US4427288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image forming apparatus
Assignee: Canon Inc
•
Filing: 1982-01-27
•
Granted: 1984-01-24
•
Expires: 2002-01-27
Abstract
Abstract Image forming apparatus includes a feeder unit feeding a recording member, processing devices forming an image on the recording member, an input and output device having a port selectively usable for data input and output, a selector device for determining whether the port of the input and output device is used for data input or output, an instruction device connected to the input and output device and supplying enable instructions to the feeder unit and processing devices, and a display connected to the port and interrupting a normal display to display indications corresponding to the signals appearing on the port in response to the selector device determining that the port is used for data input.
Inventors
- 👤 Nao Nagashima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:17
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/55
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
70 words
A reproducing apparatus comprising: a plurality of processing means for reproducing an image; instruction means for selectively operating one of said means; and display means coupled to said instruction means for displaying data in response to a signal from said instruction means, wherein said display means interrupts a previous display in response to said enabling means and carries out a display in accordance with the signal from said instruction means.
Claim 2
Dependent Claim
70 words
A reproducing apparatus comprising: a plurality of processing means for reproducing an image; instruction means for selectively operating one of said means; and display means coupled to said instruction means for displaying data in response to a signal from said instruction means, wherein said display means interrupts a previous display in response to said enabling means and carries out a display in accordance with the signal from said instruction means.
Claim 3
Dependent Claim
19 words
The reproducing apparatus according to claim 1, wherein said instruction means and said display means have an input-output means.
Claim 4
Dependent Claim
37 words
The reproducing apparatus according to claim 2, where said input-output means is connected to one port so that input to and output from said instruction means and said display means can be made at the one port.
Claim 5
Dependent Claim
33 words
The reproducing apparatus according to claim 3, wherein said input-output means can be changed by said enabling means back and forth from a means for signal output to a means for signal input.
References Cited (Backward Citations)
US4202622A
Cited
US4190350A
Cited
US4162396A
Cited
US4343036A
Cited
US4243313A
Cited
US4251769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-23 | 1987-07-25 | 1988-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-23 | 1991-07-25 | 1992-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-23 | 1995-07-25 | 1996-01-24 | $7700.00 | Window Closed / Lapsed |