NL229937A - - Google Patents
Info
- Publication number
- NL229937A NL229937A NL229937DA NL229937A NL 229937 A NL229937 A NL 229937A NL 229937D A NL229937D A NL 229937DA NL 229937 A NL229937 A NL 229937A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/06—Adjustable resistors adjustable by short-circuiting different amounts of the resistive element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Relay Circuits (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB23755/57A GB890945A (en) | 1957-07-26 | 1957-07-26 | Improvements in and relating to electric impedances of variable value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL229937A true NL229937A (de) | 1900-01-01 |
Family
ID=10200792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL229937D NL229937A (de) | 1957-07-26 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3036263A (de) |
| BE (1) | BE569734A (de) |
| CH (1) | CH366330A (de) |
| DE (1) | DE1131923B (de) |
| DK (1) | DK108458C (de) |
| FR (1) | FR1209307A (de) |
| GB (1) | GB890945A (de) |
| NL (1) | NL229937A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3274484A (en) * | 1964-05-05 | 1966-09-20 | Lory | Power control network |
| FR2504273A1 (fr) * | 1981-04-21 | 1982-10-22 | Europ Composants Electron | Commutateur de mesure electrique d'impedances reactives et pont de mesure utilisant un tel commutateur |
| US4903162A (en) * | 1988-07-25 | 1990-02-20 | Kopelman Robert L | Fire-prevention electrical wiring device |
| US4952864A (en) * | 1988-10-18 | 1990-08-28 | Ventritex | Power supply down-conversion, regulation and low battery detection system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1350279A (en) * | 1918-02-07 | 1920-08-17 | Western Union Telegraph Co | Adjustable condenser |
| US1422549A (en) * | 1918-08-14 | 1922-07-11 | Western Electric Co | Multiple switch |
| US2762038A (en) * | 1952-06-11 | 1956-09-04 | Underwood Corp | Voltage measuring device |
| US2752093A (en) * | 1952-07-18 | 1956-06-26 | Teleregister Corp | Indicator device and analogue computer circuit |
-
0
- BE BE569734D patent/BE569734A/xx unknown
- NL NL229937D patent/NL229937A/xx unknown
-
1957
- 1957-07-26 GB GB23755/57A patent/GB890945A/en not_active Expired
-
1958
- 1958-07-22 US US750197A patent/US3036263A/en not_active Expired - Lifetime
- 1958-07-25 FR FR1209307D patent/FR1209307A/fr not_active Expired
- 1958-07-25 DE DES59156A patent/DE1131923B/de active Pending
- 1958-07-26 DK DK274758AA patent/DK108458C/da active
- 1958-07-26 CH CH6227358A patent/CH366330A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB890945A (en) | 1962-03-07 |
| US3036263A (en) | 1962-05-22 |
| CH366330A (de) | 1962-12-31 |
| DE1131923B (de) | 1962-06-20 |
| DK108458C (da) | 1967-12-18 |
| BE569734A (de) | 1900-01-01 |
| FR1209307A (fr) | 1960-03-01 |