| Patents for 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) |
|---|
| 06/05/1990 | US4930200 Method of making an electrical filter connector |
| 05/09/1990 | EP0367348A1 Adjustable passive component |
| 04/17/1990 | US4918570 Electronic component and its production method |
| 04/10/1990 | US4916582 Electronic component and its production method |
| 03/20/1990 | US4910482 AC line filter |
| 03/13/1990 | US4908590 Chip-like LC filter |
| 03/13/1990 | US4908586 Compact encapsulated filter assembly for printed circuit boards and method of manufacture thereof |
| 02/27/1990 | US4904967 LC composite component |
| 02/20/1990 | US4903185 Filtering device of the common mode disturbances affecting the printed circuit boards of a static power converter |
| 01/17/1990 | EP0350520A1 Noise filter and method of making the same |
| 12/06/1989 | EP0344182A1 Electric gang-type capacitor system |
| 12/05/1989 | US4885559 Electric noise absorber |
| 10/04/1989 | EP0335713A1 Ferrite toroid isolator |
| 10/03/1989 | US4870729 Method of making a noise filter |
| 09/12/1989 | US4866502 RC line |
| 09/12/1989 | US4866407 Noise filter and method of making the same |
| 08/01/1989 | US4853833 Filter unit with electrochemical capacitors for a static power converter |
| 08/01/1989 | US4853824 Through-type capacitor |
| 08/01/1989 | US4853659 Planar pi-network filter assembly having capacitors formed on opposing surfaces of an inductive member |
| 07/11/1989 | US4847575 Noise filter having multiple layers rolled into an elliptical shape |
| 07/04/1989 | US4845452 Composite bead element |
| 07/04/1989 | US4845447 Video filter assembly |
| 05/23/1989 | US4833420 Low-pass filter for integrated circuit |
| 04/25/1989 | US4825185 Electric noise absorber |
| 04/12/1989 | EP0311418A2 Composite bead element |
| 04/04/1989 | US4818957 Ferrite toroid isolator |
| 03/30/1989 | DE3730303A1 Tunable helical circuit |
| 03/30/1989 | DE3730302A1 Tunable helical band-pass filter for the radio-frequency region |
| 03/07/1989 | US4810983 Chip type LC composite component |
| 01/31/1989 | US4801904 Chip-like LC filter |
| 01/25/1989 | EP0300872A1 Filtering device for common types disturbances acting on a static power converter's electronic cards |
| 01/10/1989 | US4797773 Spatial array filtering system for electrical devices |
| 01/04/1989 | EP0297565A1 Sintered ferrite body, chip inductor, and composite LC part |
| 12/15/1988 | WO1988010026A1 Electrical apparatus |
| 12/13/1988 | US4791379 Electrical filter with adjustable RC product |
| 12/06/1988 | US4789847 Filter connector |
| 12/06/1988 | CA1246162A1 Electrical apparatus connector plugs |
| 11/17/1988 | DE3717713C1 Radio interference suppression filter unit |
| 11/09/1988 | EP0289794A2 RC circuit |
| 11/01/1988 | US4782311 Three terminal filter |
| 11/01/1988 | US4782310 High frequency filter assembly for electric instrument |
| 10/27/1988 | DE3711529A1 Circuit component module for video recorder or cordless telephone - uses terminal lead frame for securing components before embedding in resin block |
| 10/12/1988 | EP0286459A1 Electrochemical capacitor filter block for static power converter |
| 10/12/1988 | EP0285610A1 Filtering of electromagnetic interference from a digital signal |
| 10/11/1988 | US4777461 LC composite component |
| 10/11/1988 | US4777460 Three-terminal type noise filter |
| 10/11/1988 | US4777458 Thin film power coupler |
| 10/11/1988 | US4777455 Power supply cord with a noise filter |
| 09/21/1988 | EP0282797A2 Construction unit for an electrical filter, and filter and apparatus connector incorporating the same |
| 08/23/1988 | US4766412 Electronic composite component having resistor element |
