GB1175454A - Improvements in or relating to Optical Viewers or Projectors - Google Patents
Improvements in or relating to Optical Viewers or ProjectorsInfo
- Publication number
- GB1175454A GB1175454A GB346/67A GB34667A GB1175454A GB 1175454 A GB1175454 A GB 1175454A GB 346/67 A GB346/67 A GB 346/67A GB 34667 A GB34667 A GB 34667A GB 1175454 A GB1175454 A GB 1175454A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transparency
- turning
- optical
- pulleys
- jan
- 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
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
- G03B35/00—Stereoscopic photography
- G03B35/18—Stereoscopic photography by simultaneous viewing
- G03B35/24—Stereoscopic photography by simultaneous viewing using apertured or refractive resolving means on screens or between screen and eye
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Projection Apparatus (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52693466A | 1966-01-03 | 1966-01-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1175454A true GB1175454A (en) | 1969-12-23 |
Family
ID=24099428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB346/67A Expired GB1175454A (en) | 1966-01-03 | 1967-01-03 | Improvements in or relating to Optical Viewers or Projectors |
Country Status (7)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989002096A1 (en) * | 1987-08-24 | 1989-03-09 | Ohlson Carl Eric | A method of examining x-ray films and the like and an examination cabinet for such film examination |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4936013B1 (US08063081-20111122-C00044.png) * | 1967-11-29 | 1974-09-27 | ||
US3620612A (en) * | 1969-05-01 | 1971-11-16 | Mitchell C Hopper | Microfiche handler |
US3790266A (en) * | 1970-10-24 | 1974-02-05 | Fuji Photo Film Co Ltd | Microfiche projecting apparatus |
US3748032A (en) * | 1971-03-23 | 1973-07-24 | Ncr Co | Microform viewer indexing means |
US3885867A (en) * | 1972-01-19 | 1975-05-27 | Cubic Ind Corp | Microfiche readout apparatus |
US3838916A (en) * | 1973-04-09 | 1974-10-01 | Bell & Howell Co | Microfiche reader/projector |
US4765734A (en) * | 1986-05-22 | 1988-08-23 | Pakon, Inc. | Digitally encoded alpha-numeric projector slide and systems for using the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1478384A (en) * | 1921-12-05 | 1923-12-25 | Albert A Dorsch | Chart |
US2501453A (en) * | 1947-03-25 | 1950-03-21 | Cinex Inc | Microphotographic projector and reader device with indexing means |
NL83931C (US08063081-20111122-C00044.png) * | 1953-03-30 | |||
US3240115A (en) * | 1961-12-01 | 1966-03-15 | Itek Corp | Photographic apparatus |
US3226173A (en) * | 1963-06-05 | 1965-12-28 | Bettuzzi Giovanni | Case for electromechanically shiftable representation |
US3259451A (en) * | 1963-09-06 | 1966-07-05 | Itek Corp | Film gate |
US3229396A (en) * | 1963-10-10 | 1966-01-18 | Ralph R Shaw | Microfilm and viewing apparatus therefor |
US3190519A (en) * | 1963-12-02 | 1965-06-22 | Teletype Corp | Tape feeding mechanism for telegraph ticker |
-
1966
- 1966-01-03 US US526934A patent/US3509651A/en not_active Expired - Lifetime
- 1966-12-24 DE DE19661547381 patent/DE1547381A1/de active Pending
-
1967
- 1967-01-03 BE BE692144D patent/BE692144A/xx unknown
- 1967-01-03 GB GB346/67A patent/GB1175454A/en not_active Expired
- 1967-01-03 FR FR89779A patent/FR1507141A/fr not_active Expired
- 1967-01-03 CH CH567A patent/CH459600A/fr unknown
- 1967-01-03 NL NL6700038A patent/NL6700038A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989002096A1 (en) * | 1987-08-24 | 1989-03-09 | Ohlson Carl Eric | A method of examining x-ray films and the like and an examination cabinet for such film examination |
US5159771A (en) * | 1987-08-24 | 1992-11-03 | Ohlson Carl Eric | Method of examining x-ray films and the like and an examination cabinet for such film examination |
Also Published As
Publication number | Publication date |
---|---|
CH459600A (fr) | 1968-07-15 |
NL6700038A (US08063081-20111122-C00044.png) | 1967-07-04 |
DE1547381A1 (de) | 1969-12-18 |
BE692144A (US08063081-20111122-C00044.png) | 1967-07-03 |
FR1507141A (fr) | 1967-12-22 |
US3509651A (en) | 1970-05-05 |
DE1547381B2 (US08063081-20111122-C00044.png) | 1972-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |