KR900002057A - Object detection device using light reflection spectrum of photodiode - Google Patents

Object detection device using light reflection spectrum of photodiode Download PDF

Info

Publication number
KR900002057A
KR900002057A KR1019880008881A KR880008881A KR900002057A KR 900002057 A KR900002057 A KR 900002057A KR 1019880008881 A KR1019880008881 A KR 1019880008881A KR 880008881 A KR880008881 A KR 880008881A KR 900002057 A KR900002057 A KR 900002057A
Authority
KR
South Korea
Prior art keywords
light
lens
light receiving
photodiode
reflection spectrum
Prior art date
Application number
KR1019880008881A
Other languages
Korean (ko)
Other versions
KR940001142B1 (en
Inventor
마사미 야마가와
Original Assignee
고시바 노리다카
가부시키가이샤 와 꼬오
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 고시바 노리다카, 가부시키가이샤 와 꼬오 filed Critical 고시바 노리다카
Priority to KR1019880008881A priority Critical patent/KR940001142B1/en
Publication of KR900002057A publication Critical patent/KR900002057A/en
Application granted granted Critical
Publication of KR940001142B1 publication Critical patent/KR940001142B1/en

Links

Classifications

    • 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
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/28—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication
    • G01D5/30—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

내용 없음No content

Description

포토다이오드의 광반사 스펙트럼을 이용한 물체의 검지장치Object detection device using light reflection spectrum of photodiode

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

제1도는 본 발명에 관한 검지장치의 외관사시도.1 is an external perspective view of a detection device according to the present invention.

제2도는 제1도의 일부단면 설명도.2 is a partial cross-sectional view of FIG.

제3도는 제1광학체의 설명도이며, 그 도면의 (a)는 외관사시도, 그 도면의 (b)는 평면도, 그 도면의 (c)는 (b)에서의 c-c선 단면도, 그 도면의 (d)는 (b)에서의 d-d선 단면도.3 is an explanatory view of the first optical body, in which (a) is an external perspective view, (b) is a plan view, (c) is a cross-sectional view taken along line cc in (b), and (d) is dd line sectional drawing in (b).

제4도는 제2광학체의 설명도이며, 그 도면의 (a)는 외관사시도, 그 도면의 (b)는 평면도.4 is an explanatory view of a second optical body, in which (a) is an external perspective view, and (b) is a plan view.

제5도는 종래의 평면 설명도이다.5 is a conventional explanatory view.

Claims (7)

