GB2433367B - Filter using tuning fork crystals - Google Patents
Filter using tuning fork crystalsInfo
- Publication number
- GB2433367B GB2433367B GB0524758A GB0524758A GB2433367B GB 2433367 B GB2433367 B GB 2433367B GB 0524758 A GB0524758 A GB 0524758A GB 0524758 A GB0524758 A GB 0524758A GB 2433367 B GB2433367 B GB 2433367B
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- tuning fork
- crystals
- fork crystals
- tuning
- 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.)
- Active
Links
- 239000013078 crystal Substances 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 piezoelectric 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 piezoelectric or electrostrictive material
- H03H9/545—Filters comprising resonators of piezoelectric or electrostrictive material including active elements
-
- 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 piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
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 GB0524758D0 (en) | 2006-01-11 |
GB2433367A GB2433367A (en) | 2007-06-20 |
GB2433367B true 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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013041828A1 (en) | 2011-09-22 | 2013-03-28 | Xtra-Sense Limited | Filter circuit with neutralised stray capacitance of a piezo - crystal |
Citations (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 |
US3221265A (en) * | 1961-08-29 | 1965-11-30 | Secr Aviation | Crystal filter circuits |
GB1042792A (en) * | 1963-03-25 | 1966-09-14 | Electrometre | Transmitting information over power supply lines |
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
Patent Citations (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 |
US3221265A (en) * | 1961-08-29 | 1965-11-30 | Secr Aviation | Crystal filter circuits |
GB1042792A (en) * | 1963-03-25 | 1966-09-14 | Electrometre | Transmitting information over power supply lines |
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 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013041828A1 (en) | 2011-09-22 | 2013-03-28 | Xtra-Sense Limited | Filter circuit with neutralised stray capacitance of a piezo - crystal |
Also Published As
Publication number | Publication date |
---|---|
GB2433367A (en) | 2007-06-20 |
GB0524758D0 (en) | 2006-01-11 |
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