JPH0489942U - - Google Patents

Info

Publication number
JPH0489942U
JPH0489942U JP7647191U JP7647191U JPH0489942U JP H0489942 U JPH0489942 U JP H0489942U JP 7647191 U JP7647191 U JP 7647191U JP 7647191 U JP7647191 U JP 7647191U JP H0489942 U JPH0489942 U JP H0489942U
Authority
JP
Japan
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
JP7647191U
Other languages
Japanese (ja)
Other versions
JP2585399Y2 (ja
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.)
Filing date
Publication date
Application filed filed Critical
Publication of JPH0489942U publication Critical patent/JPH0489942U/ja
Application granted granted Critical
Publication of JP2585399Y2 publication Critical patent/JP2585399Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
JP1991076471U 1990-09-25 1991-09-24 オーバーヘッドプロジェクタ Expired - Lifetime JP2585399Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9013469U DE9013469U1 (de) 1990-09-25 1990-09-25 Schreibprojektor mit seitlichem Beleuchtungsteil
DE9013469.5 1990-09-25

Publications (2)

Publication Number Publication Date
JPH0489942U true JPH0489942U (enrdf_load_stackoverflow) 1992-08-05
JP2585399Y2 JP2585399Y2 (ja) 1998-11-18

Family

ID=6857802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991076471U Expired - Lifetime JP2585399Y2 (ja) 1990-09-25 1991-09-24 オーバーヘッドプロジェクタ

Country Status (2)

Country Link
JP (1) JP2585399Y2 (enrdf_load_stackoverflow)
DE (1) DE9013469U1 (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01257833A (ja) * 1987-08-24 1989-10-13 Prozent Patent & Verwalt Ag 透過光型オーバーヘッドプロジェクタ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01257833A (ja) * 1987-08-24 1989-10-13 Prozent Patent & Verwalt Ag 透過光型オーバーヘッドプロジェクタ

Also Published As

Publication number Publication date
DE9013469U1 (de) 1991-02-14
JP2585399Y2 (ja) 1998-11-18

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