JPS64944A - Overhead projector - Google Patents

Overhead projector

Info

Publication number
JPS64944A
JPS64944A JP15722687A JP15722687A JPS64944A JP S64944 A JPS64944 A JP S64944A JP 15722687 A JP15722687 A JP 15722687A JP 15722687 A JP15722687 A JP 15722687A JP S64944 A JPS64944 A JP S64944A
Authority
JP
Japan
Prior art keywords
optical axis
projection lens
projection
plane perpendicular
optical system
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
JP15722687A
Other languages
English (en)
Other versions
JPH01944A (ja
Inventor
Toshiyuki Koura
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.)
Canon Inc
Canon Precision Inc
Original Assignee
Canon Inc
Canon Precision Inc
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 Canon Inc, Canon Precision Inc filed Critical Canon Inc
Priority to JP15722687A priority Critical patent/JPS64944A/ja
Publication of JPH01944A publication Critical patent/JPH01944A/ja
Publication of JPS64944A publication Critical patent/JPS64944A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP15722687A 1987-06-24 1987-06-24 Overhead projector Pending JPS64944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15722687A JPS64944A (en) 1987-06-24 1987-06-24 Overhead projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15722687A JPS64944A (en) 1987-06-24 1987-06-24 Overhead projector

Publications (2)

Publication Number Publication Date
JPH01944A JPH01944A (ja) 1989-01-05
JPS64944A true JPS64944A (en) 1989-01-05

Family

ID=15644981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15722687A Pending JPS64944A (en) 1987-06-24 1987-06-24 Overhead projector

Country Status (1)

Country Link
JP (1) JPS64944A (ja)

Similar Documents

Publication Publication Date Title
JPS5262434A (en) Image distortion correction device for projector
JPS5271944A (en) Projection-type color tv unit
JPS5694887A (en) Projecting device
JPS5257824A (en) Lens for copying
JPS5596933A (en) Overhead projector
JPS51149004A (en) Optical apparatus
JPS64944A (en) Overhead projector
JPS5557840A (en) Overhead projector capable of projecting on vertical plane
EP0277469A3 (en) Projector apparatus
JPS5435623A (en) Video projector
GB1523063A (en) Method for taking or projecting a panoramic view and apparatus for the performance thereof
JPS548917A (en) Telvision projector
JPS57197574A (en) Copying machine
JPS5722231A (en) Nondistortion image projector
JPS55114081A (en) Television picture projector
JPS53122426A (en) Projector
FR2455756A1 (fr) Retroprojecteur a lentille de fresnel reflechissante
JPS5560936A (en) Simple episcope using overhead projector
JPS561965A (en) Electrophotographic copier
JPS56151928A (en) Full circumference sliding projector
JPS53138326A (en) Projector
JPS5758173A (en) Picture formation device
FR2373846A1 (fr) Dispositif de projection de l'horizon pour simulateur d'aeronef
JPS5726837A (en) Comparison projector
JPS5470842A (en) Scanning exposure device for copying apparatus