0651544-A2 is referenced by 69 patents and cites 7 patents.

A handheld, mobile personal communicator 10 has a user interface comprising a touchscreen display 28. The communicator 10 also has an editing function. In an editor mode, a first screen 150 is displayed containing a limited data entry area 152 and a full keyboard 156. By selecting a predetermined key, the screen is changed to second screen 160 having an enlarged data display area and a collapsed keyboard having a single line of keys. The first screen 150 can be restored by selecting a predetermined key. The enlarged data display area 162 shows more lines of text and allows a user to readily select different portions of the document being edited.

Title
Personal communicator having a touch sensitive contol panel.
Application Number
EP19940307982 19941028
Publication Number
0651544 (A2)
Application Date
October 28, 1994
Publication Date
May 3, 1995
Inventor
Wulf James Christian
US
Villafana William
US
Lewis James Robert
US
Lanier Charles Sterling
US
Johnson Debra Ann Gawne
US
Canova Francis James Jr
US
Allard David Joseph
US
Assignee
Ibm
US
IPC
H04M 01/274
H04M 01/00
H04Q 07/38
H04Q 07/32
H04M 11/06
H04M 01/72
H04M 01/274
H04M 01/247
H04M 01/02
H04B 01/38
G06F 03/048
G06F 03/041
G06F 03/033
G06F 15/02
H04Q 07/38
H04Q 07/32
H04M 11/06
H04M 01/725
H04M 01/2745
H04M 01/247
H04M 01/02
H04B 01/38
G06F 03/048
G06F 03/041
G06F 03/033
G06F 15/02
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