Number | Date | Country | Kind |
---|---|---|---|
5-282502 | Nov 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2726380 | Campisi | Dec 1955 | |
4397531 | Lees | Aug 1983 | |
4854329 | Walruff | Aug 1989 | |
5402109 | Mannik | Mar 1995 |
Number | Date | Country |
---|---|---|
4122752 | Jan 1993 | DEX |
158303 | Aug 1985 | JPX |
2133598 | Jul 1984 | GBX |
2215040 | Sep 1989 | GBX |
Entry |
---|
Merchant, Morrissette & Porterfield "Remote Measurement of Eye Direction Allowing Subject Motion Over One Cubic Foot of Space" IEEE Transactions on Biomedical Engineering, Jul. 1974, vol. BME-21, No. 4. |
Patent Abstracts of Japan, vol. 9, No. 334, p. 103 (Pub. No. 60-158303), Dec. 1985. |