Title:
携帯情報端末
Document Type and Number:
Japanese Patent JP4450092
Kind Code:
B2
Abstract:
An input device is provided, which comprises an operation key surface including a plurality of operation keys, said operation keys being assigned with a predetermined operation respectively, and said input device, in response to an operation to each of said operation keys, carrying out the predetermined operation that is assigned to said operation key that is operated. The input device comprises a sensor that detects a direction of said operation key surface, and a control section that changes the assignment of the operations associated with said operation keys in response to an input signal from said sensor. The sensor detects whether the direction of said operation key surface is a first-direction in which the operation key surface is seen by a user or a second direction in which the operation key surface is not seen by the user, and the control section changes the assignment of the operations associated with said operation keys in response to whether said direction of said operation key surface is said first direction or said second direction.
Inventors:
Takayuki Oga
Application Number:
JP2008119760A
Publication Date:
April 14, 2010
Filing Date:
May 01, 2008
Export Citation:
Assignee:
NEC
International Classes:
G06F1/16; G06F3/02; G06F3/023; H04M1/00; H04M1/23
Domestic Patent References:
| JP2003115910A | ||||
| JP2000122635A | ||||
| JP11196397A | ||||
| JP10301695A | ||||
| JP7295720A | ||||
| JP2001147775A | ||||
| JP2004135340A | ||||
| JP2004527840A | ||||
| JP11317799A |
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Masaaki Ogata
Ishibashi Masayuki
Masaaki Ogata