JPS572221B2 - - Google Patents
Info
- Publication number
- JPS572221B2 JPS572221B2 JP4942375A JP4942375A JPS572221B2 JP S572221 B2 JPS572221 B2 JP S572221B2 JP 4942375 A JP4942375 A JP 4942375A JP 4942375 A JP4942375 A JP 4942375A JP S572221 B2 JPS572221 B2 JP S572221B2
- 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
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
- H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4942375A JPS51124302A (en) | 1975-04-23 | 1975-04-23 | Method of displaying calling subscriber's numbers and display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4942375A JPS51124302A (en) | 1975-04-23 | 1975-04-23 | Method of displaying calling subscriber's numbers and display device |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13904380A Division JPS5660152A (en) | 1980-10-04 | 1980-10-04 | Telephone number display unit serving as electronic desk- top calculator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51124302A JPS51124302A (en) | 1976-10-29 |
JPS572221B2 true JPS572221B2 (ja) | 1982-01-14 |
Family
ID=12830661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4942375A Granted JPS51124302A (en) | 1975-04-23 | 1975-04-23 | Method of displaying calling subscriber's numbers and display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51124302A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52132614A (en) * | 1976-04-28 | 1977-11-07 | Takayuki Funatsu | Method of indicating outgoing telephone code at incoming telephone side |
JPS5866455A (ja) * | 1981-10-16 | 1983-04-20 | Hitachi Ltd | 選拓的着信規制方式 |
-
1975
- 1975-04-23 JP JP4942375A patent/JPS51124302A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS51124302A (en) | 1976-10-29 |