NL87140C - - Google Patents
Info
- Publication number
- NL87140C NL87140C NL87140DA NL87140C NL 87140 C NL87140 C NL 87140C NL 87140D A NL87140D A NL 87140DA NL 87140 C NL87140 C NL 87140C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Optical Recording Or Reproduction (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Magnetic Treatment Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL766857X | 1954-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL87140C true NL87140C (mo) |
Family
ID=19827648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL87140D NL87140C (mo) | 1954-03-05 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2799813A (mo) |
| DE (1) | DE1035812B (mo) |
| FR (1) | FR1120026A (mo) |
| GB (1) | GB766857A (mo) |
| NL (1) | NL87140C (mo) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE516722A (mo) * | 1952-01-04 | |||
| US2943219A (en) * | 1955-09-19 | 1960-06-28 | Philco Corp | Beam positioning apparatus for cathode ray tubes |
| US2888634A (en) * | 1957-07-09 | 1959-05-26 | Du Mont Allen B Lab Inc | Electric circuit |
| NL7812540A (nl) * | 1978-12-27 | 1980-07-01 | Philips Nv | Kathodestraalbuis. |
| US4647887A (en) * | 1984-12-24 | 1987-03-03 | The United States Of America As Represented By The Secretary Of The Army | Lightweight cladding for magnetic circuits |
| US5014028A (en) * | 1990-04-25 | 1991-05-07 | The United States Of America As Represented By The Secretary Of The Army | Triangular section permanent magnetic structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2157182A (en) * | 1935-12-31 | 1939-05-09 | Rca Corp | Cathode ray deflecting device |
| US2339087A (en) * | 1939-06-30 | 1944-01-11 | Milwaukee Gas Specialty Co | Thermostatic control device |
| NL147275B (nl) * | 1948-07-01 | Plessey Uk Limited | Elektrische momentschakelaar voor drukknopbediening. |
-
0
- NL NL87140D patent/NL87140C/xx active
-
1955
- 1955-03-02 GB GB6177/55A patent/GB766857A/en not_active Expired
- 1955-03-02 DE DEN10284A patent/DE1035812B/de active Pending
- 1955-03-03 FR FR1120026D patent/FR1120026A/fr not_active Expired
- 1955-03-07 US US492542A patent/US2799813A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR1120026A (fr) | 1956-06-28 |
| US2799813A (en) | 1957-07-16 |
| DE1035812B (de) | 1958-08-07 |
| GB766857A (en) | 1957-01-23 |