FR1047700A - Magnetic device with permanent excitation acting by adhesion and whose adhesion force can be eliminated - Google Patents
Magnetic device with permanent excitation acting by adhesion and whose adhesion force can be eliminatedInfo
- Publication number
- FR1047700A FR1047700A FR1047700DA FR1047700A FR 1047700 A FR1047700 A FR 1047700A FR 1047700D A FR1047700D A FR 1047700DA FR 1047700 A FR1047700 A FR 1047700A
- Authority
- FR
- France
- Prior art keywords
- adhesion
- eliminated
- magnetic device
- permanent excitation
- whose
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
- F21V21/096—Magnetic devices
- F21V21/0965—Magnetic devices for portable lighting devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0231—Magnetic circuits with PM for power or force generation
- H01F7/0252—PM holding devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1047700X | 1950-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1047700A true FR1047700A (en) | 1953-12-16 |
Family
ID=7717122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1047700D Expired FR1047700A (en) | 1950-04-22 | 1951-04-21 | Magnetic device with permanent excitation acting by adhesion and whose adhesion force can be eliminated |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1047700A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0210120A1 (en) * | 1985-05-23 | 1987-01-28 | Siemens Aktiengesellschaft | Magnet for a nuclear magnetic resonance tomograph |
US4974124A (en) * | 1990-06-05 | 1990-11-27 | Wu Ta Hsiung | Light device for a bicycle |
-
1951
- 1951-04-21 FR FR1047700D patent/FR1047700A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0210120A1 (en) * | 1985-05-23 | 1987-01-28 | Siemens Aktiengesellschaft | Magnet for a nuclear magnetic resonance tomograph |
US4706057A (en) * | 1985-05-23 | 1987-11-10 | Siemens Aktiengesellschaft | Magnet of a nuclear spin tomograph |
US4974124A (en) * | 1990-06-05 | 1990-11-27 | Wu Ta Hsiung | Light device for a bicycle |
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