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:
Sep. 04, 1979
Filed:
Jul. 29, 1977
Applicant:
Inventor:
Hansjoachim Hamisch, Berlin, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
358128 ; 1791 / ; 1791 / ; 235462 ; 250225 ; 346 / ; 350152 ; 365121 ;
Abstract
Information is converted from electrical-signal form to recorded form, or from recorded form to electrical-signal form. A beam of light emitted by a light source is split into two component light beams each having a different respective polarization plane, and the differently polarized component light beams are projected side by side onto respective adjoining portions of a recording medium.