JP2003323098A5 - - Google Patents

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Publication number
JP2003323098A5
JP2003323098A5 JP2002131905A JP2002131905A JP2003323098A5 JP 2003323098 A5 JP2003323098 A5 JP 2003323098A5 JP 2002131905 A JP2002131905 A JP 2002131905A JP 2002131905 A JP2002131905 A JP 2002131905A JP 2003323098 A5 JP2003323098 A5 JP 2003323098A5
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JP
Japan
Prior art keywords
cartridge
printer
contact
ground
drum
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
Application number
JP2002131905A
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Japanese (ja)
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JP2003323098A (en
JP4086540B2 (en
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Publication date
Application filed filed Critical
Priority to JP2002131905A priority Critical patent/JP4086540B2/en
Priority claimed from JP2002131905A external-priority patent/JP4086540B2/en
Publication of JP2003323098A publication Critical patent/JP2003323098A/en
Publication of JP2003323098A5 publication Critical patent/JP2003323098A5/ja
Application granted granted Critical
Publication of JP4086540B2 publication Critical patent/JP4086540B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (6)

プリンタに装着されたカートリッジの記憶装置と、プリンタエンジンの接続部とを接触させてデータ通信を行なう接触型送受信装置であって、
前記データ通信を行うための１本の信号線を有し、
前記プリンタエンジンのシグナルグランドを前記接続部を介して前記カートリッジが装着されたプリンタのフレームグランドに接続するとともに、該フレームグランドに前記カートリッジが有するドラムアースを接続し、該ドラムアースを前記前記１本の信号線の基準電位としたことを特徴とする接触型送受信装置。A contact-type transmitting / receiving device that performs data communication by contacting a storage device of a cartridge mounted on a printer and a connection portion of a printer engine,
Having one signal line for performing the data communication ;
With connecting the signal ground of the printer engine in the printer's frame ground that the cartridge is mounted via the connecting portion, connecting the drum grounding with said cartridge to the frame ground, the said drum grounding the one A contact-type transmitting / receiving device, characterized in that the reference potential of the signal line is used. 請求項１において、前記プリンタエンジンは、前記ドラムアースに接続した高圧回路が動作している間は、前記データ通信を行わず、該高圧回路が停止しドラムアースからの放電が完了した時点で前記データ通信を行うことを特徴とする接触型送受信装置。2. The printer engine according to claim 1, wherein the data communication is not performed while the high-voltage circuit connected to the drum ground is in operation, and when the discharge from the drum ground is completed when the high-voltage circuit is stopped. A contact-type transmitting / receiving device that performs data communication. 請求項１において、前記プリンタエンジンは、前記カートリッジが前記プリンタから外される際にカートリッジカップリングが外れ、該カートリッジの有する感光体ドラムの放電中に前記ドラムアースが前記フレームグランドから離れた場合に、前記信号線にノイズが流入するのを防止するためのフィルタ回路を有することを特徴とする接触型送受信装置。2. The printer engine according to claim 1, wherein the cartridge coupling is removed when the cartridge is removed from the printer, and the drum ground is separated from the frame ground during discharge of the photosensitive drum included in the cartridge. , contact receiving apparatus characterized by having a filter circuit because the noise on the signal line is you prevented from flowing. 請求項３において、前記プリンタエンジンは、前記フィルタ回路との間にカップリングコンデンサを有することを特徴とする接触型送受信装置。4. The contact type transmitting / receiving apparatus according to claim 3, wherein the printer engine includes a coupling capacitor between the printer engine and the filter circuit. 請求項１において、前記フレームグランドは、前記プリンタの導電性のフレームであることを特徴とする接触型送受信装置。  2. The contact type transmission / reception apparatus according to claim 1, wherein the frame ground is a conductive frame of the printer. 請求項１において、前記記憶装置は、電源を有さないことを特徴とする接触型送受信装置。  2. The contact type transmission / reception device according to claim 1, wherein the storage device does not have a power source.
JP2002131905A 2002-05-07 2002-05-07 Contact-type transceiver Expired - Fee Related JP4086540B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002131905A JP4086540B2 (en) 2002-05-07 2002-05-07 Contact-type transceiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002131905A JP4086540B2 (en) 2002-05-07 2002-05-07 Contact-type transceiver

Publications (3)

Publication Number Publication Date
JP2003323098A JP2003323098A (en) 2003-11-14
JP2003323098A5 true JP2003323098A5 (en) 2005-09-29
JP4086540B2 JP4086540B2 (en) 2008-05-14

Family

ID=29544328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002131905A Expired - Fee Related JP4086540B2 (en) 2002-05-07 2002-05-07 Contact-type transceiver

Country Status (1)

Country Link
JP (1) JP4086540B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7062181B2 (en) * 2004-11-02 2006-06-13 Xerox Corporation Systems and methods for single wire communication and interaction with a customer replaceable unit monitor
JP4999396B2 (en) * 2006-06-05 2012-08-15 株式会社リコー Storage device for a plurality of electrical boards and image forming apparatus
KR100820193B1 (en) * 2006-06-21 2008-04-08 현대자동차주식회사 A 8 speed power train of an automatic transmission
JP7287223B2 (en) * 2019-09-30 2023-06-06 ブラザー工業株式会社 image forming device
JP2021135452A (en) * 2020-02-28 2021-09-13 ブラザー工業株式会社 Image forming apparatus

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