JPS5413321B2 - - Google Patents
Info
- Publication number
- JPS5413321B2 JPS5413321B2 JP12275875A JP12275875A JPS5413321B2 JP S5413321 B2 JPS5413321 B2 JP S5413321B2 JP 12275875 A JP12275875 A JP 12275875A JP 12275875 A JP12275875 A JP 12275875A JP S5413321 B2 JPS5413321 B2 JP S5413321B2
- 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
- H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12275875A JPS5246704A (en) | 1975-10-11 | 1975-10-11 | Push-button dial featuring transmissin preventing function for specifi ed number |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12275875A JPS5246704A (en) | 1975-10-11 | 1975-10-11 | Push-button dial featuring transmissin preventing function for specifi ed number |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5246704A JPS5246704A (en) | 1977-04-13 |
| JPS5413321B2 true JPS5413321B2 (enExample) | 1979-05-30 |
Family
ID=14843874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12275875A Granted JPS5246704A (en) | 1975-10-11 | 1975-10-11 | Push-button dial featuring transmissin preventing function for specifi ed number |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5246704A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5463605A (en) * | 1977-10-31 | 1979-05-22 | Tamura Electric Works Ltd | Pushhbutton dial telephone set |
-
1975
- 1975-10-11 JP JP12275875A patent/JPS5246704A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5246704A (en) | 1977-04-13 |