DE2301451C3 - Berührungsempfindliches Signalgabebauelement - Google Patents

Berührungsempfindliches Signalgabebauelement

Info

Publication number
DE2301451C3
DE2301451C3 DE2301451A DE2301451A DE2301451C3 DE 2301451 C3 DE2301451 C3 DE 2301451C3 DE 2301451 A DE2301451 A DE 2301451A DE 2301451 A DE2301451 A DE 2301451A DE 2301451 C3 DE2301451 C3 DE 2301451C3
Authority
DE
Germany
Prior art keywords
electret
contact
film
signal
foil
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
DE2301451A
Other languages
German (de)
English (en)
Other versions
DE2301451B2 (de
DE2301451A1 (de
Inventor
Alfred E. Summit Hirsch Jun.
Gerhard Martin Summit Sessler
James Edward Plainfield West
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of DE2301451A1 publication Critical patent/DE2301451A1/de
Publication of DE2301451B2 publication Critical patent/DE2301451B2/de
Application granted granted Critical
Publication of DE2301451C3 publication Critical patent/DE2301451C3/de
Expired legal-status Critical Current

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)
  • Push-Button Switches (AREA)
  • Telephone Set Structure (AREA)
DE2301451A 1972-01-18 1973-01-12 Berührungsempfindliches Signalgabebauelement Expired DE2301451C3 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2301451A1 DE2301451A1 (de) 1973-08-02
DE2301451B2 DE2301451B2 (de) 1975-03-06
DE2301451C3 true DE2301451C3 (de) 1975-10-23

Family

ID=22816258

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2301451A Expired DE2301451C3 (de) 1972-01-18 1973-01-12 Berührungsempfindliches Signalgabebauelement

Country Status (12)

Country Link
US (1) US3750149A (en:Method)
JP (1) JPS5235568B2 (en:Method)
BE (1) BE794109A (en:Method)
CA (1) CA929673A (en:Method)
CH (1) CH552276A (en:Method)
DE (1) DE2301451C3 (en:Method)
ES (1) ES410982A1 (en:Method)
FR (1) FR2180646B1 (en:Method)
GB (1) GB1414691A (en:Method)
IT (1) IT977604B (en:Method)
NL (1) NL7300680A (en:Method)
SE (1) SE376495B (en:Method)

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
US20130027343A1 (en) 2011-07-29 2013-01-31 Analog Devices, Inc. Position determination techniques in resistive touch screen applications
US9152287B2 (en) 2010-08-05 2015-10-06 Analog Devices, Inc. System and method for dual-touch gesture classification in resistive touch screens
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
BE794109A (fr) 1973-05-16
CA929673A (en) 1973-07-03
DE2301451B2 (de) 1975-03-06
NL7300680A (en:Method) 1973-07-20
JPS5235568B2 (en:Method) 1977-09-09
JPS4883734A (en:Method) 1973-11-08
DE2301451A1 (de) 1973-08-02
IT977604B (it) 1974-09-20
SE376495B (en:Method) 1975-05-26
US3750149A (en) 1973-07-31
CH552276A (de) 1974-07-31
ES410982A1 (es) 1975-12-01
FR2180646A1 (en:Method) 1973-11-30
FR2180646B1 (en:Method) 1977-09-02
GB1414691A (en) 1975-11-19

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee