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:
Nov. 02, 1999
Filed:
Sep. 29, 1997
Applicant:
Inventors:
Lonnie G Johnson, Smyrna, GA (US);
Yong Su, Atlanta, GA (US);
Assignee:
Johnson Research & Development Company, Inc., Smyrna, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63G / ;
U.S. Cl.
CPC ...
104 60 ; 104292 ; 104295 ; 104281 ; 446133 ; 446429 ; 463 61 ;
Abstract
A magnetic propulsion toy system is provided having a track (11), a boost station (12) and a car (14) made of magnetic material. The boost station has control circuit (18) with a battery (19), a wire coil (21), a capacitor (22), a manual triggering switch (24), an automatic triggering switch (27) and a manual delay triggering switch (29). An infrared emitter/detector (28) is coupled to the automatic triggering switch and manual delay triggering switch.