FR2346919B1 - - Google Patents
Info
- Publication number
- FR2346919B1 FR2346919B1 FR7709991A FR7709991A FR2346919B1 FR 2346919 B1 FR2346919 B1 FR 2346919B1 FR 7709991 A FR7709991 A FR 7709991A FR 7709991 A FR7709991 A FR 7709991A FR 2346919 B1 FR2346919 B1 FR 2346919B1
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
- H04N1/4005—Circuits exciting or modulating particular heads for reproducing continuous tone value scales with regulating circuits, e.g. dependent upon ambient temperature or feedback control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
- H04N1/40037—Circuits exciting or modulating particular heads for reproducing continuous tone value scales the reproducing element being a laser
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Fax Reproducing Arrangements (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Laser Beam Printer (AREA)
- Facsimile Scanning Arrangements (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/672,706 US4197560A (en) | 1976-04-01 | 1976-04-01 | Exposure control for selective speed xerographic printing and the like |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2346919A1 FR2346919A1 (fr) | 1977-10-28 |
| FR2346919B1 true FR2346919B1 (enExample) | 1983-10-14 |
Family
ID=24699672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7709991A Granted FR2346919A1 (fr) | 1976-04-01 | 1977-04-01 | Procede et appareil de commande d'exposition pour une impression xerographique a vitesse variable |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4197560A (enExample) |
| JP (1) | JPS52120614A (enExample) |
| CA (1) | CA1107808A (enExample) |
| FR (1) | FR2346919A1 (enExample) |
| GB (1) | GB1572621A (enExample) |
| NL (1) | NL7702793A (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4319285A (en) * | 1976-04-01 | 1982-03-09 | Xerox Corporation | Exposure control for selective speed xerographic printing and the like |
| US4249807A (en) * | 1979-05-14 | 1981-02-10 | The Gerber Scientific Instrument Company | Color plotting device and method |
| JPS574780A (en) | 1980-06-13 | 1982-01-11 | Fuji Xerox Co Ltd | Multilevel image printer |
| JPS58133081A (ja) * | 1982-02-02 | 1983-08-08 | Canon Inc | 画像記録装置 |
| JPS5974542A (ja) * | 1982-10-22 | 1984-04-27 | Hitachi Ltd | プリンタ |
| US4583128A (en) * | 1984-08-27 | 1986-04-15 | Minnesota Mining And Manufacturing Company | Continuous tone recording system incorporating feedback control circuit |
| US4803497A (en) * | 1987-08-31 | 1989-02-07 | Dr.-Ing. Rudolf Hell Gmbh | Laser diode output power stabilization in a laser imagesetter |
| JP2002297346A (ja) * | 2001-03-29 | 2002-10-11 | Ricoh Co Ltd | Ｓｂｃ対応プリンタ出力システム、ｓｂｃ対応プリンタ出力方法、該方法を実現するプログラム及び該プログラムのプログラム記録媒体 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB284285A (en) * | 1927-01-27 | 1929-02-07 | Heinrich Johannes Kuchen Meist | Means for regulating the strength of sound in photo-electric reproduction from soundfilms |
| US2274530A (en) * | 1940-08-24 | 1942-02-24 | Rca Corp | Automatic light intensity control for sound apparatus |
| US3105426A (en) * | 1960-04-04 | 1963-10-01 | Xerox Corp | Xerographic apparatus |
| US3316348A (en) * | 1963-05-01 | 1967-04-25 | Perkin Elmer Corp | Scanning system for recording pictorial data |
| US3245083A (en) * | 1965-03-12 | 1966-04-05 | Clevite Corp | Direct writing oscillograph |
| US3354465A (en) * | 1965-10-22 | 1967-11-21 | Cons Electrodynamics Corp | Constant density oscillograph trace |
| US3482254A (en) * | 1967-12-06 | 1969-12-02 | Telex Inc | Apparatus for recording the time-variation of an electrical signal utilizing a pulsed laser |
| US3750189A (en) * | 1971-10-18 | 1973-07-31 | Ibm | Light scanning and printing system |
| US3858004A (en) * | 1973-05-17 | 1974-12-31 | Xerox Corp | Filter for selective speed xerographic printing in facsimile transceivers and the like |
-
1976
- 1976-04-01 US US05/672,706 patent/US4197560A/en not_active Expired - Lifetime
-
1977
- 1977-03-09 CA CA273,520A patent/CA1107808A/en not_active Expired
- 1977-03-15 NL NL7702793A patent/NL7702793A/xx not_active Application Discontinuation
- 1977-03-25 JP JP3320577A patent/JPS52120614A/ja active Pending
- 1977-03-29 GB GB13161/77A patent/GB1572621A/en not_active Expired
- 1977-04-01 FR FR7709991A patent/FR2346919A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1107808A (en) | 1981-08-25 |
| FR2346919A1 (fr) | 1977-10-28 |
| US4197560A (en) | 1980-04-08 |
| GB1572621A (en) | 1980-07-30 |
| JPS52120614A (en) | 1977-10-11 |
| NL7702793A (nl) | 1977-10-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |