JPS54111244A - Data collection unit and its use method - Google Patents

Data collection unit and its use method

Info

Publication number
JPS54111244A
JPS54111244A JP1835078A JP1835078A JPS54111244A JP S54111244 A JPS54111244 A JP S54111244A JP 1835078 A JP1835078 A JP 1835078A JP 1835078 A JP1835078 A JP 1835078A JP S54111244 A JPS54111244 A JP S54111244A
Authority
JP
Japan
Prior art keywords
unit
acoustic
terminal unit
telephone set
coupler
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
JP1835078A
Other languages
English (en)
Inventor
Hiroyuki Wada
Kunihiro Oshima
Katsuhiro Hosono
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.)
Nippon Signal Co Ltd
Original Assignee
Nippon Signal Co Ltd
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 Nippon Signal Co Ltd filed Critical Nippon Signal Co Ltd
Priority to JP1835078A priority Critical patent/JPS54111244A/ja
Publication of JPS54111244A publication Critical patent/JPS54111244A/ja
Pending legal-status Critical Current

Links

JP1835078A 1978-02-20 1978-02-20 Data collection unit and its use method Pending JPS54111244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1835078A JPS54111244A (en) 1978-02-20 1978-02-20 Data collection unit and its use method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1835078A JPS54111244A (en) 1978-02-20 1978-02-20 Data collection unit and its use method

Publications (1)

Publication Number Publication Date
JPS54111244A true JPS54111244A (en) 1979-08-31

Family

ID=11969214

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1835078A Pending JPS54111244A (en) 1978-02-20 1978-02-20 Data collection unit and its use method

Country Status (1)

Country Link
JP (1) JPS54111244A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57155685A (en) * 1981-02-17 1982-09-25 Coca Cola Co Remote monitoring system for vending machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57155685A (en) * 1981-02-17 1982-09-25 Coca Cola Co Remote monitoring system for vending machine
JPH041392B2 (ja) * 1981-02-17 1992-01-10 Coca Cola Co

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