GB1417334A - Apparatus for automatically controlling the speed of travel of an original and of copying material in a copying machine - Google Patents
Apparatus for automatically controlling the speed of travel of an original and of copying material in a copying machineInfo
- Publication number
- GB1417334A GB1417334A GB949373A GB949373A GB1417334A GB 1417334 A GB1417334 A GB 1417334A GB 949373 A GB949373 A GB 949373A GB 949373 A GB949373 A GB 949373A GB 1417334 A GB1417334 A GB 1417334A
- Authority
- GB
- United Kingdom
- Prior art keywords
- copying
- travel
- original
- speed
- automatically controlling
- 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
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/923—Specific feedback condition or device
- Y10S388/93—Load or torque
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2209725A DE2209725C2 (en) | 1972-03-01 | 1972-03-01 | Device for automatic control of the throughput speed of original and copy material |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1417334A true GB1417334A (en) | 1975-12-10 |
Family
ID=5837531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB949373A Expired GB1417334A (en) | 1972-03-01 | 1973-02-27 | Apparatus for automatically controlling the speed of travel of an original and of copying material in a copying machine |
Country Status (11)
Country | Link |
---|---|
US (1) | US3851236A (en) |
AT (1) | AT344004B (en) |
BE (1) | BE795971A (en) |
CA (1) | CA981085A (en) |
DE (1) | DE2209725C2 (en) |
ES (1) | ES412126A1 (en) |
FR (1) | FR2174629A5 (en) |
GB (1) | GB1417334A (en) |
IT (1) | IT977523B (en) |
NL (1) | NL7302278A (en) |
SE (1) | SE377197B (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2438491C2 (en) * | 1974-08-10 | 1985-04-04 | Hoechst Ag, 6230 Frankfurt | Device for controlling the exposure by changing the transport speed of an original and the illuminance of a light source in a copier |
JPS51120718A (en) * | 1975-04-15 | 1976-10-22 | Ricoh Co Ltd | Exposure method for duplicator |
US4124295A (en) * | 1977-02-02 | 1978-11-07 | Savin Business Machines Corporation | Background brightness control for document copier |
US4924265A (en) * | 1988-03-14 | 1990-05-08 | Xerox Corporation | Automatic insert feed control |
JPH03211568A (en) * | 1990-01-17 | 1991-09-17 | Konica Corp | Color image forming device |
KR920004312B1 (en) * | 1990-05-15 | 1992-06-01 | 삼성전자 주식회사 | Washing control apparatus |
US6657440B1 (en) * | 1998-06-11 | 2003-12-02 | Em-Tech Sensors Llc | Propagation of waves through materials |
US6392421B1 (en) | 1998-06-11 | 2002-05-21 | Em-Tech Llc | Spectral EM frequency metallic thickness measurement using metallic transparencies |
US6744263B2 (en) | 1999-12-10 | 2004-06-01 | Em-Tech Sensors Llc | Apparatus and method for the measurement of electrical properties of materials through non-magnetizable materials |
US6351245B1 (en) | 1999-12-10 | 2002-02-26 | Em-Tech Llc | Use of phase coded permeability lensing to obtain directional information in electro-magnetic radiation |
US6597186B2 (en) | 1999-12-10 | 2003-07-22 | Em-Tech Sensors Llc | Through tank level gauging |
AU2001288433A1 (en) | 2000-08-25 | 2002-03-04 | Em-Tech Llc | Detection of anomalies on railroad tracks |
US6630831B2 (en) | 2000-09-02 | 2003-10-07 | Em-Tech Sensors Llc | Measurements of electrical properties through non magneticially permeable metals using directed magnetic beams and magnetic lenses |
US7019518B2 (en) | 2000-10-16 | 2006-03-28 | Amini Bijan K | Non-contacting apparatus and method for measurement of ferromagnetic metal thickness |
US6597177B1 (en) | 2000-11-20 | 2003-07-22 | Em-Tech Sensors Llc | Through casing resistivity measurement in permanently installed downhole production environment |
US8542420B2 (en) * | 2010-06-30 | 2013-09-24 | Kabushiki Kaisha Toshiba | Image reading apparatus, image forming apparatus and method |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE317261B (en) * | 1964-12-24 | 1969-11-10 | Mita Industrial Co Ltd | |
US3472592A (en) * | 1966-10-21 | 1969-10-14 | Gaf Corp | Automatic exposure system |
US3684940A (en) * | 1970-04-09 | 1972-08-15 | Warner Swasey Co | Power amplifier having source of different power capabilities for energizing a servo motor |
DE2119373C3 (en) * | 1971-04-22 | 1978-07-13 | Hoechst Ag, 6000 Frankfurt | Blueprint machine for spatially separated documents |
US3700323A (en) * | 1971-12-28 | 1972-10-24 | Eastman Kodak Co | Control circuitry for assisting electrostatographic compensation |
-
0
- BE BE795971D patent/BE795971A/en not_active IP Right Cessation
-
1972
- 1972-03-01 DE DE2209725A patent/DE2209725C2/en not_active Expired
-
1973
- 1973-02-19 NL NL7302278A patent/NL7302278A/xx not_active Application Discontinuation
- 1973-02-23 SE SE7302559A patent/SE377197B/xx unknown
- 1973-02-26 AT AT170073A patent/AT344004B/en not_active IP Right Cessation
- 1973-02-27 US US00336361A patent/US3851236A/en not_active Expired - Lifetime
- 1973-02-27 GB GB949373A patent/GB1417334A/en not_active Expired
- 1973-02-27 ES ES412126A patent/ES412126A1/en not_active Expired
- 1973-02-27 CA CA164,693A patent/CA981085A/en not_active Expired
- 1973-02-27 IT IT48469/73A patent/IT977523B/en active
- 1973-03-01 FR FR7307246A patent/FR2174629A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2209725C2 (en) | 1986-02-20 |
IT977523B (en) | 1974-09-20 |
FR2174629A5 (en) | 1973-10-12 |
ATA170073A (en) | 1977-10-15 |
BE795971A (en) | 1973-08-27 |
US3851236A (en) | 1974-11-26 |
AT344004B (en) | 1978-06-26 |
SE377197B (en) | 1975-06-23 |
NL7302278A (en) | 1973-09-04 |
ES412126A1 (en) | 1976-10-01 |
DE2209725A1 (en) | 1973-09-06 |
CA981085A (en) | 1976-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |