FR2500714B1 - Clavier a commutateurs capacitifs a touches - Google Patents

Clavier a commutateurs capacitifs a touches

Info

Publication number
FR2500714B1
FR2500714B1 FR8201162A FR8201162A FR2500714B1 FR 2500714 B1 FR2500714 B1 FR 2500714B1 FR 8201162 A FR8201162 A FR 8201162A FR 8201162 A FR8201162 A FR 8201162A FR 2500714 B1 FR2500714 B1 FR 2500714B1
Authority
FR
France
Prior art keywords
keyboard
key switches
capacitive key
capacitive
switches
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
FR8201162A
Other languages
English (en)
Other versions
FR2500714A1 (fr
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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 Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of FR2500714A1 publication Critical patent/FR2500714A1/fr
Application granted granted Critical
Publication of FR2500714B1 publication Critical patent/FR2500714B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/01—Details
    • H01G5/013—Dielectrics
    • H01G5/0134—Solid dielectrics
    • H01G5/0136—Solid dielectrics with movable electrodes
    • 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
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/162—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed capacitors
    • 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
    • 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
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0237—High frequency adaptations
    • H05K1/0239—Signal transmission by AC coupling
    • 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
    • H05K1/02—Details
    • H05K1/0286—Programmable, customizable or modifiable circuits
    • 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
    • H05K1/02—Details
    • H05K1/09—Use of materials for the conductive, e.g. metallic pattern
    • H05K1/092—Dispersed materials, e.g. conductive pastes or inks
    • H05K1/095—Dispersed materials, e.g. conductive pastes or inks for polymer thick films, i.e. having a permanent organic polymeric binder
    • 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10053—Switch
    • 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10196—Variable component, e.g. variable resistor
    • 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
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3452—Solder masks

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Push-Button Switches (AREA)
  • Electronic Switches (AREA)
  • Manufacture Of Switches (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
FR8201162A 1981-02-25 1982-01-26 Clavier a commutateurs capacitifs a touches Expired FR2500714B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23825481A 1981-02-25 1981-02-25

Publications (2)

Publication Number Publication Date
FR2500714A1 FR2500714A1 (fr) 1982-08-27
FR2500714B1 true FR2500714B1 (fr) 1985-08-23

Family

ID=22897118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8201162A Expired FR2500714B1 (fr) 1981-02-25 1982-01-26 Clavier a commutateurs capacitifs a touches

Country Status (10)

Country Link
JP (1) JPS57154721A (fr)
BR (1) BR8200678A (fr)
DE (1) DE3205936A1 (fr)
DK (1) DK83082A (fr)
FI (1) FI820630L (fr)
FR (1) FR2500714B1 (fr)
GB (1) GB2093634B (fr)
IT (1) IT1153461B (fr)
NO (1) NO820582L (fr)
SE (1) SE8201140L (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778817A (en) * 1972-08-02 1973-12-11 Xerox Corp Output keyboard apparatus and signal translating methods therefor
US3921167A (en) * 1974-06-14 1975-11-18 Ibm Capacitive circuitboard
US4049844A (en) * 1974-09-27 1977-09-20 General Electric Company Method for making a circuit board and article made thereby
US4090229A (en) * 1976-09-30 1978-05-16 Becton, Dickinson Electronics Company Capacitive key for keyboard
GB1584345A (en) * 1977-05-11 1981-02-11 Alphameric Keyboards Ltd Keyboards
DE3000940C2 (de) * 1979-01-12 1984-02-02 Kollmorgen Technologies Corp., 75201 Dallas, Tex. Abmischung für im Siebdruck aufzubringende Abdeckmasken und Schichtbildner

Also Published As

Publication number Publication date
NO820582L (no) 1982-08-26
JPS57154721A (en) 1982-09-24
IT1153461B (it) 1987-01-14
IT8219775A0 (it) 1982-02-19
DK83082A (da) 1982-08-26
BR8200678A (pt) 1982-12-14
FI820630L (fi) 1982-08-26
GB2093634B (en) 1985-01-09
SE8201140L (sv) 1982-08-26
GB2093634A (en) 1982-09-02
DE3205936A1 (de) 1982-10-07
FR2500714A1 (fr) 1982-08-27

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Legal Events

Date Code Title Description
ST Notification of lapse