JPS5379563A - Interphone circuit in data collecting circuit - Google Patents

Interphone circuit in data collecting circuit

Info

Publication number
JPS5379563A
JPS5379563A JP15545776A JP15545776A JPS5379563A JP S5379563 A JPS5379563 A JP S5379563A JP 15545776 A JP15545776 A JP 15545776A JP 15545776 A JP15545776 A JP 15545776A JP S5379563 A JPS5379563 A JP S5379563A
Authority
JP
Japan
Prior art keywords
circuit
data collecting
interphone
transmission line
terminal unit
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
JP15545776A
Other languages
Japanese (ja)
Inventor
Ichiro Yoshihara
Takeshi Abe
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.)
Ricoh Co Ltd
Ricoh Denshi Kogyo KK
Original Assignee
Ricoh Co Ltd
Ricoh Denshi Kogyo 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 Ricoh Co Ltd, Ricoh Denshi Kogyo KK filed Critical Ricoh Co Ltd
Priority to JP15545776A priority Critical patent/JPS5379563A/en
Priority to US05/861,670 priority patent/US4151371A/en
Publication of JPS5379563A publication Critical patent/JPS5379563A/en
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Details Of Flowmeters (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

PURPOSE: To make possible talking by calling the other side from either side by connecting terminal unit side and station side interphones respective between a data transmission line connecting the terminal unit side and the data collection station side and other common transmission line.
COPYRIGHT: (C)1978,JPO&Japio
JP15545776A 1976-12-23 1976-12-23 Interphone circuit in data collecting circuit Pending JPS5379563A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15545776A JPS5379563A (en) 1976-12-23 1976-12-23 Interphone circuit in data collecting circuit
US05/861,670 US4151371A (en) 1976-12-23 1977-12-19 Remote meter reading apparatus comprising interphone means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15545776A JPS5379563A (en) 1976-12-23 1976-12-23 Interphone circuit in data collecting circuit

Publications (1)

Publication Number Publication Date
JPS5379563A true JPS5379563A (en) 1978-07-14

Family

ID=15606454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15545776A Pending JPS5379563A (en) 1976-12-23 1976-12-23 Interphone circuit in data collecting circuit

Country Status (1)

Country Link
JP (1) JPS5379563A (en)

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