JPS51139371A - Electric quake-sensing device employing a falling ball - Google Patents

Electric quake-sensing device employing a falling ball

Info

Publication number
JPS51139371A
JPS51139371A JP5486575A JP5486575A JPS51139371A JP S51139371 A JPS51139371 A JP S51139371A JP 5486575 A JP5486575 A JP 5486575A JP 5486575 A JP5486575 A JP 5486575A JP S51139371 A JPS51139371 A JP S51139371A
Authority
JP
Japan
Prior art keywords
sensing device
quake
electric
falling ball
device employing
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
JP5486575A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5621084B2 (OSRAM
Inventor
Akijiro Yamazaki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP5486575A priority Critical patent/JPS51139371A/ja
Publication of JPS51139371A publication Critical patent/JPS51139371A/ja
Publication of JPS5621084B2 publication Critical patent/JPS5621084B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP5486575A 1975-05-07 1975-05-07 Electric quake-sensing device employing a falling ball Granted JPS51139371A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5486575A JPS51139371A (en) 1975-05-07 1975-05-07 Electric quake-sensing device employing a falling ball

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5486575A JPS51139371A (en) 1975-05-07 1975-05-07 Electric quake-sensing device employing a falling ball

Publications (2)

Publication Number Publication Date
JPS51139371A true JPS51139371A (en) 1976-12-01
JPS5621084B2 JPS5621084B2 (OSRAM) 1981-05-18

Family

ID=12982472

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5486575A Granted JPS51139371A (en) 1975-05-07 1975-05-07 Electric quake-sensing device employing a falling ball

Country Status (1)

Country Link
JP (1) JPS51139371A (OSRAM)

Also Published As

Publication number Publication date
JPS5621084B2 (OSRAM) 1981-05-18

Similar Documents

Publication Publication Date Title
JPS53137744A (en) Face treating device
JPS521287A (en) Numeric value control device
JPS51139371A (en) Electric quake-sensing device employing a falling ball
JPS5227955A (en) Gear reduction device
JPS5240292A (en) Shift device
JPS52125977A (en) Gear apparatus
JPS5247175A (en) Magnetic brake device
JPS51143444A (en) Wiring of pachinko ball detector of pachinko machine
JPS526235A (en) Device for collecting golf balls etc
JPS51146190A (en) Diode circuit
JPS51113458A (en) Wafer stretching device
JPS5233717A (en) Device for fixing tape
JPS5360176A (en) Semiconductor device
JPS51127341A (en) Inverter protective device inverter
JPS5319884A (en) Mass marker
JPS5259829A (en) Central controller for electric devices
JPS52110543A (en) Automatic paying device
JPS5229058A (en) Position detector for elevator
JPS5226656A (en) Automatic filtering device
JPS51146961A (en) Hair-keeper for hair-curler
JPS5227588A (en) Brake device used in laying cable
JPS51147299A (en) Figure display device
JPS51111064A (en) Semiconductor device
JPS5263541A (en) Bearing device
JPS523973A (en) Clutch device