Picture processing unit

Claim 2

A picture processing system comprising: an image sensor for reading an original picture and generating a picture signal output indicative of said reading; a position designating means for designating a partial region of said original picture; a signal processing means connected to said image sensor and to said position designating means for processing the picture signal output from said image sensor and for producing a processed signal output in accordance with a change in magnification of the original picture represented by the picture signal read from said partial region; and a recording means for recording on a recording medium a reproduced picture represented by said processed signal output by said processing means in accordance with the change of magnification of the original picture represented by the signal read from said partial region.

Claim 3

A picture processing system as set forth in claim 1, wherein said processed signal output from said signal processing means is obtained by either compressing or expanding said picture signal in said partial region relative to time.

Claim 4

A picture processing system according to claim 1 further comprising magnification determining means for determining the change of magnification by said signal processing means.

Claim 5

A picture processing system according to claim 3 wherein a recording position of said recording means relative to said recording medium is determined in accordance with the partial region designated by said position designating means and the magnification determined by said magnification determining means.

Claim 6

A picture processing unit comprising: an original table on which an original is placed with a surface carrying a picture to be read facing upwardly; a positioning means for designating a partial region on said original, said positioning means designating the partial region relative to said original table; a converting means for converting the partial region designated by said positioning means into electrical digital signals; a reading means for reading the picture on said original place on said original table and for generating a read signal indicative of said reading; a counting means for counting the number of signals used in the reading operation of said reading means; and a processing means for processing the read signal generated by said reading means in accordance with the counts of said counting means and said digital signals produced by said converting means.

Claim 7

A picture processing unit comprising: an original table on which an original is placed with a surface carrying a picture to be read facing upwardly; a positioning means for designating a partial region on said original, said positioning means designating the partial region relative to said original table; a converting means for converting the partial region designated by said positioning means into electrical digital signals; a reading means for reading the picture on said original place on said original table and for generating a read signal indicative of said reading; a counting means for counting the number of signals used in the reading operation of said reading means; and a processing means for processing the read signal generated by said reading means in accordance with the counts of said counting means and said digital signals produced by said converting means.

Claim 8

A picture processing unit as set forth in claim 5 in which said reading means includes one dimensional image sensor.

Claim 9

A picture processing unit as set forth in claim 6 wherein said image sensor and said original are relatively movable for scanning in a subscanning direction perpendicular to the main scanning direction and said positioning means includes a first pair of positioning members mounted relative to the original table in the main scanning direction and a second pair of positioning members mounted relative to the original table in the subscanning direction.

Claim 10

A picture processing unit as set forth in claim 7, said converting means comprising two rod resistors, each having linear resistivity, and to each of which one of said first and said second pairs of positioning members is electrically movably connected, and constant voltage generating means for applying a predetermined voltage to each of said resistors, wherein the voltage produced at each of said positioning members corresponds to the position of said positioning member relative to the resistor to which it is connected.

Claim 11

A picture processing unit as set forth in claim 5, wherein said processing means inverts said read signal in said partial region with respect to time.

Claim 12

A picture processing unit as set forth in claim 5, wherein said processing means inverts said read signal in said partial region with respect to amplitude.

Claim 13

A picture processing unit as set forth in claim 5, wherein said processing means holds the read signal obtained during reading of said partial region to a specified level.

Claim 14

A picture processing unit as set forth in claim 5, wherein said processing means holds the read signal obtained during reading of regions of the original picture other than said partial region to a specified level.

Claim 15

A picture processing unit as set forth in claim 5, wherein said processing means performs at least one of compression and expansion of said read signal in said partial region relative to time.

Claim 16

A picture processing unit comprising: an original table on which an original may be placed with a surface carrying a picture to be read facing upwardly; reading means, including a one dimensional image sensor, for reading said picture on said surface of said original from above said original by scanning said surface in main scanning and subscanning directions; movable positioning means for designating a partial region on said original, said positioning means including a first pair of movable positioning members mounted relative to said original table in said main scanning direction of said image sensor and a second pair of movable positioning members mounted relative to said original table in said subscanning direction of said image sensor; converting means for converting the positions of said positioning members into electrical signals, said converting means comprising two rod resistors, each having linear resistivity, and to each of which one of said first and said second pairs of positioning members is electrically movably connected, and constant voltage generating means for applying a predetermined voltage to each of said resistors wherein the voltage produced at each of said positioning members corresponds to the position of said positioning member relative to the resistor to which it is connected; means for generating clock signals during scanning of said image sensor in said main scanning direction; a first counter for counting the number of clock signals generated during scanning by said image sensor in one main scanning in order to detect the read position of said image sensor relative to said original in said main scanning direction, and a second counter for counting the number of main scannings by said image sensor in order to detect the read position of said image sensor on said original in said subscanning direction.

