JPS57211700A - Approach alarm - Google Patents

Approach alarm

Info

Publication number
JPS57211700A
JPS57211700A JP56098880A JP9888081A JPS57211700A JP S57211700 A JPS57211700 A JP S57211700A JP 56098880 A JP56098880 A JP 56098880A JP 9888081 A JP9888081 A JP 9888081A JP S57211700 A JPS57211700 A JP S57211700A
Authority
JP
Japan
Prior art keywords
approach alarm
alarm
approach
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
JP56098880A
Other languages
English (en)
Inventor
Yuuichi Fudewaki
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 JP56098880A priority Critical patent/JPS57211700A/ja
Publication of JPS57211700A publication Critical patent/JPS57211700A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Road Signs Or Road Markings (AREA)
  • Traffic Control Systems (AREA)
JP56098880A 1981-06-22 1981-06-22 Approach alarm Pending JPS57211700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56098880A JPS57211700A (en) 1981-06-22 1981-06-22 Approach alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56098880A JPS57211700A (en) 1981-06-22 1981-06-22 Approach alarm

Publications (1)

Publication Number Publication Date
JPS57211700A true JPS57211700A (en) 1982-12-25

Family

ID=14231468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56098880A Pending JPS57211700A (en) 1981-06-22 1981-06-22 Approach alarm

Country Status (1)

Country Link
JP (1) JPS57211700A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0415608U (ja) * 1990-05-24 1992-02-07

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257084U (ja) * 1975-10-18 1977-04-25
JPS5328178B2 (ja) * 1974-02-01 1978-08-12
JPS5328176B2 (ja) * 1974-05-09 1978-08-12

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328178B2 (ja) * 1974-02-01 1978-08-12
JPS5328176B2 (ja) * 1974-05-09 1978-08-12
JPS5257084U (ja) * 1975-10-18 1977-04-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0415608U (ja) * 1990-05-24 1992-02-07

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