US4792827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display device
Assignee: Toshiba Corp
•
Filing: 1986-06-26
•
Granted: 1988-12-20
•
Expires: 2006-06-26
Abstract
Abstract A display device for use in an image forming apparatus which includes, a detection member for detecting the condition of the image forming apparatus, a display section for normally displaying a condition message which represents the conditions of the image forming apparatus on the basis of the detection by the detection member, and a first input key for causing a first message to be displayed on the display section. The first message represents guidance for operating of the image forming apparatus. A second input key is also provided for causing a second message to be displayed on the display section, the second message representing guidance for following the operation procedure of the image forming apparatus. A third input key is further provided for causing a third message to be displayed on the displaying seciton, the third message representing guidance, different from the first message, for an operation procedure of the image forming apparatus.
Inventors
- 👤 Masahiko Ogura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:52
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/55; G03G15/50; G03G15/5016; G03G15/502
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
155 words
A display device for use in an image forming apparatus, comprising: detection means for detecting a condition of an image forming apparatus; display means for normally displaying a condition message representing the condition of said image forming apparatus on the basis of the detection by said detection means; processing means for: (1) selectively causing a first message to be displayed on said display means, said first message providing a prompt for user related to an operation of said image forming apparatus, (2) selectively causing a second message to be displayed on said display means, said second message providing a procedure for performing said operation represented by said first message of said image forming apparatus, and (3) selectively causing a third message to be displayed on said displaying means, said third message providing a prompt for a user related to an operation, different from said operation identified by said first message, of said image forming apparatus.
Claim 2
Dependent Claim
155 words
A display device for use in an image forming apparatus, comprising: detection means for detecting a condition of an image forming apparatus; display means for normally displaying a condition message representing the condition of said image forming apparatus on the basis of the detection by said detection means; processing means for: (1) selectively causing a first message to be displayed on said display means, said first message providing a prompt for user related to an operation of said image forming apparatus, (2) selectively causing a second message to be displayed on said display means, said second message providing a procedure for performing said operation represented by said first message of said image forming apparatus, and (3) selectively causing a third message to be displayed on said displaying means, said third message providing a prompt for a user related to an operation, different from said operation identified by said first message, of said image forming apparatus.
Claim 3
Dependent Claim
24 words
A device according to claim 1, wherein said first message is displayed in the form of a question in response to manually entered command.
Claim 4
Dependent Claim
27 words
A device according to claim 2, wherein said second message is displayed in response to a manually entered command representing an affirmative response to said first message.
Claim 5
Dependent Claim
27 words
A device according to claim 2, wherein said third message is displayed in response to a manually entered command representing a negative response to said first message.
Claim 6
Dependent Claim
41 words
A device according to claim 1, wherein said second and third messages display operation methods, and when the operation is performed, at least one of guidance for a following operation and a condition message is automatically displayed in said display means.
Claim 7
Dependent Claim
21 words
A device according to claim 1, wherein said display means are provided on a operation panel of said image forming apparatus.
Claim 8
Dependent Claim
15 words
A device according to claim 1, wherein said image forming apparatus comprises a copying machine.
References Cited (Backward Citations)
US4559519A
Cited
US4500971A
Cited
US4641953A
Cited
US4641953B1
Cited
US4668978A
Cited
US4627713A
Cited
US4677310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-12-20 | 1992-06-20 | 1992-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-12-20 | 1996-06-20 | 1996-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-12-20 | 2000-06-20 | 2000-12-20 | $7700.00 | Window Closed / Lapsed |