SE377974B - - Google Patents

Info

Publication number
SE377974B
SE377974B SE7116230A SE1623071A SE377974B SE 377974 B SE377974 B SE 377974B SE 7116230 A SE7116230 A SE 7116230A SE 1623071 A SE1623071 A SE 1623071A SE 377974 B SE377974 B SE 377974B
Authority
SE
Sweden
Application number
SE7116230A
Inventor
G M Sessler
Jr R L Wallace
J E West
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 SE377974B publication Critical patent/SE377974B/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/23Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G7/00Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G7/00Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/025Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965Switches controlled by moving an element forming part of the switch
    • H03K17/975Switches controlled by moving an element forming part of the switch using a capacitive movable element
    • H03K17/98Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard
SE7116230A 1970-12-28 1971-12-17 SE377974B (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE377974B true SE377974B (xx) 1975-08-04

Family

ID=22285159

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7116230A SE377974B (xx) 1970-12-28 1971-12-17

Country Status (11)

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

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 (xx) * 1988-09-30 1990-02-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US5835027A (en) * 1996-11-07 1998-11-10 Tyburski; Robert M. Residual charge effect traffic sensor
JP4588321B2 (ja) * 2001-10-09 2010-12-01 ポンペイ,フランク,ジョセフ パラメトリックアレイのための超音波トランスデューサ
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 (xx) 1972-08-18
BE777202A (fr) 1972-04-17
JPS5436311B1 (xx) 1979-11-08
NL159837B (nl) 1979-03-15
CA1009764A (en) 1977-05-03
ES398773A1 (es) 1974-08-16
US3668417A (en) 1972-06-06
DE2164202C3 (de) 1974-05-09
DE2164202B2 (de) 1973-10-18
JPS4713585A (xx) 1972-07-13
GB1380709A (en) 1975-01-15
DE2164202A1 (de) 1972-07-13
NL7117891A (xx) 1972-06-30
IT943354B (it) 1973-04-02

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