JPS59168701U - Method of combining Fresnel lenses used to enlarge the screen of a television receiver - Google Patents

Method of combining Fresnel lenses used to enlarge the screen of a television receiver

Info

Publication number
JPS59168701U
JPS59168701U JP6289783U JP6289783U JPS59168701U JP S59168701 U JPS59168701 U JP S59168701U JP 6289783 U JP6289783 U JP 6289783U JP 6289783 U JP6289783 U JP 6289783U JP S59168701 U JPS59168701 U JP S59168701U
Authority
JP
Japan
Prior art keywords
enlarge
screen
television receiver
fresnel lenses
lenses used
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
JP6289783U
Other languages
Japanese (ja)
Inventor
遠藤　清松
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP6289783U priority Critical patent/JPS59168701U/en
Publication of JPS59168701U publication Critical patent/JPS59168701U/en
Pending legal-status Critical Current

Links

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

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 the drawing]

第１図　テレビジョン受像機の受像管とフレネルレンズ
の組合せ′の方法、第２図　同心円溝フレ・ネルレンズ
と直線溝フレネルレンズの組合せの場合の光の入射又は
透過光の状態を示す、第３図　同心円溝フレネルレンズ
のテレビジョン受像管との間に生ずるモアレ現象を示す
、第４図　直線溝フレネルレンズとテレビジョン受像管
との間に生ずるモアレ現象を示す。 １・・・・・・テレビジョン受像機の受像管、２・・・
・・・同心円溝フレネルレンズ、３・・・・・・直線溝
フレネルレンズ、４・・・・・・同心円溝フレネルレン
ズの溝の角度、５・・・・・・直線溝フレネルレンズの
溝の角度、６・・曲回心円フレネルレンズの入射光、７
・・・・・・直線溝フレネルレンズの入射光、８・・・
・・・同心円溝のフレネルレンズに生ずるモアレ現象を
示す、９・・・・・・直線・溝フレネルレンズに生ずる
モアレ現象を示す。Figure 1: How to combine a picture tube and Fresnel lens for a television receiver; Figure 2: How to combine a concentric groove Fresnel lens and a straight groove Fresnel lens. Figure 4 shows the moiré phenomenon that occurs between a concentric groove Fresnel lens and a television picture tube; FIG. 4 shows the moire phenomenon that occurs between a straight groove Fresnel lens and a television picture tube. 1... Picture tube of a television receiver, 2...
... Concentric groove Fresnel lens, 3... Straight groove Fresnel lens, 4... Concentric groove Fresnel lens groove angle, 5... Straight groove Fresnel lens groove angle. Angle, 6... Incident light of curved center Fresnel lens, 7
...Incident light of straight groove Fresnel lens, 8...
... Indicates the moire phenomenon that occurs in a Fresnel lens with concentric grooves. 9... Indicates the moire phenomenon that occurs in a straight/groove Fresnel lens.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第１図に示す様に同心円溝フレネルレンズと直線溝フレ
ネルレンズを組合せてテレビジョン受像機の画面の拡大
に用いる方法。As shown in Fig. 1, a method is used to enlarge the screen of a television receiver by combining a concentric groove Fresnel lens and a straight groove Fresnel lens.
JP6289783U 1983-04-28 1983-04-28 Method of combining Fresnel lenses used to enlarge the screen of a television receiver Pending JPS59168701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6289783U JPS59168701U (en) 1983-04-28 1983-04-28 Method of combining Fresnel lenses used to enlarge the screen of a television receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6289783U JPS59168701U (en) 1983-04-28 1983-04-28 Method of combining Fresnel lenses used to enlarge the screen of a television receiver

Publications (1)

Publication Number Publication Date
JPS59168701U true JPS59168701U (en) 1984-11-12

Family

ID=30193085

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6289783U Pending JPS59168701U (en) 1983-04-28 1983-04-28 Method of combining Fresnel lenses used to enlarge the screen of a television receiver

Country Status (1)

Country Link
JP (1) JPS59168701U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928041B1 (en) * 1967-08-29 1974-07-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928041B1 (en) * 1967-08-29 1974-07-23

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