RU99123136A - COMMUNICATION DEVICE - Google Patents

COMMUNICATION DEVICE

Info

Publication number
RU99123136A
RU99123136A RU99123136/28A RU99123136A RU99123136A RU 99123136 A RU99123136 A RU 99123136A RU 99123136/28 A RU99123136/28 A RU 99123136/28A RU 99123136 A RU99123136 A RU 99123136A RU 99123136 A RU99123136 A RU 99123136A
Authority
RU
Russia
Prior art keywords
input
voltage
detector
series
frequency converter
Prior art date
Application number
RU99123136/28A
Other languages
Russian (ru)
Other versions
RU2180447C2 (en
Inventor
Валерий Дмитриевич Харламов
Игорь Аронович Креймер
Original Assignee
Игорь Аронович Креймер
Filing date
Publication date
Application filed by Игорь Аронович Креймер filed Critical Игорь Аронович Креймер
Priority to RU99123136A priority Critical patent/RU2180447C2/en
Priority claimed from RU99123136A external-priority patent/RU2180447C2/en
Publication of RU99123136A publication Critical patent/RU99123136A/en
Application granted granted Critical
Publication of RU2180447C2 publication Critical patent/RU2180447C2/en

Links

Claims (1)

Устройство для определения коммуникаций, содержащее пару индукционных датчиков включенных к входу операционного усилителя по дифференциальной схеме, усилитель напряжения, детектор, УНЧ, преобразователь электрических сигналов в акустические, соединенные последовательно, отличающееся тем, что задача снижения погрешности поиска электропроводящих объектов или трасс коммуникаций решается дополнительным включением балансировочных резисторов и преобразователя аналог-частота, причем выходы дифференциальных датчиков подключены через балансировочные резисторы к инвертирующему входу операционного усилителя, выход которого через последовательно включенные усилитель напряжения, детектор и УНЧ, подключен к входу преобразователя напряжение-частота, выход которого нагружен на электроакустический преобразователь.A device for determining communications, containing a pair of induction sensors connected to the input of the operational amplifier in a differential circuit, a voltage amplifier, detector, ULF, a converter of electrical signals into acoustic signals connected in series, characterized in that the task of reducing the error in the search for electrically conductive objects or communication paths is solved by additional inclusion balancing resistors and an analog-frequency converter, and the outputs of the differential sensors are connected through b lansirovochnye resistors to the inverting input of the operational amplifier, whose output is series connected through a voltage amplifier, a detector and VLF is connected to the input of the voltage-frequency converter, the output of which is loaded by the electroacoustic transducer.
RU99123136A 1999-11-02 1999-11-02 Device determining service lines RU2180447C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU99123136A RU2180447C2 (en) 1999-11-02 1999-11-02 Device determining service lines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU99123136A RU2180447C2 (en) 1999-11-02 1999-11-02 Device determining service lines

Publications (2)

Publication Number Publication Date
RU99123136A true RU99123136A (en) 2001-09-10
RU2180447C2 RU2180447C2 (en) 2002-03-10

Family

ID=20226541

Family Applications (1)

Application Number Title Priority Date Filing Date
RU99123136A RU2180447C2 (en) 1999-11-02 1999-11-02 Device determining service lines

Country Status (1)

Country Link
RU (1) RU2180447C2 (en)

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