GB1282558A - Improvements in or relating to programming means - Google Patents

Improvements in or relating to programming means

Info

Publication number
GB1282558A
GB1282558A GB4311368A GB4311368A GB1282558A GB 1282558 A GB1282558 A GB 1282558A GB 4311368 A GB4311368 A GB 4311368A GB 4311368 A GB4311368 A GB 4311368A GB 1282558 A GB1282558 A GB 1282558A
Authority
GB
United Kingdom
Prior art keywords
platen
pawl
ratchet wheel
solenoid
engaging
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
GB4311368A
Inventor
Herman James Gawlik
Eric Sidney Adshead
John Stanley Dowd
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB4311368A priority Critical patent/GB1282558A/en
Publication of GB1282558A publication Critical patent/GB1282558A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/40—Transformation of program code
    • G06F8/41—Compilation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0232—Manual direct entries, e.g. key to main memory

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Software Systems (AREA)
  • Handling Of Sheets (AREA)

Abstract

1282558 Selective printing DEFENCE SECRETARY OF STATE FOR 27 Oct 1969 [11 Sept 1968] 43113/68 Heading B6F A typewriter has key operated means for rotating its platen backward or forward for printing superscripts (such as powers) and subscripts, the key also producing an output for inclusion in a punched tape, punched card, magnetic tape or like computer programming means, so that the significance of a digit typed can be distinguished by the computer according to the level at which it is printed with respect to the line of type. The platen rotating means may comprise a solenoid S3 acting on a spring- biased plunger 12 to which a pawl P3 is pivoted, the pawl P3 being urged towards a ratchet wheel R3 on the platen shaft, but prevented from engaging the ratchet wheel by a pin 16 engaging a cam surface 22 whereby when the solenoid is operated the pawl is allowed to engage the ratchet wheel. Two platen rotating means are provided for rotation in opposite senses.
GB4311368A 1968-09-11 1968-09-11 Improvements in or relating to programming means Expired GB1282558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4311368A GB1282558A (en) 1968-09-11 1968-09-11 Improvements in or relating to programming means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4311368A GB1282558A (en) 1968-09-11 1968-09-11 Improvements in or relating to programming means

Publications (1)

Publication Number Publication Date
GB1282558A true GB1282558A (en) 1972-07-19

Family

ID=10427379

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4311368A Expired GB1282558A (en) 1968-09-11 1968-09-11 Improvements in or relating to programming means

Country Status (1)

Country Link
GB (1) GB1282558A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475828A (en) * 1980-07-31 1984-10-09 Canon Kabushiki Kaisha Small printer
GB2142580A (en) * 1983-05-24 1985-01-23 Canon Kk Line feed in platen printing apparatus
US4606664A (en) * 1984-02-29 1986-08-19 International Business Machines Corporation Control of movement of printing base line
US4699534A (en) * 1983-03-04 1987-10-13 Canon Kabushiki Kaisha Sheet advancing device
US4728209A (en) * 1981-09-24 1988-03-01 Canon Kabushiki Kaisha Printing apparatus having a memory for storing composite and printed character information for subsequent erasure
US4976557A (en) * 1985-02-20 1990-12-11 Canon Kabushiki Kaisha Sheet conveying device with axially disengaged transmitter of restraining force

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475828A (en) * 1980-07-31 1984-10-09 Canon Kabushiki Kaisha Small printer
US4728209A (en) * 1981-09-24 1988-03-01 Canon Kabushiki Kaisha Printing apparatus having a memory for storing composite and printed character information for subsequent erasure
US4699534A (en) * 1983-03-04 1987-10-13 Canon Kabushiki Kaisha Sheet advancing device
GB2142580A (en) * 1983-05-24 1985-01-23 Canon Kk Line feed in platen printing apparatus
US4971466A (en) * 1983-05-24 1990-11-20 Canon Kabushiki Kaisha Printing apparatus having a rotatable member rotatable in incremental steps smaller than the pitch of a detent gear and including means for accurately retaining the rotatable member at a predetermined position when the detent mechanism is inoperable
US4606664A (en) * 1984-02-29 1986-08-19 International Business Machines Corporation Control of movement of printing base line
US4976557A (en) * 1985-02-20 1990-12-11 Canon Kabushiki Kaisha Sheet conveying device with axially disengaged transmitter of restraining force

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee