JPH0221949U - - Google Patents

Info

Publication number
JPH0221949U
JPH0221949U JP10088488U JP10088488U JPH0221949U JP H0221949 U JPH0221949 U JP H0221949U JP 10088488 U JP10088488 U JP 10088488U JP 10088488 U JP10088488 U JP 10088488U JP H0221949 U JPH0221949 U JP H0221949U
Authority
JP
Japan
Prior art keywords
telephone line
input signal
display
detects
signal detection
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
JP10088488U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP10088488U priority Critical patent/JPH0221949U/ja
Publication of JPH0221949U publication Critical patent/JPH0221949U/ja
Pending legal-status Critical Current

Links

JP10088488U 1988-07-28 1988-07-28 Pending JPH0221949U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10088488U JPH0221949U (enrdf_load_stackoverflow) 1988-07-28 1988-07-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10088488U JPH0221949U (enrdf_load_stackoverflow) 1988-07-28 1988-07-28

Publications (1)

Publication Number Publication Date
JPH0221949U true JPH0221949U (enrdf_load_stackoverflow) 1990-02-14

Family

ID=31329368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10088488U Pending JPH0221949U (enrdf_load_stackoverflow) 1988-07-28 1988-07-28

Country Status (1)

Country Link
JP (1) JPH0221949U (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61107853A (ja) * 1984-10-31 1986-05-26 Nippon Telegr & Teleph Corp <Ntt> デイジタル電話機器用試験装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61107853A (ja) * 1984-10-31 1986-05-26 Nippon Telegr & Teleph Corp <Ntt> デイジタル電話機器用試験装置

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