Time interval indicating device
US8072846B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 27, 2010 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | May 27, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G15/006
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for indicating the passage of two or more time intervals is provided. In one embodiment, the device includes a base portion with a user interface and a light portion. The light portion includes three lights of different colors that are disposed in a vertical arrangement above the base portion. The user interface includes a display and a keypad for programming the device with one or more time durations, and for associating one or more of the lights with each time interval. A controller is in communication with the user interface and operatively coupled with the lights to illuminate and turn off each light during its associated interval. The device may include an audio section linked to the controller for further indicating the intervals or transitions therebetween by outputting one or more sounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.