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US5140346A Expired / Lapsed US ⏱️ 0.0 years remaining

Image forming apparatus

Assignee: Canon Inc
•
Filing: 1990-05-30
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Granted: 1992-08-18
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Expires: 2010-05-30
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Abstract

Abstract A processing function substrate for page layout and the like, and a display unit, an operation unit and the like are provided on an identical substrate or as an identical unit, and the unified substrate or unit is mounted on a main body by a sliding-in operation. Hence, it becomes possible to realize improvement in assembling capability, improvement in properties against radiation noises, electrostatic noises and the like due to the adoption of one unit, improvement in designing capability, reduction in cost, and the like.

Inventors

  • 👤 Takashi Goto
  • 👤 Koji Kato

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:17
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00519; H04N1/00549; B; B41; B41J; B41J3/00; B41J3/44; B41J3/46; G; G06; G06K; G06K15/00; H05; H05K; H05K7/00; H05K7/14

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 220 words
An image forming apparatus comprising: a printer main body unit with a printer engine unit and a printer control substrate board provided therein; a mounting unit fixed to said printer main body unit, said mounting unit having a pair of facing walls, each containing through-openings; a print processing unit slideably engageable with said mounting unit through one of said through-openings, said print processing unit including a print processing substrate board, a first member forming a side wall in one of said through-openings and a second member forming a side wall in the other of said through-openings, said second member being electrically connected with said printer control substrate board through said print processing substrate board, and having an input/output unit for receiving data from and outputting data to said printer main body unit; connection means for electrically connecting said printer control substrate board to said print processing substrate board, said connection means having a first connector being electrically connected to said printer control substrate board and a second connector being electrically connected to said print processing substrate board, said first connector being disposed in said mounting unit, wherein said second connector is connected to said first connector when said print processing unit is slid into said mounting unit; and coupling means for coupling said print processing unit to said mounting unit.
Claim 2
Dependent Claim 220 words
An image forming apparatus comprising: a printer main body unit with a printer engine unit and a printer control substrate board provided therein; a mounting unit fixed to said printer main body unit, said mounting unit having a pair of facing walls, each containing through-openings; a print processing unit slideably engageable with said mounting unit through one of said through-openings, said print processing unit including a print processing substrate board, a first member forming a side wall in one of said through-openings and a second member forming a side wall in the other of said through-openings, said second member being electrically connected with said printer control substrate board through said print processing substrate board, and having an input/output unit for receiving data from and outputting data to said printer main body unit; connection means for electrically connecting said printer control substrate board to said print processing substrate board, said connection means having a first connector being electrically connected to said printer control substrate board and a second connector being electrically connected to said print processing substrate board, said first connector being disposed in said mounting unit, wherein said second connector is connected to said first connector when said print processing unit is slid into said mounting unit; and coupling means for coupling said print processing unit to said mounting unit.
Claim 3
Dependent Claim 27 words
An image forming apparatus according to claim 1, wherein said coupling means comprises screws for coupling said first member to a circumference of one of said through-openings.
Claim 4
Dependent Claim 24 words
An image forming apparatus according to claim 1, wherein said print processing unit forms a box-like shape when slideably engaged with said mounting unit.
Claim 5
Dependent Claim 39 words
An image forming apparatus according to claim 1, wherein said mounting unit includes a second pair of facing side walls, each substantially perpendicular to the first pair, within which rails are provided for sliding said print processing unit therein.
Claim 6
Dependent Claim 16 words
An image forming apparatus according to claim 1, wherein said input/output unit includes a display unit.
Claim 7
Dependent Claim 16 words
An image forming apparatus according to claim 1, wherein said input/output unit includes an operation unit.
Claim 8
Dependent Claim 17 words
An image forming apparatus according to claim 1, wherein said first member includes an external interface connector.
Claim 9
Dependent Claim 38 words
An image forming apparatus according to claim 1, wherein said printer main body unit includes a lower side and an upper side and said mounting unit is provided adjacent the lower side of said printer main body unit.
Claim 10
Dependent Claim 38 words
An image forming apparatus according to claim 1, wherein said printer main body unit includes a lower side and an upper side and said mounting unit is provided adjacent the upper side of said printer main body unit.
Claim 11
Dependent Claim 26 words
An image forming apparatus according to claim 1, wherein a plurality of mounting units are provided, and wherein a plurality of print processing units are provided.
Claim 12
Dependent Claim 187 words
An image forming apparatus comprising: a printer main body unit including a printer engine and a printer control substrate board for controlling said printer engine in collaboration with a print processing substrate board; a mounting unit provided adjacent said printer main body unit, said mounting unit having a through-opening; a print processing unit slideably engageable with said mounting unit through said through-opening, said print processing unit including said print processing substrate board and a member forming a side wall of said through-opening and being electrically connected with said printer control substrate board through said print processing substrate board for receiving data from and outputting data to said printer main body unit; and connection means for electrically connecting said printer control substrate board to said print processing substrate board, said connection means having a first connector being electrically connected to said printer control substrate board and a second connector being electrically connected to said print processing substrate board, said first connector being disposed in said mounting unit, wherein said second connector is connected to said first connector when said printing processing unit is slid into said mounting unit.
Claim 13
Dependent Claim 187 words
An image forming apparatus comprising: a printer main body unit including a printer engine and a printer control substrate board for controlling said printer engine in collaboration with a print processing substrate board; a mounting unit provided adjacent said printer main body unit, said mounting unit having a through-opening; a print processing unit slideably engageable with said mounting unit through said through-opening, said print processing unit including said print processing substrate board and a member forming a side wall of said through-opening and being electrically connected with said printer control substrate board through said print processing substrate board for receiving data from and outputting data to said printer main body unit; and connection means for electrically connecting said printer control substrate board to said print processing substrate board, said connection means having a first connector being electrically connected to said printer control substrate board and a second connector being electrically connected to said print processing substrate board, said first connector being disposed in said mounting unit, wherein said second connector is connected to said first connector when said printing processing unit is slid into said mounting unit.
Claim 14
Dependent Claim 22 words
An image forming apparatus according to claim 11, wherein said mounting unit includes rails for sliding insertion of said print processing unit.
Claim 15
Dependent Claim 18 words
An image forming apparatus according to claim 11, wherein said print processing unit includes an external interface connector.
Claim 16
Dependent Claim 15 words
An image forming apparatus according to claim 11, wherein said member includes a display unit.
Claim 17
Dependent Claim 15 words
An image forming apparatus according to claim 11, wherein said member includes an operation unit.

References Cited (Backward Citations)

US4359746A Cited
US4641980A Cited
US4778291A Cited
US4840568A Cited
US4872212A Cited
US4894753A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-08-18 1996-02-17 1996-08-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-08-18 2000-02-17 2000-08-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-08-18 2004-02-17 2004-08-18 $7700.00 Window Closed / Lapsed

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