GB0524758D0 - An enhanced filtering technique - Google Patents
An enhanced filtering techniqueInfo
- Publication number
- GB0524758D0 GB0524758D0 GB0524758A GB0524758A GB0524758D0 GB 0524758 D0 GB0524758 D0 GB 0524758D0 GB 0524758 A GB0524758 A GB 0524758A GB 0524758 A GB0524758 A GB 0524758A GB 0524758 D0 GB0524758 D0 GB 0524758D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- filtering technique
- enhanced filtering
- enhanced
- technique
- filtering
- 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
- 238000001914 filtration Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/21—Crystal tuning forks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezo-electric or electrostrictive material
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezo-electric or electrostrictive material
- H03H9/545—Filters comprising resonators of piezo-electric or electrostrictive material including active elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezo-electric or electrostrictive material
- H03H9/58—Multiple crystal filters
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0524758A GB2433367B (en) | 2005-12-03 | 2005-12-03 | Filter using tuning fork crystals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0524758A GB2433367B (en) | 2005-12-03 | 2005-12-03 | Filter using tuning fork crystals |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0524758D0 true GB0524758D0 (en) | 2006-01-11 |
GB2433367A GB2433367A (en) | 2007-06-20 |
GB2433367B GB2433367B (en) | 2010-11-10 |
Family
ID=35686076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0524758A Active GB2433367B (en) | 2005-12-03 | 2005-12-03 | Filter using tuning fork crystals |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2433367B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201116434D0 (en) * | 2011-09-22 | 2011-11-02 | Xtra Sense Ltd | A filter circuit |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2005083A (en) * | 1927-07-07 | 1935-06-18 | Rca Corp | Filter |
US2205847A (en) * | 1938-02-24 | 1940-06-25 | Rca Corp | Crystal filter |
NL282567A (en) * | 1961-08-29 | |||
CH404774A (en) * | 1963-03-25 | 1965-12-31 | Electrometre | Device for the remote transmission of signals via a supply network for electrical energy |
JPS51138363A (en) * | 1975-05-26 | 1976-11-29 | Noto Denshi Kogyo Kk | Band-pass filter using a piezoelectric tunig furk |
CH617297A5 (en) * | 1977-09-30 | 1980-05-14 | Straumann Inst Ag | Electromechanical oscillator, particularly for a band-pass filter of a remote control device |
-
2005
- 2005-12-03 GB GB0524758A patent/GB2433367B/en active Active
Also Published As
Publication number | Publication date |
---|---|
GB2433367B (en) | 2010-11-10 |
GB2433367A (en) | 2007-06-20 |
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