DE7527487U - Tonmodulierter lichtsender in nachrichtengeraeten - Google Patents
Tonmodulierter lichtsender in nachrichtengeraetenInfo
- Publication number
- DE7527487U DE7527487U DE19757527487 DE7527487U DE7527487U DE 7527487 U DE7527487 U DE 7527487U DE 19757527487 DE19757527487 DE 19757527487 DE 7527487 U DE7527487 U DE 7527487U DE 7527487 U DE7527487 U DE 7527487U
- Authority
- DE
- Germany
- Prior art keywords
- light
- transmitter
- light transmitter
- modulated light
- message devices
- 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
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
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)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19757527487 DE7527487U (de) | 1975-08-30 | 1975-08-30 | Tonmodulierter lichtsender in nachrichtengeraeten |
| BE162794A BE836699A (fr) | 1975-08-30 | 1975-12-16 | Emetteur de lumiere module a frequence acoustique dans un appareil de communication |
| DK976A DK976A (da) | 1975-08-30 | 1976-01-02 | Tonemoduleret lyssender i kommunikationsapparater |
| NL7600375A NL7600375A (nl) | 1975-08-30 | 1976-01-15 | Toongemoduleerde lichtzender. |
| CH259876A CH590593A5 (enrdf_load_stackoverflow) | 1975-08-30 | 1976-03-02 | |
| GB1107876A GB1503265A (en) | 1975-08-30 | 1976-03-19 | Telecommunications receiver |
| FR7618404A FR2322488A1 (fr) | 1975-08-30 | 1976-06-17 | Emetteur de lumiere module a frequence acoustique notamment pour appareil recepteur de radio |
| IT2180076U IT219822Z2 (it) | 1975-08-30 | 1976-07-19 | Trasmettit0re lumin0s0 m0dulat0a frequenza f0nica in apparecchi per telec0municazi0ni |
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 (1)
| Publication Number | Publication Date |
|---|---|
| DE7527487U true DE7527487U (de) | 1976-01-02 |
Family
ID=6655107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19757527487 Expired DE7527487U (de) | 1975-08-30 | 1975-08-30 | Tonmodulierter lichtsender in nachrichtengeraeten |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE836699A (enrdf_load_stackoverflow) |
| CH (1) | CH590593A5 (enrdf_load_stackoverflow) |
| DE (1) | DE7527487U (enrdf_load_stackoverflow) |
| DK (1) | DK976A (enrdf_load_stackoverflow) |
| FR (1) | FR2322488A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1503265A (enrdf_load_stackoverflow) |
| IT (1) | IT219822Z2 (enrdf_load_stackoverflow) |
| NL (1) | NL7600375A (enrdf_load_stackoverflow) |
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 |
|---|---|
| FR2322488A1 (fr) | 1977-03-25 |
| FR2322488B3 (enrdf_load_stackoverflow) | 1979-03-09 |
| DK976A (da) | 1977-03-01 |
| BE836699A (fr) | 1976-04-16 |
| GB1503265A (en) | 1978-03-08 |
| NL7600375A (nl) | 1977-03-02 |
| CH590593A5 (enrdf_load_stackoverflow) | 1977-08-15 |
| IT219822Z2 (it) | 1993-05-18 |
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