GB2154776B - Control of a light emitting diode array - Google Patents

Control of a light emitting diode array

Info

Publication number
GB2154776B
GB2154776B GB08423544A GB8423544A GB2154776B GB 2154776 B GB2154776 B GB 2154776B GB 08423544 A GB08423544 A GB 08423544A GB 8423544 A GB8423544 A GB 8423544A GB 2154776 B GB2154776 B GB 2154776B
Authority
GB
United Kingdom
Prior art keywords
control
light emitting
emitting diode
diode array
array
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.)
Expired
Application number
GB08423544A
Other versions
GB2154776A (en
GB8423544D0 (en
Inventor
Donald T Dolan
Henry Stalzer
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.)
Pitney Bowes Inc
Original Assignee
Pitney Bowes Inc
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
Priority claimed from US06/292,985 external-priority patent/US4455562A/en
Application filed by Pitney Bowes Inc filed Critical Pitney Bowes Inc
Priority to GB08423544A priority Critical patent/GB2154776B/en
Publication of GB8423544D0 publication Critical patent/GB8423544D0/en
Publication of GB2154776A publication Critical patent/GB2154776A/en
Application granted granted Critical
Publication of GB2154776B publication Critical patent/GB2154776B/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/401Compensating positionally unequal response of the pick-up or reproducing head
    • H04N1/4015Compensating positionally unequal response of the pick-up or reproducing head of the reproducing head
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/447Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
    • B41J2/45Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using light-emitting diode [LED] or laser arrays
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1238Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point
    • G06K15/1242Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on one main scanning line
    • G06K15/1247Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on one main scanning line using an array of light sources, e.g. a linear array

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
GB08423544A 1981-08-14 1984-09-18 Control of a light emitting diode array Expired GB2154776B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08423544A GB2154776B (en) 1981-08-14 1984-09-18 Control of a light emitting diode array

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/292,985 US4455562A (en) 1981-08-14 1981-08-14 Control of a light emitting diode array
GB08223270A GB2104266B (en) 1981-08-14 1982-08-12 Control of a light emitting diode array
GB08423544A GB2154776B (en) 1981-08-14 1984-09-18 Control of a light emitting diode array

Publications (3)

Publication Number Publication Date
GB8423544D0 GB8423544D0 (en) 1984-10-24
GB2154776A GB2154776A (en) 1985-09-11
GB2154776B true GB2154776B (en) 1986-02-26

Family

ID=27261697

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08423544A Expired GB2154776B (en) 1981-08-14 1984-09-18 Control of a light emitting diode array

Country Status (1)

Country Link
GB (1) GB2154776B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038208A (en) * 1987-11-16 1991-08-06 Canon Kabushiki Kaisha Image forming apparatus with a function for correcting recording density uneveness
JPH01146460A (en) * 1987-12-02 1989-06-08 Sharp Corp Picture reader
DE59608981D1 (en) * 1995-05-22 2002-05-02 Oce Printing Systems Gmbh Optical character generator for an electrographic printer or copier

Also Published As

Publication number Publication date
GB2154776A (en) 1985-09-11
GB8423544D0 (en) 1984-10-24

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20020811