EP 0698870 A1 19960228 - Resonant sensor
Title (en)
Resonant sensor
Title (de)
Resonanter Sensor
Title (fr)
Detecteur resonnant
Publication
Application
Priority
JP 20104694 A 19940825
Abstract (en)
A resonant sensor of a simple structure for use in an electronic security system, which can increase the reliability of electronic deactivation therefor, is disclosed. The resonant sensor comprises a resonant circuit having an induction coil (30), wherein a conductive piece (50A) is provided on the induction coil through an insulating layer, over a plurality of turns of the induction coil (30). <MATH>
IPC 1-7
IPC 8 full level
G08B 13/24 (2006.01)
CPC (source: EP)
G08B 13/2414 (2013.01); G08B 13/2437 (2013.01); G08B 13/2442 (2013.01)
Citation (applicant)
US 4498076 A 19850205 - LICHTBLAU GEORGE J [US]
Citation (search report)
- [A] GB 2234885 A 19910213 - MONARCH MARKING SYSTEMS INC [US]
- [A] EP 0380426 A1 19900801 - TOKAI METALS CO [JP]
- [DA] US 4498076 A 19850205 - LICHTBLAU GEORGE J [US]
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
DOCDB simple family (application)
EP 95305779 A 19950818; CA 2156205 A 19950816