JPS5979837U - Projection video device - Google Patents

Projection video device

Info

Publication number
JPS5979837U
JPS5979837U JP17542382U JP17542382U JPS5979837U JP S5979837 U JPS5979837 U JP S5979837U JP 17542382 U JP17542382 U JP 17542382U JP 17542382 U JP17542382 U JP 17542382U JP S5979837 U JPS5979837 U JP S5979837U
Authority
JP
Japan
Prior art keywords
projector
ceiling
double
light
sided reflector
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
JP17542382U
Other languages
Japanese (ja)
Inventor
忍　正義
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP17542382U priority Critical patent/JPS5979837U/en
Publication of JPS5979837U publication Critical patent/JPS5979837U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従゛来の投射形映像装置の構成図、第２図およ
び第３図はこの考案による投射形映像装置の構成図を示
し、第２図は投射機を収納した状態、第３図は投射機を
突出させた状態をそれぞれ示す。 ４・・・スクリーン、釦・・投射レンズ、７・・・両面
反射鏡、９・・・照明用光源、１０・・・天井、３０・
・・投射機。なお、図中同一符号は同一または相当部分
を示す。FIG. 1 shows the configuration of a conventional projection video device, FIGS. 2 and 3 show the configuration of a projection video device according to this invention, and FIG. The figures each show the projector in a protruding state. 4... Screen, button... Projection lens, 7... Double-sided reflective mirror, 9... Light source for illumination, 10... Ceiling, 30...
...projection machine. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　投射レンズを通して映像を投射す乞投射機を
天井から出没自在となるように設けるとともに、この投
射機の側方であってかつ天井の内部に照明用光源を配設
し、上記投射機は投射レンズの前方に両面反射鏡を゛有
し、投射機が天井内部に収納された状態において上記照
明用光源からの光が上記両面反射鏡の一方の面で反射さ
れて天井の下方へ照射されるとともに、投射機の一部が
天井より突出した状態において上記投射レンズから投射
さ”れる映像が上記両面反射鏡の他方の面で反射されて
スクリーンに写し出されるようにしたことを特徴とする
投射形映像装置。(1) A projector that projects an image through a projection lens is installed so that it can appear and disappear from the ceiling, and a light source for illumination is installed on the side of the projector and inside the ceiling, and the projector has a double-sided reflector in front of the projection lens, and when the projector is housed inside the ceiling, the light from the illumination light source is reflected by one surface of the double-sided reflector and illuminates the ceiling below. In addition, when a part of the projector protrudes from the ceiling, the image projected from the projection lens is reflected by the other surface of the double-sided reflector and projected onto the screen. Projection type video device. （２）上記投射機は両面反射鏡の上記一方の反射面の前
方に透光板を有し、投射機の収納状態においてこの透光
板が天井と略同−面に位置することを特徴とする実用新
案登録請求の範囲第（１）項記載の投射形映像装置。(2) The projector is characterized in that it has a light-transmitting plate in front of the one reflecting surface of the double-sided reflector, and the light-transmitting plate is located approximately on the same plane as the ceiling when the projector is stored. A projection type image device according to claim (1) of the utility model registration claim.
JP17542382U 1982-11-17 1982-11-17 Projection video device Pending JPS5979837U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17542382U JPS5979837U (en) 1982-11-17 1982-11-17 Projection video device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17542382U JPS5979837U (en) 1982-11-17 1982-11-17 Projection video device

Publications (1)

Publication Number Publication Date
JPS5979837U true JPS5979837U (en) 1984-05-30

Family

ID=30381660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17542382U Pending JPS5979837U (en) 1982-11-17 1982-11-17 Projection video device

Country Status (1)

Country Link
JP (1) JPS5979837U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0356951A (en) * 1989-07-26 1991-03-12 Komatsu Wall Ind Co Ltd Ceiling moving device for projector
US9664376B2 (en) 2013-04-18 2017-05-30 Panasonic Intellectual Property Management Co., Ltd. Projection-type image display apparatus
JP2018186483A (en) * 2016-10-17 2018-11-22 アルボット株式会社 Communication robot and communication system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0356951A (en) * 1989-07-26 1991-03-12 Komatsu Wall Ind Co Ltd Ceiling moving device for projector
US9664376B2 (en) 2013-04-18 2017-05-30 Panasonic Intellectual Property Management Co., Ltd. Projection-type image display apparatus
JP2018186483A (en) * 2016-10-17 2018-11-22 アルボット株式会社 Communication robot and communication system

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