Patents for E05B 45 - Alarm locks (4,216)
06/1994
06/08/1994CN2168044Y Loop antitheft alarm door bolt
06/01/1994CN2167155Y Theft-proof lock controlled by wire
05/1994
05/26/1994WO1994011603A1 Padlock with tamper alarm
05/25/1994CN2166194Y Anti-theft alarming lock for motorcycle
05/10/1994US5311168 Lock set with self-contained door alarm and annunciator system
04/1994
04/28/1994DE4335569A1 Security device for door raised and lowered between lateral rails - is based on spring-biased rotary plate which holds bolt in retracted position only while lifting cable is taut
04/20/1994CN2162505Y Multifunction siren anti-theft door lock
04/20/1994CN2162504Y Anti-theft siren locking button
04/14/1994WO1994008113A1 Alarm lock
04/13/1994CN2161683Y Theft-proof alarm lock for bicycle or motorcycle
04/13/1994CN2161681Y Theft-proof alarm lock for bicycle
04/13/1994CN1085286A Mechanical security alarm lock
04/07/1994DE4320752A1 Alarmschloß Alarm Lock
04/06/1994EP0590726A1 Mechanical lock
04/06/1994CN2160724Y An-theft warning lock for bicycle
04/06/1994CN2160716Y Chargeable anti-theft door lock
04/06/1994CN2160715Y Central control anti-theft alarm door lock
04/06/1994CN2160713Y Anti-theft safety lock
03/1994
03/30/1994CN2160003Y Anti-theft alarm lock for bicycle
03/30/1994CN2159999Y Two-head two-way paired electronic alarm door lock
03/22/1994US5296841 Chain guard alarm apparatus
03/17/1994DE4242549C1 Intruder detector for opening window - incorporating glass breakage detector and transformer monitoring window position
03/16/1994CN1083891A Lock of bicycle
03/11/1994CA2104245A1 Lock set with self-contained door alarm and annunciator system
03/09/1994EP0585249A1 An improved locking device and alarm system
03/09/1994CN1083560A Theft-preventing mechanical lock
03/08/1994US5291631 Door stop
03/03/1994DE4229324A1 Bicycle anti-theft device - uses locking cable loop securing bicycle to stationary object with alarm operated upon forced opening
03/02/1994CN2157961Y 防盗报警门锁 Alarm Lock
03/02/1994CN2157958Y Cylinder lock
02/1994
02/23/1994CN2157264Y Electronic theft-proof alarm door lock
02/23/1994CN2157263Y Theft-proof alarm lock
02/23/1994CN2157262Y Positioning safety lock
02/17/1994DE4226721A1 Core protector for locking cylinder covering endface - has recess at rear side matching profile of locking cylinder in which cylinder is mounted which has collar with slit only allowing key entry
02/09/1994EP0582523A1 Electronic antitheft system for a motor vehicle
02/07/1994CA2101828A1 Electronic antitheft device for a motor vehicle
01/1994
01/27/1994DE4218660C1 Profile cylinder switch lock - has profile cylinder operable by key and electrical switch device operable by switch cam of profile cylinder
01/26/1994EP0580455A1 Automatic lock for emergency exits
01/26/1994CN2154314Y Intelligence outdoor siren lock
12/1993
12/28/1993US5274353 Anti-theft device
12/22/1993CN2150284Y Domestic multifunction anti-theft device
12/22/1993CN2150283Y Key-type numeral-controlling alarm anti-theft door lock
12/15/1993CN1079527A Multifunctional computer secret code lock
12/14/1993US5270681 Bicycle and bicycle elements theft alarm apparatus
12/01/1993CN2148132Y Multifunction lock
11/1993
11/30/1993US5266923 Anti-tamper locking mechanism
11/17/1993CN2146533Y Multi-functional electronic alarm latch-lock
11/10/1993CN2145843Y Bicycle lock spring driving alarm
11/10/1993CN2145839Y Electronic cipher lock
11/10/1993CN2145837Y Mechanical electronic puzzle lock
11/10/1993CN2145836Y Electronic switch for puzzle lock
11/02/1993US5257841 Electrical monitoring strike device
