JPS52146914U - - Google Patents
Info
- Publication number
- JPS52146914U JPS52146914U JP5331676U JP5331676U JPS52146914U JP S52146914 U JPS52146914 U JP S52146914U JP 5331676 U JP5331676 U JP 5331676U JP 5331676 U JP5331676 U JP 5331676U JP S52146914 U JPS52146914 U JP S52146914U
- Authority
- JP
- Japan
- 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
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5331676U JPS52146914U (en) | 1976-04-30 | 1976-04-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5331676U JPS52146914U (en) | 1976-04-30 | 1976-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52146914U true JPS52146914U (en) | 1977-11-08 |
Family
ID=28512366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5331676U Pending JPS52146914U (en) | 1976-04-30 | 1976-04-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52146914U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3772477A (en) * | 1972-07-17 | 1973-11-13 | Bell Telephone Labor Inc | Telephone dial pulse detection circuit |
US3935392A (en) * | 1974-01-17 | 1976-01-27 | Smith Lloyd M | Dial pulse detection method and apparatus |
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1976
- 1976-04-30 JP JP5331676U patent/JPS52146914U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3772477A (en) * | 1972-07-17 | 1973-11-13 | Bell Telephone Labor Inc | Telephone dial pulse detection circuit |
US3935392A (en) * | 1974-01-17 | 1976-01-27 | Smith Lloyd M | Dial pulse detection method and apparatus |