EP1437463A2 - Ansteuerung für einen mit Gleichstrom betriebenen Türöffner und Verfahren zur Ansteuerung eines mit Gleichstrom betriebenen Türöffners - Google Patents
Ansteuerung für einen mit Gleichstrom betriebenen Türöffner und Verfahren zur Ansteuerung eines mit Gleichstrom betriebenen Türöffners Download PDFInfo
- Publication number
- EP1437463A2 EP1437463A2 EP04000312A EP04000312A EP1437463A2 EP 1437463 A2 EP1437463 A2 EP 1437463A2 EP 04000312 A EP04000312 A EP 04000312A EP 04000312 A EP04000312 A EP 04000312A EP 1437463 A2 EP1437463 A2 EP 1437463A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- door opener
- control electronics
- seconds
- time period
- electronics according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims description 20
- 238000011161 development Methods 0.000 description 10
- 230000018109 developmental process Effects 0.000 description 10
- 230000036316 preload Effects 0.000 description 5
- 230000004913 activation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
Definitions
- the invention relates to control electronics for a direct current operated door opener, a supply unit for one with direct current operated door opener and a method for controlling a direct current operated door opener.
- electric strikes can be operated with direct current or with alternating current can be controlled.
- alternating current When activated with alternating current a humming sound that is perceived as disturbing, especially when the controlled door for a long time, e.g. B. unlocked for several hours shall be.
- direct current When controlled with direct current, one leads very low preload on the door opener latch causing the door opener jammed and the door is not released. Already through a door seal caused preload can be sufficient to jam the door opener, which results in the door not opening.
- Advantageous further developments can be found in the subordinate ones Dependent claims.
- This object is further achieved by a claim 15 defined supply unit for one operated with direct current Door opener and a method for controlling one with direct current operated door opener solved, as specified in claim 16 is.
- Advantageous further developments of the method according to the invention are specified in the subordinate claims.
- Control electronics for a door opener operated with direct current has an energization device which is connected to the Door opener applied DC voltage at least during a certain one Period of the energization of the door opener pulses or pulses can.
- the possible preload when operated with direct current Door openers increased without a corresponding AC power humming sound occurs.
- the certain period of time advantageously lies at the beginning of the current supply.
- the specific time period according to the invention lasts advantageously between about 0.2 seconds and 10 seconds, preferably about between 0.2 seconds and 5 seconds, more preferably about 1.5 seconds.
- a combination of these two advantageous configurations offers the invention has the advantage that the door opener even with a increased preload immediately opens, after which the preload is no longer taken into account needs to be and by the DC operation a very quiet operation is achieved.
- the pulsed energization can, however, according to the invention, for. B. also first then take place when the control electronics block the door opener has determined, according to the invention, a direct current operation without Pulse can occur if this is sufficient to open the door.
- pulsed operation always takes place, however not directly at the beginning of the current supply, but only after a certain one Period of time has passed in which a user has a door whose Door opener is not jammed, would have already happened. That way the average user who has no early bias on the Door, not with the pulsing of the DC voltage arising short hum hum because this only occurs. after the door was passed. But also the hurried will User who has preloaded the door too early. no need to open the door again.
- the pulsing of the DC voltage takes place more advantageously Way with a frequency between about 10 Hz and 200 Hz, preferably about between 10 Hz and 100 Hz, more preferably about 50 Hz or 60 Hz.
- a frequency between about 10 Hz and 200 Hz, preferably about between 10 Hz and 100 Hz, more preferably about 50 Hz or 60 Hz.
- a supply voltage supplied is advantageous for the door opener during a certain period of time pulsed and otherwise passed on unchanged to the door opener, in particular through the lighting device.
- the control electronics according to the invention simply between a conventional power supply and a conventional one Door opener can be switched and is controlled by the conventional Activation activated, after which the advantages according to the invention without further ado To be achieved.
- the energization device a transistor, preferably a MOSFET.
- control electronics an oscillator device on which the lighting device activated during a certain period of time in such a way that a pulsed supply voltage is applied to the door opener.
- the oscillator device comprises a further advantageous one Further development of the invention a switched as an oscillator Schmitt trigger.
- control electronics a timing device that the beginning and the Duration of the certain period determined.
- the time control device comprises in a first one advantageous development of the invention, a first timer that the Beginning of the certain period after a supply voltage has been supplied for the door opener.
- the first timer includes another advantageous one Further development of the invention, a Schmitt trigger at its input one against the supply voltage for the door opener Capacitor and a resistor connected to ground are.
- the time control device comprises a second one advantageous development of the invention, a second timer that the Duration of the certain period.
- the second timer comprises a further advantageous one
- a Schmitt trigger at its input one against the supply voltage for the door opener Resistor and a capacitor connected to ground are.
- the Control electronics a voltage regulator to supply the control electronics from a supply voltage for the door opener.
- the control electronics according to the invention and their time constants can be the case usually from the supply voltage applied to it result for door strikes working with different voltages can be used without the need for changes or adjustments are.
