JPS575488A - Television picture projector - Google Patents

Television picture projector

Info

Publication number
JPS575488A
JPS575488A JP7976580A JP7976580A JPS575488A JP S575488 A JPS575488 A JP S575488A JP 7976580 A JP7976580 A JP 7976580A JP 7976580 A JP7976580 A JP 7976580A JP S575488 A JPS575488 A JP S575488A
Authority
JP
Japan
Prior art keywords
optical axes
shading
difference
axes
lower limits
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
JP7976580A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0152959B2 (cs
Inventor
Yoshito Miyatake
Yoshitomi Nagaoka
Yasuo Nakajima
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 JP7976580A priority Critical patent/JPS575488A/ja
Publication of JPS575488A publication Critical patent/JPS575488A/ja
Publication of JPH0152959B2 publication Critical patent/JPH0152959B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
JP7976580A 1980-06-12 1980-06-12 Television picture projector Granted JPS575488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7976580A JPS575488A (en) 1980-06-12 1980-06-12 Television picture projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7976580A JPS575488A (en) 1980-06-12 1980-06-12 Television picture projector

Publications (2)

Publication Number Publication Date
JPS575488A true JPS575488A (en) 1982-01-12
JPH0152959B2 JPH0152959B2 (cs) 1989-11-10

Family

ID=13699302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7976580A Granted JPS575488A (en) 1980-06-12 1980-06-12 Television picture projector

Country Status (1)

Country Link
JP (1) JPS575488A (cs)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6035892A (ja) * 1983-08-08 1985-02-23 Matsushita Electric Ind Co Ltd テレビジョン画像投写装置
US4679069A (en) * 1984-07-13 1987-07-07 Nap Consumer Electronics Corp. Color picture projection system with a wavelength-selective reflector for filtering out undesired light from a monochrome picture display source
US4730211A (en) * 1985-08-06 1988-03-08 Pioneer Electronic Corporation Projection-type color television receiver wherein the center lines of right and left projection lenses intersect a display screen at points which are offset from a point at which the center line of a center projection lens intersects the display screen
WO1988003347A1 (en) * 1986-10-27 1988-05-05 Tds Patent Management, Inc. Aplanatic image combiner for use in projection television systems
JPS63211890A (ja) * 1987-09-22 1988-09-02 Seiko Epson Corp カラー表示装置
JPH01267589A (ja) * 1988-04-19 1989-10-25 Canon Inc ビデオプロジエクター
US5042929A (en) * 1989-03-23 1991-08-27 Matsushita Electric Industrial Co., Ltd. Projection lens and projection system
JPH09200788A (ja) * 1996-09-24 1997-07-31 Seiko Epson Corp カラー表示装置
USRE36725E (en) * 1984-10-22 2000-06-06 Seiko Epson Corporation Projection-type display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5253633U (cs) * 1975-10-15 1977-04-18
JPS5438832U (cs) * 1977-08-22 1979-03-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5253633U (cs) * 1975-10-15 1977-04-18
JPS5438832U (cs) * 1977-08-22 1979-03-14

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6035892A (ja) * 1983-08-08 1985-02-23 Matsushita Electric Ind Co Ltd テレビジョン画像投写装置
US4679069A (en) * 1984-07-13 1987-07-07 Nap Consumer Electronics Corp. Color picture projection system with a wavelength-selective reflector for filtering out undesired light from a monochrome picture display source
USRE36725E (en) * 1984-10-22 2000-06-06 Seiko Epson Corporation Projection-type display device
US4730211A (en) * 1985-08-06 1988-03-08 Pioneer Electronic Corporation Projection-type color television receiver wherein the center lines of right and left projection lenses intersect a display screen at points which are offset from a point at which the center line of a center projection lens intersects the display screen
WO1988003347A1 (en) * 1986-10-27 1988-05-05 Tds Patent Management, Inc. Aplanatic image combiner for use in projection television systems
US4764806A (en) * 1986-10-27 1988-08-16 Tds Patent Management, Inc. Aplanatic image combiner for use in projection television systems with reduced spherical and coma aberration
JPS63211890A (ja) * 1987-09-22 1988-09-02 Seiko Epson Corp カラー表示装置
JPH01267589A (ja) * 1988-04-19 1989-10-25 Canon Inc ビデオプロジエクター
US5042929A (en) * 1989-03-23 1991-08-27 Matsushita Electric Industrial Co., Ltd. Projection lens and projection system
JPH09200788A (ja) * 1996-09-24 1997-07-31 Seiko Epson Corp カラー表示装置

Also Published As

Publication number Publication date
JPH0152959B2 (cs) 1989-11-10

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