Patent · US Expired

Writing instrument with sound and illumination functions

US6261018A · kind A · utility

12Cited by
3References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 25, 2000
Grant dateJul 17, 2001
Priority date
Expiry dateAug 25, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB43K29/10
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A writing instrument with sound and illumination functions has a case with an ink cartridge. A chamber is mounted on the case. A buzzer and an IC board are installed in the chamber. The IC board has an LED mounted on the upper surface and two battery seats with a battery in each seat mounted on the bottom surface. When writing, the circuit consisting of the buzzer, the LED, the IC board and the batteries is completed so that the LED emits light and the buzzer makes a sound or plays music.

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