KR970048881A - Camera overcurrent prevention device and method - Google Patents

Camera overcurrent prevention device and method Download PDF

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Publication number
KR970048881A
KR970048881A KR1019950052833A KR19950052833A KR970048881A KR 970048881 A KR970048881 A KR 970048881A KR 1019950052833 A KR1019950052833 A KR 1019950052833A KR 19950052833 A KR19950052833 A KR 19950052833A KR 970048881 A KR970048881 A KR 970048881A
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KR
South Korea
Prior art keywords
overcurrent
battery
camera
power supply
current
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Application number
KR1019950052833A
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Korean (ko)
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KR100406605B1 (en
Inventor
이진기
Original Assignee
이대원
삼성항공산업 주식회사
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Priority to KR1019950052833A priority Critical patent/KR100406605B1/en
Publication of KR970048881A publication Critical patent/KR970048881A/en
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Publication of KR100406605B1 publication Critical patent/KR100406605B1/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2217/00Details of cameras or camera bodies; Accessories therefor
    • G03B2217/007Details of energy supply or management

Landscapes

  • Protection Of Static Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

카메라에 있어서, 배터리로부터 출력되는 전류를 감지하여, 감지되는 전류 상태에 해당하는 전기적인 신호를 출력하는 과전류 검출 수단과; 과전류가 발생한 경우에 인가되는 신호에 따라 구동되어 배터리에서 카메라의 전자 장치로의 전원 공급을 차단시키는 회로 보호 수단과; 상기 과전류 검출 수단에서 출력되는 신호에 따라 과전류 발생 여부를 판단하고, 과전류가 발생한 경우에 상기 회로 보호 수단을 작동시켜 배터리 전원 공급을 차단시키는 제어 수단을 포함하여 이루어지는 카메라의 과전류 방지 장치는, 감지되는 배터리 전류가 정상 작동에 따른 전류보다 큰 경우에 배터리에서 공급되는 전원을 차단시킴으로써, 순간적인 과전류 유입에 따라 회로 파손이나 오동작을 방지할 수 있다.A camera comprising: overcurrent detection means for sensing a current output from a battery and outputting an electrical signal corresponding to a detected current state; Circuit protection means for driving according to a signal applied when an overcurrent occurs to cut off power supply from the battery to the electronic device of the camera; And a control means for determining whether overcurrent occurs according to the signal output from the overcurrent detecting means and operating the circuit protection means to cut off the battery power supply when an overcurrent occurs. When the battery current is larger than the current according to normal operation, the power supply from the battery is cut off, thereby preventing circuit breakage or malfunction due to instantaneous overcurrent.

Description

카메라의 과전류 방지 장치 및 그 방법Camera overcurrent prevention device and method

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

제1도는 이 발명의 실시예에 따른 카메라의 과전류 방지 장치의 구성 블록도,1 is a block diagram of an overcurrent prevention apparatus for a camera according to an embodiment of the present invention;

제2도는 이 발명의 실시예에 따른 카메라의 과전류 방지 방법의 동작 순서도.2 is an operation flowchart of a method for preventing overcurrent of a camera according to an embodiment of the present invention.

Claims (8)

