JPS6419942U - - Google Patents

Info

Publication number: JPS6419942U
Authority: JP; Japan
Prior art keywords: illumination lamp; imaging lens; projected; overhead projector; reflective
Prior art date: 1987-07-27
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.): Granted

Application number

JP11469587U

Other languages

English (en)

Japanese (ja)

Other versions

JPH0521070Y2 (

Priority date (The priority date 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 date listed.)

1987-07-27

Filing date

1987-07-27

Publication date

1989-01-31

1987-07-27 Application filed filed Critical

1987-07-27 Priority to JP1987114695U priority Critical patent/JPH0521070Y2/ja

1989-01-31 Publication of JPS6419942U publication Critical patent/JPS6419942U/ja

1993-05-31 Application granted granted Critical

1993-05-31 Publication of JPH0521070Y2 publication Critical patent/JPH0521070Y2/ja

2002-07-27 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000005286 illumination Methods 0.000 claims description 3
238000003384 imaging method Methods 0.000 claims description 3

Landscapes

Overhead Projectors And Projection Screens (AREA)

JP1987114695U 1987-07-27 1987-07-27 Expired - Lifetime JPH0521070Y2 ( )

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP1987114695U JPH0521070Y2 ( )	1987-07-27	1987-07-27

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1987114695U JPH0521070Y2 ( )	1987-07-27	1987-07-27

Publications (2)

Publication Number	Publication Date
JPS6419942U true JPS6419942U ( )	1989-01-31
JPH0521070Y2 JPH0521070Y2 ( )	1993-05-31

Family

ID=31355678

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP1987114695U Expired - Lifetime JPH0521070Y2 ( )	1987-07-27	1987-07-27

Country Status (1)

Country	Link
JP (1)	JPH0521070Y2 ( )

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59173051U (ja) *	1983-05-02	1984-11-19	株式会社リコー	反射型オ−バヘツドプロジエクタ

1987
- 1987-07-27 JP JP1987114695U patent/JPH0521070Y2/ja not_active Expired - Lifetime

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59173051U (ja) *	1983-05-02	1984-11-19	株式会社リコー	反射型オ−バヘツドプロジエクタ

Also Published As

Publication number	Publication date
JPH0521070Y2 ( )	1993-05-31

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