JPS6451793A - Telephone system - Google Patents
Telephone systemInfo
- Publication number
- JPS6451793A JPS6451793A JP20825487A JP20825487A JPS6451793A JP S6451793 A JPS6451793 A JP S6451793A JP 20825487 A JP20825487 A JP 20825487A JP 20825487 A JP20825487 A JP 20825487A JP S6451793 A JPS6451793 A JP S6451793A
- Authority
- JP
- Japan
- Prior art keywords
- input
- invalid
- valid
- main control
- control device
- 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.)
- Pending
Links
Abstract
PURPOSE:To prevent the key input data of an invalid input from being transmitted to a main control device side, and to lighten the load of the main control device by indicating keys, now being valid for an input, on a telephone set. CONSTITUTION:When a power source is applied to the telephone set 1, such initial processing that information to invalidate the input of all the functional keys of a key board 16 is written in a memory 13 and all the lamps of a display part 17 are put out, is performed. Next, when functional key valid/invalid instructing information from a main control device 30 is received, a state table in the memory 13 is updated according to a received instruction state, and afterward, display corresponding to all the functional keys of the display part 17 is lighted when the corresponding data of the state table is ON and the input is valid, and when OFF and invalid, the display is put out.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20825487A JPS6451793A (en) | 1987-08-24 | 1987-08-24 | Telephone system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20825487A JPS6451793A (en) | 1987-08-24 | 1987-08-24 | Telephone system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6451793A true JPS6451793A (en) | 1989-02-28 |
Family
ID=16553201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20825487A Pending JPS6451793A (en) | 1987-08-24 | 1987-08-24 | Telephone system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6451793A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001025945A1 (en) * | 1999-10-05 | 2001-04-12 | Kabushiki Kaisha Kenwood | Mobile communication terminal |
JP2002237878A (en) * | 2000-12-21 | 2002-08-23 | Nokia Corp | Communication unit having internally changeable element |
JP2016134743A (en) * | 2015-01-19 | 2016-07-25 | 株式会社日立国際八木ソリューションズ | Private wireless system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61181296A (en) * | 1985-02-06 | 1986-08-13 | Nec Corp | Key telephone set |
-
1987
- 1987-08-24 JP JP20825487A patent/JPS6451793A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61181296A (en) * | 1985-02-06 | 1986-08-13 | Nec Corp | Key telephone set |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001025945A1 (en) * | 1999-10-05 | 2001-04-12 | Kabushiki Kaisha Kenwood | Mobile communication terminal |
JP2002237878A (en) * | 2000-12-21 | 2002-08-23 | Nokia Corp | Communication unit having internally changeable element |
US7397413B2 (en) | 2000-12-21 | 2008-07-08 | Nokia Corporation | Communication unit provided with intra-changeable elements |
JP2016134743A (en) * | 2015-01-19 | 2016-07-25 | 株式会社日立国際八木ソリューションズ | Private wireless system |
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