JPS55117429A - Safety circuit for telephone subscriber - Google Patents
Safety circuit for telephone subscriberInfo
- Publication number
- JPS55117429A JPS55117429A JP2307379A JP2307379A JPS55117429A JP S55117429 A JPS55117429 A JP S55117429A JP 2307379 A JP2307379 A JP 2307379A JP 2307379 A JP2307379 A JP 2307379A JP S55117429 A JPS55117429 A JP S55117429A
- Authority
- JP
- Japan
- Prior art keywords
- safety circuit
- telephone subscriber
- subscriber
- telephone
- safety
- 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
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2307379A JPS55117429A (en) | 1979-02-28 | 1979-02-28 | Safety circuit for telephone subscriber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2307379A JPS55117429A (en) | 1979-02-28 | 1979-02-28 | Safety circuit for telephone subscriber |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55117429A true JPS55117429A (en) | 1980-09-09 |
Family
ID=12100219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2307379A Pending JPS55117429A (en) | 1979-02-28 | 1979-02-28 | Safety circuit for telephone subscriber |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55117429A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5778322A (en) * | 1980-10-31 | 1982-05-17 | Nippon Telegraph & Telephone | Safety circuit for telephone subscriber |
WO2005093923A1 (en) * | 2004-03-26 | 2005-10-06 | Otowa Electric Co. Ltd. | Surge absorber and surge absorbing circuit |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4926727A (en) * | 1972-07-05 | 1974-03-09 | ||
JPS4929915A (en) * | 1972-07-19 | 1974-03-16 |
-
1979
- 1979-02-28 JP JP2307379A patent/JPS55117429A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4926727A (en) * | 1972-07-05 | 1974-03-09 | ||
JPS4929915A (en) * | 1972-07-19 | 1974-03-16 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5778322A (en) * | 1980-10-31 | 1982-05-17 | Nippon Telegraph & Telephone | Safety circuit for telephone subscriber |
JPS6258221B2 (en) * | 1980-10-31 | 1987-12-04 | Nippon Denshin Denwa Kk | |
WO2005093923A1 (en) * | 2004-03-26 | 2005-10-06 | Otowa Electric Co. Ltd. | Surge absorber and surge absorbing circuit |
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