DE3517129C1 - Ink-ribbon cartridge for typewriters and similar machines and device for operating the ink-ribbon cartridge - Google Patents
Ink-ribbon cartridge for typewriters and similar machines and device for operating the ink-ribbon cartridgeInfo
- Publication number
- DE3517129C1 DE3517129C1 DE3517129A DE3517129A DE3517129C1 DE 3517129 C1 DE3517129 C1 DE 3517129C1 DE 3517129 A DE3517129 A DE 3517129A DE 3517129 A DE3517129 A DE 3517129A DE 3517129 C1 DE3517129 C1 DE 3517129C1
- Authority
- DE
- Germany
- Prior art keywords
- ribbon
- cassette
- ink
- ribbon cassette
- winding core
- 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
- 230000005855 radiation Effects 0.000 claims abstract description 25
- 238000004804 winding Methods 0.000 claims abstract description 12
- 239000003973 paint Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000012806 monitoring device Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000011514 reflex Effects 0.000 claims 1
- 238000009500 colour coating Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
- B41J35/36—Alarms, indicators, or feed disabling devices responsive to ink ribbon breakage or exhaustion
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
Description
bruch 11 eingearbeitet. Die Farbbandkassette 1 kann wie üblich auf ein Kassettendeck 12 aufgesetzt und z. B. mittels Klammern 13 festgehalten werden. Das Kassettendeck 12 kann beispielsweise so ausgebildet sein, daß es wenn es sich um eine Schreibmaschine handelt, mit jedem Abdruck angehoben wird, so daß das Farbband 2 auf die Höhe der zu druckenden Zeile gelangt.fraction 11 incorporated. The ribbon cassette 1 can be placed on a cassette deck 12 as usual and z. B. be held in place by means of brackets 13. The cassette deck 12 can for example be designed so that if it is a typewriter, it is raised with each impression so that the ribbon 2 reaches the height of the line to be printed.
Maschinenseitig ist einerseits eine Strahlungsquelle 14 so angeordnet, daß ihr Lichtstrahl 15 durch den Durchbruch 11 in der Wand 10 der Farbbandkassette 1 hindurch auf die Vorratsspule 3 gerichtet ist. Beispielsweise am Kassettendeck 12 oder einem darunter angeordneten Maschinenteil ist ein Strahlungssensor 16 angeordnet. Dessen Lage in der Maschine oder dem Drukker ist so, daß er in den hohlen Zapfen durch ein Loch im Kassettenboden 5 hindurch hineinragt, wenn die Farbbandkassette 1 auf dem Kassettendeck 12 festgelegt ist. In Abwandlung von dem dargestellten Ausführungsbeispiel ist es auch möglich, die Strahlungsquelle 14 und den Strahlungssensor 16 auszutauschen. Als Strahlungsquelle kann z. B. eine Infrarot-Leuchtdiode und als Strahlungssensor ein Infrarot-Photoempfänger Verwendung finden.On the machine side, there is a radiation source on the one hand 14 arranged so that its light beam 15 through the opening 11 in the wall 10 of the ribbon cassette 1 is directed through to the supply reel 3. For example, on the cassette deck 12 or one below it A radiation sensor 16 is arranged on the machine part. Its position in the machine or printer is such that it protrudes into the hollow pin through a hole in the cassette bottom 5 when the ribbon cassette 1 is set on the cassette deck 12. In a modification of the illustrated embodiment it is also possible to exchange the radiation source 14 and the radiation sensor 16. As a radiation source can e.g. B. an infrared light emitting diode and an infrared photoreceiver use as a radiation sensor Find.
Wenn das Farbband 2 in Richtung des Pfeiles A transportiert wird, dreht sich die Vorratsspule 3 schrittweise mit. Der von der Strahlungsquelle 14 ausgesendete Lichtstrahl 15 trifft auf die Vorratsspule 3 auf. Durch die Farbbeschichtung des Farbbandes kann der Lichtstrahl somit nicht bis zum Strahlungssensor 16 vordringen. Erst wenn das Ende des Farbbandes 2 auf der Vorratsspule 3 erreicht ist, gelangt bei der Drehung des Wickelkernes 8 dessen Durchbruch 9 in die Ebene des Lichtstrahls 15. Dadurch wird der Lichtsensor 16 aktiviert und gibt ein Signal ab, dessen Auswertung — wie in der Beschreibungseinleitung angegeben — vorgenommen werden kann.When the ribbon 2 is transported in the direction of arrow A , the supply reel 3 rotates step by step. The light beam 15 emitted by the radiation source 14 impinges on the supply reel 3. Due to the color coating of the color ribbon, the light beam cannot penetrate as far as the radiation sensor 16. Only when the end of the ribbon 2 on the supply reel 3 is reached, when the winding core 8 rotates, its opening 9 reaches the plane of the light beam 15. This activates the light sensor 16 and emits a signal whose evaluation - as in the introduction to the description specified - can be made.
Wesentlich ist, daß die Ausrichtung der Strahlungsquelle 14 so erfolgt, daß sie durch den Durchbruch 11 in der Kassettenwand 10 hindurch auf den Durchbruch 7 des Zapfens 6 ausgerichtet ist. Dadurch, daß mehrere Lagen des Farbbandes 2 auf der Vorratsspule 3 übereinanderliegen, gelangt der Lichtstrahl 15 auch dann nicht bis zum Strahlungssensor 16 vor, wenn das Farbband 2 eine farbige, z. B. rote, Farbschicht aufweist. Damit ist gewährleistet, daß unabhängig von der Farbschicht des Farbbandes 2 der Strahlungssensor 16 erst beaufschlagt wird, wenn tatsächlich das Farbbandende erreicht ist.It is essential that the radiation source 14 is aligned so that it passes through the opening 11 in the cassette wall 10 is aligned with the opening 7 of the pin 6 therethrough. Because several Layers of the ink ribbon 2 on the supply reel 3 are superimposed, the light beam 15 does not reach even then to the radiation sensor 16 before when the ribbon 2 is a colored, z. B. red, paint layer. So is ensures that irrespective of the color layer of the ink ribbon 2, the radiation sensor 16 is only acted upon when the end of the ribbon is actually reached.
