The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 02, 1999
Filed:
Sep. 12, 1997
Nidek Co., Ltd., Aichi, JP;
Abstract
An optometric apparatus designed to ensure that measurement results can be readily confirmed before they are printed out, and to prevent the deletion of data due to an erroneous operation of a switch. The optometric apparatus having examining device for examining the visual function of an eye to be examined, comprising: memory for storing data on examination by the examining device; display device having a display screen for displaying the examination data; printing device for printing the examination data stored in the memory; a print switch for inputting a signal for printing the examination data to the printing device; display control circuit for displaying the examination data on the display device on the basis of the signal from the print switch; confirmation-signal generating switch for generating a confirmation signal for confirming the absence of an abnormality in the examination data; and commanding circuit for commanding the printing device to effect printing on the basis of the confirmation signal.