FR2145331A5 - - Google Patents

Info

Publication number
FR2145331A5
FR2145331A5 FR7224757A FR7224757A FR2145331A5 FR 2145331 A5 FR2145331 A5 FR 2145331A5 FR 7224757 A FR7224757 A FR 7224757A FR 7224757 A FR7224757 A FR 7224757A FR 2145331 A5 FR2145331 A5 FR 2145331A5
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
FR7224757A
Other languages
French (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.)
KEYSTONE MICRO SCAN Inc
Original Assignee
KEYSTONE MICRO SCAN Inc
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 KEYSTONE MICRO SCAN Inc filed Critical KEYSTONE MICRO SCAN Inc
Application granted granted Critical
Publication of FR2145331A5 publication Critical patent/FR2145331A5/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
    • G03B21/115—Projectors with built-in or built-on screen for microfilm reading of microfiches

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
FR7224757A 1971-07-07 1972-07-07 Expired FR2145331A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16027671A 1971-07-07 1971-07-07

Publications (1)

Publication Number Publication Date
FR2145331A5 true FR2145331A5 (enExample) 1973-02-16

Family

ID=22576234

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7224757A Expired FR2145331A5 (enExample) 1971-07-07 1972-07-07

Country Status (3)

Country Link
DE (1) DE2233272A1 (enExample)
FR (1) FR2145331A5 (enExample)
IT (1) IT964487B (enExample)

Also Published As

Publication number Publication date
IT964487B (it) 1974-01-21
DE2233272A1 (de) 1973-01-25

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Legal Events

Date Code Title Description
ST Notification of lapse