Im Rahmen der Erfindung ist es unerheblich, ob das Ende des Farbbandes 2 mit einem durchsichtigen Streifen versehen ist oder z. B. mit seinem abeknickten Ende durch den Durchbruch 9 im Wickelkern 8 hindurch auf der Innenseite des Wickelkerns 8 angeklebt ist. In jedem Fall wird, wenn das Farbband zu Ende geht, der Wickelkern 8 einen Drehwinkel einnehmen, in welchem die Durchbrüche 7, 9 und 11 miteinander fluchten und dadurch ermöglichen, daß der Lichtstrahl 15 den Strahlungssensor 16 erreicht.In the context of the invention, it is irrelevant whether the end of the ribbon 2 is provided with a transparent strip or z. B. is glued with its bent end through the opening 9 in the winding core 8 on the inside of the winding core 8. In any case, when the ribbon runs out, the winding core 8 will assume an angle of rotation at which the openings 7, 9 and 11 are aligned with one another and thereby enable the light beam 15 to reach the radiation sensor 16.
Durch die beschriebene Ausbildung der Farbbandkassette 1 entstehen keinerlei Mehrkosten gegenüber einer herkömmlichen Farbbandkassette. Die maschinenseitig vorgesehenen Bauelemente, wie Strahlungsquelle 14 und Strahlungssensor 16 und deren nachgeschaltete elektronische Steuerschaltung sind in Schreibmaschinen üblich, so daß auch durch sie keine nennenswerten Mehrkosten entstehen.The described design of the ribbon cassette 1 does not result in any additional costs a conventional ribbon cartridge. The components provided on the machine side, such as the radiation source 14 and radiation sensor 16 and their downstream electronic control circuit are in typewriters common, so that they do not result in any noteworthy additional costs.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
- Leerseite - - blank page -
Claims (3)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3517129A DE3517129C1 (en) | 1985-05-11 | 1985-05-11 | Ink-ribbon cartridge for typewriters and similar machines and device for operating the ink-ribbon cartridge |
IT8522809A IT1215316B (en) | 1985-05-11 | 1985-11-13 | RIBBON HOLDER BOX FOR WRITING MACHINES AND SIMILAR MACHINES, AS WELL AS DEVICE TO OPERATE THE RIBBON HOLDER BOX. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3517129A DE3517129C1 (en) | 1985-05-11 | 1985-05-11 | Ink-ribbon cartridge for typewriters and similar machines and device for operating the ink-ribbon cartridge |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3517129C1 true DE3517129C1 (en) | 1986-11-20 |
Family
ID=6270566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3517129A Expired DE3517129C1 (en) | 1985-05-11 | 1985-05-11 | Ink-ribbon cartridge for typewriters and similar machines and device for operating the ink-ribbon cartridge |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3517129C1 (en) |
IT (1) | IT1215316B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3723279A1 (en) * | 1986-07-15 | 1988-01-21 | Monarch Marking Systems Inc | PRINTER WITH RIBBON CASSETTE AND METHOD AND DEVICE FOR INSERTING THE CASSETTE |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4146338A (en) * | 1977-03-30 | 1979-03-27 | Xerox Corporation | End-of-ribbon sensor circuitry |
DE3109299A1 (en) * | 1980-03-17 | 1982-01-07 | Canon K.K., Tokyo | "PRINTING DEVICE" |
EP0094904A1 (en) * | 1982-05-14 | 1983-11-23 | Hermes Precisa International S.A. | End-of-ribbon sensor device for typewriters |
CH643781A5 (en) * | 1977-12-29 | 1984-06-29 | Ibm | DEVICE FOR DETECTING ERRORS WHEN PRINTING WITH IMPRINT PRINTERS. |
-
1985
- 1985-05-11 DE DE3517129A patent/DE3517129C1/en not_active Expired
- 1985-11-13 IT IT8522809A patent/IT1215316B/en active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4146338A (en) * | 1977-03-30 | 1979-03-27 | Xerox Corporation | End-of-ribbon sensor circuitry |
CH643781A5 (en) * | 1977-12-29 | 1984-06-29 | Ibm | DEVICE FOR DETECTING ERRORS WHEN PRINTING WITH IMPRINT PRINTERS. |
DE3109299A1 (en) * | 1980-03-17 | 1982-01-07 | Canon K.K., Tokyo | "PRINTING DEVICE" |
EP0094904A1 (en) * | 1982-05-14 | 1983-11-23 | Hermes Precisa International S.A. | End-of-ribbon sensor device for typewriters |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3723279A1 (en) * | 1986-07-15 | 1988-01-21 | Monarch Marking Systems Inc | PRINTER WITH RIBBON CASSETTE AND METHOD AND DEVICE FOR INSERTING THE CASSETTE |
Also Published As
Publication number | Publication date |
---|---|
IT8522809A0 (en) | 1985-11-13 |
IT1215316B (en) | 1990-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of patent without earlier publication of application | ||
D1 | Grant (no unexamined application published) patent law 81 | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |