Distress message signal sending device
Patent 5852401 Issued on December 22, 1998. Estimated Expiration Date: 
June 23, 2017. 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.
June 23, 2017. 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 ReferencesSelf-locating remote monitoring systems Individual location system Patent #: 5652570 InventorAssigneeApplicationNo. 880909 filed on 06/23/1997US Classes:340/539.13, Tracking location (e.g., GPS, etc.)340/521, Plural diverse conditions340/522, Combined for response340/573.1, Human or animal340/604, Wetness340/825.36, Having indication or alarm (e.g., location indication)340/825.49, Location indication342/357.08Determining relative position (e.g., distance or direction)ExaminersPrimary: Hofsass, JefferyAssistant: Pope, Daryl Attorney, Agent or FirmInternational ClassG08B 001/08Foreign Application Priority Data1996-06-27 JPAbstractIn a wristwatch type distress message sending device worn by the user, a positional information generator receives GPS signals sent by a plurality of GPS satellites and generates positional information on the latitude and longitude of the position of the user. When the user meets a disaster, a distress message signal generator generates a distress message signal containing the positional information generated by the positional information generator. A sender then sends out the distress message signal by radio.Field of SearchPlural diverse conditionsCombined for response With map display At remote location WATERCRAFT ALARM OR INDICATING SYSTEMS Holdup Specific condition Having indication or alarm (e.g., location indication) Location indication Wetness Force or stress Position indicating (e.g., triangulation) Land vehicle location (e.g., bus, police car Triangulation | |
