JPS58573U - projection television receiver - Google Patents

projection television receiver

Info

Publication number
JPS58573U
JPS58573U JP9400081U JP9400081U JPS58573U JP S58573 U JPS58573 U JP S58573U JP 9400081 U JP9400081 U JP 9400081U JP 9400081 U JP9400081 U JP 9400081U JP S58573 U JPS58573 U JP S58573U
Authority
JP
Japan
Prior art keywords
television receiver
directivity
projector
screen
external light
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
JP9400081U
Other languages
Japanese (ja)
Other versions
JPS6042550Y2 (en
Inventor
勝美 小林
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP9400081U priority Critical patent/JPS6042550Y2/en
Publication of JPS58573U publication Critical patent/JPS58573U/en
Application granted granted Critical
Publication of JPS6042550Y2 publication Critical patent/JPS6042550Y2/en
Expired 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) [Abstract] 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図は往生の装置の説明のための図、第２図は本考案
の一例の構成図、第３図はその説明のための図である。 ３はスクリーン、４はプロジェクタ−１１１は光検出器
、１５は映像信号増幅器、１６はクロマ信号増幅器であ
る。FIG. 1 is an explanatory diagram of a rebirth device, FIG. 2 is a configuration diagram of an example of the present invention, and FIG. 3 is an explanatory diagram thereof. 3 is a screen, 4 is a projector, 111 is a photodetector, 15 is a video signal amplifier, and 16 is a chroma signal amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 反射指向性を有するスクリーンと、プロジェクタ一部と
からなる投射形テレビ受像機において、上記スクリーン
の周辺部に外光検知器を配置し、この外光検知器の出力
に応じて上記プロジェクタ−の光量及びコントラストを
制御すると共に、上記外光検知器に上記スクリーンの反
射指向性と近似の感度指向性を持たせ、どの感度指向性
の最大方向を上記プロジェクタ−の光軸の近傍に向けた
ことを特徴とする投射形テレビ受像機。In a projection television receiver consisting of a screen with reflective directivity and a part of a projector, an external light detector is arranged around the screen, and the amount of light from the projector is adjusted according to the output of the external light detector. In addition to controlling the sensitivity and contrast, the external light detector has a sensitivity directivity similar to the reflection directivity of the screen, and it is possible to determine which direction of maximum sensitivity directivity is directed near the optical axis of the projector. A projection type television receiver with special features.
JP9400081U 1981-06-25 1981-06-25 projection television receiver Expired JPS6042550Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9400081U JPS6042550Y2 (en) 1981-06-25 1981-06-25 projection television receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9400081U JPS6042550Y2 (en) 1981-06-25 1981-06-25 projection television receiver

Publications (2)

Publication Number Publication Date
JPS58573U true JPS58573U (en) 1983-01-05
JPS6042550Y2 JPS6042550Y2 (en) 1985-12-27

Family

ID=29888947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9400081U Expired JPS6042550Y2 (en) 1981-06-25 1981-06-25 projection television receiver

Country Status (1)

Country Link
JP (1) JPS6042550Y2 (en)

Also Published As

Publication number Publication date
JPS6042550Y2 (en) 1985-12-27

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