BE878965A - Procede et circuit de pilotage pour dispositifs non lineaires a seuil - Google Patents
Procede et circuit de pilotage pour dispositifs non lineaires a seuilInfo
- Publication number
- BE878965A BE878965A BE0/197285A BE197285A BE878965A BE 878965 A BE878965 A BE 878965A BE 0/197285 A BE0/197285 A BE 0/197285A BE 197285 A BE197285 A BE 197285A BE 878965 A BE878965 A BE 878965A
- Authority
- BE
- Belgium
- Prior art keywords
- circuit
- driving method
- threshold devices
- linear threshold
- linear
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
- H01S5/06216—Pulse modulation or generation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/345—Current stabilisation; Maintaining constant current
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Amplifiers (AREA)
- Optical Communication System (AREA)
- Led Devices (AREA)
- Liquid Crystal Display Device Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT69299/78A IT1108119B (it) | 1978-10-05 | 1978-10-05 | Procedimento e circuito di pilotaggio per dispositivo non lineari a soglia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE878965A true BE878965A (fr) | 1980-01-16 |
Family
ID=11311790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/197285A BE878965A (fr) | 1978-10-05 | 1979-09-24 | Procede et circuit de pilotage pour dispositifs non lineaires a seuil |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4277755A (fr) |
| JP (1) | JPS608640B2 (fr) |
| AT (1) | AT375226B (fr) |
| AU (1) | AU525230B2 (fr) |
| BE (1) | BE878965A (fr) |
| BR (1) | BR7906178A (fr) |
| CA (1) | CA1133591A (fr) |
| CH (1) | CH635465A5 (fr) |
| DE (1) | DE2940159C2 (fr) |
| DK (1) | DK151670C (fr) |
| ES (1) | ES483017A1 (fr) |
| FR (1) | FR2438293A1 (fr) |
| GB (1) | GB2036491B (fr) |
| IL (1) | IL58296A (fr) |
| IT (1) | IT1108119B (fr) |
| NL (1) | NL177166C (fr) |
| NO (1) | NO153445C (fr) |
| SE (1) | SE438583B (fr) |
| ZA (1) | ZA795061B (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385208A (en) * | 1981-04-15 | 1983-05-24 | Bell Telephone Laboratories, Incorporated | Multifrequency receiver |
| DE3219668A1 (de) * | 1982-05-26 | 1983-12-01 | Eckardt Ag, 7000 Stuttgart | Schaltung zur ansteuerung der lichtemittierenden diode eines optokopplers |
| US4598198A (en) * | 1984-05-21 | 1986-07-01 | Banner Engineering Corp. | Automatic power control for modulated LED photoelectric devices |
| DE3431996A1 (de) * | 1984-08-31 | 1986-03-13 | Fa. Carl Zeiss, 7920 Heidenheim | Stromversorgung fuer strahlungsquellen von frequenz-analogen optischen sensoren |
| US4965444A (en) * | 1988-08-17 | 1990-10-23 | Ransburg Corporation | Automatic gain control fiber optica-to-electrical transceiver |
| JPH06103830B2 (ja) * | 1989-01-19 | 1994-12-14 | 浜松ホトニクス株式会社 | 光フリップフロップ回路 |
| US7164320B2 (en) * | 2004-12-10 | 2007-01-16 | Sigmatel, Inc. | Current threshold circuit |
| US10141987B2 (en) * | 2015-05-15 | 2018-11-27 | Lg Electronics Inc. | Method for feeding back reference signal information in multi-antenna wireless communication system and apparatus therefor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB709715A (en) * | 1950-12-06 | 1954-06-02 | Emi Ltd | Improvements relating to non-linear electrical circuits |
