GB1288657A - - Google Patents

Info

Publication number
GB1288657A
GB1288657A GB1288657DA GB1288657A GB 1288657 A GB1288657 A GB 1288657A GB 1288657D A GB1288657D A GB 1288657DA GB 1288657 A GB1288657 A GB 1288657A
Authority
GB
United Kingdom
Prior art keywords
dec
strip
film
projection
overhead
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
Other languages
English (en)
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 GB1288657A publication Critical patent/GB1288657A/en
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
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection
    • 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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
GB1288657D 1969-12-05 1970-12-01 Expired GB1288657A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691961215 DE1961215B2 (de) 1969-12-05 1969-12-05 Schreibprojektor mit einer einrichtung zur projektion von dias und filmstreifen

Publications (1)

Publication Number Publication Date
GB1288657A true GB1288657A (enrdf_load_stackoverflow) 1972-09-13

Family

ID=5753161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1288657D Expired GB1288657A (enrdf_load_stackoverflow) 1969-12-05 1970-12-01

Country Status (4)

Country Link
JP (1) JPS5127132B1 (enrdf_load_stackoverflow)
DE (1) DE1961215B2 (enrdf_load_stackoverflow)
FR (1) FR2072825A5 (enrdf_load_stackoverflow)
GB (1) GB1288657A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256498A (en) * 1991-05-10 1992-12-09 Simon John Richards Projector apparatus for projecting overhead projector transparencies and slides

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK24283A (da) * 1983-01-21 1984-07-22 Memofax As Overheadprojektor
JPS63153226U (enrdf_load_stackoverflow) * 1987-03-26 1988-10-07

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081670A (en) * 1961-12-08 1963-03-19 Simmon Brothers Inc Overhead optical projector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256498A (en) * 1991-05-10 1992-12-09 Simon John Richards Projector apparatus for projecting overhead projector transparencies and slides
GB2256498B (en) * 1991-05-10 1994-08-03 Simon John Richards Projector apparatus for projecting overhead projector transparencies and slides

Also Published As

Publication number Publication date
DE1961215A1 (de) 1971-06-24
DE1961215B2 (de) 1972-03-16
JPS5127132B1 (enrdf_load_stackoverflow) 1976-08-11
FR2072825A5 (enrdf_load_stackoverflow) 1971-09-24

Similar Documents

Publication Publication Date Title
SE338714B (enrdf_load_stackoverflow)
GB1024723A (en) Roll film magazine and camera adapted to use same
GB1034906A (en) Photographic camera with exposure regulating device
GB1288657A (enrdf_load_stackoverflow)
GB1313520A (en) Slide projectors
GB1132978A (en) Improvements in or relating to film magazines
CA970191A (en) Motion-picture projector
CA501778A (en) Projection lamp for lenticulated film
GB1313016A (en) Copying apparatus
GB1146853A (en) Film magazine
GB1186752A (en) Improvements in or relating to Optical Apparatus
GB1132542A (en) Salicylic acid derivatives
GB1295701A (enrdf_load_stackoverflow)
CA641637A (en) Cinematograph film projector
GB1241998A (en) Cinematographic projector
GB1515198A (en) Slide projector adapters
GB1402782A (en) Magazine for photographic slides
CA646103A (en) Projector
CA525823A (en) Image projection optical system
GB1311594A (en) Diphenylacetic acid derivatives
CA623364A (en) Cinematograph film projector
CA897134A (en) Underwater light adaptor for single-hose diving regulators
CA633877A (en) Piperazine salts
AU251957B2 (en) Improvements in or relating toa cinematographic projector
CA648883A (en) Solubility improver of lithium salts

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee