FR833355A - Réseau électrique comportant des résistances variables - Google Patents
Réseau électrique comportant des résistances variablesInfo
- Publication number
- FR833355A FR833355A FR833355DA FR833355A FR 833355 A FR833355 A FR 833355A FR 833355D A FR833355D A FR 833355DA FR 833355 A FR833355 A FR 833355A
- Authority
- FR
- France
- Prior art keywords
- electrical network
- variable resistors
- resistors
- variable
- network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0041—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using thermistors
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/24—Frequency- independent attenuators
- H03H7/25—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
- H03H7/251—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a thermistor
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Temperature (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE833355X | 1937-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR833355A true FR833355A (fr) | 1938-10-20 |
Family
ID=6759143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR833355D Expired FR833355A (fr) | 1937-02-06 | 1938-02-07 | Réseau électrique comportant des résistances variables |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT156762B (enrdf_load_stackoverflow) |
BE (1) | BE426240A (enrdf_load_stackoverflow) |
FR (1) | FR833355A (enrdf_load_stackoverflow) |
GB (1) | GB514614A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2811695A (en) * | 1954-10-18 | 1957-10-29 | Bell Telephone Labor Inc | Automatic level control |
US3522453A (en) * | 1966-07-15 | 1970-08-04 | Jerrold Electronics Corp | Variable attenuators |
-
1938
- 1938-02-07 AT AT156762D patent/AT156762B/de active
- 1938-02-07 GB GB3836/38A patent/GB514614A/en not_active Expired
- 1938-02-07 BE BE426240D patent/BE426240A/xx unknown
- 1938-02-07 FR FR833355D patent/FR833355A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB514614A (en) | 1939-11-13 |
AT156762B (de) | 1939-08-25 |
BE426240A (enrdf_load_stackoverflow) | 1938-03-31 |
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