ZA732699B - Improvements in or relating to photocopying machines - Google Patents
Improvements in or relating to photocopying machinesInfo
- Publication number
- ZA732699B ZA732699B ZA732699A ZA732699A ZA732699B ZA 732699 B ZA732699 B ZA 732699B ZA 732699 A ZA732699 A ZA 732699A ZA 732699 A ZA732699 A ZA 732699A ZA 732699 B ZA732699 B ZA 732699B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- photocopying machines
- photocopying
- machines
- Prior art date
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
- G03B21/118—Reader-printers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/26—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is obtained by projection of the entire image, i.e. whole-frame projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7213899A FR2181176A6 (en) | 1972-04-20 | 1972-04-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA732699B true ZA732699B (en) | 1974-04-24 |
Family
ID=9097202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA732699A ZA732699B (en) | 1972-04-20 | 1973-04-19 | Improvements in or relating to photocopying machines |
Country Status (10)
Country | Link |
---|---|
US (1) | US3874789A (en) |
JP (1) | JPS4928345A (en) |
BE (1) | BE795416A (en) |
DE (2) | DE2319653A1 (en) |
ES (1) | ES413861A1 (en) |
FR (1) | FR2181176A6 (en) |
GB (1) | GB1386753A (en) |
IT (1) | IT1056035B (en) |
NL (1) | NL7305609A (en) |
ZA (1) | ZA732699B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5121396B2 (en) * | 1972-03-25 | 1976-07-02 | ||
DE2511633B2 (en) * | 1975-03-17 | 1977-02-10 | Hoechst Ag, 6000 Frankfurt | DEVICE FOR REPEAT RECORDING OF DEFORMED IMAGES ON A RECORDING MATERIAL |
US4388274A (en) * | 1980-06-02 | 1983-06-14 | Xerox Corporation | Ozone collection and filtration system |
JPS6214183A (en) * | 1985-07-11 | 1987-01-22 | Canon Inc | Copying device for written plate |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2979026A (en) * | 1958-06-19 | 1961-04-11 | Rca Corp | Film viewer and reproducer |
US3304476A (en) * | 1964-04-30 | 1967-02-14 | Xerox Corp | Transfer switch for a xerographic apparatus |
US3385161A (en) * | 1964-11-20 | 1968-05-28 | Old Town Corp | Reader-copier apparatus |
US3511564A (en) * | 1967-05-18 | 1970-05-12 | Bell & Howell Co | Reader-printer with plastic transport belt |
US3547534A (en) * | 1968-02-26 | 1970-12-15 | Ncr Co | Micro-image viewer-printer apparatus |
US3674354A (en) * | 1970-07-02 | 1972-07-04 | Stromberg Datagraphix Inc | Microfilm viewer-printer |
US3698805A (en) * | 1971-10-21 | 1972-10-17 | Eastman Kodak Co | Control apparatus for electrophotographic apparatus |
-
0
- BE BE795416D patent/BE795416A/en unknown
-
1972
- 1972-04-20 FR FR7213899A patent/FR2181176A6/fr not_active Expired
-
1973
- 1973-03-22 GB GB1390473A patent/GB1386753A/en not_active Expired
- 1973-04-18 JP JP48043290A patent/JPS4928345A/ja active Pending
- 1973-04-18 DE DE2319653A patent/DE2319653A1/en active Pending
- 1973-04-18 DE DE19737314804U patent/DE7314804U/en not_active Expired
- 1973-04-18 IT IT48524/73A patent/IT1056035B/en active
- 1973-04-18 ES ES413861A patent/ES413861A1/en not_active Expired
- 1973-04-19 NL NL7305609A patent/NL7305609A/xx unknown
- 1973-04-19 ZA ZA732699A patent/ZA732699B/en unknown
- 1973-04-20 US US353104A patent/US3874789A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT1056035B (en) | 1982-01-30 |
DE2319653A1 (en) | 1973-10-25 |
FR2181176A6 (en) | 1973-11-30 |
ES413861A1 (en) | 1976-01-16 |
DE7314804U (en) | 1974-12-12 |
NL7305609A (en) | 1973-10-23 |
JPS4928345A (en) | 1974-03-13 |
US3874789A (en) | 1975-04-01 |
GB1386753A (en) | 1975-03-12 |
BE795416A (en) | 1973-05-29 |
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