JP2017147724A - 顧客交換可能ユニットモニタ(crum)のセキュリティ増強 - Google Patents
顧客交換可能ユニットモニタ(crum)のセキュリティ増強 Download PDFInfo
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- 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
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17526—Electrical contacts to the cartridge
- B41J2/1753—Details of contacts on the cartridge, e.g. protection of contacts
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- 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
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17543—Cartridge presence detection or type identification
- B41J2/17546—Cartridge presence detection or type identification electronically
-
- 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/02—Framework
-
- 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/44—Program or device authentication
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- G—PHYSICS
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- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/81—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer by operating on the power supply, e.g. enabling or disabling power-on, sleep or resume operations
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
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- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
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- H—ELECTRICITY
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- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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Abstract
Description
Claims (10)
- 構成要素サブシステムを認証するための方法であって、
テスト電圧値を前記構成要素サブシステムに送信することと、
入力電圧をテストセルに印加することであって、前記入力電圧は前記テスト電圧値に基づく、印加することと、
前記テストセルから応答電圧を読み出すことであって、前記応答電圧は、前記テストセルに印加されている前記入力電圧からもたらされる、読み出すことと、
前記応答電圧を、予測出力電圧と比較することと、
前記応答電圧が前記予測出力電圧に一致することに応答して、前記構成要素サブシステムの機能を有効化することと
を含む、構成要素サブシステムを認証するための方法。 - 前記応答電圧が前記予測出力電圧に一致しないことに応答して、前記構成要素サブシステムの機能を無効化することをさらに含む、請求項1に記載の方法。
- 前記方法は、前記入力電圧を、前記テストセル内のメモリ膜に印加することをさらに含み、前記メモリ膜は、ポリフッ化ビニリデン、1つまたは複数のポリビニリデンコポリマーを有するポリビニリデン、コポリマーに基づくターポリマー、PVDF−トリフルオロエチレンに基づくターポリマー、奇数ナイロン、任意の奇数ナイロンコポリマーを有する奇数ナイロン、シアノポリマー、および、シアノポリマーコポリマーを有するシアノポリマーから成る群から選択される材料である、請求項1に記載の方法。
- 前記構成要素サブシステムをホストデバイス内に設置することと、
前記ホストデバイス内のテスト値選択プロトコルを使用して前記テスト電圧値を選択することと、
前記テスト電圧値を、前記ホストデバイスから前記構成要素サブシステムへと送信することと、
前記応答電圧を、前記構成要素サブシステムから前記ホストデバイスへと送信することと、
前記ホストデバイス内のホストコントローラを使用して、前記応答電圧を、前記予測出力電圧と比較することと
をさらに含む、請求項1に記載の方法。 - ホストデバイスと、
前記ホストデバイス内に設置されている構成要素サブシステムであって、前記構成要素サブシステムは、
テスト電圧値を受信し、テスト電圧を出力するように構成されている認証モジュールと、
前記認証モジュールによって出力される前記テスト電圧を受け取るように構成されているテストセルであって、前記テストセルはワード線、ビット線、およびメモリ膜を備え、前記メモリ膜は、前記ワード線と前記ビット線との間に置かれており、前記テストセルは、前記テスト電圧を受け取るのに応答して応答電圧を出力するように構成されている、テストセルと
を備える、構成要素サブシステムと、
前記応答電圧を、前記テスト電圧値に基づく予測電圧と比較するように構成されているホストコントローラと
を備える、電子システム。 - 前記ホストコントローラは、前記応答電圧が前記予測電圧から許容可能な公差を超えて異なるとき、前記ホストデバイスの機能を無効化するように構成されている、請求項5に記載の電子システム。
- 前記ホストコントローラは、前記応答電圧が前記予測電圧に一致するとき、前記ホストデバイスの機能を有効化するように構成されている、請求項6に記載の電子システム。
- ホストデバイスと、
前記ホストデバイス内に設置されている構成要素サブシステムであって、前記構成要素サブシステムは、
