Display providing reversible contrasting indicia

Details Display providing reversible contrasting indicia Display providing reversible contrasting indicia

1995-10-10

1998-01-20

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

34081545, 34081578, 34081542, 34082544, 348712, 348713, 4551581, 1162501, 1162567, 116298, 116318, 362 23, 362 24, 362 27, 362 29, H04B 138, H03J 102, H03J 104

Patent

active

057105456

ABSTRACT:
A display (100) provides reversible contrasting indicia (112, 114) in order to accommodate an increased number of easily distinguishable indicia on the display. The display provides a first contrast mode (200) in which one set of indicia (112) become visually more prominent than another set (114) and a second contrast mode (300) in which the contrast of the first contrast mode is reversed. Selecting between the first and second contrast modes (200, 300) is controlled by backlighting of the display (100).

REFERENCES:
patent: 2738758 (1956-03-01), Cutler et al.
patent: 3750619 (1973-08-01), Yamamura
patent: 3857361 (1974-12-01), Gibson et al.
patent: 5159706 (1992-10-01), Hodsdon
Brochure, MTS 2000.TM. Model I Flashport.TM. Portable Radios Operating Instructions--Basic Radio Operation, 68P81O72C15-C, Motorola, Inc., Radio Products Group, 8000 West Sunrise Boulevard, Ft. Lauderdale, Florida 33322, pp. 16 and 17, 1992, 1993, 1995, no month.
Service Manual, Saber Series "Securenet, Handie-Talkie" Portable Radios 403-512 MHZ, Service Manual 68P81045C75-O, p. 4, 1988 Motorola, Inc., Portable Products Division, 8000 W. Sunrise Blvd, Ft. Lauderdale, Florida 33322 Feb. 1988, no month.

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