[54] BATTERY CHARGER 5,367,244 11/1994 Rose et al 320/23
5,426,371 6/1995 Salley et al 324/429
[76] Inventor: Carlos Williams. 2851 McGaw Ave., 5,633,576 5/1997 Rose et al 320/23
Irvine, Calif. 92714
[21] Appl. No.: 822y4M
[22] Filed: Mar. 21,199J
[51] Int CI.6 H02J 7/00; G01N 27/416
[52] U.S. CI 320/152; 320/DIG. 10;
324/429; 330/636
[58] Field of Search 320/48. 36, 32,
320/30, 40. 150, 152, DIG. 10, DIG. 11. DIG. 12, DIG. 13; 324/429, 431. 433; 429/61,
90; 340/636
[56] References Cited
U.S. PATENT DOCUMENTS
4,423,379 12/1983 Jacobs etal 324/429
4,740,739 4/1988 Quammen et al 320/14
4,843,299 6/1989 Hutehings 320/31
Primary Examiner—Adolf Berhane
Assistant Examiner—Gregory J. Teatley. Jr.
Attorney, Agent, or Firm—Georges A. Maxwell
[57] ABSTRACT
An emergency stop warning system for an automobile with a hydraulically operated brake system and that includes an electric power supply, a warning sound emitting electrically operated horn connected with the power supply, a normally open fluid pressure actuated switch electrically connected between the power supply and the horn and hydraulically connected with the brake system; that the hydraulically actuated switch is set to close and cause the horn to sound when fluid pressure in the braking system is increased to cause the automobile to decelerate and stop at a faster than normal rate.
18 Claims, 3 Drawing Sheets
