Human Factors (HF); Telephone Prepayment Cards; Tactile Identifier
人为因素(HF);电话预付卡;触觉识别器
发布日期:
1997-07-01
标准化一个通用触觉标识符,以提高所有用户,尤其是盲人和视力受损者的电话预付卡的可用性。
To standardize one common tactile identifier to improve the usability of telephone prepayment cards for all users, especially blind and visually impaired people.