Object finder
US6674364B1 · kind B1 · utility
74Cited by
39References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2001 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Jul 17, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/24
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Apparatus relates to systems and devices for enabling persons to locate lost or misplaced objects and items in households, offices, and other work places. Such devices and items may include remote-control devices for television sets, VCR's, calculators, and miniature dictating machines. The apparatus comprises a wireless transmitter for producing a unique digital signal or data packet for a codable wireless receiver coded to respond only to the specific transmitter to cause the coded receiver to emit an audio signal or sound from a sound generating device for locating a misplaced object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.