GB1183587A - Electrographic Apparatus - Google Patents

Electrographic Apparatus

Info

Publication number
GB1183587A
GB1183587A GB50574/66A GB5057466A GB1183587A GB 1183587 A GB1183587 A GB 1183587A GB 50574/66 A GB50574/66 A GB 50574/66A GB 5057466 A GB5057466 A GB 5057466A GB 1183587 A GB1183587 A GB 1183587A
Authority
GB
United Kingdom
Prior art keywords
signal
pattern
recording
head
see
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
GB50574/66A
Other languages
English (en)
Inventor
Arthur Edward Brewster
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB50574/66A priority Critical patent/GB1183587A/en
Priority to GB25608/67A priority patent/GB1141726A/en
Priority to SE15201/67A priority patent/SE339883B/xx
Priority to FR1553848D priority patent/FR1553848A/fr
Priority to NL6715257A priority patent/NL6715257A/xx
Priority to CH1577567A priority patent/CH480673A/de
Priority to DE19671524883 priority patent/DE1524883A1/de
Priority to US705590*A priority patent/US3562759A/en
Priority to US727965A priority patent/US3549824A/en
Priority to DE19681774318 priority patent/DE1774318A1/de
Priority to CH802068A priority patent/CH485290A/de
Priority to FR153552A priority patent/FR94962E/fr
Publication of GB1183587A publication Critical patent/GB1183587A/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
    • H04N1/23Reproducing arrangements
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G19/00Processes using magnetic patterns; Apparatus therefor, i.e. magnetography
    • 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
    • G06K15/14Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by electrographic printing, e.g. xerography; by magnetographic printing
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/49Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4907Details for scanning
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Magnetic Heads (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
GB50574/66A 1966-11-11 1966-11-11 Electrographic Apparatus Expired GB1183587A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB50574/66A GB1183587A (en) 1966-11-11 1966-11-11 Electrographic Apparatus
GB25608/67A GB1141726A (en) 1966-11-11 1967-06-02 A magnetic recording head
SE15201/67A SE339883B (fr) 1966-11-11 1967-11-07
FR1553848D FR1553848A (fr) 1966-11-11 1967-11-10
NL6715257A NL6715257A (fr) 1966-11-11 1967-11-10
CH1577567A CH480673A (de) 1966-11-11 1967-11-10 Vorrichtung zum Sichtbarmachen von in elektrischen Signalen enthaltener Information
DE19671524883 DE1524883A1 (de) 1966-11-11 1967-11-11 Vorrichtung zum voruebergehenden Sichtbarmachen latenter Aufzeichnungen magnetischer oder elektrostatischer Natur
US705590*A US3562759A (en) 1966-11-11 1968-01-11 Pattern forming apparatus
US727965A US3549824A (en) 1966-11-11 1968-05-09 Magnetic recording head having constant-width recording gap subjected to decaying amplitude bias
DE19681774318 DE1774318A1 (de) 1966-11-11 1968-05-22 Schreibkopf zur magnetischen seriellen Queraufzeichnung
CH802068A CH485290A (de) 1966-11-11 1968-05-30 Schreibkopf zur magnetischen seriellen Queraufzeichnung
FR153552A FR94962E (fr) 1966-11-11 1968-05-31 Appareil pour former un dessin, motif ou diagramme représentatif d'une information.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB50574/66A GB1183587A (en) 1966-11-11 1966-11-11 Electrographic Apparatus

Publications (1)

Publication Number Publication Date
GB1183587A true GB1183587A (en) 1970-03-11

Family

ID=10456431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50574/66A Expired GB1183587A (en) 1966-11-11 1966-11-11 Electrographic Apparatus

Country Status (7)

Country Link
US (1) US3562759A (fr)
CH (1) CH480673A (fr)
DE (1) DE1524883A1 (fr)
FR (1) FR1553848A (fr)
GB (1) GB1183587A (fr)
NL (1) NL6715257A (fr)
SE (1) SE339883B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946404A (en) * 1975-04-25 1976-03-23 General Electric Company Direct current bias fields for magnetic printing
FR2648608B1 (fr) * 1989-06-16 1991-08-30 Thomson Csf Tete magnetique d'enregistrement multipiste a structure matricielle compacte
FR2650106B1 (fr) * 1989-07-21 1991-09-20 Thomson Csf Tete magnetique d'enregistrement multipiste a grand contraste de champ

Also Published As

Publication number Publication date
US3562759A (en) 1971-02-09
SE339883B (fr) 1971-10-25
CH480673A (de) 1969-10-31
DE1524883A1 (de) 1970-10-22
FR1553848A (fr) 1969-01-17
NL6715257A (fr) 1968-05-13

Similar Documents

Publication Publication Date Title
US2540654A (en) Data storage system
US2737646A (en) Transient viewer and recorder
GB1319047A (en) Erasing a visible magnetic record medium
US3453640A (en) Diffraction grating recording
US3961315A (en) Information recording system
US3713721A (en) Polarized light beam scanning with improved angular resolution
US3890623A (en) Magnetic document encoder having multiple staggered styli
GB1183587A (en) Electrographic Apparatus
US3508245A (en) Photographic reproduction
US2877080A (en) Variable-intensity recorder
US5049897A (en) Method and apparatus for beam displacement in a light beam scanner
US3946404A (en) Direct current bias fields for magnetic printing
GB833724A (en) Electromagnetic printer
US3815107A (en) Cylindrical magnetic domain display system
GB1097735A (en) Improvements in or relating to printing
US3149901A (en) Recorder
US3769468A (en) Audio reproduction methods and apparatus
US3623123A (en) Electrostatic printer
US3986190A (en) System for generating magnetic images
US3173743A (en) Representation of seismograms
CA1135327A (fr) Appareil d'impression a tube cathodique et methode d'utilisation
US4146898A (en) Non-contact magnetic toner transfer system
US4030105A (en) Technique of character generation on magnetic tapes
US3448211A (en) Magneto-optic display system
GB1050122A (fr)

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PLNP Patent lapsed through nonpayment of renewal fees