JPS5414194A - Device for detecting and warning acoustic wave - Google Patents

Device for detecting and warning acoustic wave

Info

Publication number
JPS5414194A
JPS5414194A JP7945677A JP7945677A JPS5414194A JP S5414194 A JPS5414194 A JP S5414194A JP 7945677 A JP7945677 A JP 7945677A JP 7945677 A JP7945677 A JP 7945677A JP S5414194 A JPS5414194 A JP S5414194A
Authority
JP
Japan
Prior art keywords
detecting
acoustic wave
warning acoustic
warning
wave
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
JP7945677A
Other languages
Japanese (ja)
Other versions
JPS5613357B2 (en
Inventor
Akihiro Morino
Fujiki Shimoyama
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.)
Japan National Railways
Sakata Denki Co Ltd
Original Assignee
Japan National Railways
Sakata Denki Co Ltd
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 Japan National Railways, Sakata Denki Co Ltd filed Critical Japan National Railways
Priority to JP7945677A priority Critical patent/JPS5414194A/en
Publication of JPS5414194A publication Critical patent/JPS5414194A/en
Publication of JPS5613357B2 publication Critical patent/JPS5613357B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
JP7945677A 1977-07-05 1977-07-05 Device for detecting and warning acoustic wave Granted JPS5414194A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7945677A JPS5414194A (en) 1977-07-05 1977-07-05 Device for detecting and warning acoustic wave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7945677A JPS5414194A (en) 1977-07-05 1977-07-05 Device for detecting and warning acoustic wave

Publications (2)

Publication Number Publication Date
JPS5414194A true JPS5414194A (en) 1979-02-02
JPS5613357B2 JPS5613357B2 (en) 1981-03-27

Family

ID=13690374

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7945677A Granted JPS5414194A (en) 1977-07-05 1977-07-05 Device for detecting and warning acoustic wave

Country Status (1)

Country Link
JP (1) JPS5414194A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009300346A (en) * 2008-06-17 2009-12-24 Aichi Tokei Denki Co Ltd System and method for measuring water flow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009300346A (en) * 2008-06-17 2009-12-24 Aichi Tokei Denki Co Ltd System and method for measuring water flow

Also Published As

Publication number Publication date
JPS5613357B2 (en) 1981-03-27

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