(12) United States Patent (10) Patent No.: US 6,970,158 B2 Emerson (45) Date of Patent: Nov
USOO697O158B2 (12) United States Patent (10) Patent No.: US 6,970,158 B2 Emerson (45) Date of Patent: Nov. 29, 2005 (54) COMPUTER KEYBOARD PROVIDING AN (56) References Cited ALERT WHEN TYPNG IN CAPS LOCK MODE U.S. PATENT DOCUMENTS (76) Inventor: Harry E. Emerson, 27 Garden Ct., 5,034,598 A * 7/1991 Poland ........................ 341/27 Succasunna, NJ (US) 07876 5,065,155 A * 11/1991 Oogita et al. c: Notice: Subjubject to anyy discldisclaimer, theh term offth this 584.2- Y - 2 A * 2/1993 Franz et al. ................ 345/172 patent is extended or adjusted under 35 5,856,785 A 1/1999 Bowie et al. ................. 341/27 U.S.C. 154(b) by 273 days 6,320,519 B1* 11/2001 Hsu et al. ..................... 341/23 (21) Appl. No.: 10/427,591 * cited bby examiner Primary Examiner-Regina Liang (22) Filed: May 1, 2003 57 ABSTRACT (65) Prior Publication Data (57) US 2003/0206157 A1 Nov. 6, 2003 A computer keyboard providing an audible alert and a visual Related U.S. Application Data alert to the user when the keyboard is in the CAPS LOCK (60) Provisional application No. 60/377.462, filed on May mode of operation. A computer System including a computer 2, 2002, provisional application No. 60/420,161, filed keyboard providing an audible alert and a Visual alert to the on Oct. 22, 2002. user when the keyboard is in the CAPS LOCK mode of operation. A computer keyboard and a computer System (51) Int. C.7 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - G09G. 5/00 having a timer to turn off the CAPS LOCK mode after a (52) ..
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