FR2401576B1 - Appareil de projection - Google Patents

Appareil de projection

Info

Publication number
FR2401576B1
FR2401576B1 FR787824707A FR7824707A FR2401576B1 FR 2401576 B1 FR2401576 B1 FR 2401576B1 FR 787824707 A FR787824707 A FR 787824707A FR 7824707 A FR7824707 A FR 7824707A FR 2401576 B1 FR2401576 B1 FR 2401576B1
Authority
FR
France
Prior art keywords
projection apparatus
projection
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.)
Expired
Application number
FR787824707A
Other languages
English (en)
Other versions
FR2401576A1 (fr
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2401576A1 publication Critical patent/FR2401576A1/fr
Application granted granted Critical
Publication of FR2401576B1 publication Critical patent/FR2401576B1/fr
Expired 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
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/28—Arrangements for convergence or focusing
    • 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)
FR787824707A 1977-08-25 1978-08-25 Appareil de projection Expired FR2401576B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10187077A JPS5435623A (en) 1977-08-25 1977-08-25 Video projector

Publications (2)

Publication Number Publication Date
FR2401576A1 FR2401576A1 (fr) 1979-03-23
FR2401576B1 true FR2401576B1 (fr) 1985-07-26

Family

ID=14312010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787824707A Expired FR2401576B1 (fr) 1977-08-25 1978-08-25 Appareil de projection

Country Status (8)

Country Link
US (1) US4194216A (fr)
JP (1) JPS5435623A (fr)
AU (1) AU523553B2 (fr)
CA (1) CA1105301A (fr)
DE (1) DE2837249C2 (fr)
FR (1) FR2401576B1 (fr)
GB (1) GB2004083B (fr)
NL (1) NL7808707A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642225A (en) * 1979-09-14 1981-04-20 Fuji Xerox Co Ltd Original for oblique projection and its making device
US4274110A (en) * 1980-01-08 1981-06-16 Zenith Radio Corporation Projection television system
US4415348A (en) * 1980-05-29 1983-11-15 Zenith Radio Corporation Method of manufacture for projection television system
US4376949A (en) * 1981-06-11 1983-03-15 Zenith Radio Corporation Color projection TV systems
JPH0759092B2 (ja) * 1985-08-06 1995-06-21 パイオニア株式会社 投写型テレビジヨン
KR970006880Y1 (ko) * 1993-12-13 1997-07-09 엘지전자 주식회사 투사형 장치
US6305805B1 (en) 1998-12-17 2001-10-23 Gateway, Inc. System, method and software for correcting keystoning of a projected image

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA939540A (en) * 1970-03-09 1974-01-08 Rca Corporation Optical system for orthogonalizing image field of projection lens
JPS5271944A (en) * 1975-12-11 1977-06-15 Sanyo Electric Co Ltd Projection-type color tv unit
US4210928A (en) * 1977-05-09 1980-07-01 Sony Corporation Projecting apparatus

Also Published As

Publication number Publication date
AU523553B2 (en) 1982-08-05
NL7808707A (nl) 1979-02-27
GB2004083A (en) 1979-03-21
CA1105301A (fr) 1981-07-21
FR2401576A1 (fr) 1979-03-23
DE2837249C2 (de) 1986-11-13
JPS617074B2 (fr) 1986-03-04
US4194216A (en) 1980-03-18
DE2837249A1 (de) 1979-03-01
AU3918078A (en) 1980-02-28
GB2004083B (en) 1982-02-10
JPS5435623A (en) 1979-03-15

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Legal Events

Date Code Title Description
ST Notification of lapse