NO178418C - Adaptive tunnel supply - Google Patents
Adaptive tunnel supplyInfo
- Publication number
- NO178418C NO178418C NO912335A NO912335A NO178418C NO 178418 C NO178418 C NO 178418C NO 912335 A NO912335 A NO 912335A NO 912335 A NO912335 A NO 912335A NO 178418 C NO178418 C NO 178418C
- Authority
- NO
- Norway
- Prior art keywords
- tunnel supply
- adaptive tunnel
- adaptive
- supply
- tunnel
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/28—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0141490A AT394797B (en) | 1990-07-03 | 1990-07-03 | ADAPTIVE TUNNEL SUPPLY |
Publications (4)
Publication Number | Publication Date |
---|---|
NO912335D0 NO912335D0 (en) | 1991-06-17 |
NO912335L NO912335L (en) | 1992-01-06 |
NO178418B NO178418B (en) | 1995-12-11 |
NO178418C true NO178418C (en) | 1996-03-20 |
Family
ID=3513372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO912335A NO178418C (en) | 1990-07-03 | 1991-06-17 | Adaptive tunnel supply |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0465457A3 (en) |
AT (1) | AT394797B (en) |
ES (1) | ES2028769T1 (en) |
FI (1) | FI913176A (en) |
GR (1) | GR920300013T1 (en) |
IE (1) | IE912140A1 (en) |
MC (1) | MC2271A1 (en) |
NO (1) | NO178418C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4335345A1 (en) * | 1993-10-16 | 1995-04-20 | Sel Alcatel Ag | Mobile base station and antenna arrangement to provide radio coverage for a tunnel |
DE19950882C2 (en) * | 1999-10-22 | 2001-10-18 | Motorola Inc | Communication system for an area with limited reception possibilities |
FR2879051B1 (en) * | 2004-12-03 | 2007-03-16 | Tdf Sa | METHOD FOR TRANSMITTING A FM BAND SIGNAL |
GB0614543D0 (en) | 2006-07-21 | 2006-08-30 | Vodafone Plc | RF Distribution |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3611139A (en) * | 1970-02-25 | 1971-10-05 | Us Navy | Orthogonal mixer f{11 {0 f{11 {0 repeater |
JPH0656977B2 (en) * | 1986-03-07 | 1994-07-27 | 日本電信電話株式会社 | Wireless repeater |
GB8629159D0 (en) * | 1986-12-05 | 1987-01-14 | British Telecomm | Mobile radio systems |
GB8809602D0 (en) * | 1988-04-22 | 1988-05-25 | British Telecomm | Mobile radio systems |
-
1990
- 1990-07-03 AT AT0141490A patent/AT394797B/en not_active IP Right Cessation
-
1991
- 1991-06-17 NO NO912335A patent/NO178418C/en unknown
- 1991-06-17 ES ES199191890124T patent/ES2028769T1/en active Pending
- 1991-06-17 EP EP19910890124 patent/EP0465457A3/en not_active Withdrawn
- 1991-06-21 IE IE214091A patent/IE912140A1/en unknown
- 1991-06-27 MC MC912198A patent/MC2271A1/en unknown
- 1991-06-28 FI FI913176A patent/FI913176A/en not_active Application Discontinuation
-
1992
- 1992-08-25 GR GR92300013T patent/GR920300013T1/en unknown
Also Published As
Publication number | Publication date |
---|---|
AT394797B (en) | 1992-06-25 |
NO912335L (en) | 1992-01-06 |
NO178418B (en) | 1995-12-11 |
EP0465457A3 (en) | 1992-09-16 |
EP0465457A2 (en) | 1992-01-08 |
NO912335D0 (en) | 1991-06-17 |
FI913176A0 (en) | 1991-06-28 |
FI913176A (en) | 1992-01-04 |
IE912140A1 (en) | 1992-01-15 |
MC2271A1 (en) | 1993-04-26 |
GR920300013T1 (en) | 1992-08-25 |
ES2028769T1 (en) | 1992-07-16 |
ATA141490A (en) | 1991-11-15 |
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