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Data transmitting equipment
| Details |
Inventors: Takayama, Akira; Koikeda, Tsuneyuki;
Assignee: Yamaha Corporation (JP)
Primary Examiner: Cangialosi; Salvatore
Assistant Examiner:
Attorney, Agent or Firm: Scully, Scott, Murphy & Presser
A data transmitting equipment transmitting data between a desired remote equipment connected via communication line, comprising password setting means, communication control means and status display means. The password set by a user is stored in the password setting means. Transmission control means compare said password with a set password in a remote equipment, allow said data transmitting of said data if both passwords are consistent, delete said set password when said transmitting ended. If the password of the password setting means is not deleted, status display means show that said password remains in the password setting means. According to the above mentioned present invention the password is automatically deleted after the end of the data transmission, and moreover the set password is never displayed during or after use. Accordingly, an exposure of the password to a third party is prevented. Because the status of whether or not a password was set is displayed, as the need arises the user may reset the password as described above. Though the set password itself is not displayed, this is no impediment for the setting operation of the password. |
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DETAILED DESCRIPTION What is claimed is: 1.
Data transmission equipment for transmitting data between a local equipment and a remote equipment connected via communication lines, said data transmission equipment comprising: a) password setting means for storing a first password set by a user at the local site; b) communication control means for comparing said first password and a second password set in the remote equipment, and permitting transmission of said data when both passwords are identical, said communication control means deleting said first password when said data transmission is ended; and c) display means for displaying a status which indicates when said first password is not deleted and remain in said password setting means, and said display means displaying said first password only when said first password is first set by a user at the local site and not thereafter.
2.
Data transmission equipment according to claim 1, further comprising: a) schedule memory means for storing schedule information containing a dial number and an optional password for each equipment at the remote site; b) line control means for controlling a connection of a communication line to a remote equipment according to said schedule information; and c) wherein said transmission control means compares a second password of said remote equipment connected by a communication line and a first password contained in the schedule information which corresponds to said remote equipment, and transmits data to said remote equipment when both passwords are identical, and said communication control means deletes the password contained in said set schedule information when said data transmission ends.
3.
Data transmission equipment according to claim 1: a) wherein said password setting means stores the first password used for each call received from equipment among a group of remote equipments which have requested transmission of data from the local station; and b) wherein said communication control means which is in said remote equipment compares a second password stored in a remote equipment connected by a communication line and a first password stored by means of said password setting means, and transmits data when the first and second passwords are identical, and deletes said first password when the data transmission ends to all the remote equipments for which this password is used
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