【発明の名称】視線トレーサ - Nippon Telegraph and Telephone Corporation

Title:

【発明の名称】視線トレーサ

Document Type and Number:

Japanese Patent JPH0738848

Kind Code:

B2

Inventors:

Akira Hiraiwa
Katsunori Shimohara
Uchiyama Tadashi
Tokunaga Yukio

Application Number:

JP18528290A

Publication Date:

May 01, 1995

Filing Date:

July 16, 1990

Export Citation:

Assignee:

Nippon Telegraph and Telephone Corporation

International Classes:

A61B3/113; A61B5/0488; A61B5/11; G08B21/00; G08B21/06; (IPC1-7): A61B3/113; A61B5/0488; A61B5/11

Attorney, Agent or Firm:

Masataka Kobayashi

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