EP0039728A4 - Tete d'impression magnetique possedant un rapport signal/bruit eleve. - Google Patents

Tete d'impression magnetique possedant un rapport signal/bruit eleve.

Info

Publication number
EP0039728A4
EP0039728A4 EP19800902342 EP80902342A EP0039728A4 EP 0039728 A4 EP0039728 A4 EP 0039728A4 EP 19800902342 EP19800902342 EP 19800902342 EP 80902342 A EP80902342 A EP 80902342A EP 0039728 A4 EP0039728 A4 EP 0039728A4
Authority
EP
European Patent Office
Prior art keywords
noise ratio
printing head
high signal
magnetic printing
magnetic
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
EP19800902342
Other languages
German (de)
English (en)
Other versions
EP0039728A1 (fr
EP0039728B1 (fr
Inventor
Jish Min Wang
Cary Richard Oscar Mc
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.)
Genicom Corp
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of EP0039728A1 publication Critical patent/EP0039728A1/fr
Publication of EP0039728A4 publication Critical patent/EP0039728A4/fr
Application granted granted Critical
Publication of EP0039728B1 publication Critical patent/EP0039728B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G19/00—Processes using magnetic patterns; Apparatus therefor, i.e. magnetography

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
EP80902342A 1979-11-05 1980-10-29 Tete d'impression magnetique possedant un rapport signal/bruit eleve Expired EP0039728B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9152879A 1979-11-05 1979-11-05
US91528 1979-11-05

Publications (3)

Publication Number Publication Date
EP0039728A1 EP0039728A1 (fr) 1981-11-18
EP0039728A4 true EP0039728A4 (fr) 1982-01-26
EP0039728B1 EP0039728B1 (fr) 1985-01-30

Family

ID=22228253

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80902342A Expired EP0039728B1 (fr) 1979-11-05 1980-10-29 Tete d'impression magnetique possedant un rapport signal/bruit eleve

Country Status (5)

Country Link
EP (1) EP0039728B1 (fr)
JP (1) JPS56501562A (fr)
DE (1) DE3070076D1 (fr)
IT (1) IT1134161B (fr)
WO (1) WO1981001329A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405960A (en) * 1981-06-01 1983-09-20 Wang Laboratories, Inc. Magnetographic recording heads

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986190A (en) * 1974-04-01 1976-10-12 Schwabe Eberhard A System for generating magnetic images

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001841A (en) * 1975-04-25 1977-01-04 General Electric Company Recording head array with passive pole
US3946404A (en) * 1975-04-25 1976-03-23 General Electric Company Direct current bias fields for magnetic printing
US4097871A (en) * 1976-12-27 1978-06-27 General Electric Company Transverse recording head for magnetic printing
EP0029877A1 (fr) * 1979-07-26 1981-06-10 GENICOM Corporation Tête magnétique d'impression et procédé de fabrication

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986190A (en) * 1974-04-01 1976-10-12 Schwabe Eberhard A System for generating magnetic images

Also Published As

Publication number Publication date
JPS56501562A (fr) 1981-10-29
IT8025752A0 (it) 1980-11-04
DE3070076D1 (en) 1985-03-14
EP0039728A1 (fr) 1981-11-18
IT1134161B (it) 1986-07-31
WO1981001329A1 (fr) 1981-05-14
EP0039728B1 (fr) 1985-01-30

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