(19)
(11) EP 2 402 920 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.01.2017 Bulletin 2017/02

(43) Date of publication A2:
04.01.2012 Bulletin 2012/01

(21) Application number: 11171928.2

(22) Date of filing: 29.06.2011
(51) International Patent Classification (IPC): 
G08B 17/06(2006.01)
G08B 17/103(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 30.06.2010 JP 2010148833

(71) Applicant: Nittan Company, Limited
Tokyo 151-8535 (JP)

(72) Inventors:
  • Yanagisawa, Satoshi
    Shibuya-ku, Tokyo 151-8535 (JP)
  • Akiyama, Nobuyuki
    Shibuya-ku, Tokyo 151-8535 (JP)
  • Numazawa, Takashi
    Shibuya-ku, Tokyo 151-8535 (JP)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)

   


(54) Combined heat and smoke detector


(57) A combined heat and smoke detector is provided. A housing is comprised of a body base and a body case covering an entire upper side of the body base. A circuit substrate is mounted on a top surface of the body base and disposed inside the housing. A smoke detecting portion configured to detect smoke flowing into a dark chamber and a plurality of heat detecting means for detecting heat are disposed inside the housing. The heat detecting means are arranged lateral to the dark chamber.







Search report












Search report