JPS57695B2 - - Google Patents
Info
- Publication number
- JPS57695B2 JPS57695B2 JP14967478A JP14967478A JPS57695B2 JP S57695 B2 JPS57695 B2 JP S57695B2 JP 14967478 A JP14967478 A JP 14967478A JP 14967478 A JP14967478 A JP 14967478A JP S57695 B2 JPS57695 B2 JP S57695B2
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H04M1/40—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses wherein the setting-operation short-circuits or open-circuits the transmitting mechanism during a variable part of a cycle
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14967478A JPS5577262A (en) | 1978-12-05 | 1978-12-05 | Detection circuit for improper dialing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14967478A JPS5577262A (en) | 1978-12-05 | 1978-12-05 | Detection circuit for improper dialing |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5577262A JPS5577262A (en) | 1980-06-10 |
JPS57695B2 true JPS57695B2 (enrdf_load_stackoverflow) | 1982-01-07 |
Family
ID=15480343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14967478A Granted JPS5577262A (en) | 1978-12-05 | 1978-12-05 | Detection circuit for improper dialing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5577262A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6283991U (enrdf_load_stackoverflow) * | 1985-11-13 | 1987-05-28 |
-
1978
- 1978-12-05 JP JP14967478A patent/JPS5577262A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6283991U (enrdf_load_stackoverflow) * | 1985-11-13 | 1987-05-28 |
Also Published As
Publication number | Publication date |
---|---|
JPS5577262A (en) | 1980-06-10 |