FR2101770A5 - - Google Patents

Info

Publication number
FR2101770A5
FR2101770A5 FR7126000A FR7126000A FR2101770A5 FR 2101770 A5 FR2101770 A5 FR 2101770A5 FR 7126000 A FR7126000 A FR 7126000A FR 7126000 A FR7126000 A FR 7126000A FR 2101770 A5 FR2101770 A5 FR 2101770A5
Authority
FR
France
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
FR7126000A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR2101770A5 publication Critical patent/FR2101770A5/fr
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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
FR7126000A 1970-08-31 1971-07-06 Expired FR2101770A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6826470A 1970-08-31 1970-08-31

Publications (1)

Publication Number Publication Date
FR2101770A5 true FR2101770A5 (enExample) 1972-03-31

Family

ID=22081459

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7126000A Expired FR2101770A5 (enExample) 1970-08-31 1971-07-06

Country Status (5)

Country Link
US (1) US3669538A (enExample)
JP (1) JPS5137008B1 (enExample)
CA (1) CA952881A (enExample)
DE (1) DE2139326C3 (enExample)
FR (1) FR2101770A5 (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765762A (en) * 1971-09-24 1973-10-16 Donnici K Li Copying machine
DE2238944C3 (de) * 1972-08-08 1981-10-29 Agfa-Gevaert Ag, 5090 Leverkusen Beleuchtungsvorrichtung in einem Kopiergerät
US3830591A (en) * 1973-05-04 1974-08-20 Eastman Kodak Co Illumination apparatus
US3850523A (en) * 1973-07-13 1974-11-26 Minnesota Mining & Mfg Photocopier light box
JPS5123724A (en) * 1974-08-06 1976-02-25 Ricoh Kk Fukushakitoniokeru suritsutoshomeisochi
DE2452979C2 (de) * 1974-11-08 1981-12-24 Hoechst Ag, 6000 Frankfurt Beleuchtungseinrichtung in einem Projektionskopiergerät
US4043662A (en) * 1975-09-10 1977-08-23 Garfall Peter J Photographic light source
JPS5642666Y2 (enExample) * 1976-07-09 1981-10-06
US4086010A (en) * 1976-11-01 1978-04-25 Xerox Corporation Illumination system utilizing two opposing DC lamps with an optimum barrel-shaped slit
USRE31499E (en) 1976-11-01 1984-01-17 Xerox Corporation Illumination system utilizing two opposing DC lamps with an optimum barrel-shaped slit
JPS5392128A (en) * 1977-01-25 1978-08-12 Ricoh Co Ltd Illuminator for copying machine
JPS6015052B2 (ja) * 1977-10-12 1985-04-17 キヤノン株式会社 スリツト照明装置
US4333723A (en) * 1979-02-26 1982-06-08 Xerox Corporation Full frame flash illumination system utilizing a diffuse integrating optical cavity
US4298275A (en) * 1980-01-07 1981-11-03 Xerox Corporation Radially varying transmission filter for wide angle copying device
US4298274A (en) * 1980-01-07 1981-11-03 Rees James D Variable density filter for a multi-magnification copying device
JPS5726841A (en) * 1980-07-24 1982-02-13 Canon Inc Scanning illumination device
US4445774A (en) * 1982-04-30 1984-05-01 Xerox Corporation Document imaging system with improved exposure uniformity at image plane
JPS6046522A (ja) * 1983-08-25 1985-03-13 Masayasu Negishi 光制御装置
US4571058A (en) * 1984-11-08 1986-02-18 Xerox Corporation Flash illumination and optical imaging system
US4661828A (en) * 1985-03-20 1987-04-28 Miller Jr Verelyn A Optical imaging head
EP0216330B1 (de) * 1985-09-27 1992-01-22 Hoechst Aktiengesellschaft Beleuchtungseinrichtung in einem Projektionskopiergerät
US4733279A (en) * 1985-11-18 1988-03-22 Fuji Photo Film Co., Ltd. Microfilming camera
JPS6289639U (enExample) * 1985-11-27 1987-06-08
US4653901A (en) * 1986-04-18 1987-03-31 Xerox Corporation Document imaging system using a three-dimensional relative illumination corrector
US4887123A (en) * 1987-09-21 1989-12-12 Opti-Copy, Incorporated Boxlight for projection photoreproduction
JPH02275936A (ja) * 1989-04-18 1990-11-09 Brother Ind Ltd 露光方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR954581A (enExample) * 1950-01-03
DE1284830B (de) * 1967-11-30 1968-12-05 Agfa Gevaert Ag Mikrofilm-Aufnahmegeraet
US3586849A (en) * 1968-05-24 1971-06-22 Xerox Corp Illumination system

Also Published As

Publication number Publication date
CA952881A (en) 1974-08-13
DE2139326A1 (de) 1972-03-09
DE2139326C3 (de) 1982-02-25
JPS5137008B1 (enExample) 1976-10-13
DE2139326B2 (de) 1981-05-21
US3669538A (en) 1972-06-13

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Legal Events

Date Code Title Description
ST Notification of lapse