GB1488168A - Electrophotographic apparatus - Google Patents
Electrophotographic apparatusInfo
- Publication number
- GB1488168A GB1488168A GB4218374A GB4218374A GB1488168A GB 1488168 A GB1488168 A GB 1488168A GB 4218374 A GB4218374 A GB 4218374A GB 4218374 A GB4218374 A GB 4218374A GB 1488168 A GB1488168 A GB 1488168A
- Authority
- GB
- United Kingdom
- Prior art keywords
- conductor
- pulley
- mirror
- lamp
- line
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/522—Projection optics
- G03B27/525—Projection optics for slit exposure
- G03B27/526—Projection optics for slit exposure in which the projection optics move
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Abstract
1488168 Line-by-line photo-copier CANON KK 27 Sept 1974 [27 Sept 1973] 42183/74 Heading G2A A line-by-line electro-photo-copier employing a stationary platen, an illuminating lamp and a first scanning mirror which move at the same speed, and a second scanning mirror which moves at half said speed, also employs an electrical power conductor to the lamp having one end fixed, the other end moving at the same speed as the lamp, and an intermediate part passing round a guide member which moves at the same speed as the second mirror, the arrangement being such that the conductor is maintained at constant tension during the scanning movement. As shown, a conductor 59 is connected at one end to a mirror 51 (and lamp 58 (Fig. 5, (not shown) and at the other end to a stationary point 60, and passes round an electrically insulated pulley 61 connected to a mirror 45. The conductor may be of circular Fig. 7a (not shown) or flat Figs. 7b and c (not shown) cross-section. The ratio of the diameters of the pulley and a circular conductor may be at least 22:1. As shown, a single pulley cord 48 and drive pulley 49 are employed. Alternatively, there may be two pulley cords and corresponding drive pulleys, one having half the peripheral speed of the other. The pulleys may be integral Fig. 2, (not shown) or connected by gear teeth Fig. 4, (not shown).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10867673A JPS5060235A (en) | 1973-09-27 | 1973-09-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1488168A true GB1488168A (en) | 1977-10-05 |
Family
ID=14490837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4218374A Expired GB1488168A (en) | 1973-09-27 | 1974-09-27 | Electrophotographic apparatus |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5060235A (en) |
DE (1) | DE2446072C2 (en) |
GB (1) | GB1488168A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2000308A (en) * | 1977-06-10 | 1979-01-04 | Eocom Corp | Optical scanning table |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4035075A (en) * | 1975-11-26 | 1977-07-12 | Minnesota Mining And Manufacturing Company | Image scanning system for copy machines |
JPS5822730B2 (en) * | 1977-01-11 | 1983-05-11 | キヤノン株式会社 | Original scanning device |
DE2823764C2 (en) * | 1978-05-31 | 1985-01-17 | Canon K.K., Tokio/Tokyo | Drive device in a copier |
US4355883A (en) * | 1979-10-15 | 1982-10-26 | Savin Corporation | Photocopier scanning apparatus |
JPS6386628U (en) * | 1986-11-26 | 1988-06-06 | ||
JPH075719Y2 (en) * | 1988-10-12 | 1995-02-08 | 株式会社リコー | Image reader |
JP2006293395A (en) * | 2006-07-07 | 2006-10-26 | Ricoh Co Ltd | Image reader |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1059066B (en) * | 1957-03-13 | 1959-06-11 | Siemens Ag | Device for maintaining a constant tension in an electrical connection line to moving parts of machines |
US3431053A (en) * | 1964-10-23 | 1969-03-04 | Agfa Gevaert Ag | Optical copying apparatus |
-
1973
- 1973-09-27 JP JP10867673A patent/JPS5060235A/ja active Pending
-
1974
- 1974-09-26 DE DE19742446072 patent/DE2446072C2/en not_active Expired
- 1974-09-27 GB GB4218374A patent/GB1488168A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2000308A (en) * | 1977-06-10 | 1979-01-04 | Eocom Corp | Optical scanning table |
GB2000308B (en) * | 1977-06-10 | 1982-04-15 | Eocom Corp | Precision travelling optical table assembly |
Also Published As
Publication number | Publication date |
---|---|
DE2446072A1 (en) | 1975-04-10 |
JPS5060235A (en) | 1975-05-24 |
AU7377074A (en) | 1976-04-01 |
DE2446072C2 (en) | 1985-02-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1488168A (en) | Electrophotographic apparatus | |
FR2323071A1 (en) | CONTINUOUS SPEED VARIATOR WITH CONICAL PULLEYS | |
ES420995A1 (en) | Window regulator, especially for automobiles, with a threaded cable moving in a guide | |
ATE2345T1 (en) | MULTIPLE TWIST, ESPECIALLY FOUR TWIST HIGH SPEED CLOSING MACHINE. | |
AU1404576A (en) | Variable ratio pulley drive | |
SU576063A3 (en) | Device for outdoor illumination | |
BE814781A (en) | HIGH VOLTAGE OVERHEAD CABLE FOR TRANSMISSION OF ELECTRIC ENERGY | |
EP0219007A3 (en) | Interruption device for crane systems | |
ATE124564T1 (en) | REVERSING STRANDING DEVICE. | |
FR2416157A1 (en) | CYCLE DERAILLEUR | |
GB1231254A (en) | ||
GB1465201A (en) | Fishing reel assembly | |
SU509518A2 (en) | Device for powering a mobile receiver | |
ES171723U (en) | Electrosanitary apparatus. (Machine-translation by Google Translate, not legally binding) | |
GB1414387A (en) | Winch | |
SU630693A1 (en) | Device for current supply from stationary object to moving one with aid of flexible cables | |
JPS57139769A (en) | Tension wire type driving device | |
JPS56128974A (en) | Variable magnification device of copying device | |
SU866595A1 (en) | Device for winding cable around drum | |
GB1045250A (en) | Arrangements for drawing curtains | |
SU920932A1 (en) | Device for power supply to movable receiver | |
JPS57188068A (en) | Variable magnification optical system for copying machine | |
JPS5399409A (en) | Solid commutator motor device | |
SU1101899A1 (en) | Combined communication cable | |
SU1001193A1 (en) | Device for putting on braiding onto wire and cable bundles |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19940926 |