FR2322488B3 - - Google Patents
Info
- Publication number
- FR2322488B3 FR2322488B3 FR7618404A FR7618404A FR2322488B3 FR 2322488 B3 FR2322488 B3 FR 2322488B3 FR 7618404 A FR7618404 A FR 7618404A FR 7618404 A FR7618404 A FR 7618404A FR 2322488 B3 FR2322488 B3 FR 2322488B3
- Authority
- FR
- France
- Prior art keywords
- light
- receiver
- signals
- tuning scale
- emitting diodes
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/08—Constructional details, e.g. cabinet
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19757527487 DE7527487U (de) | 1975-08-30 | 1975-08-30 | Tonmodulierter lichtsender in nachrichtengeraeten |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2322488A1 FR2322488A1 (fr) | 1977-03-25 |
FR2322488B3 true FR2322488B3 (pt) | 1979-03-09 |
Family
ID=6655107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7618404A Granted FR2322488A1 (fr) | 1975-08-30 | 1976-06-17 | Emetteur de lumiere module a frequence acoustique notamment pour appareil recepteur de radio |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE836699A (pt) |
CH (1) | CH590593A5 (pt) |
DE (1) | DE7527487U (pt) |
DK (1) | DK976A (pt) |
FR (1) | FR2322488A1 (pt) |
GB (1) | GB1503265A (pt) |
IT (1) | IT219822Z2 (pt) |
NL (1) | NL7600375A (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1150715B (it) * | 1982-03-19 | 1986-12-17 | Marco Clementi | Autoradio con dispositivi che ne permettono la manovra a distanza |
GB2232290B (en) * | 1989-04-11 | 1994-02-23 | Barcrest Ltd | Relay system |
-
1975
- 1975-08-30 DE DE19757527487 patent/DE7527487U/de not_active Expired
- 1975-12-16 BE BE162794A patent/BE836699A/xx unknown
-
1976
- 1976-01-02 DK DK976A patent/DK976A/da unknown
- 1976-01-15 NL NL7600375A patent/NL7600375A/xx not_active Application Discontinuation
- 1976-03-02 CH CH259876A patent/CH590593A5/xx not_active IP Right Cessation
- 1976-03-19 GB GB1107876A patent/GB1503265A/en not_active Expired
- 1976-06-17 FR FR7618404A patent/FR2322488A1/fr active Granted
- 1976-07-19 IT IT2180076U patent/IT219822Z2/it active
Also Published As
Publication number | Publication date |
---|---|
GB1503265A (en) | 1978-03-08 |
IT219822Z2 (it) | 1993-05-18 |
BE836699A (fr) | 1976-04-16 |
DE7527487U (de) | 1976-01-02 |
CH590593A5 (pt) | 1977-08-15 |
DK976A (da) | 1977-03-01 |
FR2322488A1 (fr) | 1977-03-25 |
NL7600375A (nl) | 1977-03-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU532276B2 (en) | 2-wire data transmission | |
GB1535433A (en) | Wireless communication receiver with an arrangement for sound transmission and a remote control by means of infrared radiation | |
FR2322488B3 (pt) | ||
DE3161894D1 (en) | Device for separating two light signals emitted by two sources of different wavelengths and transmitted by the same optical fibre, and receiver comprising such a device | |
GB1295859A (pt) | ||
JPS5269506A (en) | Secondary carrier wave piling pcm-im communication system | |
ES415137A2 (es) | Sistema de intercomunicacion de radiacion limitada. | |
DE3069998D1 (en) | Method for the transmission of analog information through optical fibres and installation for carrying out the method | |
JPS52104003A (en) | Signal transmission apparatus | |
IE39093B1 (en) | Camouflaged speech signal transmission systems | |
JPS536A (en) | Different program signal transmission system | |
JPS57152244A (en) | Adjusting device for direction of signal light | |
JPS54140405A (en) | Optical communication system | |
JPS53144204A (en) | Transmitting system for optical communication circuit monitor/order signal | |
FI885324A0 (fi) | Foerfarande foer anvaendning av en saendaranlaeggning. | |
CA996190A (en) | Input circuit for optical signal receiver | |
JPS5620353A (en) | Radio transmitter-receiver | |
JPS5352002A (en) | Light transmission system | |
JPS57113642A (en) | Optical type remote controller | |
TENUTA | Electronic circuits and optical sources for fiber optic systems[Interim Report] | |
AU290374B2 (en) | Transmitter circuit for amplifying two or more carrier oscillations modulated with variable signals | |
GB898496A (en) | Improvements in or relating to speech-signal transmission systems | |
JPS52116002A (en) | Photo receiving circuit | |
JPS52108711A (en) | Non-linear emphasis fm signal transmission system | |
JPS5422101A (en) | Stereo modulation equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |