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:
Oct. 12, 1982
Filed:
Dec. 12, 1979
Applicant:
Inventor:
Hidetaka Fujisawa, Fussa, JP;
Assignee:
Casio Computer Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364709 ; 364710 ; 179 / ;
Abstract
In a key input indicating tone generating system for small-sized electronic devices, key switches are classified into a plurality of groups according to their function. When key switches belonging to a group of key switches are operated, music tones are generated. When the key switches of at least one of the remaining groups of key switches are operated, tones different from the above mentioned tones are produced.
Fujisawa, Hidetaka. (1982). Key input indicating tone generating apparatus for small-sized (U.S. Patent No. 4354246). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4354246
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile