AU540022B2 – Facsimile receiver picture signal circuit with analog memory
– Google Patents
AU540022B2 – Facsimile receiver picture signal circuit with analog memory
– Google Patents
Facsimile receiver picture signal circuit with analog memory
Info
Publication number
AU540022B2
AU540022B2
AU46857/79A
AU4685779A
AU540022B2
AU 540022 B2
AU540022 B2
AU 540022B2
AU 46857/79 A
AU46857/79 A
AU 46857/79A
AU 4685779 A
AU4685779 A
AU 4685779A
AU 540022 B2
AU540022 B2
AU 540022B2
Authority
AU
Australia
Prior art keywords
picture signal
signal circuit
analog memory
facsimile receiver
receiver picture
Prior art date
1978-05-09
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.)
Expired
Application number
AU46857/79A
Other versions
AU4685779A
(en
Inventor
Takashi Ishikawa
Seisaku Minamibayashi
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.)
NEC Corp
Original Assignee
Nippon Electric 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.)
1978-05-09
Filing date
1979-05-08
Publication date
1984-10-25
1979-05-08
Application filed by Nippon Electric Co Ltd
filed
Critical
Nippon Electric Co Ltd
1979-11-29
Publication of AU4685779A
publication
Critical
patent/AU4685779A/en
1984-10-25
Application granted
granted
Critical
1984-10-25
Publication of AU540022B2
publication
Critical
patent/AU540022B2/en
1995-05-08
Anticipated expiration
legal-status
Critical
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
H04N1/40—Picture signal circuits
H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
H04N1/40—Picture signal circuits
H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
H04N1/40031—Circuits exciting or modulating particular heads for reproducing continuous tone value scales for a plurality of reproducing elements simultaneously
AU46857/79A
1978-05-09
1979-05-08
Facsimile receiver picture signal circuit with analog memory
Expired
AU540022B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
JP5521478A
JPS54146528A
(en)
1978-05-09
1978-05-09
Electron distribution recording device
JP5521478
1978-05-09
Publications (2)
Publication Number
Publication Date
AU4685779A
AU4685779A
(en)
1979-11-29
AU540022B2
true
AU540022B2
(en)
1984-10-25
Family
ID=12992364
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU46857/79A
Expired
AU540022B2
(en)
1978-05-09
1979-05-08
Facsimile receiver picture signal circuit with analog memory
Country Status (7)
Country
Link
US
(1)
US4264932A
(en)
JP
(1)
JPS54146528A
(en)
AU
(1)
AU540022B2
(en)
CA
(1)
CA1129987A
(en)
DE
(1)
DE2918710C2
(en)
GB
(1)
GB2023961B
(en)
SE
(1)
SE430458B
(en)
Families Citing this family (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS55140367A
(en)
*
1979-04-20
1980-11-01
Iwatsu Electric Co Ltd
Magnetic imaging device
JPS5825965A
(en)
*
1981-08-08
1983-02-16
Sony Corp
Correction circuit for characteristic of coloration in printer
US4525727A
(en)
*
1982-02-17
1985-06-25
Matsushita Electric Industrial Company, Limited
Electroosmotic ink printer
US4532523A
(en)
*
1982-03-16
1985-07-30
Victor Company Of Japan, Ltd.
Tone control for thermal ink-transfer printing apparatus
JPS5911063A
(en)
*
1982-07-12
1984-01-20
Ricoh Co Ltd
Facsimile device
DE3338722A1
(en)
*
1982-10-26
1984-05-03
Victor Company Of Japan, Ltd., Yokohama, Kanagawa
INK TRANSFER THERMAL PRINTER WITH HIGH RESOLUTION
DE3676784D1
(en)
*
1985-10-18
1991-02-14
Matsushita Graphic Communic
CORRECTION / READER RELATING TO PREVIOUS RECORDING.
Family Cites Families (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS5751310B2
(en)
*
1972-06-07
1982-11-01
JPS51123511A
(en)
*
1975-04-22
1976-10-28
Oki Electric Ind Co Ltd
Degree recording method
JPS5267210A
(en)
*
1975-12-01
1977-06-03
Toshiba Corp
Facsimile transmission equipment
US4074319A
(en)
*
1976-12-13
1978-02-14
Bell Telephone Laboratories, Incorporated
Light emitting diode array imaging system – parallel approach
1978
1978-05-09
JP
JP5521478A
patent/JPS54146528A/en
active
Granted
1979
1979-05-01
US
US06/035,019
patent/US4264932A/en
not_active
Expired – Lifetime
1979-05-04
GB
GB7915657A
patent/GB2023961B/en
not_active
Expired
1979-05-08
AU
AU46857/79A
patent/AU540022B2/en
not_active
Expired
1979-05-08
CA
CA327,169A
patent/CA1129987A/en
not_active
Expired
1979-05-08
SE
SE7904035A
patent/SE430458B/en
not_active
IP Right Cessation
1979-05-09
DE
DE2918710A
patent/DE2918710C2/en
not_active
Expired
Also Published As
Publication number
Publication date
DE2918710C2
(en)
1983-02-10
SE7904035L
(en)
1979-11-10
JPS54146528A
(en)
1979-11-15
SE430458B
(en)
1983-11-14
CA1129987A
(en)
1982-08-17
GB2023961B
(en)
1982-08-11
AU4685779A
(en)
1979-11-29
JPH0132701B2
(en)
1989-07-10
GB2023961A
(en)
1980-01-03
DE2918710A1
(en)
1980-01-17
US4264932A
(en)
1981-04-28
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