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. 02, 1977
Filed:
Mar. 26, 1976
Applicant:
Inventor:
Sidney A Wingate, Concord, MA (US);
Assignee:
Dynamics Research Corporation, Wilmington, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502 / ; 250239 ;
Abstract
A linear encoder especially adapted for location of the position of a magnetic read/write head of a disk memory system and having a modular light source and modular detector each easily replaceable and adjustable. The modularity of construction allows use of the encoder in other measuring systems of different mechanical configurations.