Claims
- 1. A document scanning apparatus comprising:
- first scanning means for reciprocating an optical member and for exposing an original document put on a document platen while the optical member is moved forward;
- second scanning means for feeding an original document to an exposure position and for exposing the original document fed to the exposure position;
- selecting means for selecting either one of said first and second scanning means;
- transporting means for transporting a recording sheet to an image forming position;
- forming means for forming an image of the original document exposed by either one of said first and second scanning means on the recording sheet transported to the image forming position;
- detecting means, provided at a predetermined position in a transporting path for the recording sheet, for detecting a passing of the trailing edge of the recording sheet at the predetermined position; and
- control means for controlling said first and second scanning means on the basis of a mode signal from said selecting means and on the basis of a detection signal from said detecting means,
- wherein when said selecting means selects said first scanning means, said control means provides, in accordance with the detection signal from said detecting means, such a control that the forward movement of the optical member by said first scanning means is stopped and the optical member is moved backward, and when said selecting means selects said second scanning means, said control means provides in accordance with the detection signal from said detecting means, such a control that said second scanning means feeds a successive original document.
- 2. A document scanning apparatus according to claim 1, wherein said second scanning means includes means for supporting plural original documents and is adapted to feed one by one the original documents from said supporting means.
- 3. A document scanning apparatus according to claim 1, wherein said first and second scanning means comprise light source means for exposing the original document, and said control means turns on and off said light source means.
Priority Claims (1)
Number |
Date |
Country |
Kind |
52-22981 |
Mar 1977 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 07/456,578, filed Dec. 29, 1989, now abandoned, which was a continuation of application Ser. No. 07/155,729, filed Feb. 16, 1988, now abandoned, which was a division of application Ser. No. 659,784 filed Oct. 11, 1984, now U.S. Pat. No. 4,763,164 issued Aug. 9, 1988, which was a division of application Ser. No. 288,211 filed Jul. 29, 1981, now abandoned, which was a division of application Ser. No. 882,614 filed Mar. 1, 1978, now U.S. Pat. No. 4,312,587 issued Jan. 26, 1982. This application is related to application Ser. No. 405,587, filed Sep. 11, 1989, pending, which was a continuation of Ser. No. 008,119 filed Jan. 23, 1987, now abandoned, which was a continuation of application Ser. No. 675,650 filed Nov. 28, 1984, now abandoned, which was a continuation of said Ser. No. 288,211, which was a division of said Ser. No. 882,614.
US Referenced Citations (10)
Foreign Referenced Citations (6)
Number |
Date |
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2434878 |
Jul 1974 |
DEX |
2507527 |
Sep 1975 |
DEX |
2535352 |
Mar 1976 |
DEX |
2612539 |
Oct 1976 |
DEX |
1522161 |
Aug 1978 |
GBX |
1542434 |
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GBX |
Divisions (3)
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Number |
Date |
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Parent |
659784 |
Oct 1984 |
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Parent |
288211 |
Jul 1981 |
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Parent |
882614 |
Mar 1978 |
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Continuations (2)
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Number |
Date |
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Parent |
456578 |
Dec 1989 |
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Parent |
155729 |
Feb 1988 |
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