Ultrasonic transducer probe assembly
Patent 4785816 Issued on November 22, 1988. Estimated Expiration Date: 
August 24, 2007. 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.
August 24, 2007. 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 3149255 3495147 Ultrasonic transducer Ultrasonic transducer probe drive mechanism with position sensor Ultrasonic transducer probe assembly Patent #: 4688576 InventorsAssigneeApplicationNo. 07/088628 filed on 08/24/1987US Classes:600/446, Hand-held unit310/30Solenoid and coreExaminersPrimary: Jaworski, Francis J.Attorney, Agent or FirmInternational ClassesG01N 29/24 (20060101)G01N 29/26 (20060101) AbstractAn ultrasonic transducer probe is provided, in which the transducer is oscillated by a crank shaft for sector scanning. The crank shaft is driven by a motor having a moving magnet stack assembly in a tubular set of electromagnetic coils. The motor also moves a bimetallic pin through a position sensor coil so that the position of the transducer is represented by the detected inductance change of the coil. | |
