JPS5218120A - Interface circuit of tv telephone - Google Patents
Interface circuit of tv telephoneInfo
- Publication number
- JPS5218120A JPS5218120A JP9305575A JP9305575A JPS5218120A JP S5218120 A JPS5218120 A JP S5218120A JP 9305575 A JP9305575 A JP 9305575A JP 9305575 A JP9305575 A JP 9305575A JP S5218120 A JPS5218120 A JP S5218120A
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- interface circuit
- circuit
- simplify
- exchange
- 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.)
- Granted
Links
Abstract
PURPOSE: In order to simplify the application of electronic circuit to TV telephone, through the circuit placement so as to effectively utilize a switch, in the interface circuit which reciprocally connects TV telephone with the exchange.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9305575A JPS5218120A (en) | 1975-08-01 | 1975-08-01 | Interface circuit of tv telephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9305575A JPS5218120A (en) | 1975-08-01 | 1975-08-01 | Interface circuit of tv telephone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5218120A true JPS5218120A (en) | 1977-02-10 |
JPS5645474B2 JPS5645474B2 (en) | 1981-10-26 |
Family
ID=14071811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9305575A Granted JPS5218120A (en) | 1975-08-01 | 1975-08-01 | Interface circuit of tv telephone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5218120A (en) |
-
1975
- 1975-08-01 JP JP9305575A patent/JPS5218120A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5645474B2 (en) | 1981-10-26 |
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