EP 0772166 A1 19970507 - A system for monitoring a multiplicity of doors
Title (en)
A system for monitoring a multiplicity of doors
Title (de)
Überwachungssystem für eine Vielzahl von Türen
Title (fr)
Système pour surveiller une multiplicité de portes
Publication
Application
Priority
EP 95202914 A 19951027
Abstract (en)
A system for monitoring a multiplicity of doors including at least one optical transceiver mounted on each of the multiplicity of doors and communications apparatus for communicating with each of the multiplicity of doors thereby to verify their position. <IMAGE>
IPC 1-7
IPC 8 full level
E05G 1/08 (2006.01); G07F 17/12 (2006.01)
CPC (source: EP US)
E05G 1/08 (2013.01 - EP); G07F 17/12 (2013.01 - EP US)
Citation (applicant)
- US 3816745 A 19740611 - PRIMM R, et al
- US 3875403 A 19750401 - SVENSSON LARS ERIK
- US 3987428 A 19761019 - TODESCHINI DAVID JOHN
- US 4266124 A 19810505 - WEBER DANIEL R, et al
- US 4319332 A 19820309 - MEHNERT WALTER
- US 4324977 A 19820413 - BRAUER MALCOLM M
- US 4390867 A 19830628 - QUEREN JAMES [US]
- US 4583082 A 19860415 - NAYLOR MARK C [US]
- US 4650990 A 19870317 - JOENSSON NILS [SE]
- US 4742337 A 19880503 - HAAG GUEENTER [DE]
- US 4812810 A 19890314 - QUERY DANIEL S [US], et al
- US 4841283 A 19890620 - BUBLIEWICZ LESZEK [US]
- US 4903009 A 19900220 - D AMBROSIA GEORGE C [US], et al
- US 4965551 A 19901023 - BOX RICHARD
- US 5015840 A 19910514 - BLAU DAVID [US]
- US 5063288 A 19911105 - HSU CHI-HSUEH [TW], et al
- US 5111184 A 19920505 - HEATON HARLEY L [US], et al
- US 5134386 A 19920728 - SWANIC ANTHONY [US]
- US 5138299 A 19920811 - PATTEN JAMES F [US], et al
Citation (search report)
- [A] FR 2526474 A1 19831110 - MULLER HENRI [FR]
- [A] US 5198799 A 19930330 - PASCALE DANNY [CA]
- [A] GB 2253727 A 19920916 - KEATING TERRENCE JOHN, et al
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0772166 A1 19970507; EP 0772166 B1 19990120; EP 0772166 B2 20030212; AT E176070 T1 19990215; DE 69507485 D1 19990304; DE 69507485 T2 19990902; DE 69507485 T3 20031218; ES 2130519 T3 19990701; ES 2130519 T5 20031016; HK 1010001 A1 19990611
DOCDB simple family (application)
EP 95202914 A 19951027; AT 95202914 T 19951027; DE 69507485 T 19951027; ES 95202914 T 19951027; HK 98110605 A 19980911