JPS5494125A - Warning device in furnaces - Google Patents

Warning device in furnaces

Info

Publication number
JPS5494125A
JPS5494125A JP76878A JP76878A JPS5494125A JP S5494125 A JPS5494125 A JP S5494125A JP 76878 A JP76878 A JP 76878A JP 76878 A JP76878 A JP 76878A JP S5494125 A JPS5494125 A JP S5494125A
Authority
JP
Japan
Prior art keywords
signals
circuit
warning
estimation value
camera
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.)
Granted
Application number
JP76878A
Other languages
English (en)
Other versions
JPS5945891B2 (ja
Inventor
Norio Tsuchiya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP53000768A priority Critical patent/JPS5945891B2/ja
Publication of JPS5494125A publication Critical patent/JPS5494125A/ja
Publication of JPS5945891B2 publication Critical patent/JPS5945891B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2229/00—Flame sensors
    • F23N2229/20—Camera viewing
JP53000768A 1978-01-06 1978-01-06 炉内警報装置 Expired JPS5945891B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53000768A JPS5945891B2 (ja) 1978-01-06 1978-01-06 炉内警報装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53000768A JPS5945891B2 (ja) 1978-01-06 1978-01-06 炉内警報装置

Publications (2)

Publication Number Publication Date
JPS5494125A true JPS5494125A (en) 1979-07-25
JPS5945891B2 JPS5945891B2 (ja) 1984-11-09

Family

ID=11482866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53000768A Expired JPS5945891B2 (ja) 1978-01-06 1978-01-06 炉内警報装置

Country Status (1)

Country Link
JP (1) JPS5945891B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4820046A (en) * 1986-12-01 1989-04-11 Hitachi, Ltd. Spectroscope apparatus and reaction apparatus using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4820046A (en) * 1986-12-01 1989-04-11 Hitachi, Ltd. Spectroscope apparatus and reaction apparatus using the same
US4973159A (en) * 1986-12-01 1990-11-27 Hitachi, Ltd. Spectroscope apparatus and reaction apparatus using the same

Also Published As

Publication number Publication date
JPS5945891B2 (ja) 1984-11-09

Similar Documents

Publication Publication Date Title
JPS5429919A (en) Video signal processing circuit
JPS5376623A (en) Single-tube-type color television camera
JPS5494125A (en) Warning device in furnaces
JPS5423322A (en) Automatic regulator for brightness of television screen
JPS6415866A (en) Detecting device for autocorrelation degree
JPS5454632A (en) Photometric circuit of photographing apparatus
JPS54124330A (en) Furnace combustion monitoring device
JPS5267921A (en) Abnormality detection circuit of code reading tv camera
JPS52115122A (en) Color television receiver
JPS6484984A (en) Special reproduction detecting circuit for video disk
JPS5225525A (en) Abnormality detection circuit of tv camera output signal
JPS5458228A (en) Combustion monitor of furnace
JPS5466020A (en) Detector for object
JPS5425861A (en) Distance measuring equipment
JPS537165A (en) Synchronism detecting circuit of phase control circuit
JPS54124331A (en) Furnace combustion monitoring device
JPS5220749A (en) Synchronizing detection circuit
JPS5225526A (en) Abnormality detection circuit of tv camera output signal
JPS5275219A (en) Automatic frequency control circuit
JPS5332627A (en) Multi-item input unit
JPS5471929A (en) Video signal level display method
JPS52116113A (en) Tv picture receiver
JPS5431544A (en) Over current relay
JPS53139920A (en) Television receiver with clock
JPS52115A (en) Focus control device