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. 10, 1981
Filed:
Apr. 03, 1979
Toshio Aoki, Yokohama, JP;
Atsumi Takayama, Hachiohji, JP;
You Matsuuchi, Kawasaki, JP;
Mikito Baba, Yokohama, JP;
Kenichiro Kawazoe, Fuchu, JP;
Mitsumi Electric Co., Ltd., Chofu, JP;
Abstract
A push-button type tuning apparatus comprises a frame structure having a pair of opposing support plates provided with support openings, push-buttons each comprised of a button and a slide plate fitted into the support openings in the pair of support plates in a slidable manner, and a resilient restriction member provided on at least one of the support plates and disposed near the slide plates. The restriction member urges the slide plates to press against one edge of the support opening thereby to restrict the positions of the push-buttons at lease when they are pushed, thereby ensuring accurate preset tuning and retuning.