JPH0230235B2 - - Google Patents
Info
- Publication number
- JPH0230235B2 JPH0230235B2 JP56005576A JP557681A JPH0230235B2 JP H0230235 B2 JPH0230235 B2 JP H0230235B2 JP 56005576 A JP56005576 A JP 56005576A JP 557681 A JP557681 A JP 557681A JP H0230235 B2 JPH0230235 B2 JP H0230235B2
- Authority
- JP
- Japan
- Prior art keywords
- destination
- display
- circuit
- telephone
- button
- 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.)
- Expired - Lifetime
Links
- 230000005236 sound signal Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP557681A JPS57119544A (en) | 1981-01-17 | 1981-01-17 | Key telephone set with destination display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP557681A JPS57119544A (en) | 1981-01-17 | 1981-01-17 | Key telephone set with destination display |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57119544A JPS57119544A (en) | 1982-07-26 |
JPH0230235B2 true JPH0230235B2 (de) | 1990-07-05 |
Family
ID=11615042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP557681A Granted JPS57119544A (en) | 1981-01-17 | 1981-01-17 | Key telephone set with destination display |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57119544A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01147994A (ja) * | 1987-12-04 | 1989-06-09 | Tamura Electric Works Ltd | ボタン電話装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55127757A (en) * | 1979-03-26 | 1980-10-02 | Taiko Denki Seisakusho:Kk | Incoming system in night and so on |
-
1981
- 1981-01-17 JP JP557681A patent/JPS57119544A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55127757A (en) * | 1979-03-26 | 1980-10-02 | Taiko Denki Seisakusho:Kk | Incoming system in night and so on |
Also Published As
Publication number | Publication date |
---|---|
JPS57119544A (en) | 1982-07-26 |
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