Patent · US Active

Charge display unit

US8928474B2 · kind B2 · utility

1Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 2011
Grant dateJan 6, 2015
Priority date
Expiry dateMay 24, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY04S30/14
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A charged-amount display part displays a battery charge rate of an entire battery pack according to kinds of charge sources. An example of displaying the battery charge rate in the form of a bar chart is shown. A speed display part displays a vehicle speed of a running electric vehicle. The running cost display part displays a running cost calculated based on consumed electric power of the battery.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.