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:
Mar. 27, 2007
Filed:
Sep. 25, 2000
Ryota Mita, Hitachinaka, JP;
Akio Shinagawa, Hitachinaka, JP;
Ryota Mita, Hitachinaka, JP;
Akio Shinagawa, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A cellular phone is provided with a melody sound reproducing unit comprising: a speaker for providing specified output in a range between a first frequency and a second frequency; a signal generator for supplying an audio signal to the speaker; a memory for storing signal data corresponding to an audio signal to be generated by the signal generator; and a controller for controlling the signal generator based on the signal data, wherein the signal data is stored in the memory when the frequency of the corresponding audio signal is in a range between the first frequency and the second frequency, and the audio signal whose frequency is in a range between the first frequency and the second frequency is supplied to the speaker.