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:
Aug. 29, 1995
Filed:
Jun. 02, 1993
Applicant:
Inventor:
Keith A Engstrom, Laguna Niguel, CA (US);
Assignee:
Alps Electric (U.S.A.), Inc., San Jose, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912169 ; 338195 ; 29593 ; 345165 ;
Abstract
A method for producing opto-electronic devices, such as opto-mechanical mouse devices, which includes adjusting a detector signal after a detector and emitter are connected to the remaining circuitry associated with the opto-electronic device. The method also includes a rough adjustment step wherein a the detector signal is adjusted to a predetermined output voltage, and a fine adjustment step wherein an encoder is rotated between the emitter and the detector, and the circuit is adjusted such that the duty cycle of a comparator is within a desired range.