DE4039566C2 - - Google Patents

Info

Publication number
DE4039566C2
DE4039566C2 DE19904039566 DE4039566A DE4039566C2 DE 4039566 C2 DE4039566 C2 DE 4039566C2 DE 19904039566 DE19904039566 DE 19904039566 DE 4039566 A DE4039566 A DE 4039566A DE 4039566 C2 DE4039566 C2 DE 4039566C2
Authority
DE
Germany
Prior art keywords
switch
resistor
comparator
gate
input
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 - Fee Related
Application number
DE19904039566
Other languages
German (de)
English (en)
Other versions
DE4039566A1 (de
Inventor
Robin C. Allentown Pa. Us Moseley
Jonathan A. Ann Arbor Mich. Us Barney
Arjuna Union City Calif. Us Karunaratne
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.)
Lutron Electronics Co Inc
Original Assignee
Lutron Electronics 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
Priority claimed from US07/388,185 external-priority patent/US5144278A/en
Application filed by Lutron Electronics Co Inc filed Critical Lutron Electronics Co Inc
Priority to DE19904039566 priority Critical patent/DE4039566A1/de
Publication of DE4039566A1 publication Critical patent/DE4039566A1/de
Application granted granted Critical
Publication of DE4039566C2 publication Critical patent/DE4039566C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/50—Adjustable resistors structurally combined with switching arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/0213—Combined operation of electric switch and variable impedance, e.g. resistor, capacitor

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Keying Circuit Devices (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
DE19904039566 1989-08-01 1990-07-31 Schaltung zum feststellen einer zustandsaenderung eines schalters Granted DE4039566A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19904039566 DE4039566A1 (de) 1989-08-01 1990-07-31 Schaltung zum feststellen einer zustandsaenderung eines schalters

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/388,185 US5144278A (en) 1989-08-01 1989-08-01 Variable impedance device and circuit for sensing adjustment thereof
DE19904039566 DE4039566A1 (de) 1989-08-01 1990-07-31 Schaltung zum feststellen einer zustandsaenderung eines schalters

Publications (2)

Publication Number Publication Date
DE4039566A1 DE4039566A1 (de) 1991-05-16
DE4039566C2 true DE4039566C2 (enrdf_load_stackoverflow) 1993-09-16

Family

ID=25899221

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904039566 Granted DE4039566A1 (de) 1989-08-01 1990-07-31 Schaltung zum feststellen einer zustandsaenderung eines schalters

Country Status (1)

Country Link
DE (1) DE4039566A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116721825B (zh) * 2023-07-21 2025-08-22 天津宜科自动化股份有限公司 一种电阻调节系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5818765B2 (ja) * 1978-03-30 1983-04-14 アルプス電気株式会社 可変インピ−ダンス装置
DE2827305A1 (de) * 1978-06-21 1980-01-10 Siemens Ag Rueckmeldeeinrichtung fuer die stellung eines schaltgeraetes
DE3301428A1 (de) * 1982-02-09 1983-09-01 Ronald Dr. 5060 Bergisch-Gladbach Kreutz Verfahren und vorrichtung zur rueckmeldung an tasten
US4689547A (en) * 1986-04-29 1987-08-25 Lutron Electronics Co., Inc. Multiple location dimming system
DE3644198C1 (de) * 1986-12-23 1988-08-04 Bosch Gmbh Robert Vorrichtung zur Abfrage des Schaltzustandes eines in zwei Schaltstellungen umschaltbaren Umschalters
US4797599A (en) * 1987-04-21 1989-01-10 Lutron Electronics Co., Inc. Power control circuit with phase controlled signal input

Also Published As

Publication number Publication date
DE4039566A1 (de) 1991-05-16

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