JPS5725787A - Control system of channel during service interruption - Google Patents
Control system of channel during service interruptionInfo
- Publication number
- JPS5725787A JPS5725787A JP9939080A JP9939080A JPS5725787A JP S5725787 A JPS5725787 A JP S5725787A JP 9939080 A JP9939080 A JP 9939080A JP 9939080 A JP9939080 A JP 9939080A JP S5725787 A JPS5725787 A JP S5725787A
- Authority
- JP
- Japan
- Prior art keywords
- service interruption
- circuit
- telephone
- call
- given
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9939080A JPS5725787A (en) | 1980-07-22 | 1980-07-22 | Control system of channel during service interruption |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9939080A JPS5725787A (en) | 1980-07-22 | 1980-07-22 | Control system of channel during service interruption |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5725787A true JPS5725787A (en) | 1982-02-10 |
JPS6147037B2 JPS6147037B2 (ja) | 1986-10-17 |
Family
ID=14246164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9939080A Granted JPS5725787A (en) | 1980-07-22 | 1980-07-22 | Control system of channel during service interruption |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5725787A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62243816A (ja) * | 1986-04-17 | 1987-10-24 | 月島産業株式会社 | 温冷ヘルメツト装置 |
JPH0269935U (ja) * | 1988-11-12 | 1990-05-28 | ||
JPH03294505A (ja) * | 1990-04-06 | 1991-12-25 | Toshio Kojima | 冷却装置を具えた安全帽 |
-
1980
- 1980-07-22 JP JP9939080A patent/JPS5725787A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6147037B2 (ja) | 1986-10-17 |
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