Title:
SWITCHING UNIT PROVIDED WITH SINGLE KEY HAVING PLURAL SWITCHING FUNCTIONS
Document Type and Number:
Japanese Patent JP3043949
Kind Code:
B2
Abstract:
PURPOSE: To provide a switching unit in which plural switch operations can be performed by a single key, and in which a key can be decided extremely speedily by selecting switches of specific constitution.
CONSTITUTION: A device is provided with a single key 5, a substrate 21 in which a printed pattern is formed, a first switch means (rubber contact group 19B, 19D) for getting a fixed contact in contact with/apart from a movable contact by push and release of the key 5, and a second switching means (tact switch 23), either one of these switching means is disposed almost at a center position of the key 5, the fixed contacts of both switching means are electrically connected to the specified printed pattern in the board 21, and both switching means are composed as switching mechanisms of different stroke and pressure in such a way that the rubber contact group 19B, 19D functions in the case where the key 5 is moved right or left at slight touch, and that the tact switch 23 functions when the center position of the key 5 is pushed.
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Inventors:
Takeshi Nogo
Application Number:
JP12105194A
Publication Date:
May 22, 2000
Filing Date:
June 02, 1994
Export Citation:
Assignee:
SMK Co., Ltd.
International Classes:
H01H25/04; H01H25/00; H01H25/06; (IPC1-7): H01H25/04
Domestic Patent References:
| JP2109226A | ||||
| JP6366811A | ||||
| JP652757A | ||||
| JP62107330U | ||||
| JP6210341U |
Attorney, Agent or Firm:
Isao Sasaki (1 person outside)