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:
Apr. 22, 1986
Filed:
Apr. 27, 1984
Applicant:
Inventors:
Charles B Boenning, Cincinnati, OH (US);
Charles J Moorman, Cincinnati, OH (US);
Assignee:
Claiborne Electronics, Inc., Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
179 37 ;
Abstract
An improved door-mounted combination intercom and viewer is provided including a pair of identical housings, each having a microphone and a speaker therein. The microphones are isolated from contact with the housings by a vibration damping material to prevent feedback.