Writing instrument with sound and illumination functions
US6261018A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 25, 2000 |
| Grant date | Jul 17, 2001 |
| Priority date | — |
| Expiry date | Aug 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.