FR2505117A1 - Appareil de projection video - Google Patents

Appareil de projection video Download PDF

Info

Publication number
FR2505117A1
FR2505117A1 FR8206365A FR8206365A FR2505117A1 FR 2505117 A1 FR2505117 A1 FR 2505117A1 FR 8206365 A FR8206365 A FR 8206365A FR 8206365 A FR8206365 A FR 8206365A FR 2505117 A1 FR2505117 A1 FR 2505117A1
Authority
FR
France
Prior art keywords
control
contraction
extension
tubes
sections
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
FR8206365A
Other languages
English (en)
French (fr)
Other versions
FR2505117B1 (enrdf_load_stackoverflow
Inventor
Shigeru Yamazaki
Yoshiaki Takano
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 FR2505117A1 publication Critical patent/FR2505117A1/fr
Application granted granted Critical
Publication of FR2505117B1 publication Critical patent/FR2505117B1/fr
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]
    • H04N9/3141—Constructional details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7475—Constructional details of television projection apparatus
    • H04N2005/7483—Constructional details of television projection apparatus for colour television

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Projection Apparatus (AREA)
FR8206365A 1981-05-01 1982-04-13 Appareil de projection video Granted FR2505117A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981063646U JPS6141345Y2 (enrdf_load_stackoverflow) 1981-05-01 1981-05-01

Publications (2)

Publication Number Publication Date
FR2505117A1 true FR2505117A1 (fr) 1982-11-05
FR2505117B1 FR2505117B1 (enrdf_load_stackoverflow) 1985-01-04

Family

ID=13235316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8206365A Granted FR2505117A1 (fr) 1981-05-01 1982-04-13 Appareil de projection video

Country Status (7)

Country Link
JP (1) JPS6141345Y2 (enrdf_load_stackoverflow)
KR (1) KR880004550Y1 (enrdf_load_stackoverflow)
CA (1) CA1194352A (enrdf_load_stackoverflow)
DE (1) DE3216211A1 (enrdf_load_stackoverflow)
FR (1) FR2505117A1 (enrdf_load_stackoverflow)
GB (1) GB2097951B (enrdf_load_stackoverflow)
NL (1) NL8201817A (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB718339A (en) * 1952-10-03 1954-11-10 Giovanni Comba Control device for telescopic aerials
US3893125A (en) * 1972-11-29 1975-07-01 Bellomayre Michel De Motor operated telescopic antenna for vehicles
US4058837A (en) * 1976-09-07 1977-11-15 Muntz Earl W Projection television receiver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5493326U (enrdf_load_stackoverflow) * 1977-12-14 1979-07-02
JPS593664Y2 (ja) * 1978-09-20 1984-02-01 ソニー株式会社 ビデオプロジエクタにおけるミラ−の開閉装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB718339A (en) * 1952-10-03 1954-11-10 Giovanni Comba Control device for telescopic aerials
US3893125A (en) * 1972-11-29 1975-07-01 Bellomayre Michel De Motor operated telescopic antenna for vehicles
US4058837A (en) * 1976-09-07 1977-11-15 Muntz Earl W Projection television receiver

Also Published As

Publication number Publication date
JPS57176780U (enrdf_load_stackoverflow) 1982-11-09
CA1194352A (en) 1985-10-01
GB2097951B (en) 1984-11-21
FR2505117B1 (enrdf_load_stackoverflow) 1985-01-04
KR880004550Y1 (ko) 1988-12-23
GB2097951A (en) 1982-11-10
DE3216211A1 (de) 1982-11-18
NL8201817A (nl) 1982-12-01
JPS6141345Y2 (enrdf_load_stackoverflow) 1986-11-25
KR830004369U (ko) 1983-12-30

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Date Code Title Description
ST Notification of lapse