NL81703C - - Google Patents
Info
- Publication number
- NL81703C NL81703C NL81703DA NL81703C NL 81703 C NL81703 C NL 81703C NL 81703D A NL81703D A NL 81703DA NL 81703 C NL81703 C NL 81703C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
- H01F1/0311—Compounds
- H01F1/0313—Oxidic compounds
- H01F1/0315—Ferrites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
- H01F29/146—Constructional details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
-
- 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
- H01J29/66—Magnetic lenses using electromagnetic means only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Coils Or Transformers For Communication (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL708133X | 1951-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL81703C true NL81703C (OSRAM) |
Family
ID=19812124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL81703D NL81703C (OSRAM) | 1951-04-23 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE976970C (OSRAM) |
| FR (1) | FR1041523A (OSRAM) |
| GB (1) | GB708133A (OSRAM) |
| NL (1) | NL81703C (OSRAM) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1064600B (de) * | 1954-07-19 | 1959-09-03 | Siemens Ag | Magnetsystem fuer Schuetze |
| DE1059197B (de) * | 1955-06-14 | 1959-06-11 | Licentia Gmbh | Schreibkopf fuer magnetische Aufzeichnungen nach dem Grenzlinien-verschiebungsverfahren |
| NL282929A (OSRAM) * | 1961-09-06 | |||
| JP2002083724A (ja) * | 2000-09-08 | 2002-03-22 | Tokin Corp | 磁芯及び磁気素子 |
| DE102004018791A1 (de) * | 2004-04-15 | 2005-11-03 | Tyco Electronics Amp Gmbh | Relaisantrieb, Relais und Bausatz für monostabiles und bistabiles Relais |
| DE102007019684A1 (de) | 2007-04-24 | 2008-11-06 | Tyco Electronics Austria Gmbh | Magnetsystem für eine elektrische Schaltvorrichtung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB406086A (en) * | 1932-11-03 | 1934-02-22 | Darwins Ltd | Improvements in or relating to permanent magnets |
| GB463783A (en) * | 1935-11-19 | 1937-04-06 | British Thomson Houston Co Ltd | Improvements relating to dynamo-electric machines and rotor elements therefor |
| DE667646C (de) * | 1935-11-22 | 1938-11-17 | Dynamit Act Ges Vormals Alfred | Laeufer bzw. Staender fuer elektrische Maschinen |
| DE846863C (de) * | 1942-08-10 | 1952-08-18 | Siemens Ag | Relais |
| CH261748A (de) * | 1944-09-28 | 1949-05-31 | Siemens Elektricitaetserzeugni | Durch ein Feld beeinflusstes Widerstandsgebilde. |
| DE862033C (de) * | 1950-09-29 | 1953-01-08 | Max Baermann | Nach dem Drehmagnetprinzip arbeitendes Anzeigegeraet |
-
0
- NL NL81703D patent/NL81703C/xx active
-
1951
- 1951-08-27 GB GB20138/51A patent/GB708133A/en not_active Expired
- 1951-09-04 FR FR1041523D patent/FR1041523A/fr not_active Expired
- 1951-09-05 DE DEN4379A patent/DE976970C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB708133A (en) | 1954-04-28 |
| FR1041523A (fr) | 1953-10-23 |
| DE976970C (de) | 1964-10-01 |