テスト電圧値を受信し、テスト電圧を出力するように構成されている認証モジュールと、
前記認証モジュールによって出力される前記テスト電圧を受け取るように構成されているテストセルであって、前記テストセルはワード線、ビット線、およびメモリ膜を備え、前記メモリ膜は、前記ワード線と前記ビット線との間に置かれており、前記テストセルは、前記テスト電圧を受け取るのに応答して応答電圧を出力するように構成されている、テストセルと
を備える、構成要素サブシステムと、
前記応答電圧を、前記テスト電圧値に基づく予測電圧と比較するように構成されているホストコントローラと、
前記構成要素サブシステムを包含するハウジングと
を備える、プリンタ。 - 前記ホストコントローラは、前記応答電圧が前記予測電圧から許容可能な公差を超えて異なるとき、前記ホストデバイスの機能を無効化するように構成されている、請求項8に記載のプリンタ。
- 前記ホストコントローラは、前記応答電圧が前記予測電圧に一致するとき、前記ホストデバイスの機能を有効化するように構成されている、請求項9に記載のプリンタ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/044,406 | 2016-02-16 | ||
US15/044,406 US9886571B2 (en) | 2016-02-16 | 2016-02-16 | Security enhancement of customer replaceable unit monitor (CRUM) |
Publications (3)
Publication Number | Publication Date |
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JP2017147724A true JP2017147724A (ja) | 2017-08-24 |
JP2017147724A5 JP2017147724A5 (ja) | 2020-03-19 |
JP6921543B2 JP6921543B2 (ja) | 2021-08-18 |
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Application Number | Title | Priority Date | Filing Date |
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JP2017022663A Active JP6921543B2 (ja) | 2016-02-16 | 2017-02-10 | 顧客交換可能ユニットモニタ(crum)のセキュリティ増強 |
Country Status (5)
Country | Link |
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US (2) | US9886571B2 (ja) |
EP (1) | EP3208734B1 (ja) |
JP (1) | JP6921543B2 (ja) |
KR (1) | KR102467363B1 (ja) |
CN (2) | CN107085682B (ja) |
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CN113103765A (zh) * | 2021-04-02 | 2021-07-13 | 杭州旗捷科技有限公司 | 打印耗材认证方法、打印耗材芯片、打印耗材和打印系统 |
JP6995252B1 (ja) | 2018-12-03 | 2022-02-09 | ヒューレット-パッカード デベロップメント カンパニー エル.ピー. | 論理回路 |
JP7485532B2 (ja) | 2019-04-19 | 2024-05-16 | ゼロックス コーポレイション | メモリデバイスへの書き込み及びメモリデバイスからの読み取り方法及びシステム |
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KR20190121611A (ko) | 2018-04-18 | 2019-10-28 | 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. | 화상 형성 장치에 장착 가능한 crum 유닛, 및 이를 이용한 화상 형성 장치 |
US10797421B2 (en) | 2018-05-23 | 2020-10-06 | Xerox Corporation | Landing electrical contact |
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KR20200133062A (ko) * | 2019-05-15 | 2020-11-26 | 삼성디스플레이 주식회사 | 디스플레이 구동 집적 회로 및 이를 포함하는 디스플레이 시스템 |
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JP6995252B1 (ja) | 2018-12-03 | 2022-02-09 | ヒューレット-パッカード デベロップメント カンパニー エル.ピー. | 論理回路 |
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CN113103765A (zh) * | 2021-04-02 | 2021-07-13 | 杭州旗捷科技有限公司 | 打印耗材认证方法、打印耗材芯片、打印耗材和打印系统 |
Also Published As
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CN110561914B (zh) | 2021-11-09 |
EP3208734A1 (en) | 2017-08-23 |
US9886571B2 (en) | 2018-02-06 |
CN107085682A (zh) | 2017-08-22 |
US20170235939A1 (en) | 2017-08-17 |
JP6921543B2 (ja) | 2021-08-18 |
EP3208734B1 (en) | 2020-07-08 |
KR102467363B1 (ko) | 2022-11-14 |
KR20170096587A (ko) | 2017-08-24 |
USRE48938E1 (en) | 2022-02-22 |
CN107085682B (zh) | 2019-11-29 |
CN110561914A (zh) | 2019-12-13 |
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