US4855786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic copying machine capable of editing function
Assignee: Minolta Co Ltd
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Filing: 1987-01-21
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Granted: 1989-08-08
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Expires: 2007-01-21
Abstract
Abstract An electrophotographic copying machine capable of editing function comprising: a table for setting a document; scan means for scanning the document; first input means for providing first and second data to specify positions in the scanning direction; second input means for providing third and fourth data to specify positions in the direction perpendicular to the scanning direction; memory means for storing the provided data, which comprises a first memory area for storing smaller data provided by the first input means, a second memory area for storing larger data provided by the first input means, third memory area for storing smaller data provided by the second input means, and a fourth memory area for storing larger data provided by the second input means; a means for specifying an area on the basis of the data stored in the memory means; and copying means for reproducing a image of the document corresponding to the specified area.
Inventors
- 👤 Tadashi Ohira
- 👤 Masazumi Ito
- 👤 Syuzi Maruta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:23
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/50; G03G15/5016; G03G15/36
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
304 words
An electrophotographic copying machine comprising: a table for setting a document; scan means for scanning the document on said table; means for inputting an arbitrary numerical value; means for setting a first input mode in which the numerical value input by said input means is handled as first data to specify a first position in a first direction on said table; means for setting a second input mode in which the numerical value input by said input means is handled as second data to specify a second position in the first direction on said table; means for setting a third input mode in which the numerical value input by said input means is handled as third data to specify a first position in a second direction on said table, wherein said second direction is perpendicular to said first direction; means for setting a fourth input mode in which the numerical value input by said input means is handled as fourth data to specify a second position in the second direction on said table; memory means for storing data, said memory means having a first memory area for storing the first data, a second memory area for storing the second data, a third memory area for storing the third data, and a fourth memory area for storing the fourth data; means for exchanging the first data and the second data in said memory means when the first data is greater than the second data; means for exchanging the third data and the fourth data in said memory means when the third data is greater than the fourth data; means for specifying an area on said table on the basis of the data stored in said memory means; and copying means for reproducing an image of the document corresponding to said specified area on said table.
Claim 2
Dependent Claim
304 words
An electrophotographic copying machine comprising: a table for setting a document; scan means for scanning the document on said table; means for inputting an arbitrary numerical value; means for setting a first input mode in which the numerical value input by said input means is handled as first data to specify a first position in a first direction on said table; means for setting a second input mode in which the numerical value input by said input means is handled as second data to specify a second position in the first direction on said table; means for setting a third input mode in which the numerical value input by said input means is handled as third data to specify a first position in a second direction on said table, wherein said second direction is perpendicular to said first direction; means for setting a fourth input mode in which the numerical value input by said input means is handled as fourth data to specify a second position in the second direction on said table; memory means for storing data, said memory means having a first memory area for storing the first data, a second memory area for storing the second data, a third memory area for storing the third data, and a fourth memory area for storing the fourth data; means for exchanging the first data and the second data in said memory means when the first data is greater than the second data; means for exchanging the third data and the fourth data in said memory means when the third data is greater than the fourth data; means for specifying an area on said table on the basis of the data stored in said memory means; and copying means for reproducing an image of the document corresponding to said specified area on said table.
Claim 3
Dependent Claim
37 words
An electrophotographic copying machine as claimed in claim 1, wherein said copying means comprises a photosensitive drum and electro static charge means for applying charge to the area on said photosensitive drum corresponding to said specified area.
Claim 4
Dependent Claim
55 words
An electrophotographic copying machine as claimed in claim 2, wherein said electro static charge means comprises: a charger for applying charge over the whole circumference of said photosensitive drum; and means for erasing the electro static charge of an area exterior or interior to the area coresponding to said specified area on said photosensitive drum.
Claim 5
Dependent Claim
36 words
An electrophotographic copying machine as claimed in claim 3, wherein said electrostatic charge erasing means comprises a light emitting device capable of adjusting the width of light irradiation and the time of light irradiation at will.
Claim 6
Dependent Claim
42 words
An electrophotographic copying machine as claimed in claim 4, wherein said light emitting device is controlled with respect to the width of light irradiation and the time of light irradiation on the basis of the data stored in said four memory areas.
Claim 7
Dependent Claim
278 words
An electrophotographic copying machine comprising: a table for setting a document; scan means for scanning the document on said table; means for inputting an arbitrary numerical value; means for setting a first input mode in which the numerical value input by said input means is handled as first data to specify a first position in a first direction on said table; means for setting a second input mode in which the numerical value input by said input means is handled as second data to specify a second position in the first direction on said table; means for setting a third input mode in which the numerical value input by said input means is handled as third data to specify a first position in a second direction on said table, wherein said second direction is perpendicular to said first direction; means for setting a fourth input mode in which the numerical value input by said input means is handled as fourth data to specify a second position in the second direction on said table; memory means for storing data, said memory means having a first memory area for storing the first data, a second memory area for storing the second data, a third memory area for storing the third data, and a fourth memory area for storing the fourth data; adjusting means for minutely and independently varying the data stored in each memory area respectively without using said numerical value input means; means for specifying an area on said table on the basis of the data stored in said memory means; and copying means for reproducing an image of the document on said table corresponding to said specified area.
