273 A BE741273 A BE 741273A BE 741273 A BE741273 A BE 741273A BE 741273 A BE741273 A BE 741273A BE 741273 A BE741273 A BE 741273A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- G06G1/10—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)
- Measurement Of Radiation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Nuclear Medicine (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB53097/68A GB1272760A (en) | 1968-11-08 | 1968-11-08 | Circular calculator for the solution of problems connected with electromagnetic radiation penetration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE741273A true BE741273A (de) | 1970-04-16 |
Family
ID=10466632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE741273A BE741273A (de) | 1968-11-08 | 1969-11-05 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3700162A (de) |
| BE (1) | BE741273A (de) |
| CH (1) | CH524858A (de) |
| DE (1) | DE1956500A1 (de) |
| FR (1) | FR2022883A1 (de) |
| GB (1) | GB1272760A (de) |
| IL (1) | IL33305A (de) |
| LU (1) | LU59767A1 (de) |
| NL (1) | NL6916896A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3986002A (en) * | 1975-05-12 | 1976-10-12 | Demaio Dorian A | Hand-holdable laser system computer |
| NL168353C (nl) * | 1976-02-12 | 1982-03-16 | Nederlanden Staat | Rekentuig. |
| US6135348A (en) * | 1997-11-24 | 2000-10-24 | Hayes; Paul T. | Apparatus and methods for calculating gamma radiography variables |
| CN113268863B (zh) * | 2021-05-08 | 2022-11-18 | 中国辐射防护研究院 | γ放射源及电子直线加速器机房辐射屏蔽计算方法和装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1609972A (en) * | 1922-04-11 | 1926-12-07 | United States Radium Corp | Slide rule |
| US2411491A (en) * | 1944-11-23 | 1946-11-19 | Gen Aniline & Film Corp | X-ray exposure calculator |
| US2484366A (en) * | 1947-06-14 | 1949-10-11 | John W Wilson | Radiograph calculator |
| GB859063A (en) * | 1958-06-25 | 1961-01-18 | Secr Aviation | Improvements in or relating to slide-rules or calculators |
| GB901502A (en) * | 1958-09-09 | 1962-07-18 | Commissariat Energie Atomique | A slide-rule for calculations involving protective screens and radioactive sources |
-
1968
- 1968-11-08 GB GB53097/68A patent/GB1272760A/en not_active Expired
-
1969
- 1969-10-27 US US869752A patent/US3700162A/en not_active Expired - Lifetime
- 1969-11-04 IL IL33305A patent/IL33305A/en unknown
- 1969-11-05 BE BE741273A patent/BE741273A/xx unknown
- 1969-11-05 DE DE19691956500 patent/DE1956500A1/de active Pending
- 1969-11-06 FR FR6938279A patent/FR2022883A1/fr not_active Withdrawn
- 1969-11-06 LU LU59767A patent/LU59767A1/xx unknown
- 1969-11-07 CH CH1659569A patent/CH524858A/de not_active IP Right Cessation
- 1969-11-10 NL NL6916896A patent/NL6916896A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1956500A1 (de) | 1970-06-18 |
| NL6916896A (de) | 1970-05-12 |
| CH524858A (de) | 1972-06-30 |
| IL33305A0 (en) | 1970-11-30 |
| IL33305A (en) | 1972-05-30 |
| US3700162A (en) | 1972-10-24 |
| FR2022883A1 (de) | 1970-08-07 |
| GB1272760A (en) | 1972-05-03 |
| LU59767A1 (de) | 1970-01-13 |