GB1405048A - Calculator construction and method for making calculator - Google Patents

Calculator construction and method for making calculator

Info

Publication number
GB1405048A
GB1405048A GB4671273A GB4671273A GB1405048A GB 1405048 A GB1405048 A GB 1405048A GB 4671273 A GB4671273 A GB 4671273A GB 4671273 A GB4671273 A GB 4671273A GB 1405048 A GB1405048 A GB 1405048A
Authority
GB
United Kingdom
Prior art keywords
substrate
electrodes
keyboard
calculator
display
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
GB4671273A
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Corp filed Critical Sharp Corp
Publication of GB1405048A publication Critical patent/GB1405048A/en
Expired legal-status Critical Current

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 OR CALCULATING; 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)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Calculators And Similar Devices (AREA)
  • Input From Keyboards Or The Like (AREA)
GB4671273A 1972-10-06 1973-10-05 Calculator construction and method for making calculator Expired GB1405048A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
GB1405048A true GB1405048A (en) 1975-09-03

Family

ID=26387092

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4671273A Expired GB1405048A (en) 1972-10-06 1973-10-05 Calculator construction and method for making calculator

Country Status (7)

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

Cited By (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
FR2547939A1 (fr) * 1983-06-13 1984-12-28 Hitachi Ltd Panneau de temoins d'affichage electronique, monte dans un vehicule
GB2191446A (en) * 1986-06-11 1987-12-16 Hewlett Packard Co Stabilized molded rubber keyboards
GB2322008A (en) * 1997-02-10 1998-08-12 Nokia Mobile Phones Ltd Switch

Cited By (6)

* 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
FR2547939A1 (fr) * 1983-06-13 1984-12-28 Hitachi Ltd Panneau de temoins d'affichage electronique, monte dans un vehicule
GB2142460A (en) * 1983-06-13 1985-01-16 Hitachi Ltd Vehicle-mounted electronic display gauge board
GB2191446A (en) * 1986-06-11 1987-12-16 Hewlett Packard Co Stabilized molded rubber keyboards
GB2191446B (en) * 1986-06-11 1990-10-03 Hewlett Packard Co Stabilized molded rubber keyboards.
GB2322008A (en) * 1997-02-10 1998-08-12 Nokia Mobile Phones Ltd Switch

Also Published As

Publication number Publication date
SE396662B (sv) 1977-09-26
FR2213538A1 (enrdf_load_stackoverflow) 1974-08-02
NL7313697A (enrdf_load_stackoverflow) 1974-04-09
CH578213A5 (enrdf_load_stackoverflow) 1976-07-30
AU6117273A (en) 1975-04-10
NL175373B (nl) 1984-05-16
NL175373C (nl) 1984-10-16
CA1038964A (en) 1978-09-19
DE2350176A1 (de) 1974-04-18
IT996789B (it) 1975-12-10
DE2350176B2 (de) 1976-04-08
FR2213538B1 (enrdf_load_stackoverflow) 1983-11-04

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19931004