| 08/11/1988 | DE3801188A1 Elektrischer rauschabsorber Electrical noise absorber |
| 08/11/1988 | DE3702931A1 Electrical plug coupling |
| 08/04/1988 | DE3702663A1 Elektrische mehrfachkondensatoranordnung Electric multiple capacitor arrangement |
| 08/02/1988 | US4761623 Broadband RFI power line filter |
| 07/28/1988 | WO1988005597A1 Electric gang-type capacitor system |
| 07/26/1988 | US4760357 Noise filter with inlet socket |
| 07/26/1988 | US4760355 In a data processing system |
| 07/20/1988 | EP0275093A2 Distributed constant type noise filter |
| 07/13/1988 | EP0274347A1 Noise filter for an AC line |
| 07/12/1988 | US4757282 Line filter |
| 06/21/1988 | US4752752 Noise filter |
| 06/14/1988 | US4751479 Reducing electromagnetic interference |
| 06/07/1988 | US4750076 Geometric arrangement for filter capacitors |
| 06/07/1988 | US4749972 Power line filter for 3-phase systems |
| 05/31/1988 | CA1237489A1 Notch filter |
| 05/24/1988 | US4746557 LC composite component |
| 05/10/1988 | US4743868 High frequency filter for electric instruments |
| 04/12/1988 | US4737745 Electromagnetic interference filter assembly |
| 04/07/1988 | WO1988002576A1 Filtering of electromagnetic interference from a digital signal |
| 03/29/1988 | US4734663 Sealed filter members and process for making same |
| 03/22/1988 | US4733206 Connector plug with an integrated electrical radio frequency suppression filter |
| 03/02/1988 | EP0257179A1 Electric noise absorber |
| 03/01/1988 | US4728911 Loss-impaired filter apparatus for suppressing radio frequency interference on a two-wire line |
| 02/09/1988 | US4724406 Device for attenuating noise in electrical apparatus |
| 01/28/1988 | WO1988000761A1 Device for attenuating noise in electrical apparatus |
| 01/26/1988 | US4721870 Filtering of electromagnetic interference from a digital signal |
| 01/07/1988 | EP0250919A1 Power line filter for three-phase systems |
| 12/22/1987 | US4714905 SMC filter and method of manufacture thereof |
| 10/22/1987 | WO1987006405A1 Low-pass filtering cell for integrated circuit |
| 10/20/1987 | US4701726 Trap filter assembly |
| 10/20/1987 | US4700440 LC filter manufacturing method |
| 10/14/1987 | EP0241383A1 Low-pass filter for an integrated circuit |
| 10/13/1987 | US4700157 Connector plug having a radio frequency suppression filter |
| 10/13/1987 | US4700156 End closure for tubular capacitive filter |
| 10/13/1987 | US4700155 Feedthrough noise eliminating filter having integrally stepped mounting portion |
| 10/06/1987 | US4698605 Monolithic LC feed-through filter having a ferrite body with a re-oxidized capacitive layer |
| 09/15/1987 | US4694265 Device for filtering a high-frequency conductor susceptible to electromagnetic interference of a high-frequency space |
| 09/09/1987 | EP0235483A1 Acyclic quantizer circuit with a high operating speed |
| 09/08/1987 | US4692781 Semiconductor device with electrostatic discharge protection |
| 08/25/1987 | US4689550 Method for adjusting an electronic circuit |
| 07/21/1987 | US4682129 Thick film planar filter connector having separate ground plane shield |
| 07/21/1987 | US4682125 RF coil coupling for MRI with tuned RF rejection circuit using coax shield choke |
| 07/21/1987 | CA1224547A1 Discoid capacitor structure |
| 07/16/1987 | DE3637121A1 Electrical engineering measures for the attenuation and suppression of radio-frequency signals on electrical lines |
| 07/07/1987 | US4679013 Filtered electrical connector |
| 06/23/1987 | US4675629 Noise filter |
| 06/16/1987 | US4673900 Discoid capacitor structure |
| 06/09/1987 | US4672337 VLF/HF EMI filter |
| 05/19/1987 | US4667173 Line filter |
| 04/01/1987 | EP0216389A2 High frequency filter assembly for electric instrument |