MEASURING INSTRUMENT FOR FORWARD TILTING ANGLE OF EYE GLASSES AND MEASURING METHOD FOR FORWARD TILTING ANGLE OF EYE GLASSES

PROBLEM TO BE SOLVED: To provide a measuring instrument for forward tilting angle of eye glasses and a measuring method for forward tilting angle of eye glasses for measuring a forward tilting angle of eye glasses simply and accurately irrespective of a simple and inexpensive configuration of the me...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAHASHI HISASHI, IESATO KENJI, NAGAYAMA KUNIO, KURAHASHI HAJIME
Format:	Patent
Sprache:	eng
Schlagworte:	CONTACT LENSES GYROSCOPIC INSTRUMENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION OPTICS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES SURVEYING TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a measuring instrument for forward tilting angle of eye glasses and a measuring method for forward tilting angle of eye glasses for measuring a forward tilting angle of eye glasses simply and accurately irrespective of a simple and inexpensive configuration of the measuring instrument. SOLUTION: This measuring instrument includes a first measuring instrument 10 constituted by forming first reference straight lines 11, 12 and a group of first tilted lines 13 being tilted for the first reference straight lines at different angles from each other on a transparent and thin plate member and forming a face on one side of the thin plate member as a sealing face to be stuck on a side face of a frame. COPYRIGHT: (C)2011,JPO&INPIT