SE315155B - - Google Patents
Info
- Publication number
- SE315155B SE315155B SE9360/68A SE936068A SE315155B SE 315155 B SE315155 B SE 315155B SE 9360/68 A SE9360/68 A SE 9360/68A SE 936068 A SE936068 A SE 936068A SE 315155 B SE315155 B SE 315155B
- Authority
- SE
- Sweden
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Business, Economics & Management (AREA)
- Mathematical Physics (AREA)
- Computational Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9360/68A SE315155B (https=) | 1968-07-08 | 1968-07-08 | |
| US838217A US3663731A (en) | 1968-07-08 | 1969-07-01 | Apparatus for making visible magnetic fields by means of iron filings |
| DE19691933533 DE1933533A1 (de) | 1968-07-08 | 1969-07-02 | Vorrichtung zum Sichtbarmachen von magnetischen Feldern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9360/68A SE315155B (https=) | 1968-07-08 | 1968-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE315155B true SE315155B (https=) | 1969-09-22 |
Family
ID=20276478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9360/68A SE315155B (https=) | 1968-07-08 | 1968-07-08 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3663731A (https=) |
| DE (1) | DE1933533A1 (https=) |
| SE (1) | SE315155B (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3006626A1 (de) * | 1980-02-22 | 1981-08-27 | Hoechst Ag, 6000 Frankfurt | Pruefverfahren zur ermittlung der magnetischen eigenschaften ferromagnetischer pulver |
| US4971562A (en) * | 1990-05-25 | 1990-11-20 | Gleason Warren J | Didactic device to aid in understanding and teaching about electromagnetic fields and their effects |
| US5788506A (en) * | 1996-10-24 | 1998-08-04 | The New Curiosity Shop | Apparatus and method for displaying the flow of a solution in response to the movement of magnetic particles |
| JPH11241681A (ja) | 1997-12-26 | 1999-09-07 | Toyota Autom Loom Works Ltd | 圧縮機におけるシール機構の保護装置 |
| JP2011085874A (ja) * | 2009-10-14 | 2011-04-28 | Haruo Matsushima | 教材 |
| US20240261698A1 (en) * | 2023-02-07 | 2024-08-08 | Smart Subscriptions, LLC | Magnetic toy |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1549197A (en) * | 1924-09-09 | 1925-08-11 | Frank G Hanback | Magnetic toy |
| US2530013A (en) * | 1946-02-19 | 1950-11-14 | Frank G Hanback | Magnetic toy |
| US3426453A (en) * | 1967-05-22 | 1969-02-11 | Ibm | Magnetic display device |
-
1968
- 1968-07-08 SE SE9360/68A patent/SE315155B/xx unknown
-
1969
- 1969-07-01 US US838217A patent/US3663731A/en not_active Expired - Lifetime
- 1969-07-02 DE DE19691933533 patent/DE1933533A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3663731A (en) | 1972-05-16 |
| DE1933533A1 (de) | 1970-01-29 |