Non-contact switching device
Patent 4607160 Issued on August 19, 1986. Estimated Expiration Date: 
September 20, 2003. 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 20, 2003. 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 References 3123066 Fiber optic control modules and system employing the same Fiber optic electric switch Photoelectric switch with visible signal Patent #: 4315147 InventorAssigneeApplicationNo. 06/534099 filed on 09/20/1983US Classes:250/227.21, With light chopping or modulation250/229Light valve (e.g., iris diaphragm)ExaminersPrimary: Nelms, David C.Assistant: Gatto, J. Attorney, Agent or FirmInternational ClassG02B 6/35 (20060101)Foreign Application Priority Data1982-09-21 JPAbstractA non-contact switching device comprising a housing, a light path switching member housed within the housing, an actuator member disposed in the housing for transferring an external mechanical force to the light path switching member, a light entrance member disposed on the housing connectable to a first optical fiber for guiding light transferred from an external light source through the first optical fiber to the light path switching member, and a light exit member disposed on the housing connectable to a second optical fiber for guiding light from the light path switching member to the second optical fiber, the light path switching member being associated with the actuator member so as to switch a light path from the light entrance member to the light exit member through the light path switching member.Field of SearchLight valve (e.g., iris diaphragm) | |
