DE3784643D1 - Funksenderempfaengersystem zur erhoehung oder zur verringerung der uebertragungskanaele. - Google Patents
Funksenderempfaengersystem zur erhoehung oder zur verringerung der uebertragungskanaele.Info
- Publication number
- DE3784643D1 DE3784643D1 DE8787117896T DE3784643T DE3784643D1 DE 3784643 D1 DE3784643 D1 DE 3784643D1 DE 8787117896 T DE8787117896 T DE 8787117896T DE 3784643 T DE3784643 T DE 3784643T DE 3784643 D1 DE3784643 D1 DE 3784643D1
- Authority
- DE
- Germany
- Prior art keywords
- increasing
- reducing
- radio receiver
- transmission channels
- receiver system
- 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 - Fee Related
Links
Classifications
-
- 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
- H04B1/74—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 for increasing reliability, e.g. using redundant or spare channels or apparatus
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61288532A JPS63141417A (ja) | 1986-12-03 | 1986-12-03 | 無線送受信装置のチャンネル増減方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3784643D1 true DE3784643D1 (de) | 1993-04-15 |
DE3784643T2 DE3784643T2 (de) | 1993-09-02 |
Family
ID=17731457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787117896T Expired - Fee Related DE3784643T2 (de) | 1986-12-03 | 1987-12-03 | Funksenderempfaengersystem zur erhoehung oder zur verringerung der uebertragungskanaele. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4965852A (de) |
EP (1) | EP0270112B1 (de) |
JP (1) | JPS63141417A (de) |
CA (1) | CA1263148A (de) |
DE (1) | DE3784643T2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5758266A (en) * | 1994-09-30 | 1998-05-26 | Qualcomm Incorporated | Multiple frequency communication device |
DE19612108A1 (de) * | 1996-03-27 | 1997-10-02 | Bosch Gmbh Robert | Punkt-zu-Mehrpunkt Funkübertragungssystem |
FI100286B (fi) * | 1996-04-01 | 1997-10-31 | Nokia Mobile Phones Ltd | Lähetin/vastaanotin RF-signaalin lähettämiseksi ja vastaanottamiseksi kahdella taajuusalueella |
FI104134B1 (fi) * | 1997-07-31 | 1999-11-15 | Nokia Networks Oy | Datan- ja virransyötön toteuttava kaapeliliitäntä |
GB9804708D0 (en) * | 1998-03-05 | 1998-04-29 | Nec Technologies Uk Ltd | Radio transmitter/reciever channel selection |
JP3608936B2 (ja) * | 1998-03-20 | 2005-01-12 | 富士通株式会社 | 多重無線送信装置,多重無線受信装置,多重無線送受信装置及び多重無線送受信システム |
JP3796372B2 (ja) * | 1999-06-07 | 2006-07-12 | シャープ株式会社 | ミリ波帯通信装置 |
US6766482B1 (en) | 2001-10-31 | 2004-07-20 | Extreme Networks | Ethernet automatic protection switching |
US20050152316A1 (en) * | 2004-01-08 | 2005-07-14 | Chien-Hsing Liao | CDMA transmitting and receiving apparatus with multiple applied interface functions and a method thereof |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL235664A (de) * | 1958-01-31 | |||
US3549811A (en) * | 1969-10-07 | 1970-12-22 | Einar Borresen | Radio transmission system |
US4039947A (en) * | 1976-06-29 | 1977-08-02 | Bell Telephone Laboratories, Incorporated | Protection switching system for microwave radio |
FR2363244A1 (fr) * | 1976-08-26 | 1978-03-24 | Thomson Csf | Systeme de transmission bilaterale entre une station principale et des stations secondaires |
US4287598A (en) * | 1979-12-17 | 1981-09-01 | Bell Telephone Laboratories, Incorporated | Cooperating arrangement for diversity stations |
US4417348A (en) * | 1981-04-30 | 1983-11-22 | Bell Telephone Laboratories, Incorporated | Errorless line protection switcher |
FR2537806B1 (fr) * | 1982-12-10 | 1985-06-14 | Thomson Csf | Dispositif de commutation pour choisir un modulateur, parmi deux, et le brancher dans un emetteur, et emetteur de television comportant un tel dispositif |
-
1986
- 1986-12-03 JP JP61288532A patent/JPS63141417A/ja active Granted
-
1987
- 1987-11-20 CA CA000552398A patent/CA1263148A/en not_active Expired
- 1987-11-25 US US07/125,233 patent/US4965852A/en not_active Expired - Fee Related
- 1987-12-03 EP EP87117896A patent/EP0270112B1/de not_active Expired - Lifetime
- 1987-12-03 DE DE8787117896T patent/DE3784643T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPS63141417A (ja) | 1988-06-13 |
US4965852A (en) | 1990-10-23 |
CA1263148C (en) | 1989-11-21 |
JPH0442855B2 (de) | 1992-07-14 |
EP0270112A2 (de) | 1988-06-08 |
CA1263148A (en) | 1989-11-21 |
EP0270112B1 (de) | 1993-03-10 |
DE3784643T2 (de) | 1993-09-02 |
EP0270112A3 (en) | 1989-07-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |