IT996789B - ELECTRONIC CALCULATOR AND PROCEDURE FOR ITS MANUFACTURING - Google Patents

ELECTRONIC CALCULATOR AND PROCEDURE FOR ITS MANUFACTURING

Info

Publication number
IT996789B
IT996789B IT6995473A IT6995473A IT996789B IT 996789 B IT996789 B IT 996789B IT 6995473 A IT6995473 A IT 6995473A IT 6995473 A IT6995473 A IT 6995473A IT 996789 B IT996789 B IT 996789B
Authority
IT
Italy
Prior art keywords
procedure
manufacturing
electronic calculator
calculator
electronic
Prior art date
Application number
IT6995473A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT996789B publication Critical patent/IT996789B/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 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)
  • 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)
IT6995473A 1972-10-06 1973-10-08 ELECTRONIC CALCULATOR AND PROCEDURE FOR ITS MANUFACTURING IT996789B (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 (1)

Publication Number Publication Date
IT996789B true IT996789B (en) 1975-12-10

Family

ID=26387092

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6995473A IT996789B (en) 1972-10-06 1973-10-08 ELECTRONIC CALCULATOR AND PROCEDURE FOR ITS MANUFACTURING

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 Automotive electronic display instrument panel
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
CA1038964A (en) 1978-09-19
GB1405048A (en) 1975-09-03
DE2350176B2 (en) 1976-04-08
FR2213538B1 (en) 1983-11-04
FR2213538A1 (en) 1974-08-02
AU6117273A (en) 1975-04-10
DE2350176A1 (en) 1974-04-18
NL7313697A (en) 1974-04-09
NL175373B (en) 1984-05-16
CH578213A5 (en) 1976-07-30
NL175373C (en) 1984-10-16
SE396662B (en) 1977-09-26

Similar Documents

Publication Publication Date Title
IT980547B (en) TRANSISTOR REPOLARE AND PROCEDURE FOR ITS MANUFACTURING
IT988889B (en) CHRONOMETRIC CALCULATOR
SE392524B (en) ELECTRONIC THERMOMETER
DK563777A (en) DOUBLE WAVE LENGTH PHOTOMETER
IT991972B (en) IMPROVEMENT IN ELECTRONIC WATCHES
AR201550A1 (en) MUNECA AND SIMILAR
IT976957B (en) ELECTRONIC TAXAMETER
SE397713B (en) SCREW
IT1001014B (en) FLAT KEY AND PROCEDURE FOR ITS MANUFACTURING
IT977791B (en) CONVECTOR AND PROCEDURE FOR ITS MANUFACTURING
AT319718B (en) Capos
IT989027B (en) ELECTRIC CONDENSER AND PROCEDURE FOR ITS MANUFACTURING
IT1000635B (en) SEMICONDUCTIVE DEVICE AND PROCE DIMENTO FOR ITS MANUFACTURING
IT981464B (en) MICROBIAL PROTEASIS AND ITS PREPARATION
AT334661B (en) ELECTRONIC CALCULATOR
DK145071C (en) Cascade SKAKTKOELER
TR17380A (en) UERUEN AND PROCEDURE
IT990633B (en) SADDLE PANEL AND PROCEDURE FOR ITS MANUFACTURING
IT996789B (en) ELECTRONIC CALCULATOR AND PROCEDURE FOR ITS MANUFACTURING
IT993154B (en) ELECTRONIC WATCH
BE801668A (en) AMINO-IMIDAZO-ISOQUINOLEINS AND AMINO-PYRAZOLO-ISOQUINOLEINES
BR7302648D0 (en) RECORDER AND REPRODUCTOR
AT323706B (en) NOTICE REGISTER
IT967062B (en) LAMINATE AND METHOD FOR ITS MANUFACTURING
IT1003274B (en) PHYSICAL PHYSICAL DEVELOPER STABILIZED AND PROCEDURE FOR ITS APPLICATION