발광소자와 수광소자와의 사이의 공간을 통과하는 피검출체를 검출하는 검지장치로서, 이 검지장치를, 투광렌즈부 및 수광렌즈부간에 제1반사부를 형성한 제1광학체와, 제2반사부를 가지며, 상기 제1광학체와 대향하여 피검출체가 통과하는 공간을 형성하는 제2광학체와, 상기 투광렌즈부를 통해서 빛을 상기 제2반사부로 방사하는 발광소자와, 상기 수광렌즈부를 통하여 입사하는 빛에 따라서 전기 신호로 변환하는 수광소자와, 발광소자 및 수광소자를 갖춘 구동제어 회로를 광체에 일체로 설치하여서 된것을 특징으로 하는 포토다이오드의 광반사 스펙트럼을 이용한 물체의 검지장치.A detection device for detecting a detected object passing through a space between a light emitting element and a light receiving element, the detection device comprising: a first optical body having a first reflecting portion formed between a light transmitting lens portion and a light receiving lens portion; A second optical body having a reflecting portion and forming a space through which the object to be detected passes through the first optical body, a light emitting element emitting light to the second reflecting portion through the light transmitting lens portion, and through the light receiving lens portion An apparatus for detecting an object using a light reflection spectrum of a photodiode, wherein the light receiving element for converting the light into an electric signal according to incident light, and a drive control circuit including the light emitting element and the light receiving element are integrally provided in the housing. 제1항에 있어서 투광렌즈부, 수광렌즈부, 및 이러한 사이에 설치되는 제1반사부를 갖는 제1광학체는 투명 수지재로서 일체로 형성한것을 특징으로 하는 포토다이오드의 광반사 스펙트럼을 이용한 물체의 검지장치.The object using the light reflection spectrum of a photodiode according to claim 1, wherein the first optical body having a light transmitting lens portion, a light receiving lens portion, and a first reflection portion provided therebetween is formed integrally as a transparent resin material. Detection device. 제1항에 있어서, 제2반사부를 갖춘 제2광학체는 투명 수지재로서 일체로 형성한 것을 특징으로 하는 포토다이오드의 광반사 스펙트럼을 이용한 물체의 검지장치.The apparatus for detecting an object using the light reflection spectrum of a photodiode according to claim 1, wherein the second optical body having the second reflecting portion is formed integrally as a transparent resin material. 제2항에 있어서, 상기 투광렌즈부는 발명소자로 부터의 빛을 입사하는 제1투광렌즈와 입사한 빛을 제2반사부로 방사하는 제2투광렌즈로서 구성됨과 동시에 제1투광렌즈는 비구면의 볼록렌즈로 하고 제2투광렌즈는 비구면의 원통렌즈로 한것을 특징으로 하는 포토다이오드의 광반사 스펙트럼을 이용한 물체의 검지장치.3. The light emitting lens unit as claimed in claim 2, wherein the light transmitting lens unit is configured as a first light transmitting lens for injecting light from the invention device and a second light emitting lens for emitting the light incident to the second reflecting unit. And a second transmissive lens is an aspherical cylindrical lens. The object detecting device using the light reflection spectrum of the photodiode. 제2항에 있어서, 상기 수광렌즈부는 수광소자로 빛을 집광하는 제1수광렌즈와 제2반사부로 부터의 입사광을 수광하는 제2수광렌즈로 구성함과 동시에 제1수광렌즈는 비구면의 볼록렌즈로 하고, 제2수광렌즈는 비구면의 원통렌즈로 한것을 특징으로 하는 포토다이오드의 광반사 스펙트럼을 이용한 물체의 검지장치.3. The light receiving lens unit of claim 2, wherein the light receiving lens unit comprises a first light receiving lens for collecting light to the light receiving element and a second light receiving lens for receiving incident light from the second reflecting unit, and the first light receiving lens is an aspheric convex lens. And the second light receiving lens is an aspherical cylindrical lens, wherein the object detecting device uses the light reflection spectrum of the photodiode. 제2항에 있어서, 제1반사부는 구면 또는 원통면의 볼록면경으로 구성함과 동시에 경면은 진공증착 도금막으로 형성한것을 특징으로 하는 포토다이오드의 광반사 스펙트럼을 이용한 물체의 검지장치.The apparatus of claim 2, wherein the first reflecting portion is formed of a spherical or cylindrical convex mirror, and the mirror is formed of a vacuum deposition plating film. 제3항에 있어서, 제2반사부는 오목면 반사경으로 구성함과 동시에 경면은 진공증착 도금막으로 형성한 것을 특징으로 하는 포토다이오드의 광반사 스펙트럼을 이용한 물체의 검지장치.4. The apparatus of claim 3, wherein the second reflector is formed of a concave reflector and a mirror is formed of a vacuum deposition plating film. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880008881A 1988-07-16 1988-07-16 Optical detecting apparatus KR940001142B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880008881A KR940001142B1 (en) 1988-07-16 1988-07-16 Optical detecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880008881A KR940001142B1 (en) 1988-07-16 1988-07-16 Optical detecting apparatus

Publications (2)

Publication Number Publication Date
KR900002057A true KR900002057A (en) 1990-02-28
KR940001142B1 KR940001142B1 (en) 1994-02-14

Family

ID=19276132

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880008881A KR940001142B1 (en) 1988-07-16 1988-07-16 Optical detecting apparatus

Country Status (1)

Country Link
KR (1) KR940001142B1 (en)

Also Published As

Publication number Publication date
KR940001142B1 (en) 1994-02-14

Similar Documents

Publication Publication Date Title
US4211923A (en) Fluid tight ultrasonically welded photoelectric device
US4912316A (en) Detecting apparatus with resinous body
KR940011981A (en) Optical encoder
GB1533192A (en) Smoke sensor
KR890016373A (en) Alcohol content detection device
KR840007956A (en) Focus error detector
KR850000078A (en) Focus error detector
US4880974A (en) Photoelectric sensor employing custom lens member
KR910015854A (en) Alcohol content detection device
US4563577A (en) Optical sensor and reflector to reflect a different wavelength
KR940013109A (en) Close Image Sensor
KR900010683A (en) Photodetector
KR900002057A (en) Object detection device using light reflection spectrum of photodiode
DE69636222D1 (en) Portable optical code reader
KR830006677A (en) Infrared film thickness meter
KR900000792A (en) Structure for mounting sapphire balls on the bar code reader wand tip
JPH06111694A (en) Photoelectric switch
JPS5861408A (en) Transmission type optical coupler
KR880006661A (en) Optical scanning device
KR890012475A (en) Tight image sensor
JP2000357816A (en) Optical coupling device
KR900016734A (en) Optical pattern detection device
JPS5461522A (en) Automatic focusing device
KR920002352B1 (en) Photo electric sensor
JPH08261928A (en) Turbidity detector

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E601 Decision to refuse application
J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee