KR950022961A - Auto on / off microphone unit - Google Patents

Auto on / off microphone unit

Info

Publication number
KR950022961A
KR950022961A KR1019930030325A KR930030325A KR950022961A KR 950022961 A KR950022961 A KR 950022961A KR 1019930030325 A KR1019930030325 A KR 1019930030325A KR 930030325 A KR930030325 A KR 930030325A KR 950022961 A KR950022961 A KR 950022961A
Authority
KR
South Korea
Prior art keywords
distance
ultrasonic wave
microphone
power supply
predetermined
Prior art date
Application number
KR1019930030325A
Other languages
Korean (ko)
Other versions
KR960002018B1 (en
Inventor
박용규
Original Assignee
배순훈
대우전자 주식회사
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 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019930030325A priority Critical patent/KR960002018B1/en
Publication of KR950022961A publication Critical patent/KR950022961A/en
Application granted granted Critical
Publication of KR960002018B1 publication Critical patent/KR960002018B1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/08Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

본 마이크장치는 마이크와 사용자(또는 발언자)간의 거리에 따라 전원의 인가상태를 자동적으로 조절하기 위한 것이다. 이를 위하여 본 장치는 전원공급부; 전원공급부로 부터 전원이 인가되면 인가되는 음성신호를 소정 레벨로 증폭하여 재생되도록 추력하는 증폭회로; 소정의 초음파를 송신하는 초음파송신단; 송신된 소정의 초음파를 수신하는 초음파수신단; 초음파송신단의 송신시점과 초음파수신단의 수신시점에 의하여 검출된 수신강도에 따라 상기 전원공급부로 부터 증폭회로로 전원이 인가되는 상태를 제어하기 위한 전원인가 제어회로를 포함하도록 구성된다.This microphone device is for automatically adjusting the power supply state according to the distance between the microphone and the user (or speaker). To this end, the apparatus includes a power supply unit; An amplifying circuit for thrusting and reproducing the amplified voice signal to a predetermined level when power is supplied from the power supply unit; An ultrasonic transmitter for transmitting a predetermined ultrasonic wave; An ultrasonic receiver for receiving a predetermined ultrasonic wave; And a power supply control circuit for controlling a state in which power is applied from the power supply unit to the amplification circuit according to the reception intensity detected by the transmission point of the ultrasonic wave transmitter and the reception point of the ultrasonic wave receiver.

Description

자동 온/오프 마이크장치Auto on / off microphone unit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명에 따른 마이크의 내부 구성도.3 is a diagram illustrating an internal configuration of a microphone according to the present invention.

제4도는 본 발명에 따른 마이크의 2차원적인 내부 구성도.4 is a two-dimensional internal configuration of a microphone according to the present invention.

제5도는 제4도의 단락상태 제어회로의 내부 구성도.5 is an internal configuration diagram of the short circuit state control circuit of FIG.

Claims (5)

