Repeater for radio frequency signals, and for digital television signals in particular
Abstract
The invention relates to is provided with a radiofrequency signal forwarder. The forwarder at least comprises: channel filter (71); The active filter (70), which is connected with the output filter, a cover is close to the channel filter (71); channelThe active filter (70) comprises: The amplifier (51), wherein a output to the output end of the filter; The band-pass filter (521,522); the two capacitance multiple) is the amplifier is negative feedback loop, the first capacitance (521) is covered with adjacent channel, the second capacitance (522) of the adjacent channel. The forwarder can also comprises: Converting the radiofrequency signal into the intermediate-frequency circuit (3,4), a filter (71) for converting intermediate frequency signal; filteringConverting the signal initial frequency into the intermediate-frequency signal circuit (3,5). The invention relates with a satisfying DVB-H digital television standard mobile terminal and expanding of home forwarder.
Term
Projected expiry 19 June 2028.
- Priority
- Filed
- Granted
- Today
- Projected expiry
11 members in 6 offices
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 0756158 | France | A | |
| 2008057788 | European Patent Office (EPO) | W |
Members11
| Document | Office | Kind | |
|---|---|---|---|
| WO2009003845A2 | World Intellectual Property Organization (WIPO) | A2 | |
| WO2009003845A3 | World Intellectual Property Organization (WIPO) | A3 | |
| EP2160850A2 | European Patent Office (EPO) | A2 | |
| CN101755396A | China | A | |
| US2010240301A1 | United States of America | A1 | |
| EP2160850B1 | European Patent Office (EPO) | B1 | |
| AT492949TThis record | Austria | T | |
| ATE492949T1 | Austria | T1 | |
| DE602008004142D1 | Germany | D1 | |
| US8565671B2 | United States of America | B2 | |
| CN101755396B | China | B |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased as to paragraph 5 lit. 3 law introducing patent treatiesCeasedRER | RER |
Numbers
- Application
- 8761222
Titles2
- German
- VERSTÄRKER FÜR FUNKSIGNALE UND IM BESONDEREN FÜR DIGITALE FERNSEHSIGNALE
- English
- AMPLIFIER FOR RADIO SIGNALS AND IN PARTICULAR FOR DIGITAL TELEVISION SIGNALS
Classification
- CPC, 1
- H04B7/15578
- IPC, 4
- H03H9 64
- H04B7 15
- H04B7 155
- H04L25 20