JPS6462032A - Automatic equalizer - Google Patents
Automatic equalizerInfo
- Publication number
- JPS6462032A JPS6462032A JP21789187A JP21789187A JPS6462032A JP S6462032 A JPS6462032 A JP S6462032A JP 21789187 A JP21789187 A JP 21789187A JP 21789187 A JP21789187 A JP 21789187A JP S6462032 A JPS6462032 A JP S6462032A
- Authority
- JP
- Japan
- Prior art keywords
- equalizing
- tap gain
- stored
- time
- plural
- 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
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
PURPOSE:To speed up equalizing processing and to improve equalizing speed by providing a means setting preset in advance to each tap gain at the time of starting equalization and a means selecting the setting value of the tap gain set at the time of starting equalization from plural preset values. CONSTITUTION:An initial tap gain at the time of equalizing is stored in a ROM 162 or a RAM 163 and the initial tap gain is set to apply equalization of the characteristic inverse to that of the transmission line having the number of links in average. Moreover, plural patterns of tap gains corresponding to inverse characteristics of not only one but plural number of transmission lines are stored in a memory as a preset value. The stored preset value of the tap gain is used selectively by using a selector switch 165 connected to a CPU 164 via an input/output port or the like. Thus, nearly the same effect as the provision of a conventional pre-equalizer is obtained and a high speed equalizing processing is made possible with simple and inexpensive constitution, and the equalizing is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21789187A JPS6462032A (en) | 1987-09-02 | 1987-09-02 | Automatic equalizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21789187A JPS6462032A (en) | 1987-09-02 | 1987-09-02 | Automatic equalizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6462032A true JPS6462032A (en) | 1989-03-08 |
Family
ID=16711383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21789187A Pending JPS6462032A (en) | 1987-09-02 | 1987-09-02 | Automatic equalizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6462032A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02277323A (en) * | 1989-04-19 | 1990-11-13 | Hitachi Terekomu Technol:Kk | Control system for automatic equalizer |
| JPH0422226A (en) * | 1990-05-16 | 1992-01-27 | Matsushita Electric Ind Co Ltd | Demodulating device |
| JPH0447807A (en) * | 1990-06-15 | 1992-02-18 | Nec Corp | Adaptive equalizer |
| US5232755A (en) * | 1990-09-14 | 1993-08-03 | Toppan Printing Co., Ltd. | Laminated tube container |
| US5314561A (en) * | 1990-09-14 | 1994-05-24 | Toppan Printing Co., Ltd. | Method of preparing laminated packaging material |
| US9824536B2 (en) | 2011-09-30 | 2017-11-21 | Igt | Gaming system, gaming device and method for utilizing mobile devices at a gaming establishment |
-
1987
- 1987-09-02 JP JP21789187A patent/JPS6462032A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02277323A (en) * | 1989-04-19 | 1990-11-13 | Hitachi Terekomu Technol:Kk | Control system for automatic equalizer |
| JPH0422226A (en) * | 1990-05-16 | 1992-01-27 | Matsushita Electric Ind Co Ltd | Demodulating device |
| JPH0447807A (en) * | 1990-06-15 | 1992-02-18 | Nec Corp | Adaptive equalizer |
| US5232755A (en) * | 1990-09-14 | 1993-08-03 | Toppan Printing Co., Ltd. | Laminated tube container |
| US5314561A (en) * | 1990-09-14 | 1994-05-24 | Toppan Printing Co., Ltd. | Method of preparing laminated packaging material |
| US5612106A (en) * | 1990-09-14 | 1997-03-18 | Toppan Printing Co, Ltd. | Laminated tube container |
| US9824536B2 (en) | 2011-09-30 | 2017-11-21 | Igt | Gaming system, gaming device and method for utilizing mobile devices at a gaming establishment |
| US10515513B2 (en) | 2011-09-30 | 2019-12-24 | Igt | Gaming system, gaming device and method for utilizing mobile devices at a gaming establishment |
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