System and method for managing utilization of a battery
US6233016A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1999 |
| Grant date | May 15, 2001 |
| Priority date | — |
| Expiry date | Jun 9, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/651
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A power supply provides a voltage to a digital camera. If the power supply voltage falls below a predetermined threshold, a voltage sensor generates a signal to a power manager. In response, the power manager configures the camera into a lower power consumption state. As the power source weakens further, the power manager continues to place the camera into a lower and lower power consumption state, until the power source is exhausted. The method of the present invention preferably comprises the steps of monitoring the power source's voltage, generating a signal if that voltage falls below a pre-determined threshold, and reducing the camera's power consumption in response to the signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.