JPS6489889A - User's termination system - Google Patents
User's termination systemInfo
- Publication number
- JPS6489889A JPS6489889A JP24678187A JP24678187A JPS6489889A JP S6489889 A JPS6489889 A JP S6489889A JP 24678187 A JP24678187 A JP 24678187A JP 24678187 A JP24678187 A JP 24678187A JP S6489889 A JPS6489889 A JP S6489889A
- Authority
- JP
- Japan
- Prior art keywords
- group
- sub
- telephones
- address
- call
- 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 realize the call of telephones all at once every group by constituting the sub-address of each apparatus a hierarchical structure every call group. CONSTITUTION:The eight telephones T1-T8 are divided to the three layers structure of the small group (g11), (g12), (g21) and (g22) and the big group G1 and G2. The sub-addresses are added to these group and a memory means 10 storing the sub-address are provided to the respective telephones. Besides, a comparison means 20 successively comparing the sub-address information of a call signal inputted through an external connection bus, an user's termination device 1 and a bus 2 and the sub-address information of the respective telephones and a control means constituted to make the telephone of the selected group to answer when the comparison by the comparison means is finished are provided. Thus only the apparatus belonging to the prescribed group can be called among the plural apparatus.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24678187A JPS6489889A (en) | 1987-09-30 | 1987-09-30 | User's termination system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24678187A JPS6489889A (en) | 1987-09-30 | 1987-09-30 | User's termination system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6489889A true JPS6489889A (en) | 1989-04-05 |
Family
ID=17153567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24678187A Pending JPS6489889A (en) | 1987-09-30 | 1987-09-30 | User's termination system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6489889A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992019063A1 (en) * | 1991-04-18 | 1992-10-29 | Harris Corporation | Method and system of combining signals in a telephone conference circuit |
US5187052A (en) * | 1987-04-08 | 1993-02-16 | Hitachi, Ltd. | Optical recording medium |
US6268107B1 (en) * | 1985-09-25 | 2001-07-31 | Matsushita Electric Industrial Co., Ltd. | Reversible optical information-recording medium |
-
1987
- 1987-09-30 JP JP24678187A patent/JPS6489889A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6268107B1 (en) * | 1985-09-25 | 2001-07-31 | Matsushita Electric Industrial Co., Ltd. | Reversible optical information-recording medium |
USRE42222E1 (en) * | 1985-09-25 | 2011-03-15 | Matsushita Electronic Industrial Co., Ltd. | Reversible optival information-recording medium |
US5187052A (en) * | 1987-04-08 | 1993-02-16 | Hitachi, Ltd. | Optical recording medium |
WO1992019063A1 (en) * | 1991-04-18 | 1992-10-29 | Harris Corporation | Method and system of combining signals in a telephone conference circuit |
US5212726A (en) * | 1991-04-18 | 1993-05-18 | Harris Corporation | Method of combining signals in a telephone conference circuit |
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