| US2857481A (en) * | 1954-08-06 | 1958-10-21 | Bendix Aviat Corp | Automatic gain control system |
| US4009385A (en) * | 1976-03-22 | 1977-02-22 | Bell Telephone Laboratories, Incorporated | Laser control circuit |
| US4019048A (en) * | 1976-03-22 | 1977-04-19 | Bell Telephone Laboratories, Incorporated | Regenerator for an optical transmission system |
| JPS5851435B2 (ja) * | 1976-05-25 | 1983-11-16 | 富士通株式会社 | 発光素子の駆動方式 |
| GB1559511A (en) * | 1976-09-14 | 1980-01-23 | Post Office | Injection lasers |
| GB1563944A (en) * | 1977-03-29 | 1980-04-02 | Post Office | Imjection lasers |
| US4149072A (en) * | 1977-08-05 | 1979-04-10 | Minnesota Mining And Manufacturing Company | System for flat ribbon optical fiber data communications link |
-
1978
- 1978-10-05 IT IT69299/78A patent/IT1108119B/it active
-
1979
- 1979-07-31 ES ES483017A patent/ES483017A1/es not_active Expired
- 1979-09-21 IL IL58296A patent/IL58296A/xx unknown
- 1979-09-24 BE BE0/197285A patent/BE878965A/fr not_active IP Right Cessation
- 1979-09-24 GB GB7933074A patent/GB2036491B/en not_active Expired
- 1979-09-25 ZA ZA00795061A patent/ZA795061B/xx unknown
- 1979-09-25 AU AU51152/79A patent/AU525230B2/en not_active Ceased
- 1979-09-25 FR FR7923769A patent/FR2438293A1/fr active Granted
- 1979-09-26 BR BR7906178A patent/BR7906178A/pt unknown
- 1979-09-27 SE SE7908010A patent/SE438583B/sv not_active IP Right Cessation
- 1979-09-29 JP JP54124809A patent/JPS608640B2/ja not_active Expired
- 1979-10-01 CH CH881779A patent/CH635465A5/it not_active IP Right Cessation
- 1979-10-01 NL NLAANVRAGE7907277,A patent/NL177166C/xx not_active IP Right Cessation
- 1979-10-03 AT AT0645479A patent/AT375226B/de not_active IP Right Cessation
- 1979-10-03 DE DE2940159A patent/DE2940159C2/de not_active Expired
- 1979-10-03 NO NO793173A patent/NO153445C/no unknown
- 1979-10-04 CA CA336,986A patent/CA1133591A/fr not_active Expired
- 1979-10-04 US US06/081,931 patent/US4277755A/en not_active Expired - Lifetime
- 1979-10-04 DK DK415879A patent/DK151670C/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE438583B (sv) | 1985-04-22 |
| NO153445B (no) | 1985-12-09 |
| IT7869299A0 (it) | 1978-10-05 |
| AT375226B (de) | 1984-07-10 |
| NO793173L (no) | 1980-04-09 |
| CH635465A5 (it) | 1983-03-31 |
| GB2036491B (en) | 1982-12-15 |
| IL58296A0 (en) | 1979-12-30 |
| IL58296A (en) | 1982-08-31 |
| ATA645479A (de) | 1983-11-15 |
| ZA795061B (en) | 1980-09-24 |
| BR7906178A (pt) | 1980-07-15 |
| ES483017A1 (es) | 1980-03-01 |
| IT1108119B (it) | 1985-12-02 |
| DK151670C (da) | 1988-05-30 |
| GB2036491A (en) | 1980-06-25 |
| NL177166C (nl) | 1985-08-01 |
| FR2438293B1 (fr) | 1983-04-01 |
| AU525230B2 (en) | 1982-10-28 |
| DK151670B (da) | 1987-12-21 |
| DE2940159A1 (de) | 1980-04-10 |
| NL7907277A (nl) | 1980-04-09 |
| AU5115279A (en) | 1980-04-17 |
| NO153445C (no) | 1986-03-19 |
| CA1133591A (fr) | 1982-10-12 |
| US4277755A (en) | 1981-07-07 |
| JPS5558585A (en) | 1980-05-01 |
| JPS608640B2 (ja) | 1985-03-04 |
| SE7908010L (sv) | 1980-04-06 |
| DE2940159C2 (de) | 1985-08-01 |
| FR2438293A1 (fr) | 1980-04-30 |
| DK415879A (da) | 1980-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: CSELT CENTRO STUDI E LABORATORI TELECOMMUNICAZION Effective date: 19870930 |