DE1436656A1 - Process for writing and printing units to generate characters that remain visible - Google Patents
Process for writing and printing units to generate characters that remain visibleInfo
- Publication number
- DE1436656A1 DE1436656A1 DE19631436656 DE1436656A DE1436656A1 DE 1436656 A1 DE1436656 A1 DE 1436656A1 DE 19631436656 DE19631436656 DE 19631436656 DE 1436656 A DE1436656 A DE 1436656A DE 1436656 A1 DE1436656 A1 DE 1436656A1
- Authority
- DE
- Germany
- Prior art keywords
- radiation
- writing
- carrier
- particles
- electrostatic
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/398—Processes based on the production of stickiness patterns using powders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/465—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using masks, e.g. light-switching masks
- B41J2/4655—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using masks, e.g. light-switching masks using character templates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/475—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material for heating selectively by radiation or ultrasonic waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
-
- 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
- G03B27/02—Exposure apparatus for contact printing
- G03B27/14—Details
- G03B27/30—Details adapted to be combined with processing apparatus
- G03B27/306—Heat development
-
- 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
- G03G15/24—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 whereby at least two steps are performed simultaneously
-
- 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
- G03G15/34—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 powder image is formed directly on the recording material, e.g. by using a liquid toner
- G03G15/344—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 powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G19/00—Processes using magnetic patterns; Apparatus therefor, i.e. magnetography
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/14—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by electrographic printing, e.g. xerography; by magnetographic printing
-
- 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
- Y10S101/00—Printing
- Y10S101/37—Printing employing electrostatic force
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Printing Methods (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Magnetic Record Carriers (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Electronic Switches (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
Description
Verfahren für Schreib- und Druckwerke z-.zm Erzeugen
sichtbar
verbleibender Schriftzeichen
Hei den meisten bekannten Schreibmaschinen ist auch die begrenzte Anzahl von Drucktypen ein Nachteil, deren Ausw$chs-.1ung oder Ergänzung im Laufe des Schreib- oder Druckwarganges entweder gar nicht oder doch nur in sehr umständlicher Weise zu btxerlsstelligt'n ist. With most known typewriters , the limited number of types of printing is also a disadvantage, the selection or addition of which in the course of the writing or printing process either cannot be done at all or only in a very laborious manner .
Über die bisher erwähnten bekannten Druck- und Schreibwerke hinaus sind auch andere Systeme bekanntgeworden, die zwar ebenfalls Typen aufweisen, aber keinen mechanischen Anschlag erfordern. Zu diesen gehören die magnetischen Schreibsysteme, bei denen die fijrpen magnetisch leitend ausgebildet sind und bei Einschaltung eissec Erregermagneten eine der Form des jeweils abzudruckenden Zeichens entsprechende Änderung des Mggnetisierungszustandea eines magnetischen Trägers aufzeichnen. Der Schriftsatz entsteht also bei diesen Systemen zunächst als unsichtbaren Magnetisierungsbild (Magnetschrift) auf einem Zwischenträger, des erst anschließend durch Bestäubung mit Magnetpulver und Übertragung des somit erzeugten sichtbaren Bilden auf die eigentliche Aufzeichnungsfläche lesbar und fixier-bar wird. Die Fixierung erfolgt anAchließend durch @"irmeeü3lti: kung. Die Nachteile solcher Druck- und Schreibsysteme ergeben sich schon*aus der vorstehenden Aufzählung der einzelnen Aufzeichnungs-, Übertragungs- und Fixiervorgaage, die umfang- reiche Zusatzeinrichtungen erfordern und außerdem das un- mittelbare Mitlesen der Aufzeichnungen während des Schreib- vorganges nicht zulassen. In addition to the known printing and writing units mentioned above, other systems have also become known which, although they also have types, do not require a mechanical stop. These include the magnetic write systems in which are formed fijrpen magnetically conductive and each character to be printed out corresponding change to record a magnetic carrier at power eissec exciter magnet to the shape of the Mggnetisierungszustandea. The brief first formed so with these systems as invisible magnetization image (MICR) on an intermediate carrier, the only then readable by pollination with magnetic powder and transferring the visible form thus generated to the actual recording surface and fixing bar is. Fixing is by anAchließend @ "irmeeü3lti: kung The disadvantages of such printing and writing systems already result * from the above list of the individual recording, transmission and Fixiervorgaage that require extensive additional equipment and also the un- indirect eavesdropping of. Do not allow recordings during the writing process.
Es ist daher ersichtlich, daß auch solche Schreib- und Drucksysteme für eine leichte und preiswerte Maschine nicht verwendbar sind, zumal nach wie vor die teure Herstellung und Einrichtung der Typen nicht zu umgehen ist. It is therefore evident that such writing and printing systems cannot be used for a light and inexpensive machine , especially since the expensive production and installation of the types cannot be avoided.
