(19)
(11) EP 0 918 344 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.04.2000 Bulletin 2000/17

(43) Date of publication A2:
26.05.1999 Bulletin 1999/21

(21) Application number: 98308678.6

(22) Date of filing: 23.10.1998
(51) International Patent Classification (IPC)7H01H 25/00
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 20.11.1997 JP 31945897
05.08.1998 JP 22165498

(71) Applicant: ALPS ELECTRIC CO., LTD.
Ota-ku Tokyo 145 (JP)

(72) Inventors:
  • Kawase, Tatsuaki
    Furukawa-shi, Miyagi-ken (JP)
  • Kuroda, Yoshimasa
    Furukawa-shi, Miyagi-ken (JP)

(74) Representative: Kensett, John Hinton 
Saunders & Dolleymore, 9 Rickmansworth Road
Watford, Hertfordshire WD1 7HE
Watford, Hertfordshire WD1 7HE (GB)

   


(54) Switch device and electronic devices using the switch device


(57) According to the construction of the switch device of the present invention, spring means (5) are used, as both a return spring for an operating member (6) and a movable contact, the operating member being for operating a switch portion (S1) and a push switch. Consequently, the switch device of the present invention is smaller in the number of components used, less expensive and superior in productivity as compared with the conventional switch device.







Search report