Anemometer compensator linearizer
Patent 4122722 Issued on October 31, 1978. Estimated Expiration Date: 
March 31, 1997. 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.
March 31, 1997. 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 3710089 3750155 3754442 3781693 3861214 3906391 Logarithmic resistance-to-frequency converter Temperature measuring circuit Patent #: 3973147 InventorAssigneeApplicationNo. 05/783361 filed on 03/31/1977US Classes:374/164, With preheated sensing probe374/135, By fluid flow within or to sensor (e.g., convection, heat transfer, differential pressure)374/172, With compensation for sensor nonlinearity or lead impedance702/86, Linearization of measurement702/99TemperatureExaminersPrimary: Gill, James J.Attorney, Agent or FirmInternational ClassesG01K 7/16 (20060101)G01K 7/25 (20060101) G06G 7/00 (20060101) G06G 7/28 (20060101) G01F 1/696 (20060101) G01P 5/12 (20060101) G01P 21/00 (20060101) G01P 5/10 (20060101) G01P 21/02 (20060101) G06G 7/57 (20060101) AbstractFluid flow velocity and turbulence are computed by processing bridge excitation voltage provided in hot wire or hot film anemometry. A system utilizing a log converter circuit provides an output signal which is substantially linear with fluid temperature and a probe temperature setting potentiometer provides a signal voltage representative of the difference between hot probe operating temperature and the fluid temperature. | |
