NL175373C - CALCULATOR. - Google Patents

CALCULATOR.

Info

Publication number
NL175373C
NL175373C NL7313697A NL7313697A NL175373C NL 175373 C NL175373 C NL 175373C NL 7313697 A NL7313697 A NL 7313697A NL 7313697 A NL7313697 A NL 7313697A NL 175373 C NL175373 C NL 175373C
Authority
NL
Netherlands
Prior art keywords
calculator
Prior art date
Application number
NL7313697A
Other languages
Dutch (nl)
Other versions
NL7313697A (en
NL175373B (en
Original Assignee
Sharp Kk
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
Priority claimed from JP10099672A external-priority patent/JPS4958359A/ja
Priority claimed from JP4692973A external-priority patent/JPS5430268B2/ja
Application filed by Sharp Kk filed Critical Sharp Kk
Publication of NL7313697A publication Critical patent/NL7313697A/xx
Publication of NL175373B publication Critical patent/NL175373B/en
Application granted granted Critical
Publication of NL175373C publication Critical patent/NL175373C/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/034—Separate snap action
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/024—Packing between substrate and membrane
    • H01H2229/028—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/034—Positioning of layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/008—Static electricity considerations
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Calculators And Similar Devices (AREA)
  • Input From Keyboards Or The Like (AREA)
NL7313697A 1972-10-06 1973-10-05 CALCULATOR. NL175373C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10099672A JPS4958359A (en) 1972-10-06 1972-10-06
JP4692973A JPS5430268B2 (en) 1973-04-24 1973-04-24

Publications (3)

Publication Number Publication Date
NL7313697A NL7313697A (en) 1974-04-09
NL175373B NL175373B (en) 1984-05-16
NL175373C true NL175373C (en) 1984-10-16

Family

ID=26387092

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7313697A NL175373C (en) 1972-10-06 1973-10-05 CALCULATOR.

Country Status (7)

Country Link
CA (1) CA1038964A (en)
CH (1) CH578213A5 (en)
FR (1) FR2213538B1 (en)
GB (1) GB1405048A (en)
IT (1) IT996789B (en)
NL (1) NL175373C (en)
SE (1) SE396662B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264217A (en) 1978-07-21 1981-04-28 Sieno Duane D De Text editor
JPS59230112A (en) * 1983-06-13 1984-12-24 Hitachi Ltd On-vehicle electronic display type instrument board
US4764770A (en) * 1986-06-11 1988-08-16 Hewlett-Packard Company Stabilized molded rubber keyboards
GB2322008A (en) * 1997-02-10 1998-08-12 Nokia Mobile Phones Ltd Switch

Also Published As

Publication number Publication date
NL7313697A (en) 1974-04-09
FR2213538A1 (en) 1974-08-02
CA1038964A (en) 1978-09-19
IT996789B (en) 1975-12-10
CH578213A5 (en) 1976-07-30
GB1405048A (en) 1975-09-03
SE396662B (en) 1977-09-26
AU6117273A (en) 1975-04-10
DE2350176A1 (en) 1974-04-18
DE2350176B2 (en) 1976-04-08
NL175373B (en) 1984-05-16
FR2213538B1 (en) 1983-11-04

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Legal Events

Date Code Title Description
BC A request for examination has been filed
V4 Lapsed because of reaching the maxim lifetime of a patent