Browse Prior Art Database

Keyboard With One-Line Messages

IP.com Disclosure Number: IPCOM000046460D
Original Publication Date: 1983-Jul-01
Included in the Prior Art Database: 2005-Feb-07
Document File: 4 page(s) / 55K

Publishing Venue

IBM

Related People

Heard, RS: AUTHOR

Abstract

This article discloses a keyboard interface which eliminates all status indicators and almost all outboard and coded keys by means of a menu- driven control based upon a liquid crystal device (LCD) linear display. Fig. 1 illustrates schematically a 40-character LCD display and its relationship in pointing to keys of a keyboard containing fewer key positions than a typical office typewriter. Fig. 2 shows function options with their pointers in the menus which may be invoked by the operator. The keys used to select a function are physically close to the display and are pointed to by painted lines extending from underlined parts of the display to which each pointer refers.

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Keyboard With One-Line Messages

This article discloses a keyboard interface which eliminates all status indicators and almost all outboard and coded keys by means of a menu- driven control based upon a liquid crystal device (LCD) linear display. Fig. 1 illustrates schematically a 40-character LCD display and its relationship in pointing to keys of a keyboard containing fewer key positions than a typical office typewriter. Fig. 2 shows function options with their pointers in the menus which may be invoked by the operator. The keys used to select a function are physically close to the display and are pointed to by painted lines extending from underlined parts of the display to which each pointer refers.

Control of electronic typewriter functions is normally provided by either coded "inboard" keys or by "outboard" keys (which may also be coded). Machine status is indicated to the operator by various means, such as lighted messages. Additional functions usually result in added controls and indicators, to the point that the typical machine may present a bewildering array of keys and lights. In the system dis closed, depression of the MENU key causes the normal text display on the LCD to be replaced by Menu 1 (Fig. 2). Pressing any of the numeric keys 4 through 9 will cause Menu 1 to be replaced in turn by the corresponding one of Menus 4 through 9. In most cases, another depression of one of the keys 4 through 9 will complete the selection of the desired machine state. In a few cases, multiple depressions of a key are required to advance the state of a "ring," with the active state indicated by underscoring. At any point, release of MENU will return the normal text display.

In general, motion controls are active in MENU to facilitate the setting of tabs and margins or positioning on forms. The IND (index) and REV IND (Reverse Index) keys are "programmed" in magnitude by the index ring. Depression of other than a numeric key in Menu 1 can be used to provide coded characters, although such use is intended to be minimized. In the case of store or recall, a subsequent entry (LABEL) is required to identify the desired random-access memory (RAM) segment.

Terms used, where abbreviations, are suggestive of the word or term for the function. Thus, ULINE represents underline. In Menu 1 (Fig. 2), INDX/LNSP represents index and line space, a general suggestion of the function of Menu 4; MAR represents margin; TAB represents the tab or tabulation function; XFER represents transfer; and KBD/FONT represents keyboard and font. In Menu 4, micro represents the capability of the printer of advancing in exceptionally small increments. In Menu 5, SET L and SET R represent the setting of margins left (for L) and right (for R), and LOC (for location) is a three-decimal digit display showing the point of printing or a standard cursor along the print line. The "?" is suggestive of a question, selection of which by the 8 keyboard key results in the display chan...