JPS5829441U - Thermal head protection device - Google Patents

Thermal head protection device

Info

Publication number
JPS5829441U
JPS5829441U JP12178981U JP12178981U JPS5829441U JP S5829441 U JPS5829441 U JP S5829441U JP 12178981 U JP12178981 U JP 12178981U JP 12178981 U JP12178981 U JP 12178981U JP S5829441 U JPS5829441 U JP S5829441U
Authority
JP
Japan
Prior art keywords
head
thermal head
protection device
head protection
thermal
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
JP12178981U
Other languages
Japanese (ja)
Inventor
芳賀沼　友行
Original Assignee
株式会社リコー
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 株式会社リコー filed Critical 株式会社リコー
Priority to JP12178981U priority Critical patent/JPS5829441U/en
Publication of JPS5829441U publication Critical patent/JPS5829441U/en
Pending legal-status Critical Current

Links

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  • Accessory Devices And Overall Control Thereof (AREA)
  • Electronic Switches (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は、本考案の一実施例のヘッド解除機構並びに検
出部の構成図、第２図は、サーマルヘッドへの通電禁止
回路の構成ブロック図、第３図は、動作説明のためのタ
イムチャートである。 １・・・・・・サーマルヘッド、３・・・・・・プラテ
ン、４・・・・・・記録紙、７・・・・・・ヘッド解除
ノブ、８・・・・・・プランジャマグネット、９・・・
・・・フォトセンサ、１０・・・・・・増幅器、１１・
・・・・・アンにゲート、１２・・・・・・駆動回路。Fig. 1 is a block diagram of a head release mechanism and a detection unit according to an embodiment of the present invention, Fig. 2 is a block diagram of a circuit for prohibiting energization to the thermal head, and Fig. 3 is a time diagram for explaining the operation. It is a chart. 1... Thermal head, 3... Platen, 4... Recording paper, 7... Head release knob, 8... Plunger magnet, 9...
...Photo sensor, 10...Amplifier, 11.
...... Gate to Anne, 12... Drive circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ヘッド解除機構を備えたサーマルプリンタにおいて、ヘ
ッド解除状態検出手段と、ヘッド通電禁止手段とからな
り、ヘッドが解除状態にあるとき、サーマルヘッドへの
電力の印加を禁止することを特徴とするサーマルヘッド
保護装置。A thermal printer equipped with a head release mechanism, which comprises a head release state detection means and a head energization prohibition means, which prohibits the application of power to the thermal head when the head is in the release state. Protective device.
JP12178981U 1981-08-19 1981-08-19 Thermal head protection device Pending JPS5829441U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12178981U JPS5829441U (en) 1981-08-19 1981-08-19 Thermal head protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12178981U JPS5829441U (en) 1981-08-19 1981-08-19 Thermal head protection device

Publications (1)

Publication Number Publication Date
JPS5829441U true JPS5829441U (en) 1983-02-25

Family

ID=29915728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12178981U Pending JPS5829441U (en) 1981-08-19 1981-08-19 Thermal head protection device

Country Status (1)

Country Link
JP (1) JPS5829441U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61237664A (en) * 1985-04-13 1986-10-22 Sony Corp Head protective device for thermal printer
JP2019123131A (en) * 2018-01-15 2019-07-25 東芝テック株式会社 Printer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61237664A (en) * 1985-04-13 1986-10-22 Sony Corp Head protective device for thermal printer
JP2019123131A (en) * 2018-01-15 2019-07-25 東芝テック株式会社 Printer
JP2021185038A (en) * 2018-01-15 2021-12-09 東芝テック株式会社 Printer

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