10/1993
10/27/1993CN2144692Y 自行车锁 Bicycle lock
10/27/1993CN2144687Y Electronic device for alarm lock with door bell
10/13/1993EP0564668A1 Dogging element
10/13/1993CN2143814Y Spring lock power saving switch
10/13/1993CN2143653Y Alarm self-bolting anti-theft door lock
10/13/1993CN2143652Y Separated alarm anti-theft door lock
10/07/1993DE4311210A1 Combined plastics lock mechanism and alarm system - uses two spaced metal strips in alarm current circuit brought into contact upon damage to lock
09/1993
09/23/1993DE4310854A1 Coded electronic door lock with magnetic opening-closing system and integrated burglar alarm - has electronic switch on single chip which gives opening-closing signal when correct code input on keyboard
09/18/1993CA2091725A1 Door locking system
09/09/1993DE4207128A1 Contact arrangement for electrical monitoring of entrance doors - has lever moved by door lock or latch which slides permanent magnet past reed contact on PCB
09/09/1993DE4207127A1 Intrusion-alarm-activated additional locking device for entrance doors - incorporates electromagnet for release of catch which allows claw to rotate into engagement with locking cam
09/08/1993EP0559148A1 Blocking element for a locking device
09/08/1993CN2141830Y Multifunctional theft-proof door lock
09/07/1993US5243325 Latch gate alarm switch assembly
08/1993
08/31/1993US5241427 Message door lock apparatus
08/25/1993CN2140939Y Alarm puzzle lock
08/25/1993CN2140935Y Alarm lock for doors
08/19/1993DE4204509A1 Electronic energy door surveillance for intruder alarm system - uses latch plate and contacts to provide alarm signal in response to abnormal contact operating sequence
08/11/1993CN2139974Y Electronic anti-stealing alarming lock
08/10/1993CA2047252C Portable locking device with built-in alarm
07/1993
07/20/1993US5229747 Tamperproof lock
07/07/1993CN2137802Y Safety electronic door keeper
06/1993
06/30/1993EP0549519A1 Device for registering the manipulation of a mechanical part
06/16/1993CN2136318Y Multifunctional alarm safety door
06/16/1993CN2136305Y Multifunctional door lock with bell
06/16/1993CN2136304Y Safety theft-proof alarm lock for door
06/16/1993CN2136303Y Cipher-controlled alarm device
06/09/1993CN2135625Y Rober-proof alarm racing bicycle lock
06/09/1993CN2135618Y Multi-function alarm door lock
06/02/1993CN2135036Y Multi-bolt warning locking means
06/02/1993CN1072750A Anti-theft lock
05/1993
05/26/1993CN2134685Y 智能型防盗报警器 Intelligent burglar alarm
05/26/1993CN2134459Y Door lock
05/26/1993CN2134458Y High-voltage beat anti-theft door lock with chinese alarm
05/19/1993CN2133639Y Alarm, anti-theft lock
05/12/1993CN2132801Y Triger type anti-theft alarm
05/12/1993CN2132800Y External output unit in use for electronic alarming lock
05/12/1993CN2132799Y Anti-theft controller combined with spring lock of door
05/12/1993CN2132791Y Multi-security anti-theft and alarming door lock
05/06/1993DE4232809A1 Door lock mechanism using spring-loaded bolt pin - assigns electrical signal source to security monitoring circuit operated by bolt pin in locked position
05/05/1993CN2131944Y Lock control alarm sensor
05/05/1993CN2131931Y Alarm lock with double chain
05/04/1993US5208580 Security tag attachment
05/04/1993US5208579 Alarm system
04/1993
04/28/1993CN2130882Y Adjustable puzzle lock with contact alarm
04/21/1993CN2130190Y Anti-theft alarm for bicycle
04/14/1993CN2129803Y Electronic alarm lock
04/07/1993CN2129330Y Multifunction anti-theft door
1 ... 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43