DK49973C - Electrical Resistance with Negative Temperature Coefficient. - Google Patents
Electrical Resistance with Negative Temperature Coefficient.Info
- Publication number
- DK49973C DK49973C DK49973DA DK49973C DK 49973 C DK49973 C DK 49973C DK 49973D A DK49973D A DK 49973DA DK 49973 C DK49973 C DK 49973C
- Authority
- DK
- Denmark
- Prior art keywords
- electrical resistance
- temperature coefficient
- negative temperature
- negative
- coefficient
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/30—Apparatus or processes specially adapted for manufacturing resistors adapted for baking
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/04—Iron-filament ballast resistors; Other resistors having variable temperature coefficient
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Thermistors And Varistors (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Emergency Protection Circuit Devices (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP65809D DE670511C (en) | 1932-08-09 | 1932-08-09 | Variator tubes, especially ferrous hydrogen resistance |
DEP67972D DE665183C (en) | 1932-08-09 | 1933-08-03 | Process for the production of electrical resistance bodies from uranium dioxide |
Publications (1)
Publication Number | Publication Date |
---|---|
DK49973C true DK49973C (en) | 1935-03-04 |
Family
ID=34066213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK49973D DK49973C (en) | 1932-08-09 | 1933-07-21 | Electrical Resistance with Negative Temperature Coefficient. |
Country Status (5)
Country | Link |
---|---|
AT (2) | AT140134B (en) |
CH (1) | CH169476A (en) |
DE (2) | DE670511C (en) |
DK (1) | DK49973C (en) |
GB (1) | GB409174A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE968303C (en) * | 1942-06-19 | 1958-02-06 | Aeg | Circuit breaker interlock |
-
1932
- 1932-08-09 DE DEP65809D patent/DE670511C/en not_active Expired
-
1933
- 1933-07-21 AT AT140134D patent/AT140134B/en active
- 1933-07-21 DK DK49973D patent/DK49973C/en active
- 1933-07-21 GB GB20646/33A patent/GB409174A/en not_active Expired
- 1933-07-21 CH CH169476D patent/CH169476A/en unknown
- 1933-08-03 DE DEP67972D patent/DE665183C/en not_active Expired
-
1934
- 1934-06-16 AT AT142839D patent/AT142839B/en active
Also Published As
Publication number | Publication date |
---|---|
GB409174A (en) | 1934-04-26 |
DE665183C (en) | 1938-09-19 |
AT140134B (en) | 1935-01-10 |
AT142839B (en) | 1935-09-25 |
DE670511C (en) | 1939-01-19 |
CH169476A (en) | 1934-05-31 |
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