GB8818270D0 - Electronic calculator - Google Patents

Electronic calculator

Info

Publication number
GB8818270D0
GB8818270D0 GB888818270A GB8818270A GB8818270D0 GB 8818270 D0 GB8818270 D0 GB 8818270D0 GB 888818270 A GB888818270 A GB 888818270A GB 8818270 A GB8818270 A GB 8818270A GB 8818270 D0 GB8818270 D0 GB 8818270D0
Authority
GB
United Kingdom
Prior art keywords
electronic calculator
calculator
electronic
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.)
Withdrawn
Application number
GB888818270A
Other versions
GB2222280A (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.)
Leona Electronics Co Ltd
Original Assignee
Leona Electronics Co Ltd
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 Leona Electronics Co Ltd filed Critical Leona Electronics Co Ltd
Priority to GB8818270A priority Critical patent/GB2222280A/en
Publication of GB8818270D0 publication Critical patent/GB8818270D0/en
Publication of GB2222280A publication Critical patent/GB2222280A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
    • G06K19/041—Constructional details
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/02—Eyepieces; Magnifying glasses with means for illuminating object viewed
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
    • G06F15/0208—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators for combination with other devices having a different main function, e.g. watches, pens

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
GB8818270A 1988-08-01 1988-08-01 Electronic calculator with lens Withdrawn GB2222280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8818270A GB2222280A (en) 1988-08-01 1988-08-01 Electronic calculator with lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8818270A GB2222280A (en) 1988-08-01 1988-08-01 Electronic calculator with lens

Publications (2)

Publication Number Publication Date
GB8818270D0 true GB8818270D0 (en) 1988-09-07
GB2222280A GB2222280A (en) 1990-02-28

Family

ID=10641445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8818270A Withdrawn GB2222280A (en) 1988-08-01 1988-08-01 Electronic calculator with lens

Country Status (1)

Country Link
GB (1) GB2222280A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6176430B1 (en) * 1992-02-12 2001-01-23 Lenscard U.S. Llc Method for making a wallet card with an integral magnifying lens
US6817532B2 (en) 1992-02-12 2004-11-16 Lenscard U.S., Llc Wallet card with built-in light
US6769618B1 (en) 1992-02-12 2004-08-03 Lenscard U.S., Llc Wallet card with a magnifying lens and light

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE806095A (en) * 1973-09-15 1974-02-01 Aviat Prazisionsmechanik Ind E PORTABLE CALCULATOR
JPS6339758U (en) * 1986-08-26 1988-03-15

Also Published As

Publication number Publication date
GB2222280A (en) 1990-02-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)