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:
May. 25, 2004
Filed:
Apr. 22, 2002
Yu Tian, Shanghai, CN;
Wenyan Jiang, Shanghai, CN;
Other;
Abstract
An ultrasonic remote aeroplane for playing air-battle game includes a wing, a cockpit, a propeller, a tail pole, a fin, a rudder, a main remote circuit for receiving the propeller rotation controlling signal and rudder motion controlling signal carried high frequency carrier transmitted from a remote transmitter, and a driving system thereof. The remote aeroplane further includes an air-battle box including at least an ultrasonic transmitting tube, an ultrasonic receiving sensor, an attachment structure for fixing to the aeroplane, and a control circuit corresponding to them. The remote transmitter further transmits a high frequency carrier carrying a signal F for instructing the ultrasonic transmitting tube to transmit ultrasonic waves. The main remote circuit further includes a circuit for receiving the high frequency carrier carrying the signal F and separating out the signal F