Claim 17

A picture processing unit comprising: an original table on which an original may be placed with a surface carrying a picture to be read facing upwardly; reading means, including a one dimensional image sensor, for reading said picture on said surface of said original from above said original by scanning said surface in main scanning and subscanning directions; movable positioning means for designating a partial region on said original, said positioning means including a first pair of movable positioning members mounted relative to said original table in said main scanning direction of said image sensor and a second pair of movable positioning members mounted relative to said original table in said subscanning direction of said image sensor; converting means for converting the positions of said positioning members into electrical signals, said converting means comprising two rod resistors, each having linear resistivity, and to each of which one of said first and said second pairs of positioning members is electrically movably connected, and constant voltage generating means for applying a predetermined voltage to each of said resistors wherein the voltage produced at each of said positioning members corresponds to the position of said positioning member relative to the resistor to which it is connected; means for generating clock signals during scanning of said image sensor in said main scanning direction; a first counter for counting the number of clock signals generated during scanning by said image sensor in one main scanning in order to detect the read position of said image sensor relative to said original in said main scanning direction, and a second counter for counting the number of main scannings by said image sensor in order to detect the read position of said image sensor on said original in said subscanning direction.

Claim 18

A picture processing unit as set forth in claim 14 further comprising two analog-digital converters, one for each of said main scanning direction and said subscanning direction, for performing analog-digital conversion of the output of said converting means.

Claim 19

A picture processing unit comprising: a one dimensional image sensor, having a main scanning direction, for reading a picture on an original and generating a read signal indicative thereof, said image sensor and said original being relatively movable in a subscanning direction perpendicular to the main scanning direction of the image sensor; means for generating clock signals during scanning by said image sensor in said main scanning direction; designating means for designating a partial region of the original and comprising two members movable relative to the original in each of the main scanning direction and subscanning direction; an output means for outputting as digital values the positions designated by said designating members in said main scanning direction and in said subscanning direction; first counting means for counting the number of clock signals generated during scanning by said image sensor in one main scanning in order to detect the read position of said image sensor relative to the original in said main scanning direction; second counting means for counting the number of main scannings by said image sensor in order to detect the read position of said image sensor on the original in said subscanning direction; a signal generating means for generating identification signals when said image sensor is reading the picture of the partial region on the original designated by said designating members and the corresponding output value of said output means and said counts of said first and said second counting means; and a processing means for processing the read signal generated by said image sensor in one manner when said identification signal is being generated and in a different manner when said identification signal is not being generated.

Claim 20

A picture processing unit comprising: a one dimensional image sensor, having a main scanning direction, for reading a picture on an original and generating a read signal indicative thereof, said image sensor and said original being relatively movable in a subscanning direction perpendicular to the main scanning direction of the image sensor; means for generating clock signals during scanning by said image sensor in said main scanning direction; designating means for designating a partial region of the original and comprising two members movable relative to the original in each of the main scanning direction and subscanning direction; an output means for outputting as digital values the positions designated by said designating members in said main scanning direction and in said subscanning direction; first counting means for counting the number of clock signals generated during scanning by said image sensor in one main scanning in order to detect the read position of said image sensor relative to the original in said main scanning direction; second counting means for counting the number of main scannings by said image sensor in order to detect the read position of said image sensor on the original in said subscanning direction; a signal generating means for generating identification signals when said image sensor is reading the picture of the partial region on the original designated by said designating members and the corresponding output value of said output means and said counts of said first and said second counting means; and a processing means for processing the read signal generated by said image sensor in one manner when said identification signal is being generated and in a different manner when said identification signal is not being generated.

Claim 21

A picture processing unit as set forth in claim 16 further comprising a movable original table on which the original may be placed, the original picture being read by the movement of said original table with respect to said image sensor.

Claim 22

A picture processing unit as set forth in claim 16 further comprising a recording means which records the picture corresponding to said original picture in accordance with the output of said processing means.

Claim 23

A picture processing unit as set forth in claim 16, said processing means having first and second memories to store the read signals generated by said image sensor, and, when said identification signal is not being generated, storing said read signals in said first memory, and when said identification signal is being generated, storing said read signals in said second memory.

Claim 24

A picture processing unit as set forth in claim 19, said processing means being operative to make said second memory one which may be read in an order reversed from that in which data is written thereinto to obtain said read signal in said designated region which is inverted with respect to time.

Claim 25

A picture processing unit as set forth in claim 19 said processing means being operative to compress or expand relative to time said read signal in said designated region by making the read frequency for reading the signals stored in said first memory different from the read frequency for reading the signals stored in said second memory.

Claim 26

A picture processing unit as set forth in claim 16, said processing means further including a store member which stores the read signals generated by said image sensor.

