BE471922A - - Google Patents
Info
- Publication number
- BE471922A BE471922A BE471922DA BE471922A BE 471922 A BE471922 A BE 471922A BE 471922D A BE471922D A BE 471922DA BE 471922 A BE471922 A BE 471922A
- Authority
- BE
- Belgium
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B11/00—Generation of oscillations using a shock-excited tuned circuit
- H03B11/02—Generation of oscillations using a shock-excited tuned circuit excited by spark
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US390286A US2407288A (en) | 1941-04-25 | 1941-04-25 | Resistor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471922A true BE471922A (en, 2012) | 1947-04-30 |
Family
ID=23541861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471922D BE471922A (en, 2012) | 1941-04-25 | 1947-03-18 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2407288A (en, 2012) |
| BE (1) | BE471922A (en, 2012) |
| FR (1) | FR944647A (en, 2012) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2540600A (en) * | 1945-12-29 | 1951-02-06 | Asea Ab | Means for generating or influencing an alternating current |
| US2816997A (en) * | 1955-02-23 | 1957-12-17 | Waters Corp | Resistance thermometer |
| US3016506A (en) * | 1960-02-01 | 1962-01-09 | Specialties Dev Corp | Semi-conductive element |
| US3024435A (en) * | 1960-02-03 | 1962-03-06 | Specialties Dev Corp | Semi-conductive element |
| US3479631A (en) * | 1965-12-22 | 1969-11-18 | Owens Illinois Inc | Thermistors |
| US3381253A (en) * | 1966-03-04 | 1968-04-30 | Victory Engineering Corp | High speed wide range surface sensor thermistor |
| US3789191A (en) * | 1972-09-01 | 1974-01-29 | Ppg Industries Inc | Temperature sensor |
| US4280508A (en) * | 1979-12-27 | 1981-07-28 | Barrada M Ismail | Method for positioning a fluid withdrawing means by detecting local temperature |
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1941
- 1941-04-25 US US390286A patent/US2407288A/en not_active Expired - Lifetime
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1947
- 1947-03-18 BE BE471922D patent/BE471922A/xx unknown
- 1947-04-02 FR FR944647D patent/FR944647A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR944647A (fr) | 1949-04-11 |
| US2407288A (en) | 1946-09-10 |