'Die gleichen Überlegungen gelten mit nur geringer Einschränkung auch für andere bekannte Schreibsysteme, die das jeweils abzudruckende Schriftbild durch optische Mittel auf einen Zwischenträger projizieren und dort zunächst als elektrisches Ladungsbild festhälten. Auch in diesem Falle entsteht das Schriftbild in der ersten Aufzeichnungsstufe als virtuelles Bild, das noch unsichtbar ist und erst nach Ablauf mehrerer weiterer Verfahrensstufen auf der Aufzeichnungsfläche sichtbar wird und anschließend fixiert werden kann. The same considerations also apply, with only minor restrictions , to other known writing systems which project the written image to be printed onto an intermediate carrier by optical means and initially hold it there as an electrical charge image. Also in this case, the signature image is formed in the first recording step as a virtual image, which is invisible and still more further process steps will be visible only after the expiry on the recording surface and can then be fixed.
Auch diäses System läßt daher ein Mitlesen der Schrift während des Schreib- bar. DreuckYorganges nicht -zu, sondern erfordert vielmehr mit erheblichem Zeitverlust aufeinander folgende Aufzeichnungs-, Entwicklungs- und Abdruckvorgänge, bei denen zunächst-mehrere auf einem Z.isähenträger gespeicherte Text- zeilen unsichtbar bleiben und erst sehr viel später als sichtbare Schrift reproduziert werden. Therefore diäses system allows unauthorized reading of Scripture during the write bar. DreuckYorganges not -to, but rather requires successive recording, development and printing processes with considerable loss of time , in which initially several lines of text stored on a Z.isähträger remain invisible and are only reproduced much later as visible writing.
Usf nun diese mit so bemerkenswerten Unvollkommenheiten behafte- ten Aufzeichnungsverfahren und-vorrichtungen durch bessere# den moderen Anforderungen entsprechende Lösungen zu ersetzen und gleichzeitig eine beachtliche Steigerung der Arbeltsgeschxindigkeit zu ermöglichen, schlägt die Erfindung ein .-Verfahren zum Erzeugen sichtbar verbleibender Schriftzeichen in ansteuerbaren Schreibpositionen auf mindestens einem AufzeIchnungsblatt vor, das die Mängel der bisher bekannten Ver- fahren beseitigt und mit Vorrichtungen arbeitete die mit weniger Lohnkosten zu erstellen sind und ein wesentlich geringe- res Gewicht aufweisen.Etc. Now it with such remarkable imperfections behafte- th recording method and devices by better # replace while allowing a considerable increase in the Arbeltsgeschxindigkeit the moderen requirements appropriate solutions, the invention proposes a .- method of generating visible remaining characters in controllable write positions on at least one recording sheet in front, the drive are eliminated the shortcomings of the previously known supply and worked with means to create with less labor cost and have a much geringe- res weight.
Das neue Verfahren ist im wesentlichen dadurch gekennzeichnet, daß für jedes ausgewählte Schriftzeichen ein diesem entsprechend geformtes oder geführtes und auf die jeweils angesteuerte Schreibposition gerichtetes Strahlenbündel das Verhalten von auf einem Träger in den Bereich der Schreibposition eingeführten Farbpartikeln durch Veränderung ihrer Ladung und/oder der Ladung des Trägers derart beiein-. .flvßt, daß die Farbpartikel unter der Wirkung elektrosta- tischer und/oder magnetischer Kräfte noch während des Verxetlens der Schreibposition im Strahlungsbereich auf das Aufzeichnungsblatt übertragen und dort zur Vorbereitung der Fixierung erweicht oder verflüssigt werdet,.. The new method is essentially characterized in that, for each selected character, a correspondingly shaped or guided beam of rays directed at the respective driven writing position shows the behavior of color particles introduced on a carrier in the area of the writing position by changing their charge and / or the charge of the carrier in such a way. .flvßt that the paint particles will transfer under the action of electrostatic and / or magnetic forces even during the Verxetlens the writing position in the radiation area on the recording sheet and there is softened in preparation for the fixation or liquefied ..
Das neue Verfahren ermöglicht es, Schriftzeichen ohne den bisher notwendigen mechanischen Aufwand praktisch geräuschlos auf einer Aufzeichnungsflüche zu erzeugen und im gleichen e . Arbeitsgang zu fixieren. . The new method makes it possible to generate characters practically noiselessly on a recording surface without the mechanical effort previously required and in the same e. Fixing operation. .
