JPS563530A - Telephone set safety device - Google Patents

Telephone set safety device

Info

Publication number
JPS563530A
JPS563530A JP7929779A JP7929779A JPS563530A JP S563530 A JPS563530 A JP S563530A JP 7929779 A JP7929779 A JP 7929779A JP 7929779 A JP7929779 A JP 7929779A JP S563530 A JPS563530 A JP S563530A
Authority
JP
Japan
Prior art keywords
safety device
telephone set
set safety
telephone
safety
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
JP7929779A
Other languages
Japanese (ja)
Inventor
Hirobumi Yamane
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.)
TOKYO TSUUSHIN KOUZAI KK
Original Assignee
TOKYO TSUUSHIN KOUZAI KK
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 TOKYO TSUUSHIN KOUZAI KK filed Critical TOKYO TSUUSHIN KOUZAI KK
Priority to JP7929779A priority Critical patent/JPS563530A/en
Publication of JPS563530A publication Critical patent/JPS563530A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP7929779A 1979-06-23 1979-06-23 Telephone set safety device Pending JPS563530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7929779A JPS563530A (en) 1979-06-23 1979-06-23 Telephone set safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7929779A JPS563530A (en) 1979-06-23 1979-06-23 Telephone set safety device

Publications (1)

Publication Number Publication Date
JPS563530A true JPS563530A (en) 1981-01-14

Family

ID=13685903

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7929779A Pending JPS563530A (en) 1979-06-23 1979-06-23 Telephone set safety device

Country Status (1)

Country Link
JP (1) JPS563530A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6139022A (en) * 1984-07-31 1986-02-25 Hitachi Ltd light shutter
JPS61129621A (en) * 1984-09-04 1986-06-17 ウエスチングハウス　エレクトリック　コ−ポレ−ション Radiant energy transmission control method and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6139022A (en) * 1984-07-31 1986-02-25 Hitachi Ltd light shutter
JPS61129621A (en) * 1984-09-04 1986-06-17 ウエスチングハウス　エレクトリック　コ−ポレ−ション Radiant energy transmission control method and device

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