JPS61160426U - - Google Patents
Info
- Publication number
- JPS61160426U JPS61160426U JP4307385U JP4307385U JPS61160426U JP S61160426 U JPS61160426 U JP S61160426U JP 4307385 U JP4307385 U JP 4307385U JP 4307385 U JP4307385 U JP 4307385U JP S61160426 U JPS61160426 U JP S61160426U
- Authority
- JP
- Japan
- Prior art keywords
- parts
- slit
- transparent
- width
- utility
- 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 1
Landscapes
- Accommodation For Nursing Or Treatment Tables (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Optical Elements Other Than Lenses (AREA)
Description
第１図は本考案の一実施例を示す平面図である
。
図中の符号の１はスリツト状の透明部分、２は
不透明部分である。
FIG. 1 is a plan view showing an embodiment of the present invention. The reference numeral 1 in the figure is a slit-like transparent portion, and the reference numeral 2 is an opaque portion.
Claims (1)
を１本又は複数本有し、他は不透明部分よりなる
ことを特徴とするスリツト状の透明部分を有する
光学要素。 An optical element having a slit-like transparent part, characterized in that it has one or more slit-like transparent parts having a width of 0.4 to 1.3 mm, and the other parts are opaque parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4307385U JPS61160426U (en) | 1985-03-27 | 1985-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4307385U JPS61160426U (en) | 1985-03-27 | 1985-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61160426U true JPS61160426U (en) | 1986-10-04 |
Family
ID=30554405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4307385U Pending JPS61160426U (en) | 1985-03-27 | 1985-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61160426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012187160A (en) * | 2011-03-09 | 2012-10-04 | Tokai Kogaku Kk | Medical glasses for visus duplicatus or weak eyesight patient |
-
1985
- 1985-03-27 JP JP4307385U patent/JPS61160426U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012187160A (en) * | 2011-03-09 | 2012-10-04 | Tokai Kogaku Kk | Medical glasses for visus duplicatus or weak eyesight patient |