Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators
More topics under "H03H - Impedance networks, e.g. resonant circuits; Resonators" (70,205)
H03H 1 - Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (2,020)
H03H 11 - Networks using active elements (9,098)
H03H 15 - Transversal filters (1,369)
H03H 17 - Networks using digital techniques (9,654)
H03H 19 - Networks using time-varying elements, e.g. n-path filters (1,194)
H03H 2 - Networks using elements or techniques not provided for in groups (371)
H03H 21 - Adaptive networks (3,855)
H03H 3 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators (6,646)
H03H 5 - One-port networks comprising only passive electrical elements as network components (778)
H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116)
Patents for H03H - Impedance networks, e.g. resonant circuits; Resonators (144)
04/1999
04/14/1999CN1213895A Piezoelectric resonator, method for adjusting frequency of piezoelectric resonator and communication apparatus
04/07/1999EP0907245A2 Piezoelectric resonator, method for adjusting frequency of the piezoelectric resonator and communication apparatus
04/06/1999US5892416 Piezoelectric resonator and electronic component containing same
12/1998
12/23/1998EP0759231B1 Encapsulation for electronic components
11/1998
11/24/1998CA2110218C Method of generating a correction function for an elimination of phase and amplitude errors of a compressed signal
11/03/1998US5831369 Encapsulation for electronic components and method for producing the encapsulation
10/1998
10/20/1998US5825262 Ladder filter with piezoelectric resonators each having a plurality of layers with internal electrodes
10/06/1998US5818146 Surface acoustic wave resonator filter apparatus
06/1998
06/10/1998CN1184377A Piezoelectric resonator and electronic component using the same resonator
06/03/1998EP0845859A2 Piezoelectric resonator and electronic component using the same resonator
06/03/1998CN1183674A Ladder type filter
05/1998
05/27/1998EP0844734A2 Ladder type filter
03/1998
03/18/1998EP0829957A2 Piezoelectric resonator and electronic component using the same
03/18/1998CN1176532A Piezoelectric resonator and electronic component using the same
03/04/1998EP0827273A2 Piezoelectric resonator and electronic component using the same
03/04/1998CN1175125A Piezoresonator and electronic element for using it
02/1998
02/11/1998EP0823781A2 Piezoelectric resonator, manufacturing method thereof, and electronic component using the piezoelectric resonator
02/11/1998CN1173080A Piezoeletric resonator, manufacturing method thereof and electronic component using piezoelectric resonator
02/04/1998CN1172379A Piezoelectric resonator and electronic component using the same
02/04/1998CN1172378A Piezoelectric component
01/1998
01/28/1998EP0821482A2 Piezoelectric resonator and electric component using the same
01/28/1998CN1171657A Piezoelectric resonator and electric component using same
01/21/1998EP0820144A2 Piezoelectric resonator and electric component using the same
01/14/1998EP0818881A2 Piezoelectric resonator and electronic component using the same
01/14/1998CN1170239A Piezoelectric resonator and electronic component using the same
12/1997
12/10/1997CN1167369A Piezoelectric resonator and electronic element using it
07/1997
07/02/1997EP0782256A2 Surface acoustic wave resonator filter apparatus
04/1997
04/09/1997CN1147319A Encapsulation for electronic components
02/1997
02/26/1997EP0759231A1 Encapsulation for electronic components
11/1995
11/09/1995WO1995030276A1 Encapsulation for electronic components
09/1991
09/03/1991CA1288486C Implementation and control of filters
09/03/1991CA1288483C Low frequency digital notch filter
01/1991
01/08/1991CA2020365A1 Filter
09/1990
09/05/1990CN1009519B Low frequency digital notch filter
04/1990
04/03/1990US4914401 Implementation and control of filters
12/1988
12/29/1988WO1988010534A1 A device for use at active filters and use thereof
12/21/1988EP0296131A1 Device for use at active filters and use thereof
02/1987
02/25/1987CN86105367A 低频数字陷波滤波器 Low-frequency digital notch filter
04/1986
04/15/1986US4583097 Electrical signal separating device
12/1983
12/20/1983US4422077 Electrical signal separating device for combined windshield antenna and heater grid
04/1981
04/07/1981CA1099012A1 Electrical signal separating device
02/1980
02/12/1980US4188557 Piezoelectric overtone resonator with at least a convex surface and specific thickness and diameter or diagonal
12/1979
12/18/1979US4179642 Raster correction circuit with low dissipation resistive damping
08/1977
08/16/1977US4041616 Circuit design apparatus
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