NL159837B - Contactloze signaalinrichting. - Google Patents

Contactloze signaalinrichting.

Info

Publication number
NL159837B
NL159837B NL7117891.A NL7117891A NL159837B NL 159837 B NL159837 B NL 159837B NL 7117891 A NL7117891 A NL 7117891A NL 159837 B NL159837 B NL 159837B
Authority
NL
Netherlands
Prior art keywords
signaling device
contact signaling
contact
signaling
Prior art date
Application number
NL7117891.A
Other languages
English (en)
Dutch (nl)
Other versions
NL7117891A (Direct
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
Publication of NL7117891A publication Critical patent/NL7117891A/xx
Publication of NL159837B publication Critical patent/NL159837B/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Push-Button Switches (AREA)
  • Electronic Switches (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Organic Insulating Materials (AREA)
NL7117891.A 1970-12-28 1971-12-27 Contactloze signaalinrichting. NL159837B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10153670A 1970-12-28 1970-12-28

Publications (2)

Publication Number Publication Date
NL7117891A NL7117891A (Direct) 1972-06-30
NL159837B true NL159837B (nl) 1979-03-15

Family

ID=22285159

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7117891.A NL159837B (nl) 1970-12-28 1971-12-27 Contactloze signaalinrichting.

Country Status (11)

Country Link
US (1) US3668417A (Direct)
JP (1) JPS5436311B1 (Direct)
BE (1) BE777202A (Direct)
CA (1) CA1009764A (Direct)
DE (1) DE2164202C3 (Direct)
ES (1) ES398773A1 (Direct)
FR (1) FR2120902A5 (Direct)
GB (1) GB1380709A (Direct)
IT (1) IT943354B (Direct)
NL (1) NL159837B (Direct)
SE (1) SE377974B (Direct)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751612A (en) * 1971-08-30 1973-08-07 Colorado Instr Inc Snap action capacitive type switch
US3786495A (en) * 1972-05-17 1974-01-15 Ncr Stored charge transducer
US4336529A (en) * 1980-02-19 1982-06-22 Pitney Bowes Inc. Postage meter having shielded keyboard to protect against electromagnetic radiation
US4561002A (en) * 1982-08-30 1985-12-24 General Electric Company Capacitive touch switch arrangement
US4593191A (en) * 1982-12-29 1986-06-03 At&T Bell Laboratories Pressure and optical sensitive device with deformable protrusions
US4456800A (en) * 1983-05-25 1984-06-26 Allen-Bradley Company Planar contact array switch having improved ground path for dissipating electrostatic discharges
DE8900946U1 (de) * 1988-09-30 1990-02-08 Siemens AG, 1000 Berlin und 8000 München Kapazitive Schaltungskarte
US5835027A (en) * 1996-11-07 1998-11-10 Tyburski; Robert M. Residual charge effect traffic sensor
US6771785B2 (en) * 2001-10-09 2004-08-03 Frank Joseph Pompei Ultrasonic transducer for parametric array
DE102004005954A1 (de) * 2004-02-02 2005-08-18 E.G.O. Elektro-Gerätebau GmbH Bedieneinrichtung für ein Elektrogerät mit einem Bedien-Feld und einem Sensorelement darunter sowie Verfahren zum Betrieb der Bedieneinrichtung
FI117455B (fi) * 2004-07-07 2006-10-13 Emfit Oy Elektromekaanisen kontrolliyksikön sähköinen kytkentä
GB201312879D0 (en) * 2013-07-18 2013-09-04 Nokia Corp Apparatuses, methods and computer programs for expanding the use of touch-sensitive input apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA822821A (en) * 1969-09-09 W. Reedyk Cornelis Directional electret transducer
US2610245A (en) * 1946-02-18 1952-09-09 Robert H Rines Electret array sensitive to radio waves
US3118022A (en) * 1961-08-07 1964-01-14 Bell Telephone Labor Inc Electroacoustic transducer
US3290439A (en) * 1963-04-29 1966-12-06 Willcox Data encoding keyboard
US3308253A (en) * 1965-03-25 1967-03-07 Ibm Diaphragm switch having a diaphragm supported on an incompressible layer and an elastomer overlaying the diaphragm
US3503031A (en) * 1969-02-11 1970-03-24 Control Data Corp Printed circuit keyboard

Also Published As

Publication number Publication date
FR2120902A5 (Direct) 1972-08-18
ES398773A1 (es) 1974-08-16
JPS4713585A (Direct) 1972-07-13
SE377974B (Direct) 1975-08-04
GB1380709A (en) 1975-01-15
NL7117891A (Direct) 1972-06-30
JPS5436311B1 (Direct) 1979-11-08
DE2164202A1 (de) 1972-07-13
IT943354B (it) 1973-04-02
US3668417A (en) 1972-06-06
BE777202A (fr) 1972-04-17
DE2164202B2 (de) 1973-10-18
CA1009764A (en) 1977-05-03
DE2164202C3 (de) 1974-05-09

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: WEST ELECTRIC

V4 Discontinued because of reaching the maximum lifetime of a patent