Earphone jack
Patent 6991497 Issued on January 31, 2006. Estimated Expiration Date: 
September 3, 2024. 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.
September 3, 2024. 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.InventorAssigneeApplicationNo. 10933311 filed on 09/03/2004US Classes:439/668, Having only push-pull-engaging contacts spaced along longitudinal axis of engagement (e.g., jack-type receptacle or plug)200/51.1Switch closing on coupling separationExaminersPrimary: Ta, Tho D.Assistant: Tsukerman, Larisa Attorney, Agent or FirmInternational ClassH01R 24/04AbstractAn earphone jack includes a dielectric housing, a conductive first contact set, and a conductive second contact set. The housing has a first housing portion formed with a cylindrical first plug receiving hole, and a second housing portion connected to the first housing portion and formed with a rectangular second plug receiving hole. The first contact set includes first, second and third resilient contacts, each of which has a resilient plug contacting portion that extends into the first plug receiving hole. The second contact set includes a pair of first terminals and a pair of second terminals. The first terminals extend into the second plug receiving hole, and are disposed proximate to a lower side of the second housing portion. The second terminals extend into the second plug receiving hole, and are disposed proximate to an upper side of the second housing portion. | |
