DK59606C - Anordning ved Vigesteder i Telefonnet, i hvilke der sker en Overføring af Meddelelser ved højfrekvente elektriske Bærebølger. - Google Patents
Anordning ved Vigesteder i Telefonnet, i hvilke der sker en Overføring af Meddelelser ved højfrekvente elektriske Bærebølger.Info
- Publication number
- DK59606C DK59606C DK59606DA DK59606C DK 59606 C DK59606 C DK 59606C DK 59606D A DK59606D A DK 59606DA DK 59606 C DK59606 C DK 59606C
- Authority
- DK
- Denmark
- Prior art keywords
- vigesteder
- telefonnet
- messages
- transmission
- takes place
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 239000000969 carrier Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
- H04H20/77—Wired systems using carrier waves
- H04H20/81—Wired systems using carrier waves combined with telephone network over which the broadcast is continuously available
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D17/00—Parachutes
- B64D17/40—Packs
- B64D17/52—Opening, e.g. manual
- B64D17/54—Opening, e.g. manual automatic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/14—Distribution frames
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aviation & Aerospace Engineering (AREA)
- Signal Processing (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Mobile Radio Communication Systems (AREA)
- Filters And Equalizers (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL93022A DE722609C (de) | 1937-08-05 | 1937-08-05 | Anordnung fuer Telefonnetze, in denen ausser der niederfrequenten noch eine traegerfrequente Nachrichtenuebermittlung erfolgt, insbesondere fuer Drahtfunksysteme |
DEL93947A DE756081C (de) | 1937-08-05 | 1938-01-05 | Anordnung fuer Telefonnetze, in denen ausser der niederfrequenten noch eine traegerfrequente Nachrichtenuebermittlung erfolgt, insbesondere Drahtfunksystem |
Publications (1)
Publication Number | Publication Date |
---|---|
DK59606C true DK59606C (da) | 1942-03-30 |
Family
ID=91759061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK59606D DK59606C (da) | 1937-08-05 | 1938-12-03 | Anordning ved Vigesteder i Telefonnet, i hvilke der sker en Overføring af Meddelelser ved højfrekvente elektriske Bærebølger. |
Country Status (7)
Country | Link |
---|---|
US (2) | US2235058A (enrdf_load_stackoverflow) |
BE (1) | BE431606A (enrdf_load_stackoverflow) |
CH (1) | CH205372A (enrdf_load_stackoverflow) |
DE (2) | DE722609C (enrdf_load_stackoverflow) |
DK (1) | DK59606C (enrdf_load_stackoverflow) |
FR (2) | FR841645A (enrdf_load_stackoverflow) |
NL (1) | NL51936C (enrdf_load_stackoverflow) |
-
1937
- 1937-08-05 DE DEL93022A patent/DE722609C/de not_active Expired
-
1938
- 1938-01-05 DE DEL93947A patent/DE756081C/de not_active Expired
- 1938-07-30 CH CH205372D patent/CH205372A/de unknown
- 1938-08-02 FR FR841645D patent/FR841645A/fr not_active Expired
- 1938-08-04 US US223019A patent/US2235058A/en not_active Expired - Lifetime
- 1938-12-03 DK DK59606D patent/DK59606C/da active
- 1938-12-05 NL NL90946A patent/NL51936C/nl active
- 1938-12-13 BE BE431606A patent/BE431606A/fr unknown
- 1938-12-15 FR FR50085D patent/FR50085E/fr not_active Expired
-
1939
- 1939-01-12 US US250460A patent/US2212256A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2235058A (en) | 1941-03-18 |
DE722609C (de) | 1942-07-13 |
FR50085E (fr) | 1939-11-20 |
US2212256A (en) | 1940-08-20 |
FR841645A (fr) | 1939-05-24 |
NL51936C (nl) | 1942-02-16 |
DE756081C (de) | 1953-09-07 |
CH205372A (de) | 1939-06-15 |
BE431606A (enrdf_load_stackoverflow) | 1939-01-31 |
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