Title:
ONE-OPERATION BUTTON MECHANISM AND APPLICATION SOFT STARTING METHOD USING THE MECHANISM
Document Type and Number:
Japanese Patent JP3302957
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an one-operation button mechanism eliminating the necessity of a power supply for a keyboard controller, and an application soft starting method using the mechanism.
SOLUTION: A depression signal generated when a false button depression circuit connected by a keyboard scanning line 4 to be a matrix on a keyboard depresses a button A is detected, a prescribed key scanning line 4 is connected to a keyboard controller 1 by outputting a pulse signal synthesized by the circuit 3 on the basis of the depression signal to the line 4, the controller 1 reports a key scanning code corresponding to the prescribed line 4 to master software, and corresponding application software is started by the master software.
Inventors:
Masakazu Umetsu
Application Number:
JP29751599A
Publication Date:
July 15, 2002
Filing Date:
October 19, 1999
Export Citation:
Assignee:
Yonezawa NEC Corporation
International Classes:
G06F1/26; G06F3/023; G06F9/06; H03M11/04; H03M11/22; (IPC1-7): G06F3/023; G06F1/26; H03M11/04; H03M11/22
Domestic Patent References:
| JP2001100896A | ||||
| JP1172134U |
Attorney, Agent or Firm:
Opening Muneaki