카메라에 있어서, 배터리부터로 출력되는 전류를 감지하여, 감지되는 전류 상태에 해당하는 전기적인 신호를 출력하는 과전류 검출 수단과; 과전류가 발생한 경우에 인가되는 신호에 따라 구동되어 배터리에서 카메라의 전자 장치로의 전원 공급을 차단시키는 회로 보호 수단과; 상기 과전류 검출 수단에서 출력되는 신호에 따라 과전류 발생 여부를 판단하고, 과전류가 발생한 경우에 상기 회로 보호 수단을 작동 시켜 배터리 전원 공급을 차단시키는 제어 수단을 포함하여 이루어지는 것을 특징으로 하는 카메라의 과전류 방지 장치.A camera comprising: overcurrent detection means for sensing a current output from a battery and outputting an electrical signal corresponding to a detected current state; Circuit protection means for driving according to a signal applied when an overcurrent occurs to cut off power supply from the battery to the electronic device of the camera; And controlling means for determining whether overcurrent occurs according to a signal output from the overcurrent detecting means and operating the circuit protection means to cut off the battery power supply when an overcurrent occurs. . 제1항에 있어서, 과전류 발생을 표시하는 정보 표시 수단을 더 포함하고, 상기 제어 수단은 과전류가 발생한 경우에 회로 보호 수단을 작동시킨 다음, 상기 정보 표시 수단을 구동시켜 과전류 발생에 따른 전원 차단 상태를 표시하는 것을 특징으로 하는 카메라의 과전류 방지 장치.The power cut-off state according to claim 1, further comprising information display means for indicating an overcurrent occurrence, wherein said control means activates a circuit protection means in the event of an overcurrent, and then drives said information display means to shut down the power according to the overcurrent generation. The over-current prevention device of the camera, characterized in that for displaying. 제1항에 있어서, 상기한 과전류 검출 수단은, 감지되는 배터리 전류에 해당하는 전압과 설정된 기준 전압을 비교하고, 감지되는 배터리 전류에 해당하는 전압이 기준 전압보다 큰 경우에 과전류 발생에 해당하는 신호를 제어 수단으로 출력하는 것을 특징으로 하는 카메라의 과전류 방지 장치.The method of claim 1, wherein the overcurrent detecting means compares a voltage corresponding to a detected battery current with a set reference voltage, and generates a signal corresponding to overcurrent when a voltage corresponding to the detected battery current is greater than a reference voltage. The over-current prevention device of the camera, characterized in that for outputting to the control means. 제1항에 있어서, 과전류가 발생한 경우에 상기 회로 보호 수단은 1차적으로 전원을 차단시키고, 정보 표시 수단을 통하여 과전유 유입 상태가 표시된면 상기 전원 제어 수단이 회로 보호 수단을 작동시켜 전원을 차단시키는 것을 특징으로 하는 카메라의 과전류 방지 장치.The power supply control means according to claim 1, wherein when the overcurrent occurs, the circuit protection means first cuts off the power, and the power control means cuts off the power by operating the circuit protection means when the over-flowing oil inflow state is displayed through the information display means. Overcurrent prevention device of the camera, characterized in that. 전원이 인가됨에 따라 사용되는 모든 변수를 초기화시키는 단계와; 배터리에서 출력되는 전류를 감지하는 단계와, 상기에서 감지되는 배터리에서 출력 전류에 따라 과전류 발생 여부를 판단하는 단계와; 상기에서 과전류가 발생한 경우에 회로 보호 수단을 작동시켜 배터리에서 카메라의 각 구동 장치로의 전원 공급을 차단시키는 것을 특징으로 하는 카메라의 과전류 방지 장치.Initializing all variables used as power is applied; Detecting a current output from the battery, and determining whether an overcurrent occurs in the battery according to the output current; And the circuit protection means is operated to cut off the power supply from the battery to each driving device of the camera when the overcurrent occurs. 제5항에 있어서, 상기에서 과전류가 발생한 경우에 사용자가 과전류 발생 여부를 표시하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 카메라의 과전류 방지 장치.The apparatus of claim 5, further comprising: displaying, by the user, whether or not an overcurrent has occurred when the overcurrent has occurred. 제5항에 있어서, 감지되는 배터리 전류에 해당하는 전압과 설정된 기준 전압을 비교하고, 감지되는 배터리 전류에 해당하는 전압이 기준 전압보다 큰 경우에 과전류가 발생한 것으로 판단하는 것을 특징으로 하는 카메라의 과전류 방지 장치.The overcurrent of the camera of claim 5, wherein a voltage corresponding to the detected battery current is compared with a set reference voltage, and the overcurrent occurs when the voltage corresponding to the detected battery current is greater than the reference voltage. Prevention device. 제5항에 있어서, 과전류가 발생한 경우에 회로 보호 수단이 1차적으로 전원을 차단시키고, 정보 표시 수단을 통하여 과전류 유입 상태가 표시도면 상기 전원 제어 수단이 회로 보호 수단을 작동시켜 전원을 차단시키는 것을 특징으로 하는 카메라의 과전류 방지 장치.6. The power supply control means according to claim 5, wherein when the overcurrent occurs, the circuit protection means first cuts off the power supply, and when the overcurrent inflow state is displayed through the information display means, the power supply control means operates the circuit protection means to cut off the power supply. An overcurrent protection device of a camera. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950052833A 1995-12-20 1995-12-20 Device and method for preventing over current of camera KR100406605B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950052833A KR100406605B1 (en) 1995-12-20 1995-12-20 Device and method for preventing over current of camera

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Application Number Priority Date Filing Date Title
KR1019950052833A KR100406605B1 (en) 1995-12-20 1995-12-20 Device and method for preventing over current of camera

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KR970048881A true KR970048881A (en) 1997-07-29
KR100406605B1 KR100406605B1 (en) 2004-03-18

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63148247A (en) * 1986-12-12 1988-06-21 Hitachi Medical Corp Quick shooting driving controller
JPH06233446A (en) * 1993-02-04 1994-08-19 Rohm Co Ltd Power supply circuit and video camera-tape recorder with power supply
JP2541132B2 (en) * 1993-11-29 1996-10-09 日本電気株式会社 Power input control circuit for automatic diaphragm lens drive
JPH07191387A (en) * 1993-12-27 1995-07-28 Canon Inc Camera
JPH07295098A (en) * 1994-04-27 1995-11-10 Sony Corp Liquid crystal projector
JPH08220620A (en) * 1995-02-08 1996-08-30 Canon Inc Camera provided with overcurrent protective element

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