FR1517892A - Devices for transforming a variation in impedance into an electrical signal and installations comprising such devices - Google Patents

Devices for transforming a variation in impedance into an electrical signal and installations comprising such devices

Info

Publication number
FR1517892A
FR1517892A FR93291A FR93291A FR1517892A FR 1517892 A FR1517892 A FR 1517892A FR 93291 A FR93291 A FR 93291A FR 93291 A FR93291 A FR 93291A FR 1517892 A FR1517892 A FR 1517892A
Authority
FR
France
Prior art keywords
devices
installations
transforming
impedance
variation
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
FR93291A
Other languages
French (fr)
Inventor
Marcel Hoste
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.)
Arnould S A Ets
Original Assignee
Arnould S A Ets
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 Arnould S A Ets filed Critical Arnould S A Ets
Priority to FR93291A priority Critical patent/FR1517892A/en
Priority to US3629665D priority patent/US3629665A/en
Application granted granted Critical
Publication of FR1517892A publication Critical patent/FR1517892A/en
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
    • H03K17/96—Touch switches
    • H03K17/9645—Resistive touch switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/37—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of gas-filled tubes, e.g. astable trigger circuits
    • 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
    • H03K17/96—Touch switches
    • H03K2017/9602—Touch switches characterised by the type or shape of the sensing electrodes
FR93291A 1967-02-01 1967-02-01 Devices for transforming a variation in impedance into an electrical signal and installations comprising such devices Expired FR1517892A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR93291A FR1517892A (en) 1967-02-01 1967-02-01 Devices for transforming a variation in impedance into an electrical signal and installations comprising such devices
US3629665D US3629665A (en) 1967-02-01 1968-01-31 Touch-responsive oscillator-controlled circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR93291A FR1517892A (en) 1967-02-01 1967-02-01 Devices for transforming a variation in impedance into an electrical signal and installations comprising such devices

Publications (1)

Publication Number Publication Date
FR1517892A true FR1517892A (en) 1968-03-22

Family

ID=8624671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR93291A Expired FR1517892A (en) 1967-02-01 1967-02-01 Devices for transforming a variation in impedance into an electrical signal and installations comprising such devices

Country Status (2)

Country Link
US (1) US3629665A (en)
FR (1) FR1517892A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766404A (en) * 1971-11-16 1973-10-16 Magic Dot Inc Composite d.c. amplifier for use with a touch sensitive electronic switch
US3879618A (en) * 1971-11-16 1975-04-22 Magic Dot Inc Touch sensitive electronic switch
US4037200A (en) * 1974-10-16 1977-07-19 Cranmer Terrence V Braille display switching matrix and circuit utilizing the same
JPS5193963U (en) * 1975-01-25 1976-07-28
ZA812723B (en) * 1980-06-02 1982-05-26 Jet Spray Corp Timer with touch control
US9639225B2 (en) 2015-09-18 2017-05-02 Motorola Solutions, Inc. Method and apparatus for detecting a touch on a device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3333160A (en) * 1964-02-24 1967-07-25 Water Economy And Res Company Proximity responsive system
US3199033A (en) * 1964-08-10 1965-08-03 Tung Sol Electric Inc Condition responsive circuits with plural output of relaxation oscillator balanced
US3339578A (en) * 1966-07-29 1967-09-05 Maytag Co Level sensing means for electrically conductive materials
US3434628A (en) * 1967-01-23 1969-03-25 Bernard A Ceraldi Automatic soap dispenser

Also Published As

Publication number Publication date
US3629665A (en) 1971-12-21

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