- a supply unit according to the invention for one operated with direct current Door opener has control electronics according to the invention.
- control electronics can also be connected directly to an existing one Supply voltage (DC voltage) can be connected can.
- DC voltage Supply voltage
- the figure shows the basic control of a door opener T ⁇ .
- a power supply unit 1 supplies a door opener control with the necessary Supply voltage via a connection 5.
- the connection 5 goes to a timer 2, whose output signals via a connection 6 go to an oscillator 3.
- the oscillator 3 controls one Connection 7 to an output stage 4, whose output signal via a connection 9 is supplied to the door opener T ⁇ . From the final stage 4 is over a connection 8 a feedback to the timer 2 switched.
- FIG. 2 shows an embodiment of the basic circuit according to FIG 1 reproduced.
- a door opener control shown in Figure 2 has a self-locking N-channel MOSFET T 1 in source circuit, the source of which is connected to ground, through which a door opener T ⁇ is energized, which between the drain connection of the MOSFETs T 1 and a positive supply voltage U BT of the door opener.
- a diode D 3 is connected in parallel to the door opener T ⁇ , the anode of which is connected to the drain connection of the MOSFET T 1 and the cathode of which is connected to the positive supply voltage U BT of the door opener.
- the gate of the MOSFET T 1 is controlled via a parallel connection of a resistor R 5 and a capacitor C 4 from the output of an oscillator, which consists of an inverting Schmitt trigger S 3 , a capacitor C 3 is connected between its input and ground and between it A resistor R 4 is connected to the input and output, the output of the third inverting Schmitt trigger S 3 being simultaneously the output of the oscillator.
- an oscillator which consists of an inverting Schmitt trigger S 3
- a resistor R 4 is connected to the input and output, the output of the third inverting Schmitt trigger S 3 being simultaneously the output of the oscillator.
- the oscillator when a supply voltage is applied to the inverting Schmitt trigger S 3, the oscillator oscillates at a frequency determined by the resistor R 4 and the capacitor C 3 as well as the hysteresis and the threshold voltages of the inverting Schmitt trigger S 3 and thus controls the MOSFET T 1 so that it energizes the door opener T ⁇ pulsed when a positive supply voltage U BT of the door opener is applied.
- the input of the inverting Schmitt trigger S 3 is connected via a diode D 2 , the anode of which is connected to the input of the inverting Schmitt trigger S 3 , to a second timer whose output is the output of an inverting Schmitt trigger S 2 ,
- a capacitor C 2 is connected between its input and ground, preferably an electrolytic capacitor due to the higher storage capacity, and a resistor R 3 is connected between its input and the supply voltage U BA of the control electronics.
- the second timer determines the duration of the pulsed energization of the door opener T ⁇ , since the output of the inverting Schmitt trigger S 2 pulls the input of the inverting Schmitt trigger S 3 to ground when the capacitor C 2 via the resistor R 3 above the threshold switch-on voltage of inverting Schmitt trigger S 2 is charged.
- the duration of the pulsed energization through the resistor R 3 and the capacitor C 2 and the threshold voltages of the inverting Schmitt trigger S 2 are determined.
- the input of the inverting Schmitt trigger S 2 is connected via a series circuit of a diode D 1 and a resistor R 2 , the anode of which is connected to the input of the inverting Schmitt trigger S 2 , to a first timing element, the output of which is the output of a first is inverting Schmitt trigger S 1 , between the input and ground of which a resistor R 1 is connected and between the input and the supply voltage U BA of the control electronics, a capacitor C 1 is connected.
- the first timer determines the start of the pulsed energization of the door opener T ⁇ , since the output of the inverting Schmitt trigger S 1 pulls the input of the inverting Schmitt trigger S 2 to ground and thus discharges or keeps the capacitor C 2 discharged until the capacitor is charged as far as C 1 via the resistor R 1 so that the voltage drop across the resistor R 1 voltage has fallen below the Schwellenausschaltschreib of the inverting Schmitt trigger S1.
- the beginning of the pulsed energization is determined by the resistor R 1 and the capacitor C 1 and the threshold voltages of the inverting Schmitt trigger S 1 .
- the first timing element is set such that the capacitor C 2 of the second timing element is discharged as quickly as possible and released immediately afterwards for charging via the resistor R 3 , as a result of which pulsed operation of the door opener T ⁇ at the beginning of the operation of the door opener T ⁇ a subsequent permanent current supply.
- the supply voltage U BA of the control electronics is, for. B. generated by a voltage regulator, which consists of a series connection of a resistor R 6 and a Zener diode ZD 1 connected between the supply voltage U BT of the door opener T ⁇ and ground, the anode of the Zener diode ZD1 being connected to ground, an NPN transistor T 2 , the Collector is at the supply voltage U BT of the door opener T ⁇ and whose base is at the connection point of the resistor R 6 and the Zener diode ZD 1 , and there is a resistor R 7 . which is connected between the emitter of the NPN transistor T 2 and ground.
