GB0625062D0 - A band combining filter - Google Patents
A band combining filterInfo
- Publication number
- GB0625062D0 GB0625062D0 GBGB0625062.5A GB0625062A GB0625062D0 GB 0625062 D0 GB0625062 D0 GB 0625062D0 GB 0625062 A GB0625062 A GB 0625062A GB 0625062 D0 GB0625062 D0 GB 0625062D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- band combining
- combining filter
- filter
- band
- combining
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H7/461—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source particularly adapted for use in common antenna systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
- H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
-
- 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
- H04B1/66—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 reducing bandwidth of signals; for improving efficiency of transmission
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0625062A GB2444786B (en) | 2006-12-15 | 2006-12-15 | A band combining filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0625062A GB2444786B (en) | 2006-12-15 | 2006-12-15 | A band combining filter |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0625062D0 true GB0625062D0 (en) | 2007-01-24 |
GB2444786A GB2444786A (en) | 2008-06-18 |
GB2444786B GB2444786B (en) | 2011-10-05 |
Family
ID=37712222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0625062A Withdrawn - After Issue GB2444786B (en) | 2006-12-15 | 2006-12-15 | A band combining filter |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2444786B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8686808B2 (en) | 2011-06-01 | 2014-04-01 | Filtronic Wireless Ltd | Band combining filter |
GB2491379B (en) * | 2011-06-01 | 2017-10-11 | Filtronic Wireless Ltd | A band combining filter |
GB201119191D0 (en) * | 2011-11-07 | 2011-12-21 | Radio Design Ltd | Combining apparatus for use in signal transmitting and/or receiving apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1442904A (en) * | 1964-08-07 | 1966-06-17 | Marconi Co Ltd | Device combining radio frequency signals |
EP1104101A3 (en) * | 1999-11-26 | 2005-02-02 | Matsushita Electric Industrial Co., Ltd. | Digital signal sub-band separating / combining apparatus achieving band-separation and band-combining filtering processing with reduced amount of group delay |
SE0004481D0 (en) * | 2000-12-05 | 2000-12-05 | Ericsson Telefon Ab L M | A method and a device for tuning a cavity channel filter combiner |
-
2006
- 2006-12-15 GB GB0625062A patent/GB2444786B/en not_active Withdrawn - After Issue
Also Published As
Publication number | Publication date |
---|---|
GB2444786A (en) | 2008-06-18 |
GB2444786B (en) | 2011-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) | ||
Q107 | Correction of irregularities (according pat. rules 2007) |
Free format text: THIS APPLICATION WAS ANNOUNCED AS TERMINATED (AFTER PUBLICATION) IN PDJ NUMBER 6259 DATED 6 MAY 2009. THE APPLICATION WAS TERMINATED IN ERROR AND HAS BEEN REINSTATED UNDER THE PROVISIONS OF RULE 107 |