Display system

Claim 2

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for comparing the information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to write display information different from the readout information, and controlling said matrix electrodes such that only a scanning line corresponding to the stored address information is scanned.

Claim 3

A system according to claim 1, wherein said control means comprises a flag memory for storing the address information corresponding to the scanning line of the write display information different from the readout information.

Claim 4

A system according to claim 1, wherein said display panel has a memory effect.

Claim 5

A system according to claim 1, wherein said display panel comprises a ferroelectric liquid crystal.

Claim 6

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing display information transferred from a drawer; and c. control means for comparing information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to write information different from the readout information, and controlling said matrix electrodes such that a scanning line corresponding to the stored address information is scanned at an end of one vertical scanning.

Claim 7

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing display information transferred from a drawer; and c. control means for comparing information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to write information different from the readout information, and controlling said matrix electrodes such that a scanning line corresponding to the stored address information is scanned at an end of one vertical scanning.

Claim 8

A system according to claim 5, wherein said control means comprises a flag memory for storing the address information corresponding to the scanning line of the write display information different from the readout information.

Claim 9

A system according to claim 5, wherein said display panel has a memory effect.

Claim 10

A system according to claim 5, wherein said display panel comprises a ferroelectric liquid crystal.

Claim 11

A system according to claim 5, wherein said one vertical scanning is interlaced scanning every two or more scanning lines.

Claim 12

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for comparing information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to display information different from the readout information when the write display information different from the readout information is detected as a result of comparison, controlling said matrix electrodes such that only the scanning line corresponding to the stored address information is scanned, and controlling said matrix electrodes such that predetermined one vertical scanning is performed when the write display information different from the readout information is not detected as the result of comparison.

Claim 13

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for comparing information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to display information different from the readout information when the write display information different from the readout information is detected as a result of comparison, controlling said matrix electrodes such that only the scanning line corresponding to the stored address information is scanned, and controlling said matrix electrodes such that predetermined one vertical scanning is performed when the write display information different from the readout information is not detected as the result of comparison.

Claim 14

A system according to claim 10, wherein said control means comprises a flag memory for storing the address information for designating the scanning line corresponding to the write display information different from the readout information.

Claim 15

A system according to claim 10, wherein said display panel has a memory effect.

Claim 16

A system according to claim 10, wherein said display panel comprises a ferroelectric liquid crystal.

Claim 17

A system according to claim 10, wherein said one vertical scanning is interlaced scanning every two or more scanning lines.

Claim 18

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for storing address information for designating only a write scanning line of mouse or cursor display information, transferring the stored address information, and controlling said matrix electrodes to scan only the write scanning line of the mouse or cursor write information when information read out from said display information storage memory is still image display information or scroll display information and write information to be written in said display information storage memory is the mouse or cursor display information.

Claim 19

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for storing address information for designating only a write scanning line of mouse or cursor display information, transferring the stored address information, and controlling said matrix electrodes to scan only the write scanning line of the mouse or cursor write information when information read out from said display information storage memory is still image display information or scroll display information and write information to be written in said display information storage memory is the mouse or cursor display information.

Claim 20

A system according to claim 15, wherein said control means comprises a flag memory for storing address information.

Claim 21

A system according to claim 15, wherein said display panel has a memory effect.

Claim 22

A system according to claim 15, wherein said display panel comprises a ferroelectric liquid crystal.

Claim 23

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for comparing the information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to write display information different from the readout information, scanning the scanning line corresponding to the stored address information for a predetermined period of time, and controlling said matrix electrodes so that scanning of the scanning line corresponding to the stored address information is interrupted after a lapse of the predetermined period of time.

Claim 24

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for comparing the information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to write display information different from the readout information, scanning the scanning line corresponding to the stored address information for a predetermined period of time, and controlling said matrix electrodes so that scanning of the scanning line corresponding to the stored address information is interrupted after a lapse of the predetermined period of time.

Claim 25

A system according to claim 19, wherein said control means comprises a flag memory for storing the address information for designating the scanning line corresponding to the write display infornation different from the readout information.

Claim 26

A system according to claim 19, wherein said display panel has a memory effect.

Claim 27

A system according to claim 19, wherein said display panel comprises a ferroelectric liquid crystal.

Claim 28

A system according to claim 19, wherein said control means comprises a timer for counting the predetermined period of time required for scanning the scanning line corresponding to the stored address information.

Claim 29

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for comparing the information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to write display information different from the readout information, scanning the scanning line corresponding to the stored address information for a predetermined period of time, and controlling said matrix electrodes to perform one vertical scanning after a lapse of the predetermined period of time.

Claim 30

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for comparing the information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to write display information different from the readout information, scanning the scanning line corresponding to the stored address information for a predetermined period of time, and controlling said matrix electrodes to perform one vertical scanning after a lapse of the predetermined period of time.

Claim 31

A system according to claim 24, wherein said control means comprises a flag memory for storing the address information for designating the scanning line corresponding to the write display information different from the readout information.

Claim 32

A system according to claim 24, wherein said display panel has a memory effect.

Claim 33

A system according to claim 24, wherein said display panel comprises a ferroelectric liquid crystal.

Claim 34

A system according to claim 24, wherein said control means comprises a timer for counting the predetermined period of time for scanning the scanning line corresponding to the stored address information.

Claim 35

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for comparing the information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to write display information different from the readout information, controlling said matrix electrodes such that only scanning lines whose number is less than a predetermined number are scanned when the number of scanning lines corresponding to the stored address information is smaller than the predetermined number.

Claim 36

A display system comprising: a. a display panel having matrix electrodes constituted by scanning lines and information lines; b. a display information storage memory for storing the display information transferred from a drawer; and c. control means for comparing the information read out from said display information storage memory with write display information to be written in said display information storage memory, storing address information for designating a scanning line corresponding to write display information different from the readout information, controlling said matrix electrodes such that only scanning lines whose number is less than a predetermined number are scanned when the number of scanning lines corresponding to the stored address information is smaller than the predetermined number.

Claim 37

A system according to claim 29, wherein said control means comprises a flag memory for storing the address information for designating the scanning line corresponding to the write display information different from the readout information.

Claim 38

A system according to claim 29, wherein said display panel has a memory effect.

Claim 39

A system according to claim 29, wherein said display panel comprises a ferroelectric liquid crystal.

Claim 40

A system according to claim 29, wherein said control means comprises means for counting the number of scanning lines corresponding to the stored address information.