JPS53139422A - Multi-gradation recording device - Google Patents

Multi-gradation recording device

Info

Publication number
JPS53139422A
JPS53139422A JP5491177A JP5491177A JPS53139422A JP S53139422 A JPS53139422 A JP S53139422A JP 5491177 A JP5491177 A JP 5491177A JP 5491177 A JP5491177 A JP 5491177A JP S53139422 A JPS53139422 A JP S53139422A
Authority
JP
Japan
Prior art keywords
recording device
gradation recording
securing
gradation
timer
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
JP5491177A
Other languages
Japanese (ja)
Other versions
JPS5821978B2 (en
Inventor
Hideaki Ohira
Hiroyuki Ando
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.)
Panasonic System Solutions Japan Co Ltd
Panasonic Holdings Corp
Original Assignee
Matsushita Graphic Communication Systems Inc
Matsushita Electric Industrial Co 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 Matsushita Graphic Communication Systems Inc, Matsushita Electric Industrial Co Ltd filed Critical Matsushita Graphic Communication Systems Inc
Priority to JP52054911A priority Critical patent/JPS5821978B2/en
Publication of JPS53139422A publication Critical patent/JPS53139422A/en
Publication of JPS5821978B2 publication Critical patent/JPS5821978B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

PURPOSE: To ensure a high-speed multi-gradation recording with a sufficient gradation property and through a simple constitution, by securing a data transfer when the output of the pulse duration modulation circuit is applied and securing a timer when the memorized signal is applied to the picture element reproducing element respectively.
COPYRIGHT: (C)1978,JPO&Japio
JP52054911A 1977-05-12 1977-05-12 Multi-gradation recording device Expired JPS5821978B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52054911A JPS5821978B2 (en) 1977-05-12 1977-05-12 Multi-gradation recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52054911A JPS5821978B2 (en) 1977-05-12 1977-05-12 Multi-gradation recording device

Publications (2)

Publication Number Publication Date
JPS53139422A true JPS53139422A (en) 1978-12-05
JPS5821978B2 JPS5821978B2 (en) 1983-05-06

Family

ID=12983774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52054911A Expired JPS5821978B2 (en) 1977-05-12 1977-05-12 Multi-gradation recording device

Country Status (1)

Country Link
JP (1) JPS5821978B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677236U (en) * 1979-11-20 1981-06-23
JPS5762667A (en) * 1980-10-03 1982-04-15 Nec Corp Tonal range recording system
JPS57123766A (en) * 1981-01-23 1982-08-02 Ricoh Co Ltd Density gradation processing system of digital facsimile

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4984515A (en) * 1972-12-20 1974-08-14
JPS502409A (en) * 1973-05-08 1975-01-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4984515A (en) * 1972-12-20 1974-08-14
JPS502409A (en) * 1973-05-08 1975-01-11

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677236U (en) * 1979-11-20 1981-06-23
JPS5762667A (en) * 1980-10-03 1982-04-15 Nec Corp Tonal range recording system
JPS57123766A (en) * 1981-01-23 1982-08-02 Ricoh Co Ltd Density gradation processing system of digital facsimile
JPS6149873B2 (en) * 1981-01-23 1986-10-31 Ricoh Kk

Also Published As

Publication number Publication date
JPS5821978B2 (en) 1983-05-06

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