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. 28, 2004
Filed:
May. 06, 2002
Applicant:
Inventors:
Rolf Wilhelm Haupt, Chalwan, HK;
Fritz Schäffel, D-86386 Eching, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04C 1/900 ; G04B 1/900 ; G04B 4/700 ;
U.S. Cl.
CPC ...
G04C 1/900 ; G04B 1/900 ; G04B 4/700 ;
Abstract
The invention relates to a novel design for a projection alarm clock for displaying various values by means of projection, using a projector with one optical unit and one optoelectrical unit for producing the images of the data to be projected.