JPS54139569A - Light bulb type projector - Google Patents

Light bulb type projector

Info

Publication number
JPS54139569A
JPS54139569A JP4734178A JP4734178A JPS54139569A JP S54139569 A JPS54139569 A JP S54139569A JP 4734178 A JP4734178 A JP 4734178A JP 4734178 A JP4734178 A JP 4734178A JP S54139569 A JPS54139569 A JP S54139569A
Authority
JP
Japan
Prior art keywords
light
reflected
light bulb
radiated
schlieren
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
JP4734178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6222136B2 (enrdf_load_stackoverflow
Inventor
Yoshikazu Hori
Shoichi Fukai
Masaaki Asai
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP4734178A priority Critical patent/JPS54139569A/ja
Publication of JPS54139569A publication Critical patent/JPS54139569A/ja
Priority to US06/237,471 priority patent/US4389096A/en
Publication of JPS6222136B2 publication Critical patent/JPS6222136B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP4734178A 1977-12-27 1978-04-20 Light bulb type projector Granted JPS54139569A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4734178A JPS54139569A (en) 1978-04-20 1978-04-20 Light bulb type projector
US06/237,471 US4389096A (en) 1977-12-27 1981-02-23 Image display apparatus of liquid crystal valve projection type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4734178A JPS54139569A (en) 1978-04-20 1978-04-20 Light bulb type projector

Publications (2)

Publication Number Publication Date
JPS54139569A true JPS54139569A (en) 1979-10-30
JPS6222136B2 JPS6222136B2 (enrdf_load_stackoverflow) 1987-05-15

Family

ID=12772471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4734178A Granted JPS54139569A (en) 1977-12-27 1978-04-20 Light bulb type projector

Country Status (1)

Country Link
JP (1) JPS54139569A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61140384U (enrdf_load_stackoverflow) * 1985-02-21 1986-08-30
JPS63168679A (ja) * 1987-01-06 1988-07-12 浜松ホトニクス株式会社 電極板を用いた投射形デイスプレイ装置
JPS63300281A (ja) * 1987-05-29 1988-12-07 浜松ホトニクス株式会社 導電板を用いた電荷蓄積板
US5260815A (en) * 1989-08-03 1993-11-09 Nippon Hoso Kyokai Light writing type projection display using polymer-dispersed liquid crystal and liquid crystal television set as image light source
JPH10311975A (ja) * 1997-05-09 1998-11-24 Sharp Corp 偏光非依存型光位相変調器
US6005651A (en) * 1992-08-04 1999-12-21 Matsushita Electric Industrial Co., Ltd. Display panel and projection display system with use of display panel
US6232947B1 (en) 1994-03-15 2001-05-15 Canon Kabushiki Kaisha Video information display system including a reflective type active matrix addressed liquid crystal display and method for synthetically combining and editing data
JP2009536747A (ja) * 2006-05-11 2009-10-15 ケンブリッジ・エンタープライズ・リミテッド イメージ形成方法およびイメージ投影装置
CN114527620A (zh) * 2022-04-21 2022-05-24 广东五九科技有限公司 星空投影装置

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61140384U (enrdf_load_stackoverflow) * 1985-02-21 1986-08-30
JPS63168679A (ja) * 1987-01-06 1988-07-12 浜松ホトニクス株式会社 電極板を用いた投射形デイスプレイ装置
JPS63300281A (ja) * 1987-05-29 1988-12-07 浜松ホトニクス株式会社 導電板を用いた電荷蓄積板
US5260815A (en) * 1989-08-03 1993-11-09 Nippon Hoso Kyokai Light writing type projection display using polymer-dispersed liquid crystal and liquid crystal television set as image light source
US6005651A (en) * 1992-08-04 1999-12-21 Matsushita Electric Industrial Co., Ltd. Display panel and projection display system with use of display panel
US6232947B1 (en) 1994-03-15 2001-05-15 Canon Kabushiki Kaisha Video information display system including a reflective type active matrix addressed liquid crystal display and method for synthetically combining and editing data
US6747613B2 (en) 1994-03-15 2004-06-08 Canon Kabushiki Kaisha Video information display system and display apparatus applicable to the same
US7304629B2 (en) 1994-03-15 2007-12-04 Canon Kabushiki Kaisha Video information display system and display apparatus applicable to the same
US7382335B2 (en) 1994-03-15 2008-06-03 Canon Kabushiki Kaisha Video information display system and display apparatus applicable to the same
JPH10311975A (ja) * 1997-05-09 1998-11-24 Sharp Corp 偏光非依存型光位相変調器
JP2009536747A (ja) * 2006-05-11 2009-10-15 ケンブリッジ・エンタープライズ・リミテッド イメージ形成方法およびイメージ投影装置
CN114527620A (zh) * 2022-04-21 2022-05-24 广东五九科技有限公司 星空投影装置
CN114527620B (zh) * 2022-04-21 2023-08-18 广东五九科技有限公司 星空投影装置

Also Published As

Publication number Publication date
JPS6222136B2 (enrdf_load_stackoverflow) 1987-05-15

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