Portable securities selector system
First Claim
1. A portable pocketsized securities selector unit for enabling bidirectional communication relating to securities pricing information and desired transactions with a central computer via conventional telephone lines, said securities selector unit comprising:
- a housing;
a keyboard having a plurality of alpha character keys, digit keys and functions keys;
processing means responsive to the actuation of said keys for generating information signals corresponding thereto;
first means for converting said information signals to signals conformable with said telephone lines;
second means responsive to incoming signals from said telephone lines for converting said incoming signals to electrical signals; and
means for displaying said information signals and said electrical signals.
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Accused Products
Abstract
A system for enabling securities information to be elicited and transactions to be automatically executed by an investor from a conventional telephone. A portable pocketsized data terminal having a keyboard, a display and status indicator lamps includes an acoustic coupler device for removable attachment to a telephone handset. A centralized computer receives information signals originating with the portable data terminal and specifying information or transaction execution requests, and transmits appropriate responses to the portable data terminal for display. Several levels of security are provided in the system.
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Citations
13 Claims
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1. A portable pocketsized securities selector unit for enabling bidirectional communication relating to securities pricing information and desired transactions with a central computer via conventional telephone lines, said securities selector unit comprising:
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a housing; a keyboard having a plurality of alpha character keys, digit keys and functions keys; processing means responsive to the actuation of said keys for generating information signals corresponding thereto; first means for converting said information signals to signals conformable with said telephone lines; second means responsive to incoming signals from said telephone lines for converting said incoming signals to electrical signals; and means for displaying said information signals and said electrical signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A portable handheld securities selector unit for use with an information transmission system in which securities pricing information may be elicited and securities transactions may be effected via a telephone, said unit comprising:
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a housing having first and second laterally spaced, elongated generally cylindrical coupler portions joined by an integral web portion having an obverse surface facing generally away from said coupler portions and a reverse surface facing generally toward said coupler portions, said first and second coupler portions having a configuration adapted to receive respectively the transmitter and receiver portions of a telephone handset; a keyboard mounted on said obverse surface of said web portion of said housing and having a plurality of alpha character keys, digit keys and function keys; and display means mounted on said obverse surface adjacent said keyboard for enabling display of said securities pricing information and information relating to said securities transactions. - View Dependent Claims (11, 12, 13)
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Specification