JPS63122316U - - Google Patents
Info
- Publication number
- JPS63122316U JPS63122316U JP1286587U JP1286587U JPS63122316U JP S63122316 U JPS63122316 U JP S63122316U JP 1286587 U JP1286587 U JP 1286587U JP 1286587 U JP1286587 U JP 1286587U JP S63122316 U JPS63122316 U JP S63122316U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- receiving element
- light receiving
- guide member
- light
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図は本案の受光素子の断面図、第２図は従
来の受光素子の断面図、第３図は走査光学系の平
面図、第４図は受光素子と検知ミラーの平面図で
ある。
５…感光ドラム、９…検知ミラー、１０…受光
素子、１４…受光素子片、１５…保護ガラス、１
８…ビーム案内部材、１９…スリツト。
FIG. 1 is a sectional view of the light receiving element of the present invention, FIG. 2 is a sectional view of a conventional light receiving element, FIG. 3 is a plan view of the scanning optical system, and FIG. 4 is a plan view of the light receiving element and the detection mirror. 5... Photosensitive drum, 9... Detection mirror, 10... Light receiving element, 14... Light receiving element piece, 15... Protective glass, 1
8...Beam guide member, 19...Slit.
Claims (1)
偏光し、感光ドラム上に走査を行なう光学系にお
いて、走査ビームの一部を情報用として検知する
受光素子の入口にビーム案内部材を設けたことを
特徴とするレーザービームの走査光学系。 ２ 請求の範囲第１項において、ビーム案内部材
を箱形として受光素子を覆つたことを特徴とする
レーザービームの走査光学系。[Claims for Utility Model Registration] 1. In an optical system that polarizes a light beam from a light source using a rotating polygon mirror and scans it on a photosensitive drum, a light receiving element that detects a part of the scanning beam as information. A laser beam scanning optical system characterized by having a beam guide member provided at an entrance. 2. A laser beam scanning optical system according to claim 1, characterized in that the beam guide member is box-shaped and covers the light receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1286587U JPS63122316U (en) | 1987-02-02 | 1987-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1286587U JPS63122316U (en) | 1987-02-02 | 1987-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63122316U true JPS63122316U (en) | 1988-08-09 |
Family
ID=30801395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1286587U Pending JPS63122316U (en) | 1987-02-02 | 1987-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63122316U (en) |
-
1987
- 1987-02-02 JP JP1286587U patent/JPS63122316U/ja active Pending