JPH01126548U - - Google Patents

Info

Publication number
JPH01126548U
JPH01126548U JP2174288U JP2174288U JPH01126548U JP H01126548 U JPH01126548 U JP H01126548U JP 2174288 U JP2174288 U JP 2174288U JP 2174288 U JP2174288 U JP 2174288U JP H01126548 U JPH01126548 U JP H01126548U
Authority
JP
Japan
Prior art keywords
light
light emitting
intensity
emitting means
photoelectric conversion
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2174288U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP2174288U priority Critical patent/JPH01126548U/ja
Publication of JPH01126548U publication Critical patent/JPH01126548U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP2174288U 1988-02-23 1988-02-23 Pending JPH01126548U (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2174288U JPH01126548U (enrdf_load_html_response) 1988-02-23 1988-02-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2174288U JPH01126548U (enrdf_load_html_response) 1988-02-23 1988-02-23

Publications (1)

Publication Number Publication Date
JPH01126548U true JPH01126548U (enrdf_load_html_response) 1989-08-29

Family

ID=31239239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2174288U Pending JPH01126548U (enrdf_load_html_response) 1988-02-23 1988-02-23

Country Status (1)

Country Link
JP (1) JPH01126548U (enrdf_load_html_response)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147037A (en) * 1981-01-30 1982-09-10 Battelle Memorial Institute Liquid refractive index measuring apparatus in terms of reference temperature
JPS593243A (ja) * 1982-06-30 1984-01-09 Stanley Electric Co Ltd 液体濃度計
JPS5990032A (ja) * 1982-11-15 1984-05-24 Nippon Beet Sugar Mfg Co Ltd 液体の密度、濃度、比重等を測定するための測定装置
JPS62206431A (ja) * 1986-03-07 1987-09-10 Ricoh Co Ltd 液体の屈折率測定装置
JPS62228142A (ja) * 1985-12-12 1987-10-07 Nippon Kokan Kk <Nkk> 光学式濃度計

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147037A (en) * 1981-01-30 1982-09-10 Battelle Memorial Institute Liquid refractive index measuring apparatus in terms of reference temperature
JPS593243A (ja) * 1982-06-30 1984-01-09 Stanley Electric Co Ltd 液体濃度計
JPS5990032A (ja) * 1982-11-15 1984-05-24 Nippon Beet Sugar Mfg Co Ltd 液体の密度、濃度、比重等を測定するための測定装置
JPS62228142A (ja) * 1985-12-12 1987-10-07 Nippon Kokan Kk <Nkk> 光学式濃度計
JPS62206431A (ja) * 1986-03-07 1987-09-10 Ricoh Co Ltd 液体の屈折率測定装置

Similar Documents

Publication Publication Date Title
US4656353A (en) Variable pulse rate led electronics for a fiber optic vortex shedding flowmeter
ATE85438T1 (de) Anzeigevorrichtung vom transmissiven typ.
JPS60183531A (ja) 色差検知装置
FI943270A0 (fi) Nestepinnan tunnistava anturi ja sen ohjauspiiri
JPH0424611A (ja) コントラスト自動調整機能付液晶表示装置
CA2151537A1 (en) Electric field sensor capable of reliably measuring an electric field intensity of a signal
SE7707141L (sv) Anordning och fotometer for tjockleksmetning och -styrning av optiskt verksamma tunna skikt
JPH01126548U (enrdf_load_html_response)
FR2680883B1 (fr) Procede et dispositif de commande d&#39;un convertisseur de longueur d&#39;onde optique.
JPS6421581A (en) Projector for image processing
KR920003041B1 (ko) 광택 측정장치
JPS5490982A (en) Light output stabilizing circuit of semiconductor laser
JPS57108702A (en) Displacement meter
RU2065139C1 (ru) Фотометр
DE3474346D1 (en) Distance sensor for measuring the distance to a closely situated object
JPS6488373A (en) Optical fiber sensor
SU960550A1 (ru) Автоматический спектрофотометр
SU1203406A1 (ru) Способ определени концентрации пыли в замкнутом объеме
JPH0219703Y2 (enrdf_load_html_response)
JPH05176901A (ja) 光電型容積計
JPS53105992A (en) Stabilizing circuit for lumious element output
JPS6420687A (en) Drive circuit for semiconductor laser
RU2038585C1 (ru) Фотоколориметрический газоанализатор
SU754214A1 (ru) Устройство для регистрации уровня освещенности 1
JPS63111488A (ja) 光波距離計による測距方法