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:
Jun. 18, 1996
Filed:
May. 06, 1994
Yoshikazu Saito, Tokyo, JP;
Namiki Precision Jewel Co., Ltd., Tokyo, JP;
Abstract
An integrated sound generator/vibrator has a higher frequency responsive sound producing body and a low frequency responsive vibrating body which may be operated simultaneously or separately. In one embodiment, a pole piece is anchored to the center of a spring body, and armatures are fastened to the center of a compliant diaphragm facing the pole piece. Magnets and excitation coils are fastened in a case to surround the pole piece. In another embodiment, a voice coil is fastened to the center of a compliant diaphragm, a magnet is anchored to the center of a spring body, and the diaphragm and spring body are positioned to face each other with the magnet centered in the voice coil. In a variation of the second embodiment, a magnetic unit comprising a pole piece, a ring magnet, and a yoke is attached to the spring body. The magnetic circuit in each design selectively produces a high frequency field which operates the high frequency diaphragm, and/or a low frequency field which moves the pole piece or central magnet on the spring body to cause vibrations.