FR2049701A5 - - Google Patents

Info

Publication number
FR2049701A5
FR2049701A5 FR7019909A FR7019909A FR2049701A5 FR 2049701 A5 FR2049701 A5 FR 2049701A5 FR 7019909 A FR7019909 A FR 7019909A FR 7019909 A FR7019909 A FR 7019909A FR 2049701 A5 FR2049701 A5 FR 2049701A5
Authority
FR
France
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
FR7019909A
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of FR2049701A5 publication Critical patent/FR2049701A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading
    • G03B21/111—Projectors with built-in or built-on screen for microfilm reading of roll films

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
FR7019909A 1969-06-02 1970-06-01 Expired FR2049701A5 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US82940169A 1969-06-02 1969-06-02
US82940069A 1969-06-02 1969-06-02
US82939669A 1969-06-02 1969-06-02

Publications (1)

Publication Number Publication Date
FR2049701A5 true FR2049701A5 (fr) 1971-03-26

Family

ID=27420211

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7019909A Expired FR2049701A5 (fr) 1969-06-02 1970-06-01

Country Status (5)

Country Link
BE (1) BE751310A (fr)
DE (1) DE2027080A1 (fr)
FR (1) FR2049701A5 (fr)
GB (1) GB1304764A (fr)
NL (1) NL7007682A (fr)

Also Published As

Publication number Publication date
BE751310A (fr) 1970-12-02
NL7007682A (fr) 1970-12-04
GB1304764A (fr) 1973-01-31
DE2027080A1 (de) 1970-12-10

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Legal Events

Date Code Title Description
ST Notification of lapse