JPS4851329U - - Google Patents

Info

Publication number
JPS4851329U
JPS4851329U JP9481071U JP9481071U JPS4851329U JP S4851329 U JPS4851329 U JP S4851329U JP 9481071 U JP9481071 U JP 9481071U JP 9481071 U JP9481071 U JP 9481071U JP S4851329 U JPS4851329 U JP S4851329U
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
JP9481071U
Other languages
Japanese (ja)
Other versions
JPS5350433Y2 (https=
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
Priority to JP1971094810U priority Critical patent/JPS5350433Y2/ja
Priority to US05/205,832 priority patent/US4002408A/en
Priority to DE2212502A priority patent/DE2212502C3/de
Publication of JPS4851329U publication Critical patent/JPS4851329U/ja
Application granted granted Critical
Publication of JPS5350433Y2 publication Critical patent/JPS5350433Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1971094810U 1971-10-14 1971-10-14 Expired JPS5350433Y2 (https=)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1971094810U JPS5350433Y2 (https=) 1971-10-14 1971-10-14
US05/205,832 US4002408A (en) 1971-10-14 1971-12-10 System and device for overhead projection
DE2212502A DE2212502C3 (de) 1971-10-14 1972-03-15 Überkopfprojektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971094810U JPS5350433Y2 (https=) 1971-10-14 1971-10-14

Publications (2)

Publication Number Publication Date
JPS4851329U true JPS4851329U (https=) 1973-07-04
JPS5350433Y2 JPS5350433Y2 (https=) 1978-12-02

Family

ID=28008210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1971094810U Expired JPS5350433Y2 (https=) 1971-10-14 1971-10-14

Country Status (1)

Country Link
JP (1) JPS5350433Y2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484725A (en) * 1972-05-18 1979-07-05 Gakken Co Ltd Projecting method that can project on vertical surface and projecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484725A (en) * 1972-05-18 1979-07-05 Gakken Co Ltd Projecting method that can project on vertical surface and projecting device

Also Published As

Publication number Publication date
JPS5350433Y2 (https=) 1978-12-02

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