RU94030021A - Capacitance-detector device - Google Patents

Capacitance-detector device

Info

Publication number
RU94030021A
RU94030021A RU94030021/09A RU94030021A RU94030021A RU 94030021 A RU94030021 A RU 94030021A RU 94030021/09 A RU94030021/09 A RU 94030021/09A RU 94030021 A RU94030021 A RU 94030021A RU 94030021 A RU94030021 A RU 94030021A
Authority
RU
Russia
Prior art keywords
devices
phase
capacitance
outputs
adder
Prior art date
Application number
RU94030021/09A
Other languages
Russian (ru)
Other versions
RU2126173C1 (en
Inventor
Н.С. Фролов
В.В. Сухомлинов
Original Assignee
Научное производственно-коммерческое товарищество "Фортуна"
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 Научное производственно-коммерческое товарищество "Фортуна" filed Critical Научное производственно-коммерческое товарищество "Фортуна"
Priority to RU94030021A priority Critical patent/RU2126173C1/en
Publication of RU94030021A publication Critical patent/RU94030021A/en
Application granted granted Critical
Publication of RU2126173C1 publication Critical patent/RU2126173C1/en

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Landscapes

  • Burglar Alarm Systems (AREA)
  • Fire Alarms (AREA)

Abstract

FIELD: instruments, in particular, security and fire emergency devices, devices which measure linear size. SUBSTANCE: device has reference voltage generator which outputs rectangular pulses which on-off rate is equal to 2 and which has two opposite-phase outputs, capacitance detector, second capacitance detector or tuned capacitor, adder and recording unit, which has linear amplifier and phase-sensitive detector. EFFECT: increased efficiency, increased precision.

Claims (1)

Предлагаемое изобретение относится к контрольно-измерительной технике и может быть использованно в устройствах охранной и противопожарной сигнализации, а также в устройствах для измерения линейных размеров с емкостными датчиками. Целью изобретений является повышение экономичности и точности работы. Устройство содержит генератор опорного напряжения прямоугольных импульсов скважности, имеющий два противофазных выхода, емкостной датчик, второй емкостной датчик или подстроечный конденсатор, сумматор и блок регистрации, который может содержать линейный усилитель и фазочувствительный детектор.The present invention relates to instrumentation and can be used in devices for security and fire alarms, as well as in devices for measuring linear dimensions with capacitive sensors. The aim of the invention is to increase efficiency and accuracy. The device comprises a reference voltage generator of rectangular duty cycle pulses, having two antiphase outputs, a capacitive sensor, a second capacitive sensor or tuning capacitor, an adder and a recording unit, which may include a linear amplifier and a phase-sensitive detector.
RU94030021A 1994-08-09 1994-08-09 Device with capacitance gauge RU2126173C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94030021A RU2126173C1 (en) 1994-08-09 1994-08-09 Device with capacitance gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94030021A RU2126173C1 (en) 1994-08-09 1994-08-09 Device with capacitance gauge

Publications (2)

Publication Number Publication Date
RU94030021A true RU94030021A (en) 1997-04-27
RU2126173C1 RU2126173C1 (en) 1999-02-10

Family

ID=20159617

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94030021A RU2126173C1 (en) 1994-08-09 1994-08-09 Device with capacitance gauge

Country Status (1)

Country Link
RU (1) RU2126173C1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010533288A (en) * 2007-07-11 2010-10-21 マリミルス オーワイ Method and apparatus for detecting the volume of an object
RU2491646C1 (en) * 2012-05-03 2013-08-27 Владимир Иванович Яцков Lilana-viya telemechanic system and alarm barrier with annunciator named after vi yatskov
RU2688734C1 (en) * 2018-04-06 2019-05-22 Общество с ограниченной ответственностью "СБ "Марит" (ООО "СБ "Марит") Capacitive detection means

Also Published As

Publication number Publication date
RU2126173C1 (en) 1999-02-10

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