BE773427A - Source de courant electrique - Google Patents
Source de courant electriqueInfo
- Publication number
- BE773427A BE773427A BE773427A BE773427A BE773427A BE 773427 A BE773427 A BE 773427A BE 773427 A BE773427 A BE 773427A BE 773427 A BE773427 A BE 773427A BE 773427 A BE773427 A BE 773427A
- Authority
- BE
- Belgium
- Prior art keywords
- electric current
- current source
- source
- electric
- current
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/22—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only
- G05F3/222—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
- Control Of Electrical Variables (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77815A US3624426A (en) | 1970-10-05 | 1970-10-05 | Current source for semiconductor circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
BE773427A true BE773427A (fr) | 1972-01-31 |
Family
ID=22140220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE773427A BE773427A (fr) | 1970-10-05 | 1971-10-01 | Source de courant electrique |
Country Status (11)
Country | Link |
---|---|
US (1) | US3624426A (fr) |
JP (1) | JPS5538690B1 (fr) |
KR (1) | KR780000463B1 (fr) |
BE (1) | BE773427A (fr) |
CA (1) | CA918750A (fr) |
DE (1) | DE2148880C2 (fr) |
FR (1) | FR2110210B1 (fr) |
GB (1) | GB1335289A (fr) |
IT (1) | IT939906B (fr) |
NL (1) | NL176107C (fr) |
SE (1) | SE362515B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS514019Y1 (fr) * | 1970-11-21 | 1976-02-04 | ||
NL7102199A (fr) * | 1971-02-19 | 1972-08-22 | ||
US3858062A (en) * | 1973-02-15 | 1974-12-31 | Motorola Inc | Solid state current divider |
US4471326A (en) * | 1981-04-30 | 1984-09-11 | Rca Corporation | Current supplying circuit as for an oscillator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3185858A (en) * | 1959-07-08 | 1965-05-25 | North American Aviation Inc | Bi-directional constant current device |
US3457493A (en) * | 1966-01-25 | 1969-07-22 | Beckman Instruments Inc | Multiple constant current supply |
US3509364A (en) * | 1969-03-27 | 1970-04-28 | Ibm | Video amplifier particularly adapted for integrated circuit fabrication |
-
1970
- 1970-10-05 US US77815A patent/US3624426A/en not_active Expired - Lifetime
-
1971
- 1971-04-16 CA CA110555A patent/CA918750A/en not_active Expired
- 1971-09-27 SE SE12182/71A patent/SE362515B/xx unknown
- 1971-09-30 DE DE2148880A patent/DE2148880C2/de not_active Expired
- 1971-09-30 NL NLAANVRAGE7113420,A patent/NL176107C/xx not_active IP Right Cessation
- 1971-09-30 GB GB4548871A patent/GB1335289A/en not_active Expired
- 1971-09-30 JP JP7592371A patent/JPS5538690B1/ja active Pending
- 1971-09-30 IT IT70218/71A patent/IT939906B/it active
- 1971-10-01 KR KR7101415A patent/KR780000463B1/ko active
- 1971-10-01 BE BE773427A patent/BE773427A/fr not_active IP Right Cessation
- 1971-10-01 FR FR7135538A patent/FR2110210B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT939906B (it) | 1973-02-10 |
NL7113420A (fr) | 1972-04-07 |
NL176107B (nl) | 1984-09-17 |
SE362515B (fr) | 1973-12-10 |
JPS5538690B1 (en) | 1980-10-06 |
JPS477471A (en) | 1972-04-22 |
FR2110210A1 (fr) | 1972-06-02 |
NL176107C (nl) | 1985-02-18 |
US3624426A (en) | 1971-11-30 |
GB1335289A (en) | 1973-10-24 |
DE2148880C2 (de) | 1982-06-03 |
DE2148880A1 (de) | 1972-04-06 |
CA918750A (en) | 1973-01-09 |
KR780000463B1 (en) | 1978-10-23 |
FR2110210B1 (fr) | 1974-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: WESTERN ELECTRIC CY INC. Effective date: 19841001 |