IT977604B - Selettore a tasti per dispositivo di segnalazione ad unita multiple - Google Patents

Selettore a tasti per dispositivo di segnalazione ad unita multiple

Info

Publication number
IT977604B
IT977604B IT67049/73A IT6704973A IT977604B IT 977604 B IT977604 B IT 977604B IT 67049/73 A IT67049/73 A IT 67049/73A IT 6704973 A IT6704973 A IT 6704973A IT 977604 B IT977604 B IT 977604B
Authority
IT
Italy
Prior art keywords
signaling device
multiple unit
key selector
unit signaling
selector
Prior art date
Application number
IT67049/73A
Other languages
English (en)
Italian (it)
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.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT977604B publication Critical patent/IT977604B/it

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)
IT67049/73A 1972-01-18 1973-01-15 Selettore a tasti per dispositivo di segnalazione ad unita multiple IT977604B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT977604B true IT977604B (it) 1974-09-20

Family

ID=22816258

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67049/73A IT977604B (it) 1972-01-18 1973-01-15 Selettore a tasti per dispositivo di segnalazione ad unita multiple

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
GB1414691A (en) 1975-11-19
BE794109A (fr) 1973-05-16
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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