Title:
アナログモデムとして、デジタルモデムとして、およびターミナルアダプタとして選択的に動作するデータ通信装置のための装置および方法
Document Type and Number:
Japanese Patent JP3706631
Kind Code:
B2
Abstract:
An apparatus and method for a data communications device to selectively operate in a plurality of analog and digital modes, including as an analog modem, as a digital modem, and as a terminal adapter. The embodiments provide for a single, integrated data communications device to be configured and also subsequently reconfigured to provide for data communications over a variety of networks, including public switched telephone networks and digital networks, including T1, E1 and ISDN. The various embodiments also provide for signal simulation of the various networks, such that the actual coupled network is transparent to a data terminal transferring information through the data communication device to the network.
Inventors:
Blackwell Stephen Earl
Person John Timothy
Fridlin Charles Sea
Person John Timothy
Fridlin Charles Sea
Application Number:
JP52623396A
Publication Date:
October 12, 2005
Filing Date:
January 04, 1996
Export Citation:
Assignee:
Motorola Incorporated
International Classes:
H04L12/28; H04L25/49; H04M3/00; H04L27/00; H04M11/00; H04M11/06; H04Q11/04; (IPC1-7): H04M3/00; H04M11/00
Domestic Patent References:
| JP6152596A | ||||
| JP4196666A | ||||
| JP5327930A | ||||
| JP5030229A | ||||
| JP3123171A | ||||
| JP5207180A | ||||
| JP4271641A |
Attorney, Agent or Firm:
Yoshiaki Ikeuchi