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:
Dec. 24, 2019
Filed:
Nov. 21, 2018
James Wang, Bakersfield, CA (US);
James Wang, Bakersfield, CA (US);
Other;
Abstract
A bidirectional proximity announcer has a first proximity sensor configured to sense human movement in a first area. The first proximity sensor is a passive infrared sensor. A second proximity sensor is configured to sense human movement in a second area. The second proximity sensor is spaced apart laterally from the first proximity sensor. The first proximity sensor is mounted to the right or left of the second proximity sensor. The second proximity sensor is a passive infrared sensor. A sound processor integrated circuit provides a recording and playback of a first sound recording and a second sound recording. The sound processor integrated circuit is configured to record and play both the first sound recording and the second sound recording. The sound processor integrated circuit is configured to play sounds.