JPS5379563A - Interphone circuit in data collecting circuit - Google Patents
Interphone circuit in data collecting circuitInfo
- 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
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
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) |
-
1976
- 1976-12-23 JP JP15545776A patent/JPS5379563A/en active Pending
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