JPH0373189B2 - - Google Patents
Info
- Publication number
- JPH0373189B2 JPH0373189B2 JP56096602A JP9660281A JPH0373189B2 JP H0373189 B2 JPH0373189 B2 JP H0373189B2 JP 56096602 A JP56096602 A JP 56096602A JP 9660281 A JP9660281 A JP 9660281A JP H0373189 B2 JPH0373189 B2 JP H0373189B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- focal position
- reading device
- reflected
- original
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Facsimile Heads (AREA)
- Facsimile Scanning Arrangements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56096602A JPS57211870A (en) | 1981-06-24 | 1981-06-24 | Lighting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56096602A JPS57211870A (en) | 1981-06-24 | 1981-06-24 | Lighting device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57211870A JPS57211870A (en) | 1982-12-25 |
JPH0373189B2 true JPH0373189B2 (de) | 1991-11-21 |
Family
ID=14169418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56096602A Granted JPS57211870A (en) | 1981-06-24 | 1981-06-24 | Lighting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57211870A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3524811A1 (de) * | 1984-07-14 | 1986-01-23 | Canon K.K., Tokio/Tokyo | Bildabtastvorrichtung |
JPS61111065A (ja) * | 1984-11-05 | 1986-05-29 | Matsushita Graphic Commun Syst Inc | 光電変換装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54158250A (en) * | 1978-06-05 | 1979-12-13 | Ricoh Co Ltd | Illumination of scanner |
JPS5546619A (en) * | 1978-09-28 | 1980-04-01 | Ricoh Co Ltd | Solid state scanner |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4918539U (de) * | 1972-05-19 | 1974-02-16 | ||
JPS5499520U (de) * | 1977-12-24 | 1979-07-13 |
-
1981
- 1981-06-24 JP JP56096602A patent/JPS57211870A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54158250A (en) * | 1978-06-05 | 1979-12-13 | Ricoh Co Ltd | Illumination of scanner |
JPS5546619A (en) * | 1978-09-28 | 1980-04-01 | Ricoh Co Ltd | Solid state scanner |
Also Published As
Publication number | Publication date |
---|---|
JPS57211870A (en) | 1982-12-25 |
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