JPS548917A - Telvision projector - Google Patents

Telvision projector

Info

Publication number
JPS548917A
JPS548917A JP7470977A JP7470977A JPS548917A JP S548917 A JPS548917 A JP S548917A JP 7470977 A JP7470977 A JP 7470977A JP 7470977 A JP7470977 A JP 7470977A JP S548917 A JPS548917 A JP S548917A
Authority
JP
Japan
Prior art keywords
telvision
projector
target
circumference
reducing
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
JP7470977A
Other languages
Japanese (ja)
Other versions
JPS6126184B2 (en
Inventor
Keisuke Miyoshi
Toshitaka Yukimoto
Arinobu Suzuki
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 Electronics Corp
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 Electronics Corp, Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electronics Corp
Priority to JP7470977A priority Critical patent/JPS548917A/en
Publication of JPS548917A publication Critical patent/JPS548917A/en
Publication of JPS6126184B2 publication Critical patent/JPS6126184B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

PURPOSE: To obtain excellent projected picture, by providing the circular hole as required minimum at the center of the spherical reflection mirror, taking black color with the same size as the target for the circumference, and reducing the swollen out beam from the target.
COPYRIGHT: (C)1979,JPO&Japio
JP7470977A 1977-06-22 1977-06-22 Telvision projector Granted JPS548917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7470977A JPS548917A (en) 1977-06-22 1977-06-22 Telvision projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7470977A JPS548917A (en) 1977-06-22 1977-06-22 Telvision projector

Publications (2)

Publication Number Publication Date
JPS548917A true JPS548917A (en) 1979-01-23
JPS6126184B2 JPS6126184B2 (en) 1986-06-19

Family

ID=13555014

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7470977A Granted JPS548917A (en) 1977-06-22 1977-06-22 Telvision projector

Country Status (1)

Country Link
JP (1) JPS548917A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55141044A (en) * 1979-04-20 1980-11-04 Matsushita Electronics Corp Projection type television picture tube
JPS5656378A (en) * 1979-10-12 1981-05-18 Sanwa Daiyamondo Kogyo Kk Metal-bonded grindstone wheel
JPS5656379A (en) * 1979-10-12 1981-05-18 Sanwa Daiyamondo Kogyo Kk Resin-bonded grindstone wheel
JPH01125168U (en) * 1988-02-18 1989-08-25

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210086907A (en) 2019-12-31 2021-07-09 삼성디스플레이 주식회사 Display device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55141044A (en) * 1979-04-20 1980-11-04 Matsushita Electronics Corp Projection type television picture tube
JPS5656378A (en) * 1979-10-12 1981-05-18 Sanwa Daiyamondo Kogyo Kk Metal-bonded grindstone wheel
JPS5656379A (en) * 1979-10-12 1981-05-18 Sanwa Daiyamondo Kogyo Kk Resin-bonded grindstone wheel
JPH01125168U (en) * 1988-02-18 1989-08-25

Also Published As

Publication number Publication date
JPS6126184B2 (en) 1986-06-19

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