전원공급부와 전원공급부로부터 전원이 인가되면 인가되는 음성신호를 소정 레벨로 증폭하여 재생되도록 출력하는 증폭회로를 구비한 마이크장치에 있어서, 소정의 초음파를 송신하는 초음파 송신단 ; 송신된 소정의 초음파를 수신하는 초음파 수신단 ; 초음파 송신단의 송신시점과 상기 초음파 수신단의 수신시점에 의하여 검출된 수신강도에 따라 상기 전원공급부로부터 상기 증폭회로로 전원이 인가되는 상태를 제어하기 위한 전원인가 제어회로를 포함함을 특징으로 하는 자동 온/오프 마이크장치.A microphone apparatus having a power supply and an amplifier circuit for amplifying and reproducing an audio signal applied to a predetermined level when power is supplied from the power supply, comprising: an ultrasonic transmitter for transmitting a predetermined ultrasonic wave; An ultrasonic receiver for receiving a predetermined ultrasonic wave; And a power-on control circuit for controlling a state in which power is supplied from the power supply unit to the amplification circuit according to the reception intensity detected by the transmission point of the ultrasonic wave transmitter and the reception point of the ultrasonic wave receiver. On / off microphone unit. 제1항에 있어서, 상기 전원인가 제어회로는 상기 마이크의 메인전원이 인가된 상태에서는 계속적으로 상기 초음파 송신단으로 소정의 초음파가 송신되도록 제어하여 사용자와 마이크간의 거리를 측정함을 특징으로 하는 자동 온/오프 마이크장치.The automatic power on of claim 1, wherein the power supply control circuit measures a distance between the user and the microphone by controlling a predetermined ultrasonic wave to be continuously transmitted to the ultrasonic wave transmitter when the main power of the microphone is applied. On / off microphone unit. 제1항에 있어서, 상기 전원인가 제어회로는 상기 초음파 송신단으로부터 소정의 초음파가 송신되는 시점을 제어하고 초음파 수신단을 통해 수신되는 시점을 검출하여 사용자와 마이크간의 거리를 검출하는 거리검출기와 상기 거리검출기에서 검출된 거리값과 소정의 임계값을 비교하는 비교기와, 비교기에서 출력되는 비교결과 값에 의해 상기 전원공급부와 증폭회로간의 루프의 단락상태를 제어하기 위한 단락상태 제어기를 포함함을 특징으로 하는 자동 온/오프 마이크장치.The distance detector and the distance detector of claim 1, wherein the power supply control circuit controls a time point at which a predetermined ultrasonic wave is transmitted from the ultrasonic wave transmitter and detects a time point at which the ultrasonic wave is received through the ultrasonic wave receiver. And a short circuit state controller for controlling a short circuit condition of a loop between the power supply unit and the amplification circuit based on a comparison result value output from the comparator, and a comparator for comparing the detected distance value with a predetermined threshold value. Auto on / off microphone unit. 제3항에 있어서, 상기 비교기는 상기 검출된 거리값이 상기 임계값보다 크면 사기 사용자와 마이크간의 거리가 일정 거리 이상임을 나타내는 비교결과 값을 출력하고, 상기 거리값이 상기 임계값보다 작으면 상기 사용자와 마이크간의 거리가 일정 거리이하임은 나타내는 비교결과 값을 출력함을 특징으로 하는 자동 온/오프 마이크장치.The apparatus of claim 3, wherein the comparator outputs a comparison result value indicating that the distance between the fraudulent user and the microphone is greater than or equal to a predetermined distance when the detected distance value is greater than the threshold value, and when the distance value is less than the threshold value, Automatic on / off microphone device, characterized in that for outputting a comparison result indicating that the distance between the user and the microphone is less than a certain distance. 제4항에 있어서, 상기 단락상태 제어기는 상기 비교결과 값이 상기 사용자와 상기 마이크간의 거리가 일정 거리 이상임을 나타낼 경우에는 상기 전원공급부와 증폭회로간의 루프를 단락상태로 제어하고, 상기 비교결과 값이 일정 거리 이하임을 나타낼 경우에는 상기 전원공급부와 증폭회로간의 루프를 도통상태로 제어함을 특징으로 하는 자동 온/오프 마이크장치.The method of claim 4, wherein the short circuit controller controls the loop between the power supply unit and the amplifying circuit in a short circuit state when the comparison result indicates that the distance between the user and the microphone is greater than or equal to a predetermined distance. And an automatic on / off microphone device for controlling the loop between the power supply unit and the amplification circuit in a conducting state when the distance is less than a predetermined distance. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930030325A 1993-12-28 1993-12-28 Auto on-off microphone device KR960002018B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930030325A KR960002018B1 (en) 1993-12-28 1993-12-28 Auto on-off microphone device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930030325A KR960002018B1 (en) 1993-12-28 1993-12-28 Auto on-off microphone device

Publications (2)

Publication Number Publication Date
KR950022961A true KR950022961A (en) 1995-07-28
KR960002018B1 KR960002018B1 (en) 1996-02-09

Family

ID=19373331

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930030325A KR960002018B1 (en) 1993-12-28 1993-12-28 Auto on-off microphone device

Country Status (1)

Country Link
KR (1) KR960002018B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102624336B1 (en) * 2023-08-09 2024-01-12 ㈜에이치엔엠 Microphone with automatic on-off function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102624336B1 (en) * 2023-08-09 2024-01-12 ㈜에이치엔엠 Microphone with automatic on-off function

Also Published As

Publication number Publication date
KR960002018B1 (en) 1996-02-09

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