Ball Electronic Display Division TV-90 User Manual

United States Patent [191 Anderson et a1. 4,291,198 Sep. 22, 1981 [1 ll [45] 154] GENERAL-PURPOSE ELECTRONIC TELEPHONE STATION SET [75] [731 [21] [22]

4,291,198 1 GENERAL-PURPOSE ELECTRONIC TELEPHONE STATION SET RELATED APPLICATIONS Ornamental design patent application in the names of D. W. Hagelbarg

4,291,198 3 FIG. 7 illustrates a mechanical interlocking arrange ment for facilitating the assembling of the station set elements into a compact integ

4,291,198 5 associated keys. Accordingly, it has been found to be advantageous in one embodiment to dedicate a key to each such action option type and

4,291,198 7 arranged so that when actuated its armature strikes a solid member, e.g., the station set chassis, to provide an appropriate clicking soun

4,291,198 9 relay contacts DR3 in the handset are opened in the circuit of the transmitter 73 for disabling that circuit during the transmission of di

4,291,198 11 will be recirculated, e.g., to the screen 13 of the same set or when that screen will be employed to display data received from a remote

4,291,198 13 FIG. 7 against the lower tips of bezel 115 to press the bezel and tube 14 toward the left and thereby similarly de?ect the frame 119 suff

4,291,198 15 43 are listed and described in Tables I and II which follow Interactions produced by different combina~ tions of these commands make it p

4,291,198 17 At line 8:0 in Table II, a value of NULL (0), e.g., in a table provided by a new host, indicates that the host does not support this feat

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4,291,198 19 character that is also used for a hard key function used as described in Table II, such a character is handled as earlier described befor

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