JPS53140994A - Method of assuring safety of navigation by electrically generated sound - Google Patents

Method of assuring safety of navigation by electrically generated sound

Info

Publication number
JPS53140994A
JPS53140994A JP5575877A JP5575877A JPS53140994A JP S53140994 A JPS53140994 A JP S53140994A JP 5575877 A JP5575877 A JP 5575877A JP 5575877 A JP5575877 A JP 5575877A JP S53140994 A JPS53140994 A JP S53140994A
Authority
JP
Japan
Prior art keywords
navigation
generated sound
electrically generated
assuring safety
assuring
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
JP5575877A
Other languages
Japanese (ja)
Inventor
Shigeo Fujii
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 JP5575877A priority Critical patent/JPS53140994A/en
Publication of JPS53140994A publication Critical patent/JPS53140994A/en
Pending legal-status Critical Current

Links

JP5575877A 1977-05-13 1977-05-13 Method of assuring safety of navigation by electrically generated sound Pending JPS53140994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5575877A JPS53140994A (en) 1977-05-13 1977-05-13 Method of assuring safety of navigation by electrically generated sound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5575877A JPS53140994A (en) 1977-05-13 1977-05-13 Method of assuring safety of navigation by electrically generated sound

Publications (1)

Publication Number Publication Date
JPS53140994A true JPS53140994A (en) 1978-12-08

Family

ID=13007734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5575877A Pending JPS53140994A (en) 1977-05-13 1977-05-13 Method of assuring safety of navigation by electrically generated sound

Country Status (1)

Country Link
JP (1) JPS53140994A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6281698A (en) * 1985-10-05 1987-04-15 泉　清滋 Alarm generator for ship

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50157092A (en) * 1974-06-07 1975-12-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50157092A (en) * 1974-06-07 1975-12-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6281698A (en) * 1985-10-05 1987-04-15 泉　清滋 Alarm generator for ship

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