FR2364572B1 - - Google Patents
Info
- Publication number
- FR2364572B1 FR2364572B1 FR7727324A FR7727324A FR2364572B1 FR 2364572 B1 FR2364572 B1 FR 2364572B1 FR 7727324 A FR7727324 A FR 7727324A FR 7727324 A FR7727324 A FR 7727324A FR 2364572 B1 FR2364572 B1 FR 2364572B1
- Authority
- FR
- France
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/54—Intensity modulation
- H04B10/541—Digital intensity or amplitude modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/502—LED transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/564—Power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/58—Compensation for non-linear transmitter output
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Nonlinear Science (AREA)
- Optical Communication System (AREA)
- Led Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51109702A JPS5813038B2 (ja) | 1976-09-13 | 1976-09-13 | Ｌｅｄ変調方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2364572A1 FR2364572A1 (fr) | 1978-04-07 |
| FR2364572B1 true FR2364572B1 (en:Method) | 1982-11-19 |
Family
ID=14517034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7727324A Granted FR2364572A1 (fr) | 1976-09-13 | 1977-09-09 | Dispositif de telecommunications optiques |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4207459A (en:Method) |
| JP (1) | JPS5813038B2 (en:Method) |
| CA (1) | CA1087690A (en:Method) |
| DE (1) | DE2740343A1 (en:Method) |
| FR (1) | FR2364572A1 (en:Method) |
| GB (1) | GB1581238A (en:Method) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2495412A1 (fr) * | 1980-12-02 | 1982-06-04 | Thomson Csf | Systeme de transmission d'informations a modulation directe de la lumiere a liaison optique a bande passante etendue vers les frequences basses et le continu |
| SE426345B (sv) * | 1981-05-18 | 1982-12-27 | Asea Ab | Fiberoptiskt metdon for metning av fysikaliska och/eller kemiska storheter, baserat pa sensormaterial med en olinjer ljus in/ljus ut karakteristik |
| FR2556105B1 (fr) * | 1983-12-02 | 1986-08-29 | Thomson Csf | Canal de transmission optique a connecteurs electriques |
| FR2630279B1 (fr) * | 1988-04-15 | 1990-07-13 | Thomson Csf | Procede et dispositif de controle d'une liaison numerique |
| US5202783A (en) * | 1991-06-24 | 1993-04-13 | The United States Of America As Represented By The Secretary Of The Navy | Secure and programmable friendly target recognition system |
| US5941989A (en) * | 1997-01-07 | 1999-08-24 | Micron Electronics, Inc. | Apparatus for indicating power-consumption status in a computer system |
| DE19815491C2 (de) * | 1998-04-07 | 2000-04-27 | Vishay Semiconductor Gmbh | Verfahren und Schaltungsanordnung zum Ansteuern einer Luminiszenzdiode |
| JP2003134051A (ja) * | 2001-10-25 | 2003-05-09 | Opnext Japan Inc | 光受信モジュール、光受信器及び光ファイバ通信機器 |
| JP2020148706A (ja) * | 2019-03-15 | 2020-09-17 | オムロン株式会社 | 投光装置およびこれを備えたｔｏｆセンサ、距離画像生成装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3814929A (en) * | 1972-05-05 | 1974-06-04 | Sperry Rand Corp | Laser data transmitter with wide frequency bandwidth |
| US3845242A (en) * | 1972-11-21 | 1974-10-29 | Minnesota Mining & Mfg | Video signal processing system for facsimile transmission |
| US3927316A (en) * | 1974-06-07 | 1975-12-16 | Zenith Radio Corp | Wireless speaker system using infra-red link |
| US3984824A (en) * | 1975-07-25 | 1976-10-05 | The United States Of America As Represented By The Secretary Of The Army | Wide-band optical analog signal link using fiber optics |
-
1976
- 1976-09-13 JP JP51109702A patent/JPS5813038B2/ja not_active Expired
-
1977
- 1977-09-05 GB GB37046/77A patent/GB1581238A/en not_active Expired
- 1977-09-07 DE DE19772740343 patent/DE2740343A1/de not_active Ceased
- 1977-09-09 FR FR7727324A patent/FR2364572A1/fr active Granted
- 1977-09-09 US US05/831,851 patent/US4207459A/en not_active Expired - Lifetime
- 1977-09-12 CA CA286,507A patent/CA1087690A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5813038B2 (ja) | 1983-03-11 |
| US4207459A (en) | 1980-06-10 |
| JPS5335355A (en) | 1978-04-01 |
| DE2740343A1 (de) | 1978-04-06 |
| FR2364572A1 (fr) | 1978-04-07 |
| GB1581238A (en) | 1980-12-10 |
| CA1087690A (en) | 1980-10-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse | ||
| ST | Notification of lapse |