DE60038587D1 - Verfahren und vorrichtung zum empfang von rf signalen in einem zweiband mobiltelefon - Google Patents
Verfahren und vorrichtung zum empfang von rf signalen in einem zweiband mobiltelefonInfo
- Publication number
- DE60038587D1 DE60038587D1 DE60038587T DE60038587T DE60038587D1 DE 60038587 D1 DE60038587 D1 DE 60038587D1 DE 60038587 T DE60038587 T DE 60038587T DE 60038587 T DE60038587 T DE 60038587T DE 60038587 D1 DE60038587 D1 DE 60038587D1
- Authority
- DE
- Germany
- Prior art keywords
- twin
- signals
- receiving
- mobile phone
- band mobile
- 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 - Lifetime
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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- 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
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
-
- 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
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9900741 | 1999-01-20 | ||
FR9900741A FR2788643B1 (fr) | 1999-01-20 | 1999-01-20 | Procede et dispositif de reception d'un signal radiofrequence dans un telephone mobile |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60038587D1 true DE60038587D1 (de) | 2008-05-29 |
DE60038587T2 DE60038587T2 (de) | 2009-05-28 |
Family
ID=9541158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2000638587 Expired - Lifetime DE60038587T2 (de) | 1999-01-20 | 2000-01-14 | Verfahren und vorrichtung zum empfang von rf signalen in einem zweiband mobiltelefon |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1022861B1 (de) |
DE (1) | DE60038587T2 (de) |
FR (1) | FR2788643B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030002452A (ko) * | 2001-06-29 | 2003-01-09 | 엘지전자 주식회사 | 이동통신 단말기의 3 밴드 수신주파수 회로 |
US7660569B2 (en) | 2006-04-04 | 2010-02-09 | Qualcomm Incorporated | Methods and apparatus for digital jammer detection |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1329640C (en) * | 1987-07-24 | 1994-05-17 | Miyoshi Yamauchi | Outdoor unit low noise converter for satellite broadcast reception use |
US5809400A (en) * | 1996-06-21 | 1998-09-15 | Lucent Technologies Inc. | Intermodulation performance enhancement by dynamically controlling RF amplifier current |
-
1999
- 1999-01-20 FR FR9900741A patent/FR2788643B1/fr not_active Expired - Lifetime
-
2000
- 2000-01-14 DE DE2000638587 patent/DE60038587T2/de not_active Expired - Lifetime
- 2000-01-14 EP EP00400092A patent/EP1022861B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1022861B1 (de) | 2008-04-16 |
FR2788643A1 (fr) | 2000-07-21 |
EP1022861A1 (de) | 2000-07-26 |
FR2788643B1 (fr) | 2007-02-23 |
DE60038587T2 (de) | 2009-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: SAGEM MOBILES, PARIS, FR |
|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: MAHLER, P., DIPL.-PHYS., PAT.-ANW., 22397 HAMBURG |
|
R082 | Change of representative |
Ref document number: 1022861 Country of ref document: EP Representative=s name: PATENT- UND RECHTSANWAELTE BARDEHLE PAGENBERG, 816 |