BE794109A - Selecteur a touches a electret a unites multiples - Google Patents

Selecteur a touches a electret a unites multiples

Info

Publication number
BE794109A
BE794109A BE794109DA BE794109A BE 794109 A BE794109 A BE 794109A BE 794109D A BE794109D A BE 794109DA BE 794109 A BE794109 A BE 794109A
Authority
BE
Belgium
Prior art keywords
electret
unit
button selector
selector
button
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
G M Sessler
J E West
A E Hirsch
Original Assignee
Western Electric Co
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.)
Publication date
Publication of BE794109A publication Critical patent/BE794109A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
    • H03K17/98—Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/43—Electric condenser making
    • Y10T29/435—Solid dielectric type

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Telephone Set Structure (AREA)
  • Push-Button Switches (AREA)
BE794109D 1972-01-18 Selecteur a touches a electret a unites multiples BE794109A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21872672A 1972-01-18 1972-01-18

Publications (1)

Publication Number Publication Date
BE794109A true BE794109A (fr) 1973-05-16

Family

ID=22816258

Family Applications (1)

Application Number Title Priority Date Filing Date
BE794109D BE794109A (fr) 1972-01-18 Selecteur a touches a electret a unites multiples

Country Status (12)

Country Link
US (1) US3750149A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5235568B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE794109A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA929673A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH552276A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2301451C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES410982A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2180646B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1414691A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT977604B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7300680A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE376495B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529967A (en) * 1982-07-15 1985-07-16 Gifft Thomas H Non contacting inductive keyboard
US4561002A (en) * 1982-08-30 1985-12-24 General Electric Company Capacitive touch switch arrangement
DE3236098A1 (de) * 1982-09-29 1984-03-29 Siemens AG, 1000 Berlin und 8000 München Druckwandleranordnung, insbesondere fuer industrieroboter
US4736076A (en) * 1986-03-27 1988-04-05 Brother Kogyo Kabushiki Kaisha Capacitance switching device for keyboard
US5835027A (en) * 1996-11-07 1998-11-10 Tyburski; Robert M. Residual charge effect traffic sensor
US20060097992A1 (en) * 2004-10-25 2006-05-11 Motorola, Inc. Apparatus and method of determining a user selection in a user interface
CN100511532C (zh) * 2005-04-13 2009-07-08 摩托罗拉公司 电容器组合与包括该电容器组合的通信设备
US9152287B2 (en) 2010-08-05 2015-10-06 Analog Devices, Inc. System and method for dual-touch gesture classification in resistive touch screens
US20130027343A1 (en) 2011-07-29 2013-01-31 Analog Devices, Inc. Position determination techniques in resistive touch screen applications
US10990236B2 (en) 2019-02-07 2021-04-27 1004335 Ontario Inc. Methods for two-touch detection with resistive touch sensor and related apparatuses and systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653038A (en) * 1970-02-20 1972-03-28 United Bank Of Denver National Capacitive electric signal device and keyboard using said device
US3668698A (en) * 1970-12-17 1972-06-06 Northern Electric Co Capacitive transducer

Also Published As

Publication number Publication date
IT977604B (it) 1974-09-20
GB1414691A (en) 1975-11-19
FR2180646B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-09-02
FR2180646A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-11-30
DE2301451B2 (de) 1975-03-06
CA929673A (en) 1973-07-03
NL7300680A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-07-20
ES410982A1 (es) 1975-12-01
US3750149A (en) 1973-07-31
DE2301451C3 (de) 1975-10-23
CH552276A (de) 1974-07-31
DE2301451A1 (de) 1973-08-02
SE376495B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-05-26
JPS4883734A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-11-08
JPS5235568B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-09-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19860131