JPS54124925A - Processing system for picture signal - Google Patents

Processing system for picture signal

Info

Publication number
JPS54124925A
JPS54124925A JP3346778A JP3346778A JPS54124925A JP S54124925 A JPS54124925 A JP S54124925A JP 3346778 A JP3346778 A JP 3346778A JP 3346778 A JP3346778 A JP 3346778A JP S54124925 A JPS54124925 A JP S54124925A
Authority
JP
Japan
Prior art keywords
signal
white
black
signals
tone
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.)
Granted
Application number
JP3346778A
Other languages
English (en)
Japanese (ja)
Other versions
JPS639424B2 (enrdf_load_stackoverflow
Inventor
Yuichi Kishi
Akio Taguchi
Norio Kataoka
Harumitsu Shimizu
Hironari Inagaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Tamura Electric Works Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Tamura Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp, Tamura Electric Works Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP3346778A priority Critical patent/JPS54124925A/ja
Publication of JPS54124925A publication Critical patent/JPS54124925A/ja
Publication of JPS639424B2 publication Critical patent/JPS639424B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Image Signal Circuits (AREA)
JP3346778A 1978-03-23 1978-03-23 Processing system for picture signal Granted JPS54124925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3346778A JPS54124925A (en) 1978-03-23 1978-03-23 Processing system for picture signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3346778A JPS54124925A (en) 1978-03-23 1978-03-23 Processing system for picture signal

Publications (2)

Publication Number Publication Date
JPS54124925A true JPS54124925A (en) 1979-09-28
JPS639424B2 JPS639424B2 (enrdf_load_stackoverflow) 1988-02-29

Family

ID=12387342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3346778A Granted JPS54124925A (en) 1978-03-23 1978-03-23 Processing system for picture signal

Country Status (1)

Country Link
JP (1) JPS54124925A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544486A (ja) * 1991-08-13 1993-02-23 Mitsubishi Motors Corp 可変容量ターボチヤージヤのウエストゲート開閉制御装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5299720A (en) * 1976-02-18 1977-08-22 Toshiba Corp Method of converting analogous image signal to binary value
JPS52109322A (en) * 1976-03-10 1977-09-13 Hitachi Ltd Gradation binary value signal generating device
JPS5313821A (en) * 1976-07-23 1978-02-07 Sanyo Electric Co Ltd Picture signal processing circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5299720A (en) * 1976-02-18 1977-08-22 Toshiba Corp Method of converting analogous image signal to binary value
JPS52109322A (en) * 1976-03-10 1977-09-13 Hitachi Ltd Gradation binary value signal generating device
JPS5313821A (en) * 1976-07-23 1978-02-07 Sanyo Electric Co Ltd Picture signal processing circuit

Also Published As

Publication number Publication date
JPS639424B2 (enrdf_load_stackoverflow) 1988-02-29

Similar Documents

Publication Publication Date Title
EP0830012A3 (en) Image reading apparatus
EP0327107A3 (en) Method and processor for enhancing image sharpness for image reproduction with scanner
IE791783L (en) Pulse forming circuit
EP0118905A3 (en) Adaptive threshold circuit for image processing
JPS5675780A (en) Video signal processing circuit
GB1376189A (en) Mask for facsimile scanning apparatus
JPS54124925A (en) Processing system for picture signal
JPS54106110A (en) Facsimile device
JPS5661866A (en) Variable scanning system
EP0382581A3 (en) Image processing apparatus
JPS57162571A (en) Picture signal processing system
JPS57119564A (en) Half-tone picture processing method
JPS54124924A (en) Processing system for picture signal
JPS5799868A (en) Picture signal processing system
JPS5680959A (en) Picture scanner
WO1991009489A3 (en) Mixed matrix image processing for rendering halftone images with variable dot sizes
JPS5750173A (en) Transmission signal processing system
JPS5693482A (en) Picture input system
JPS5948589B2 (ja) 画像信号の２値化変換回路
JPS5513550A (en) Skip transmission unit
JPS5929421Y2 (ja) 画像情報読取装置
JPS5556757A (en) Facsimile signal reading device
JPS551762A (en) Automatic discriminating method of line density for facsimile
JPS5374827A (en) Information transmission system
JPS55127761A (en) Facsimile system