JPS5569838A - Pattern data generator - Google Patents
Pattern data generatorInfo
- Publication number
- JPS5569838A JPS5569838A JP14328178A JP14328178A JPS5569838A JP S5569838 A JPS5569838 A JP S5569838A JP 14328178 A JP14328178 A JP 14328178A JP 14328178 A JP14328178 A JP 14328178A JP S5569838 A JPS5569838 A JP S5569838A
- Authority
- JP
- Japan
- Prior art keywords
- block
- character
- pattern
- data
- bits
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Digital Computer Display Output (AREA)
Abstract
PURPOSE: To represent a pattern for one character by a small number of bits by dividing the dot pattern for one character into several blocks and then by assigning short block codes according to appearance probability at the time or coding.
CONSTITUTION: Row and column addresses UA and LA of an assigned character are assigned and a block code is sent from block pattern memory part 1. Synchronizing with a read signal through gate 4, codes are read in sequence and converted into parallel data, which are sent to decoder 8. On detecting block data consisting of two bits when the content of block assignment counter 6 is "2", decoder 8 inhibits signal P and stops read operation. When the data is not detected, an advance is made and dot pattern memory part 9 reads a not pattern equivalent to decoded data and sends it to a display part after conversion 11 into series data synchronizing with load signal L, thereby clearing block assignment counter 6 by load signal L. This constitution expresses a pattern for one character by a small number of bits.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14328178A JPS5569838A (en) | 1978-11-22 | 1978-11-22 | Pattern data generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14328178A JPS5569838A (en) | 1978-11-22 | 1978-11-22 | Pattern data generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5569838A true JPS5569838A (en) | 1980-05-26 |
Family
ID=15335080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14328178A Pending JPS5569838A (en) | 1978-11-22 | 1978-11-22 | Pattern data generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5569838A (en) |
-
1978
- 1978-11-22 JP JP14328178A patent/JPS5569838A/en active Pending
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