JPS6325057A - Connection mechanism of printing head of thermal transfer printer - Google Patents

Connection mechanism of printing head of thermal transfer printer

Info

Publication number
JPS6325057A
JPS6325057A JP16863286A JP16863286A JPS6325057A JP S6325057 A JPS6325057 A JP S6325057A JP 16863286 A JP16863286 A JP 16863286A JP 16863286 A JP16863286 A JP 16863286A JP S6325057 A JPS6325057 A JP S6325057A
Authority
JP
Japan
Prior art keywords
power source
contact
wire
printing head
piece
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.)
Pending
Application number
JP16863286A
Other languages
Japanese (ja)
Inventor
Arata Matsunaga
松永　新
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP16863286A priority Critical patent/JPS6325057A/en
Publication of JPS6325057A publication Critical patent/JPS6325057A/en
Pending legal-status Critical Current

Links

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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/345—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads characterised by the arrangement of resistors or conductors

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To prevent various troubles generated by the connection of an electric circuit in a transient state when insertion and pulling-out are performed, by a method wherein a signal wire is connected to be brought into a continuity state and a power source wire is subsequently connected to be brought into a continuity state at the time of insertion and the power source wire is separated and the signal wire is subsequently separated at the time of pulling- out. CONSTITUTION:Contact pieces 12-14 for the circuit connection of a printing head 1 are provided and the contact pieces 12, 13 are used in a supply wire of a power source and the return wire thereof and the contact piece 14 is used for a printing signal. Each of the contact pieces 12, 13 for the power source is formed so as to be made shorter than the contact piece 14 for a circuit provided in parallel to them. When the printing head 1 is inserted in a receiving port 15, the contact piece 14 is brought into contact with a connection piece 16 at first to perform circuit connection and the contact pieces 12, 13 for the power source are subsequently brought into contact with the connection piece 16 to supply a current to the power source. When the printing head 11 is pulled out from the receiving port 15, reverse order is taken. By this method, an unstable state at a transient time when the power source supply wire and the signal wire are simultaneously connected is avoided and trouble such as the destruction of an element can be prevented.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、熱転者プリンタのプリントヘッドの接続機構
に関し、特に熱転写のプリントヘッドにおいて、その挿
抜を行なうときの過渡状態で起きる電気回路の接続で発
生する諸障害を防ぐ保護のための接続順序づける接続機
構に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a connection mechanism for a print head of a thermal transfer printer, and particularly to a connection mechanism for a print head of a thermal transfer printer. This invention relates to a connection mechanism that orders connections to protect against various failures that may occur during connections.

〔従来の技術〕[Conventional technology]

従来、熱転写プリンタのプリントヘッドは、清掃及び寿
命交換のため挿抜機構を有しており、１０及至数１０の
接触子を持つ１列型コネクタがよく用いられ、又、プリ
ントのための電源供給線も同じコネクタで接続されてい
た。Conventionally, the print head of a thermal transfer printer has an insertion/removal mechanism for cleaning and replacement at the end of its life, and single-row connectors with 10 to several dozen contacts are often used, and a power supply line for printing is required. were also connected using the same connector.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

上述した従来の挿抜機構では、電源供給線も同じコネク
タで行なうため、プリントヘッドの挿抜を行なうときは
前もってプリンタへの電源供給を切断する操作を必要と
することや、切断操作を怠るとプリンＩ・ヘッド内の素
子破壊となる危険性があるという欠点があった。In the above-mentioned conventional insertion/extraction mechanism, the power supply line is also connected to the same connector, so it is necessary to disconnect the power supply to the printer before inserting/extracting the print head, and if the disconnection operation is not performed, the printer I/O - There was a drawback that there was a risk of element destruction within the head.

〔問題点を解決するための手段〕[Means for solving problems]

本発明の熱転写プリンタのプリントヘッドの接続機構は
、プリントヘッドの信号線と電源線を持つ接触子と、該
接触片の受け口とを有する挿抜機構を備え、その挿入時
には、信号線が接続・導通し次に電源線が接続・導通し
て、抜取時には電源線が分離され次に信号線が分離され
る構造を有している。The connection mechanism of the print head of the thermal transfer printer of the present invention includes an insertion/extraction mechanism having a contact having a signal line and a power line of the print head, and a socket for the contact piece, and when the connection mechanism is inserted, the signal line is connected and conductive. Then, the power line is connected and conductive, and when it is removed, the power line is separated and then the signal line is separated.

〔実施例〕〔Example〕

次に本発明の実施例について図面を参照して説明する。 Next, embodiments of the present invention will be described with reference to the drawings.

第１図（ａ）（ｂ）は本発明の一実施例のプリントヘッ
ドを示す。第１図において、本実施例のプリントヘッド
はプリントヘッドの回路接続のための接触片１２，１３
．１４を有しており、この接触片１２．１３は電源供給
線及びその帰線に用いられ、接触片１４はプリント信号
のために用いられる。電源供給線及びその帰線の接触片
１２゜１３はこれに平行に設けられている回路用の接触
片１４より短く形成されている。第２図（ａ）（ｂ）は
本発明の一実施例のプリントヘッド受け口を示す。第２
図において、このプリントヘッドの受け口１５は複数の
接続片１６が接触片１２゜１３．１４に対応して装備さ
れている。FIGS. 1(a) and 1(b) show a print head according to an embodiment of the present invention. In FIG. 1, the print head of this embodiment has contact pieces 12 and 13 for connecting the circuit of the print head.
．． 14, the contact pieces 12, 13 are used for the power supply line and its return line, and the contact piece 14 is used for the print signal. The contact pieces 12 and 13 for the power supply line and its return line are formed shorter than the circuit contact piece 14 provided in parallel thereto. FIGS. 2(a) and 2(b) show a print head receptacle according to an embodiment of the present invention. Second
In the figure, the receptacle 15 of this print head is equipped with a plurality of connecting pieces 16 corresponding to the contact pieces 12, 13, and 14.

