JPH0246467U - - Google Patents
Info
- Publication number
- JPH0246467U JPH0246467U JP12457688U JP12457688U JPH0246467U JP H0246467 U JPH0246467 U JP H0246467U JP 12457688 U JP12457688 U JP 12457688U JP 12457688 U JP12457688 U JP 12457688U JP H0246467 U JPH0246467 U JP H0246467U
- Authority
- JP
- Japan
- Prior art keywords
- wavelength
- coated
- utility
- reduce
- scope
- 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
- 230000007935 neutral effect Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
第１図及び第２図はこの考案に係る読取り用レ
ンズの一実施例を示したものであり、第１図はこ
の読取り用レンズを適用したフアクシミリの光学
系の説明図、第２図は読取り用レンズの説明図で
ある。
１０…光源、１５…ＣＣＤ、２０…原稿、３０
…読取り用レンズ、３１…第１面（ＮＤコーテイ
ング面）。
Figures 1 and 2 show an embodiment of the reading lens according to this invention. Figure 1 is an explanatory diagram of the optical system of a facsimile to which this reading lens is applied, and Figure 2 is an illustration of the reading lens. It is an explanatory view of a lens for use. 10...Light source, 15...CCD, 20...Original, 30
...reading lens, 31...first surface (ND coating surface).
Claims (1)
減させるＮＤ（Ｎｅｕｔｒａｌ Ｄｅｎｓｉｔｙ
）コーテイングを施したことを特徴とする読取り
用レンズ。 ND (Neutral Density) is applied to the lens surface to reduce the amount of transmitted light to a constant level regardless of the wavelength.
) A reading lens characterized by being coated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12457688U JPH0246467U (en) | 1988-09-22 | 1988-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12457688U JPH0246467U (en) | 1988-09-22 | 1988-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246467U true JPH0246467U (en) | 1990-03-29 |
Family
ID=31374431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12457688U Pending JPH0246467U (en) | 1988-09-22 | 1988-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246467U (en) |
-
1988
- 1988-09-22 JP JP12457688U patent/JPH0246467U/ja active Pending