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. 23, 2015
Filed:
Jul. 02, 2013
Applicant:
Industrial Scientific Corporation, Oakdale, PA (US);
Inventors:
Tae-yeon Won, Bridgeville, PA (US);
Charles Hughes, Moon Township, PA (US);
Brad Day, Canonsburg, PA (US);
Assignee:
Industrial Scientific Corporation, Oakdale, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 21/00 (2006.01); G08B 3/00 (2006.01); G10K 9/22 (2006.01); G10K 11/20 (2006.01); H04M 1/03 (2006.01);
U.S. Cl.
CPC ...
G08B 3/00 (2013.01); G10K 9/22 (2013.01); G10K 11/20 (2013.01); H04M 1/035 (2013.01);
Abstract
Methods and systems to redirect the audible and visible signals from alarms on a portable safety device. A cover () cooperates with a portable safety device () to define a sound chamber () that amplifies audible warning signals. A visual alarm guide () also is provided. A calibration adapter () affords quick and simple bump testing and calibration of the portable safety device.