Eine schwere, als Druckunterlage dienende Schreibwalze kann dabei in vorteilhafter Weise vollkommen vermieden werden. Lohnintensive Präzisionsteile werden nicht annähernd im bisherigen Umfang benötigt. Darüber hinaus läßt sich die Schreibgeschwindigkeit der nach dem neuen Verfahren beschrie- benen Vorrichtung über die bisherigen Grenzen hinaus steigern. Als Strahlungserzeuger können je nach Anwendungszweck grund- sätzlich alle unter der allgemeinen Bezeichnung "Laser" zu- sammengefaßten Strahlungsquellen Verwendung finden. Gegenbenenfalls sind aber auch andere Strahlungsquellen brauchbare sofern sie eine Ausreichende Strahlungsenergie in-den kurzen Aufzeichnungsperioden abgeben können und für die Schreib- folge elektrisch ansteuerbar oder schaltbar sind. A heavy platen serving as a printing substrate can be avoided completely in an advantageous manner. Wage-intensive precision parts are nowhere near required in the previous scope. In addition , the writing speed of the device described according to the new method can be increased beyond the previous limits. As radiation generator can depending on the application in principle, all under the general term "laser" to-sammengefaßten radiation sources using find. To avoid such but also other radiation sources are useful if they can deliver short recording periods, a sufficient radiation energy to domestic and for the write sequence driven electrically switchable or are.
Weitere Einzelheiten der Erfindung ergeben sich an Hand
der
zeichnerischen Darstellungen aus dem nachfolgenden Besshreibungatext
und den Ansprächen. Die Zeichnungen zeigen im
einzelnen folgendes:
Claims (1)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG0045985 | 1963-02-15 | ||
DEG0037079 | 1963-02-15 | ||
DEG0045985 | 1963-02-15 | ||
DEG0039990 | 1964-03-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1436656A1 true DE1436656A1 (en) | 1969-03-27 |
DE1436656B2 DE1436656B2 (en) | 1973-01-18 |
DE1436656C DE1436656C (en) | 1973-08-02 |
Family
ID=33457928
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19631436656 Granted DE1436656B2 (en) | 1963-02-15 | 1963-02-15 | PROCESS FOR GENERATING VISIBLY REMAINING CHARACTERS FROM RADIATION INFLUENCED COLOR PARTICLES |
DE1436647A Expired DE1436647C3 (en) | 1963-02-15 | 1963-02-15 | Method and device for generating characters that remain visible on a recording medium |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1436647A Expired DE1436647C3 (en) | 1963-02-15 | 1963-02-15 | Method and device for generating characters that remain visible on a recording medium |
Country Status (4)
Country | Link |
---|---|
US (2) | US3392642A (en) |
CH (2) | CH479405A (en) |
DE (2) | DE1436656B2 (en) |
GB (2) | GB1094073A (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3621967A (en) * | 1969-05-02 | 1971-11-23 | Irving I Brown | Liquid emission typewriter |
BE788619A (en) * | 1971-11-22 | 1973-01-02 | Rca Corp | METHOD FOR INCREASING THE EXPOSURE TIME TO AN IMAGE AND DEVELOPING THE SENSITIVITY OF A MAGNETO-ELECTRIC PRINTING SYSTEM |
US3898082A (en) * | 1972-05-17 | 1975-08-05 | Rca Corp | Method of making a transparency of a colored image in a magneto-electric printing system |
US4007044A (en) * | 1973-12-11 | 1977-02-08 | Ricoh Co., Ltd. | Color electrophotographic process |
US4103995A (en) * | 1975-04-18 | 1978-08-01 | Xerox Corporation | Imaging apparatus |
US4046472A (en) * | 1975-04-18 | 1977-09-06 | Xerox Corporation | Electrostatic imaging apparatus |
NL7707546A (en) * | 1977-07-07 | 1979-01-09 | Oce Van Der Grinten Nv | METHOD FOR MAGNETIC TRANSFER OF A POWDER IMAGE. |
NL7707547A (en) * | 1977-07-07 | 1979-01-09 | Oce Van Der Grinten Nv | METHOD FOR MAGNETIC TRANSFER OF A POWDER IMAGE. |
JPS55132269A (en) * | 1979-04-02 | 1980-10-14 | Canon Inc | Recording device |
DE3051235C2 (en) * | 1979-04-02 | 1996-12-12 | Canon Kk | Recorder for computer or office machine print-out |
JPS5647061A (en) * | 1979-09-26 | 1981-04-28 | Canon Inc | Image forming method |
EP0044306A1 (en) * | 1979-10-19 | 1982-01-27 | Eric Marshall Design International Ltd. | High speed printer |
