JPS4831333B1 - - Google Patents

Info

Publication number
JPS4831333B1
JPS4831333B1 JP44073888A JP7388869A JPS4831333B1 JP S4831333 B1 JPS4831333 B1 JP S4831333B1 JP 44073888 A JP44073888 A JP 44073888A JP 7388869 A JP7388869 A JP 7388869A JP S4831333 B1 JPS4831333 B1 JP S4831333B1
Authority
JP
Japan
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.)
Pending
Application number
JP44073888A
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 filed Critical
Publication of JPS4831333B1 publication Critical patent/JPS4831333B1/ja
Pending 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
JP44073888A 1966-08-22 1969-09-17 Pending JPS4831333B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57421866A 1966-08-22 1966-08-22

Publications (1)

Publication Number Publication Date
JPS4831333B1 true JPS4831333B1 (ja) 1973-09-28

Family

ID=24295189

Family Applications (2)

Application Number Title Priority Date Filing Date
JP44073888A Pending JPS4831333B1 (ja) 1966-08-22 1969-09-17
JP44073889A Pending JPS4822204B1 (ja) 1966-08-22 1969-09-17

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP44073889A Pending JPS4822204B1 (ja) 1966-08-22 1969-09-17

Country Status (3)

Country Link
US (1) US3528733A (ja)
JP (2) JPS4831333B1 (ja)
GB (1) GB1199327A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455066A (en) * 1979-12-10 1984-06-19 Logicon, Inc. Transport for display terminal
US5088256A (en) * 1990-08-06 1992-02-18 Face Construction Technologies, Inc. Concrete joint with spring clip retained insert and bottom seal
US5340108A (en) * 1991-11-22 1994-08-23 Donald A. Wilson Apparatus for projecting and moving a spot of light in a scene projected on a screen and for controlling operation of a stepper motor used therewith
US5707128A (en) * 1996-06-24 1998-01-13 Hughes Electronics Target projector automated alignment system
TWI381241B (zh) * 2008-07-11 2013-01-01 Aixin Technologies Llc 投影幕裝置
US9416959B2 (en) 2012-05-17 2016-08-16 Donald Spinner Illuminated golf
CN113178124B (zh) * 2021-05-08 2023-01-31 河南工程学院 一种视觉传达教学设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2192987A (en) * 1935-11-12 1940-03-12 Rca Corp Motion picture framing device
US2563892A (en) * 1946-12-14 1951-08-14 Waller Fred Apparatus for locating images on screens
US2472143A (en) * 1947-03-10 1949-06-07 Revere Camera Co Self-threading device for motionpicture apparatus
US2653508A (en) * 1949-02-07 1953-09-29 Whiteley Fred Howard Intermittent feed mechanism utilizing control markings on film
US2807188A (en) * 1954-01-13 1957-09-24 Gerald J Badgley Motion picture apparatus having film magazine and loop forming means
GB1048048A (en) * 1962-11-20 1966-11-09 Rank Organisation Ltd Improvements in or relating to data processing apparatus
US3354776A (en) * 1964-11-20 1967-11-28 Bell & Howell Co Microfilm reader

Also Published As

Publication number Publication date
JPS4822204B1 (ja) 1973-07-04
GB1199327A (en) 1970-07-22
US3528733A (en) 1970-09-15

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