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US0O5369270A
United States Patent [19] [li] Patent Number: 5,369,270
Gurner et al. [45] Date of Patent: Nov. 29, 1994
[54] SIGNAL GENERATOR ACTIVATED BY
RADIATION FROM A SCREEN-LIKE SPACE
[75] Inventors: Asaf Gurner, Tel-Aviv; Oded Y. Zur, Netanya, both of Israel
[73] Assignee: Interactive Light, Inc., Los Angeles, Calif.
[21] Appl. No.: 102,541
[22] Filed: Aug. 2,1993
Related U.S. Application Data
[63] Continuation of Ser. No. 776,669, Oct. 15, 1991, abandoned.
[30] Foreign Application Priority Data
Oct. 15, 1990 [IL] Israel 095998
[51] Int. CI.5 G01V 9/04
[52] U.S. CI 250/221; 340/556;
345/167
[58] Field of Search 250/221, 222.1;
340/555, 556, 557; 364/410, 709.02, 189;
345/167, 157, 145, 158; 84/639
[56] References Cited
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4,804,860 2/1989 Ross et al 340/556
4,968,877 11/1990 McAvinney et al. .
5,017,770 5/1991 Sigalov 250/221
5,045,687 9/1991 Gurner 250/221
5,059,959 10/1991 Barry .
5,081,896 7/1992 Hiyoshi et al. .
FOREIGN PATENT DOCUMENTS
0342347 11/1989 European Pat. Off. .
3129841 7/1981 Germany .
3436703 10/1984 Germany .
2209169 8/1990 Japan .
272494 11/1990 Japan .
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4026432 1/1992 Japan .
8600605 4/1987 WIPO .
Primary Examiner—David C. Nelms
Attorney, Agent, or Firm—Kirschstein, Ottinger, Israel
& Schiffmiller
[57] ABSTRACT
An apparatus for producing signals by means of radiation, for controlling musical instruments, image producing devices, video games, computer games and the like, comprises sensors sensitive to radiation directed towards them from points of sensing spaces, selectively to produce the aforesaid signals, and emitters for conveying radiation to elongated emission spaces.
24 Claims, 4 Drawing Sheets
