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. 24, 1987
Filed:
Jun. 10, 1985
Akio Takahama, Yokohama, JP;
Nippon Kogaku K. K., Tokyo, JP;
Abstract
A transit includes a first rotational member provided with a collimator and supported on the transit for rotation about a predetermined axis, a second rotational member supported on the transit for rotation about the predetermined axis, a detector for generating a pulse in accordance with a predetermined angle of displacement between the first rotational member and the second rotational member, a first counter for counting the number of pulses from the detector, the maximum countable pulse number of the first counter corresponding to the angle of 360.degree., the first counter generating a pulse in accordance with its counting of the maximum pulse number, and a second counter for counting the pulses from the first counter means up to a predetermined number.