DE3248178C2 (en) * | 1982-12-27 | 1987-02-19 | Forschungsgesellschaft Druckmaschinen E.V., 6000 Frankfurt | Image-based coating of printing plates for planographic printing |
US4743920A (en) * | 1985-07-31 | 1988-05-10 | Canon Kabushiki Kaisha | Thermal transfer recording method and apparatus |
EP0253300B1 (en) * | 1986-07-11 | 1990-11-22 | Siemens Aktiengesellschaft | Thermo-transfer printer |
DE3771634D1 (en) * | 1986-09-30 | 1991-08-29 | Siemens Ag | THERMAL TRANSFER PRINTING DEVICE. |
US4841316A (en) * | 1988-02-17 | 1989-06-20 | The Gerber Scientific Instrument Company | Photohead system for positioning an aperture wheel and method of making an aperture disc |
EP0565460A2 (en) * | 1992-04-09 | 1993-10-13 | Eastman Kodak Company | Improved thermal printing system |
GB2310504A (en) * | 1996-02-23 | 1997-08-27 | Spectrum Tech Ltd | Laser marking apparatus and methods |
US5811792A (en) * | 1997-01-02 | 1998-09-22 | Wisconsin Label Corporation | Method and apparatus for accessing contents of envelopes and other similarly concealed information |
CN101561621B (en) * | 2008-04-17 | 2010-12-08 | 鸿富锦精密工业(深圳)有限公司 | Anti-dazzling screen and an optical projector using the anti-dazzling screen |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1435850A (en) * | 1920-12-20 | 1922-11-14 | George C Hulse | Photographic-printing machine |
US2236767A (en) * | 1937-09-07 | 1941-04-01 | Tison Percy | Means for slating and synchronizing in motion pictures |
US2740895A (en) * | 1950-08-21 | 1956-04-03 | Minnesota Mining & Mfg | Thermoprinting apparatus |
US3122075A (en) * | 1953-03-18 | 1964-02-25 | Time Inc | Photocomposing mechanism |
US2798959A (en) * | 1953-10-01 | 1957-07-09 | Rca Corp | Photoconductive thermography |
FR1202827A (en) * | 1956-06-04 | 1960-01-13 | Ibm | Variable spacing device for xerographic recording |
US3006259A (en) * | 1956-06-04 | 1961-10-31 | Ibm | Proportional space recording devices |
US3056136A (en) * | 1957-10-31 | 1962-09-25 | Jack E Macgriff | Image control device and method of printing |
US2924519A (en) * | 1957-12-27 | 1960-02-09 | Ibm | Machine and method for reproducing images with photoconductive ink |
US3093039A (en) * | 1958-05-12 | 1963-06-11 | Xerox Corp | Apparatus for transferring powder images and method therefor |
US3166420A (en) * | 1959-05-07 | 1965-01-19 | Xerox Corp | Simultaneous image formation |
US3071645A (en) * | 1959-09-09 | 1963-01-01 | Gen Dynamics Corp | Recorder utilizing electrostatic charges |
US3121791A (en) * | 1960-06-21 | 1964-02-18 | Robert B Russell | Thermotransfer copy process wherein a heat sink is positioned within the composite |
US3115076A (en) * | 1961-10-30 | 1963-12-24 | Rca Corp | Communication printer |
US3261284A (en) * | 1962-03-26 | 1966-07-19 | Ibm | Non-impact electrostatic printer |
US3218967A (en) * | 1962-12-20 | 1965-11-23 | Electrostatic Printing Corp | Selective printing using electrostatic techniques |
US3301152A (en) * | 1964-11-27 | 1967-01-31 | Xerox Corp | Xerographic copying apparatus |
US3570380A (en) * | 1968-06-07 | 1971-03-16 | Olivetti & Co Spa | Impactless typewriter |
-
0
- GB GB1084285D patent/GB1084285A/en active Active
-
1963
- 1963-02-15 DE DE19631436656 patent/DE1436656B2/en active Granted
- 1963-02-15 DE DE1436647A patent/DE1436647C3/en not_active Expired
-
1964
- 1964-09-21 CH CH1224764A patent/CH479405A/en not_active IP Right Cessation
-
1965
- 1965-01-25 US US427693A patent/US3392642A/en not_active Expired - Lifetime
- 1965-02-15 CH CH201865A patent/CH523780A/en not_active IP Right Cessation
- 1965-03-01 GB GB8580/65A patent/GB1094073A/en not_active Expired
-
1973
- 1973-01-26 US US00326864A patent/US3854808A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE1436647A1 (en) | 1969-04-30 |
DE1436651A1 (en) | 1969-02-06 |
GB1084285A (en) | |
US3854808A (en) | 1974-12-17 |
GB1094073A (en) | 1967-12-06 |
DE1436656B2 (en) | 1973-01-18 |
CH479405A (en) | 1969-10-15 |
DE1436651B2 (en) | 1972-10-19 |
DE1436647C3 (en) | 1975-03-06 |
CH523780A (en) | 1972-06-15 |
US3392642A (en) | 1968-07-16 |
DE1436647B2 (en) | 1974-07-11 |
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