JPS5438118A - Projector - Google Patents

Projector

Info

Publication number
JPS5438118A
JPS5438118A JP10455677A JP10455677A JPS5438118A JP S5438118 A JPS5438118 A JP S5438118A JP 10455677 A JP10455677 A JP 10455677A JP 10455677 A JP10455677 A JP 10455677A JP S5438118 A JPS5438118 A JP S5438118A
Authority
JP
Japan
Prior art keywords
projector
screen
providing
opaque mask
mask around
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
Application number
JP10455677A
Other languages
Japanese (ja)
Inventor
Akimasa Takehana
Toshiyuki Mori
Kenji Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP10455677A priority Critical patent/JPS5438118A/en
Publication of JPS5438118A publication Critical patent/JPS5438118A/en
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)

Abstract

PURPOSE: To project many informations on the screen by providing an opaque mask around the screen.
COPYRIGHT: (C)1979,JPO&Japio
JP10455677A 1977-08-31 1977-08-31 Projector Pending JPS5438118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10455677A JPS5438118A (en) 1977-08-31 1977-08-31 Projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10455677A JPS5438118A (en) 1977-08-31 1977-08-31 Projector

Publications (1)

Publication Number Publication Date
JPS5438118A true JPS5438118A (en) 1979-03-22

Family

ID=14383731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10455677A Pending JPS5438118A (en) 1977-08-31 1977-08-31 Projector

Country Status (1)

Country Link
JP (1) JPS5438118A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0713889U (en) * 1993-08-07 1995-03-10 株式会社筑波物流 Simple assembly type crane for trucks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0713889U (en) * 1993-08-07 1995-03-10 株式会社筑波物流 Simple assembly type crane for trucks

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