このような構造にすることにより、プリントへラド１１
を受け口１５に挿入するときまず接触片１４が接続片１
６と接触して回路接続がなされ、しかる後に電源供給線
及び帰線の接触片１２゜１３が接続片１６と接触して電
源供給される。このため、挿入時のプリ〉′トヘッド１
１への電源投入が異常なく行なわれる。又、プリントへ
ラド１１を受け口１５から抜き取るときはまず接触片１
２．１３が接続片１６と離れ、しかる後に接触片１４が
接続片１６と離れるため、電源切断も同じく異常なく行
なわれる。接続片１６の他端は引き出し線１７を介して
回路に接続されるように構成されている。By having such a structure, the print head 11
When inserting the socket 15 into the socket 15, the contact piece 14 first touches the connecting piece 1.
6 to establish a circuit connection, and then the power supply line and return line contact pieces 12 and 13 come into contact with the connecting piece 16 to supply power. For this reason, when inserting the printer head 1
1 is turned on without any abnormality. Also, when removing the print head 11 from the socket 15, first remove the contact piece 1.
2.13 separates from the connecting piece 16, and then the contact piece 14 separates from the connecting piece 16, so that the power is also cut off without any abnormality. The other end of the connecting piece 16 is configured to be connected to a circuit via a lead wire 17.

尚、本実施例では、電源供給線及びその帰線１２．１３
が短く接触片１４を長い状態として説明したが、接触片
１２．１３．１４を同じ長さとして、接続片１６の設置
位置を接触片１２．１３−とは遠く、接触片１４とは近
くなるように設けても同じ効果のあることは明白である
。In addition, in this embodiment, the power supply line and its return line 12.13
The explanation has been made assuming that the contact pieces 14 are short and the contact piece 14 is long, but if the contact pieces 12, 13, and 14 are the same length, the installation position of the connecting piece 16 is far from the contact pieces 12, 13-, and close to the contact piece 14. It is clear that the same effect can be achieved even if the

〔発明の効果〕〔Effect of the invention〕

以上説明したように本発明は、電源供給線と信号線の接
続順序づけを実施することにより、電源供給線と信号線
が同時に接続されるときの過渡時の不安定状態を回避で
きるため、プリンタの電源を投入した状態でプリントヘ
ッドの挿抜が支障なく実行できる効果がある。As explained above, the present invention avoids an unstable state during a transient period when the power supply line and the signal line are connected at the same time by arranging the connection order of the power supply line and the signal line. This has the effect that the print head can be inserted and removed without any trouble while the power is turned on.

【図面の簡単な説明】[Brief explanation of drawings]

第１図（ａ＞（ｂ）は本発明の一実施例におけるプリン
トヘッドを示す図、第２図（ａ＞（ｂ）は第１図のプリ
ントヘッドの受け口を示す。 １１・・・プリントヘッド、１２．１３・・・接触片、
１４・・・信号のための接触片、１５・・・プリントヘ
ッドの受け口、１６・・・接触片、１７・・・引き出し
線。 寮１０ （ａｒ　　　　　　　　　　　　　イリ１（どFIG. 1 (a>(b) shows a print head in an embodiment of the present invention, FIG. 2 (a>(b) shows a socket for the print head in FIG. 1. 11...Print head , 12.13... contact piece,
14... Contact piece for signals, 15... Print head socket, 16... Contact piece, 17... Leading wire. Dormitory 10 (ar iri 1)

Claims (1)

【特許請求の範囲】[Claims] プリントヘッドの信号線と電源線を持つ接触片と、該接
触片の受け口とを有する挿抜機構を備え、その挿入時に
は、信号線が接続・導通し次に電源線が接続・導通して
、抜取時には電源線が分離され次に信号線が分離される
ように構成されたことを特徴とする熱転写プリンタのプ
リントヘッドの接続機構。It is equipped with an insertion/extraction mechanism that has a contact piece with the signal line and power line of the print head, and a socket for the contact piece, and when it is inserted, the signal line is connected and conductive, and then the power line is connected and conductive, and then it is removed. A connection mechanism for a print head of a thermal transfer printer, characterized in that the connection mechanism of a print head of a thermal transfer printer is sometimes configured such that a power line is separated and then a signal line is separated.
JP16863286A 1986-07-16 1986-07-16 Connection mechanism of printing head of thermal transfer printer Pending JPS6325057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16863286A JPS6325057A (en) 1986-07-16 1986-07-16 Connection mechanism of printing head of thermal transfer printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16863286A JPS6325057A (en) 1986-07-16 1986-07-16 Connection mechanism of printing head of thermal transfer printer

Publications (1)

Publication Number Publication Date
JPS6325057A true JPS6325057A (en) 1988-02-02

Family

ID=15871645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16863286A Pending JPS6325057A (en) 1986-07-16 1986-07-16 Connection mechanism of printing head of thermal transfer printer

Country Status (1)

Country Link
JP (1) JPS6325057A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220353A (en) * 1990-12-19 1993-06-15 Rohm Co., Ltd. Thermal print head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220353A (en) * 1990-12-19 1993-06-15 Rohm Co., Ltd. Thermal print head
US5309181A (en) * 1990-12-19 1994-05-03 Rohm Co., Ltd. Pressing clip for flexible member

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