Claim 27

A picture processing unit as set forth in claim 22, said processing means being operative to reverse said read signal when said identification signal is being generated, store said reversed read signal in said store member and obtain a signal made by reversing said read signal in said designated region with respect to amplitude.

Claim 28

A picture processing unit as set forth in claim 22, said processing means inhibiting the input of said read signal to said store member while said identification signal is being generated.

Claim 29

A picture processing unit comprising: a one dimensional image sensor, having a main scanning direction, for reading the picture on an original and generating a read signal indicative of said reading, said image sensor and said original being mounted for relative movement in a subscanning direction perpendicular to the main scanning direction of the image sensor; means for generating clock signals during scanning by said image sensor in the main scanning direction; designating means for designating a partial region of the original; an output means which outputs as digital values the partial region designated by said designating means in the main scanning direction and subscanning direction; a first counting means for counting the number of clock signals generated during scanning by said image sensor in each main scanning in order to detect the read position of said image sensor on the original in the main scanning direction; a second counting means which counts the number of main scannings in order to detect the read position of said image sensor on the original in the subscanning direction; and a processing means which processes the read signal generated by said image sensor in accordance with the output values of said output means and with the counts of said first and said second counting means.

Claim 30

A picture processing unit comprising: a one dimensional image sensor, having a main scanning direction, for reading the picture on an original and generating a read signal indicative of said reading, said image sensor and said original being mounted for relative movement in a subscanning direction perpendicular to the main scanning direction of the image sensor; means for generating clock signals during scanning by said image sensor in the main scanning direction; designating means for designating a partial region of the original; an output means which outputs as digital values the partial region designated by said designating means in the main scanning direction and subscanning direction; a first counting means for counting the number of clock signals generated during scanning by said image sensor in each main scanning in order to detect the read position of said image sensor on the original in the main scanning direction; a second counting means which counts the number of main scannings in order to detect the read position of said image sensor on the original in the subscanning direction; and a processing means which processes the read signal generated by said image sensor in accordance with the output values of said output means and with the counts of said first and said second counting means.

Claim 31

A picture processing unit according to claim 25, further comprising an original table on which the original may be placed to be read and wherein said designating means outputs a positioning signal corresponding to the position of an original placed on the original table at the time when the reading is performed.

Claim 32

A picture processing unit according to claim 25 wherein the original to be read by said image sensor is placed for reading on a predetermined table with the surface to be read facing upwardly.

Claim 33

A picture processing unit as set forth in claim 25, wherein said processing means inverts said read signal in said partial region with respect to time.

Claim 34

A picture processing system as set forth in claim 25, wherein said processing means inverts said read signal in said partial region with respect to amplitude.

Claim 35

A picture processing system as set forth in claim 25, wherein said processing means holds the read signal obtained during reading of said partial region to a specified level.

Claim 36

A picture processing system as set forth in claim 25, wherein said processing means holds the read signal obtained during reading of regions of the original picture other than said partial region to a specified level.

Claim 37

A picture processing system as set forth in claim 25, wherein said processing means at least one of compresses and expands said read signal in said partial region relative to time.

Claim 38

A picture processing system comprising: an image sensor for reading an original picture line by line and producing a picture signal indicative of the reading; means for generating clock signals used for reading operation of said image sensor; designating means for designating a partial region of the original; counting means for counting the number of said clock signals generated by said generating means to discriminate the partial region designated by said designating means; a memory means for storing the picture signal produced by said image sensor line by line; a control means for controlling the read/write operation of said memory means in accordance with the counts of said counting means, so as to achieve a desired picture processing for the image on the partial region designated by said designating means; and a recording means for recording the picture in accordance with the signal read from said memory means.

Claim 39

A picture processing system comprising: an image sensor for reading an original picture line by line and producing a picture signal indicative of the reading; means for generating clock signals used for reading operation of said image sensor; designating means for designating a partial region of the original; counting means for counting the number of said clock signals generated by said generating means to discriminate the partial region designated by said designating means; a memory means for storing the picture signal produced by said image sensor line by line; a control means for controlling the read/write operation of said memory means in accordance with the counts of said counting means, so as to achieve a desired picture processing for the image on the partial region designated by said designating means; and a recording means for recording the picture in accordance with the signal read from said memory means.

Claim 40

A picture processing system according to claim 33, wherein said memory means comprises at least one shift register.

Claim 41

A picture processing system according to claim 33, wherein said control means inhibits said memory means from storing the picture signal obtained in reading the image on the partial region by said image sensor.

Claim 42

A picture processing system according to claim 33, wherein said control means inhibits said memory means from storing the picture signal obtained in reading the image on the original picture in regions other than the partial region.

Claim 43

A picture processing system according to claim 33, wherein said control means causes a read out speed of the picture signal from said memory means to be differentiated between the inside and the outside of the partial region.