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.:

US 7246425 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 24, 2007

Filed:

Mar. 17, 2004
Applicant:

Shigenobu Mitani, Tamaho-machi, JP;

Inventor:

Shigenobu Mitani, Tamaho-machi, JP;

Assignee:

- Mineba Co. Ltd., Nagano-Ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In manufacturing a speaker, ultrasonic complex vibration welding is applied at least to: a process of fixedly putting together a magnet, a pot yoke a the pole piece; a process of fixing, to a portion of an inner circumference of a frame, an outer periphery of a spider, which has its periphery fixed to a bobbin; a process of fixing to a portion of the frame an outer circumferential edge of a surround, which has its inner circumferential edge fixed to an outer periphery of a diaphragm whose inner periphery is fixed to the bobbin; and a process of fixedly connecting both ends of each of tinsel leads respectively to terminations of a voice coil and to terminals.


Find Patent Forward Citations

Mitani, Shigenobu. (2007). Method of manufacturing a speaker (U.S. Patent No. 7246425). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7246425

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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