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Patent Searching and Data


Title:
WATCH TYPE PERSONAL DIGITAL ASSISTANT AND PORTABLE COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP2008053980
Kind Code:
A
Abstract:

To provide a watch easy to see and improved in operability while attaining miniaturization.

An operation part 15 has operation keys such as number keys projected and arranged annularly on the peripheral side surface of a casing. In the case of performing dial input operation etc., while a watch type cellular phone set is mounted by winding a wrist band for mounting on the wrist of one hand, the front end of each operation key is pressed toward the center of a casing 5 with a finger of the other hand. In another manner, by inserting an operation key to be operated and the peripheral side surface on the opposite side to apply pressing force, the pressing force is surely transmitted to the operation key to be operated.


Inventors:
OKU MASARU
Application Number:
JP2006000227236
Publication Date:
March 06, 2008
Filing Date:
August 23, 2006
Export Citation:
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Assignee:
NEC CORP
International Classes:
H04M1/02; H04M1/03; H04R1/10
Domestic Patent References:
JP2001267946A2001-09-28
JP2002125256A2002-04-26
JPH0868871A1996-03-12
JPH11313136A1999-11-09
JP2000059480A2000-02-25
JP2003101625A2003-04-04
Foreign References:
WO1998005148A11998-02-05
Attorney, Agent or Firm:
西村 征生