GB1393502A - Calculators - Google Patents

Calculators

Info

Publication number
GB1393502A
GB1393502A GB952973A GB952973A GB1393502A GB 1393502 A GB1393502 A GB 1393502A GB 952973 A GB952973 A GB 952973A GB 952973 A GB952973 A GB 952973A GB 1393502 A GB1393502 A GB 1393502A
Authority
GB
United Kingdom
Prior art keywords
parameters
characters
type
slides
lines
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
GB952973A
Other languages
English (en)
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.)
FRESA Ets
Original Assignee
FRESA Ets
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 FRESA Ets filed Critical FRESA Ets
Publication of GB1393502A publication Critical patent/GB1393502A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/0005—Hand manipulated computing devices characterised by a specific application
    • G06G1/0047—Hand manipulated computing devices characterised by a specific application for printing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Credit Cards Or The Like (AREA)
GB952973A 1972-03-01 1973-02-27 Calculators Expired GB1393502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH301572A CH556060A (fr) 1972-03-01 1972-03-01 Dispositif pour faciliter la lecture de reglettes graduees.

Publications (1)

Publication Number Publication Date
GB1393502A true GB1393502A (en) 1975-05-07

Family

ID=4246717

Family Applications (1)

Application Number Title Priority Date Filing Date
GB952973A Expired GB1393502A (en) 1972-03-01 1973-02-27 Calculators

Country Status (8)

Country Link
US (1) US3831840A (it)
JP (1) JPS48101990A (it)
CH (1) CH556060A (it)
DE (1) DE2216407A1 (it)
FR (1) FR2174601A5 (it)
GB (1) GB1393502A (it)
IT (1) IT977902B (it)
NL (1) NL7302266A (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272674A (en) 1977-10-31 1981-06-09 Tokyo Keiki Company Ltd. Check digit calculator
US4419572A (en) 1977-10-31 1983-12-06 Tokyo Keiki Company Ltd. Check digit calculator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US67269A (en) * 1867-07-30 coffin
US1354977A (en) * 1916-10-03 1920-10-05 Charles T Kammeyer Type-gage
US2643058A (en) * 1951-07-23 1953-06-23 Michael J Quillinan Slide rule
US3197135A (en) * 1963-07-24 1965-07-27 Turner M Osler Slide rule
US3272431A (en) * 1965-07-15 1966-09-13 Cesar M Dablo Fraction-decimal calculator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272674A (en) 1977-10-31 1981-06-09 Tokyo Keiki Company Ltd. Check digit calculator
US4419572A (en) 1977-10-31 1983-12-06 Tokyo Keiki Company Ltd. Check digit calculator

Also Published As

Publication number Publication date
NL7302266A (it) 1973-09-04
US3831840A (en) 1974-08-27
CH556060A (fr) 1974-11-15
DE2216407A1 (de) 1973-09-06
FR2174601A5 (it) 1973-10-12
IT977902B (it) 1974-09-20
JPS48101990A (it) 1973-12-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee