【発明の名称】ペン入力装置

Title:

【発明の名称】ペン入力装置

Document Type and Number:

Japanese Patent JP2787900

Kind Code:

B2

Abstract:

PURPOSE: To obtain a high SN ratio and high resolution and to reduce the cost of a pen input device without requiring a highly sensitive image sensor and a complicated detection circuit. CONSTITUTION: A light diffusion part 1 for diffusing light from a light pen 10 is formed on a crossing part between an X axis optical fiber plate 9 and a Y axis optical fiber plate 8 and a reflection film 18 is formed on the lower part of optical fibers 12 arranged on the plate 8 to improve the intensity of light incident on one-dimensional image sensors 3, 4.

More Like This:

WO/2012/171110	INTERACTIVE SURFACE WITH USER PROXIMITY DETECTION
WO/2007/072261	REMOTE INTERACTION SYSTEM BASED ON LIGHT GUIDING LAYER WITH IMPROVED DETECTOR SIGNAL
WO/2020/008877	INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM

Inventors:

OKAZAWA YOSHUKI
KAWASHIMA SHINGO

Application Number:

JP14922795A

Publication Date:

August 20, 1998

Filing Date:

June 15, 1995

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NIPPON DENKI KK

International Classes:

G06F3/042; G06F3/03; G06F3/041; (IPC1-7): G06F3/03; G06F3/033

Domestic Patent References:

JP6421520A
JP63184823A

Attorney, Agent or Firm:

Naoki Kyomoto (2 outside)

Previous Patent: 冷陰極およびこれを用いた電子銃とマイクロ波管

Next Patent: 電界放射冷陰極の製造方法