JPS5590907A - Projector - Google Patents

Projector

Info

Publication number
JPS5590907A
JPS5590907A JP16589478A JP16589478A JPS5590907A JP S5590907 A JPS5590907 A JP S5590907A JP 16589478 A JP16589478 A JP 16589478A JP 16589478 A JP16589478 A JP 16589478A JP S5590907 A JPS5590907 A JP S5590907A
Authority
JP
Japan
Prior art keywords
bar
lens
lenses
effective
vignetting
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.)
Granted
Application number
JP16589478A
Other languages
English (en)
Japanese (ja)
Other versions
JPS635725B2 (enrdf_load_stackoverflow
Inventor
Mitsuhiro Midorikawa
Atsuo Tsunoda
Hidetoshi Murase
Noritaka Mochizuki
Setsuo Minami
Yoshiya Matsui
Masazumi Moriwaki
Mikio Suzuta
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
Original Assignee
Canon 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 filed Critical Canon Inc
Priority to JP16589478A priority Critical patent/JPS5590907A/ja
Priority to US06/105,789 priority patent/US4275962A/en
Priority to DE2951452A priority patent/DE2951452A1/de
Priority to GB7944021A priority patent/GB2042759B/en
Priority to FR7931862A priority patent/FR2445544B1/fr
Publication of JPS5590907A publication Critical patent/JPS5590907A/ja
Publication of JPS635725B2 publication Critical patent/JPS635725B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Lenses (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
JP16589478A 1978-12-28 1978-12-28 Projector Granted JPS5590907A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP16589478A JPS5590907A (en) 1978-12-28 1978-12-28 Projector
US06/105,789 US4275962A (en) 1978-12-28 1979-12-20 Projection device
DE2951452A DE2951452A1 (de) 1978-12-28 1979-12-20 Projektionsvorrichtung
GB7944021A GB2042759B (en) 1978-12-28 1979-12-21 Projection device
FR7931862A FR2445544B1 (fr) 1978-12-28 1979-12-27 Dispositif de projection a objectifs multiples pour machines a copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16589478A JPS5590907A (en) 1978-12-28 1978-12-28 Projector

Publications (2)

Publication Number Publication Date
JPS5590907A true JPS5590907A (en) 1980-07-10
JPS635725B2 JPS635725B2 (enrdf_load_stackoverflow) 1988-02-04

Family

ID=15820990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16589478A Granted JPS5590907A (en) 1978-12-28 1978-12-28 Projector

Country Status (1)

Country Link
JP (1) JPS5590907A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141715A (enrdf_load_stackoverflow) * 1974-08-13 1976-04-08 Swarovski & Co

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141715A (enrdf_load_stackoverflow) * 1974-08-13 1976-04-08 Swarovski & Co

Also Published As

Publication number Publication date
JPS635725B2 (enrdf_load_stackoverflow) 1988-02-04

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