Imaging device capable of tracking an object

United States Patent [i9j

Nagasaki et al.

[ii]

[45]

linn

US005506912A Patent Number: Date of Patent:

5,506,912 Apr. 9, 1996

[54] IMAGING DEVICE CAPABLE OF TRACKING AN OBJECT

[75] Inventors: Tatsuo Nagasaki, Yokohama; Yasuhiro Komiya, Hachioji, both of Japan

[73] Assignee: Olympus Optical Co., Ltd., Tokyo,
Japan

[21] Appl. No.: 336,793
[22] Filed: Nov. 9, 1994

Related U.S. Application Data

[63] Continuation of Ser. No. 66,631, May 24,1993, abandoned, which is a continuation of Ser. No. 853,357, Mat. 16,1992, abandoned, which is a continuation of Ser. No. 644,130, Jan. 18, 1991, abandoned.

[30] Foreign Application Priority Data

Jan. 26, 1990 [JP] Japan 2-15048

[51] Int. CI.6 H04N 7/18

[52] U.S. CI 382/103; 382/128; 382/255;

348/65; 600/103

[58] Field of Search 382/6, 17, 48;

128/4, 6; 348/65, 169, 351

[56] References Cited

U.S. PATENT DOCUMENTS

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4,364,089 12/1982 Woolfson 358/125

4,563,705 1/1986 Oinoue et al 358/227

4,788,596 11/1988 Kawakami et al 358/222

4,864,409 9/1989 Platte et al 358/222