Laser pointer
Patent 4761715 Issued on August 2, 1988. Estimated Expiration Date: 
March 25, 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.
March 25, 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 2392581 3578973 InventorAssigneeApplicationNo. 07/030178 filed on 03/25/1987US Classes:362/23, ILLUMINATED SCALE OR DIAL116/286, With illumination means362/26Edge illuminated modifier or light rod/pipeExaminersPrimary: Scott, SamuelAssistant: Kamen, Noah P. Attorney, Agent or FirmInternational ClassesG01D 7/00 (20060101)G01D 13/22 (20060101) G01D 13/00 (20060101) G01D 5/26 (20060101) G01D 5/28 (20060101) AbstractA pointer for use with an analog meter movement providing a luminous indication of the meter position. The present invention provides an analog meter movement indicator which selectively directs a laser light or other collimated beam across the contoured face or dial or an analog meter, wherein the selective movement of the light beam and the resulting luminous image is provided by a selective movement of an optical deflector mounted on the shaft of the meter movement. The optical deflector is optically energized by an externally mounted, stationary light source. As the meter movement shaft is rotated, the luminous beam image moves over the dial face according to the signal applied to the meter movement. The resulting instrument provides a dramatic indication of analog meter signal presentation. | |
