JPS5660152A - Telephone number display unit serving as electronic desk- top calculator - Google Patents
Telephone number display unit serving as electronic desk- top calculatorInfo
- Publication number
- JPS5660152A JPS5660152A JP13904380A JP13904380A JPS5660152A JP S5660152 A JPS5660152 A JP S5660152A JP 13904380 A JP13904380 A JP 13904380A JP 13904380 A JP13904380 A JP 13904380A JP S5660152 A JPS5660152 A JP S5660152A
- Authority
- JP
- Japan
- Prior art keywords
- subscriber
- calling
- display unit
- called
- transmitter
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
- H04M1/573—Line monitoring circuits for detecting caller identification
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Calculators And Similar Devices (AREA)
Abstract
PURPOSE:To enable a called subscriber to know a calling-subscriber's number before answering by sending a call signal to a called-subscriber's telephone set and also by displaying the calling-subscriber's telephone number on a display unit for an electronic desk-top calculator provided to the telephone set. CONSTITUTION:The manual switching unit is provided with calling-subscriber's number transmitter H-3 and through the operation of key K-2, the unit is supplied with electric power to put transmitter H-3 into operation. Then, the output signal of transmitter H-3 is sent to calling jack terminals T and R. The operator, when receiving a call signal from a calling subscriber, knows the calling-subscriber's number on magnet type calling-subscriber's number display unit H-2 and supplies the subscriber's number, stored in the endless tape in transmitter H-2, to calling terminal TR. Then, the operator sends the call signal to the called-subscriber's telephone set and also displays the calling-subscriber's number on the display unit for the electronic desk-top calculator arranged on the called-subscriber's telephone set. Thus, the called subscriber can know the calling-subscriber's number before answering.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13904380A JPS5660152A (en) | 1980-10-04 | 1980-10-04 | Telephone number display unit serving as electronic desk- top calculator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13904380A JPS5660152A (en) | 1980-10-04 | 1980-10-04 | Telephone number display unit serving as electronic desk- top calculator |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4942375A Division JPS51124302A (en) | 1975-04-23 | 1975-04-23 | Method of displaying calling subscriber's numbers and display device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5660152A true JPS5660152A (en) | 1981-05-23 |
JPS6144431B2 JPS6144431B2 (en) | 1986-10-02 |
Family
ID=15236116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13904380A Granted JPS5660152A (en) | 1980-10-04 | 1980-10-04 | Telephone number display unit serving as electronic desk- top calculator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5660152A (en) |
-
1980
- 1980-10-04 JP JP13904380A patent/JPS5660152A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6144431B2 (en) | 1986-10-02 |
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