Modem having an electromagnetic shield for a controller
October 3, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesHousing for a process controller Filter apparatus Vibration absorbing case for an oscillator Method and apparatus for a PCB and I/O integrated electromagnetic containment Protective case for an industrial controller Folding electronic card assembly PCMCIA standard memory card frame Circuit board assembly Electronic system with compact card ejector Paging receiver system for receiving a paging communication signal Patent #: 5510778 InventorsAssigneeApplicationNo. 317085 filed on 10/03/1994US Classes:333/12, TRANSMISSION LINE INDUCTIVE OR RADIATION INTERFERENCE REDUCTION SYSTEMS333/182, Feedthrough type361/818, EMI375/222, Modems (data sets)455/90.3Having particular housing or support of a transceiverExaminersPrimary: Lee, BennyAssistant: Bettendorf, Justin P. Attorney, Agent or FirmForeign Patent References
International ClassH05K 009/00AbstractAn electromagnetic shield providing for input/output signal paths includes: a carrier 101 having a shielding surface 103 that has electromagnetic shielding properties; a plurality of signal paths 107 mechanically coupled to the carrier 101; a plurality of filtering elements 109 corresponding to the plurality of signal paths 107 and electrically coupled, respectively, from the plurality of signal paths 107 to the shielding surface 103; and an enclosure 101 constructed from a material having electromagnetic shielding properties and having a perimeter edge 113 that is arranged and constructed to electrically couple the enclosure 111 to the shielding surface 103 at an interface so as to sandwich the plurality of filtering elements 109 between the perimeter edge 113 and the shielding surface 103 at the interface such that the plurality of signal paths 107 pass through the interface.Field of SearchTRANSMISSION LINE INDUCTIVE OR RADIATION INTERFERENCE REDUCTION SYSTEMSFrequency domain filters utilizing only lumped parameters Feedthrough type Resiliently mounted components Monolithic structure Having significant physical structure With grounding means Specific chassis or ground Shielding EMI Modems (data sets) | |
