JPH0733501Y2 - 片方向ｃａｔｖシステムの端末状態監視装置 - Google Patents

片方向ｃａｔｖシステムの端末状態監視装置

Info

Publication number
JPH0733501Y2
JPH0733501Y2 JP1989151329U JP15132989U JPH0733501Y2 JP H0733501 Y2 JPH0733501 Y2 JP H0733501Y2 JP 1989151329 U JP1989151329 U JP 1989151329U JP 15132989 U JP15132989 U JP 15132989U JP H0733501 Y2 JPH0733501 Y2 JP H0733501Y2
Authority
JP
Japan
Prior art keywords
terminal
low
mhz
polling
center device
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.)
Expired - Lifetime
Application number
JP1989151329U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0390575U (enExample
Inventor
一浩 増沢
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.)
Hochiki Corp
Original Assignee
Hochiki 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 Hochiki Corp filed Critical Hochiki Corp
Priority to JP1989151329U priority Critical patent/JPH0733501Y2/ja
Publication of JPH0390575U publication Critical patent/JPH0390575U/ja
Application granted granted Critical
Publication of JPH0733501Y2 publication Critical patent/JPH0733501Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1989151329U 1989-12-28 1989-12-28 片方向ｃａｔｖシステムの端末状態監視装置 Expired - Lifetime JPH0733501Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989151329U JPH0733501Y2 (ja) 1989-12-28 1989-12-28 片方向ｃａｔｖシステムの端末状態監視装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989151329U JPH0733501Y2 (ja) 1989-12-28 1989-12-28 片方向ｃａｔｖシステムの端末状態監視装置

Publications (2)

Publication Number Publication Date
JPH0390575U JPH0390575U (enExample) 1991-09-13
JPH0733501Y2 true JPH0733501Y2 (ja) 1995-07-31

Family

ID=31697635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989151329U Expired - Lifetime JPH0733501Y2 (ja) 1989-12-28 1989-12-28 片方向ｃａｔｖシステムの端末状態監視装置

Country Status (1)

Country Link
JP (1) JPH0733501Y2 (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581868B2 (ja) * 1977-04-25 1983-01-13 松下電器産業株式会社 双方向デ−タ伝送装置

Also Published As

Publication number Publication date
JPH0390575U (enExample) 1991-09-13

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