In 1992 Hitachi announced the with me BF-20L, a laptop-sized personal word processor with a 640 x 400 pixel LCD screen and a built-in printer
- (1)A compact laptop with a large, bright screen
- (a backlit, monochrome LCD, 640 x 400 pixels, 70 candela)
- (2)Standard equipped with a Japanese, English-Japanese, and Japanese-English dictionary compiled by Gakken
- (3)Supported functions that made it easy to create forms that would print exactly on manuscript or report paper
- (4)Support for documents as big as 30,000 characters long
- (5)Standard equipped with a personal name, place name, and postal code dictionary
- (~66,000-word dictionary with ~8,000 surnames, ~7,000 first names, and all prefectural, municipality, town, and village names in Japan)
- (6)Able to print banners using the magnified character print function
- (7)Lessons for word processing certificates, and 64 sample problems from the Japan Chamber of Commerce and Industry word processing exam
- (8)Modeless character-entry method that automatically recognized input mistakes
- (9)Standard address book system
- (10)Standard support for MS-DOS file conversion
- (11)Two stylish colors: harmony grey and harmony yellow
Input device | Keyboard | JIS standard (with an additional 10 keys) | ||
---|---|---|---|---|
Display device | Screen | Backlit, monochrome LCD 640 x 400 pixels | ||
Display size | 40 characters x 21 lines (four lines reserved for system use) | |||
Character size | 16 x 16 pixels | |||
Storage devices | Drive | One 3.5-inch floppy drive (1.6 MB) | ||
Capacity | Compatibility Level 1: ~250 pages/disk (850 characters/page, A4) Compatibility Level 2: ~180 pages/disk (850 characters/page, A4) | |||
Printer | Print process | Thermal transfer | ||
Typefaces | Mincho | Mouhitsu | Gothic | |
Print head | 48×48 dots | |||
Character sizes | ~8 points, ~10.5 points, ~13 points | |||
Print speed | 35 characters/sec., 70 characters/sec. (48 x 48 dot characters) | |||
Paper sizes | Plain paper sizes (A4, A5, B4, B5), manuscript paper sizes (B4, A5), prepaid postcard size, refill paper size, custom size | |||
External dimensions [mm] and weight | 338 x 331 x 78 (w x d x h), ~4 kg | |||
Power supply | 100 ± 10 VAC, 25 W max. / 8 W standby, 50/60 Hz |