Claim 8
Dependent Claim
278 words
An electrophotographic copying machine comprising: a table for setting a document; scan means for scanning the document on said table; means for inputting an arbitrary numerical value; means for setting a first input mode in which the numerical value input by said input means is handled as first data to specify a first position in a first direction on said table; means for setting a second input mode in which the numerical value input by said input means is handled as second data to specify a second position in the first direction on said table; means for setting a third input mode in which the numerical value input by said input means is handled as third data to specify a first position in a second direction on said table, wherein said second direction is perpendicular to said first direction; means for setting a fourth input mode in which the numerical value input by said input means is handled as fourth data to specify a second position in the second direction on said table; memory means for storing data, said memory means having a first memory area for storing the first data, a second memory area for storing the second data, a third memory area for storing the third data, and a fourth memory area for storing the fourth data; adjusting means for minutely and independently varying the data stored in each memory area respectively without using said numerical value input means; means for specifying an area on said table on the basis of the data stored in said memory means; and copying means for reproducing an image of the document on said table corresponding to said specified area.
Claim 9
Dependent Claim
37 words
An electrophotographic copying machine as claimed in claim 6, wherein said copying means comprises a photosensitive drum and electro static charge means for applying charge to the area on said photosensitive drum corresponding to said specified area.
Claim 10
Dependent Claim
54 words
An electrophotographic copying machine as claimed in claim 7, wherein said electro static charge means comprises a charger for applying charge over the whole circumference of said photosensitive drum and a means for erasing the electro static charge of the area exterior to the area corresponding to said specified area on said photosensitive drum.
Claim 11
Dependent Claim
37 words
An electrophotographic copying machine as claimed in claim 8, wherein said electro static charge erasing means comprises a light emitting device capable of adjusting the width of light irradiation and the time of light irradiation at will.
Claim 12
Dependent Claim
55 words
An electrophotographic copying machine as claimed in claim 9, wherein said light emitting device is controlled with respect to the width of light irradiation on the basis of the data stored in said memory means and with respect to the time of light irradiation on the basis of the data stored in said memory means.
Claim 13
Dependent Claim
93 words
An electrophotographic copying machine as claimed in claim 9, wherein said light emitting device is controlled with respect to the width of light irradiation on the basis of the data stored in said memory means before adjustment by said adjusting means, changed with respect to the positions on the basis of a data stored in said memory means after an adjustment by said adjusting means, and controlled with respect to the time of light irradiation on the basis of the data stored in said memory means after the adjustment by said adjusting means.
Claim 14
Dependent Claim
16 words
An electrophotographic copying machine as claimed in claim 10, wherein said input means provides numerical data.
Claim 15
Dependent Claim
29 words
An electrophotographic copying machine as claimed in claim 12, wherein said adjusting means selectively increases and decreases said numerical data stored in said memory means by a predetermined value.
Claim 16
Dependent Claim
39 words
An electrophotographic copying machine as claimed in claim 13, wherein said adjusting means comprises an increasing key for increasing stored numerical data by a predetermined step and a decreasing key for decreasing stored numerical data by a predetermined step.
Claim 17
Dependent Claim
74 words
An electrophotographic copying machine comprising: a table for setting a document, input means for providing numerical data, means for specifying an area on said table on the basis of the numerical data provided by said input means, means for finely adjusting a region of said area independent of said numerical data input means, and copying means for reproducing an image of the document corresponding to said area finely adjusted by said finely adjusting means.
Claim 18
Dependent Claim
74 words
An electrophotographic copying machine comprising: a table for setting a document, input means for providing numerical data, means for specifying an area on said table on the basis of the numerical data provided by said input means, means for finely adjusting a region of said area independent of said numerical data input means, and copying means for reproducing an image of the document corresponding to said area finely adjusted by said finely adjusting means.
Claim 19
Dependent Claim
142 words
An electrophotographic copying machine capable of an editing function, for optically scanning a document to form an electrostatic latent image on a photosensitive member, developing the electrostatic latent image with a toner, and transferring the toner image to a copying paper to reproduce the image of the document, which comprises: input means for providing orthogonal coordinate data representing a specified area in the document; operating and memory means for comparing the respective magnitudes of x-coordinate data and y-coordinate data of the orthogonal coordinate data, compiling the x-coordinate data and the y-coordinate data in order of magnitude, and storing the compiled data; and electric charge erasing means for erasing the electric charge of an area on the photosensitive member corresponding to the specified area in the document before developing, on the basis of the compiled data stored in the operation and memory means.
Claim 20
Dependent Claim
142 words
An electrophotographic copying machine capable of an editing function, for optically scanning a document to form an electrostatic latent image on a photosensitive member, developing the electrostatic latent image with a toner, and transferring the toner image to a copying paper to reproduce the image of the document, which comprises: input means for providing orthogonal coordinate data representing a specified area in the document; operating and memory means for comparing the respective magnitudes of x-coordinate data and y-coordinate data of the orthogonal coordinate data, compiling the x-coordinate data and the y-coordinate data in order of magnitude, and storing the compiled data; and electric charge erasing means for erasing the electric charge of an area on the photosensitive member corresponding to the specified area in the document before developing, on the basis of the compiled data stored in the operation and memory means.
Claim 21
Dependent Claim
62 words
An electrophotographic copying machine capable of an editing function as claimed in claim 16, which further comprises: correction data input means for providing correction data relating to said specified area; and correcting control means for correcting said stored data on the basis of the correction data upon the reception of the correction data, and replacing said stored data with the corrected data.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-08-07 | 1993-02-06 | 1993-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-07 | 1997-02-06 | 1997-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-07 | 2001-02-06 | 2001-08-08 | $7700.00 | Window Closed / Lapsed |