- the supply voltage U BT of the control electronics is present at the emitter of the NPN transistor T 2 .
- the voltage regulator can be regarded as belonging to the control electronics.
- the door opener T ⁇ is automatically energized via the switching transistor, here the MOSFET T 1 .
- FIG. 3 shows in the upper part an example of a profile of an input voltage of the control electronics, here the supply voltage U BT of the door opener T ⁇ , and in the bottom part the profile of the corresponding output voltage of the control electronics, i.e. the voltage actually applied to the door opener T ⁇ , with a pulsed operation on Beginning.
- the control electronics according to the invention is small in terms of installation space held and can be combined with a power supply.
- the input and output voltage by pluggable Connection terminals to a circuit board containing the control electronics created, which are preferably designed to reverse polarity. Due to the required power should be wires with a diameter of up to 0.8 mm be connectable.
- the circuit is further preferably against reverse polarity and swapping the input and output voltage.
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Lock And Its Accessories (AREA)
- Selective Calling Equipment (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
- Figur 1:
- Ein Blockschaltbild einer Ansteuerung eines Türöffners;
- Figur 2:
- eine Türöffneransteuerung nach einer beispielhaften bevorzugten Ausgestaltung der Erfindung; und
- Figur 3:
- den Verlauf einer an die in der Figur 1 gezeigten Türöffneransteuerung angelegten Eingangsspannung und der von dieser erzeugten Ausgangsspannung.
- 1
- Netzteil
- 2
- Zeitglied
- 3
- Oszillator
- 4
- Endstufe
- 5
- Verbindung
- 6
- Verbindung
- 7
- Verbindung
- 8
- Verbindung
- 9
- Verbindung
- C1
- Kondensator
- C2
- Kondensator
- C3
- Kondensator
- C4
- Kondensator
- R1
- Widerstand
- R2
- Widerstand
- R3
- Widerstand
- R4
- Widerstand
- R5
- Widerstand
- R6
- Widerstand
- R7
- Widerstand
- D1
- Diode
- D2
- Diode
- D3
- Diode
- ZD1
- Zenerdiode
- S1
- invertierender Schmitt-Trigger
- S2
- invertierender Schmitt-Trigger
- S3
- invertierender Schmitt-Trigger
- T1
- MOSFET
- T2
- NPN-Transistor
- UBA
- Versorgungsspannung der Ansteuerelektronik
- UBT
- Versorgungsspannung des Türöffners
- TÖ
- Türöffner
Claims (20)
- Ansteuerelektronik für einen mit Gleichstrom betriebenen Türöffner, gekennzeichnet durch eine Bestromungsvorrichtung, die eine an den Türöffner TÖ angelegte Gleichspannung zumindest während eines bestimmten Zeitabschnittes der Bestromung des Türöffners TÖ pulst.
- Ansteuerelektronik nach Anspruch 1, dadurch gekennzeichnet, dass der bestimmte Zeitabschnitt am Anfang der Bestromung liegt.
- Ansteuerelektronik nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der bestimmte Zeitabschnitt variabel und/oder einstellbar ist und vorzugsweise etwa zwischen 0,2 Sekunden und 10 Sekunden, vorzugsweise etwa zwischen 0,2 Sekunden und 5 Sekunden, weiter vorzugsweise etwa 1,5 Sekunden andauert.
- Ansteuerelektronik nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Pulsen der Gleichspannung etwa mit einer Frequenz zwischen 10 Hz und 200 Hz, vorzugsweise etwa zwischen 10 Hz und 100 Hz, weiter vorzugsweise etwa von 50 Hz oder 60 Hz erfolgt.
- Ansteuerelektronik nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Bestromungsvorrichtung eine zugeführte Versorgungsspannung für den Türöffner TÖ während des bestimmten Zeitabschnittes gepulst und sonst unverändert an den Türöffner TÖ weiterleitet.
- Ansteuerelektronik nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Bestromungsvorrichtung ein Transistor, vorzugsweise ein MOSFET ist.
- Ansteuerelektronik nach einem der Ansprüche 1 bis 6, gekennzeichnet durch eine Oszillatorvorrichtung (3), die die Bestromungsvorrichtung während des bestimmten Zeitabschnittes so ansteuert, dass an den Türöffner TÖ eine gepulste Versorgungsspannung angelegt wird.
- Ansteuerelektronik nach Anspruch 7, dadurch gekennzeichnet, dass die Oszillatorvorrichtung (3) einen als Oszillator geschalteten Schmitt-Trigger S3 umfasst.
- Ansteuerelektronik nach einem der Ansprüche 1 bis 8, gekennzeichnet durch eine Zeitsteuervorrichtung (2), die den Anfang und die Dauer des bestimmten Zeitabschnittes bestimmt.
- Ansteuerelektronik nach Anspruch 9, dadurch gekennzeichnet, dass die Zeitsteuervorrichtung (2) ein erstes Zeitglied umfasst, das den Anfang des bestimmten Zeitabschnittes nach einer Zuführung einer Versorgungsspannung für den Türöffner TÖ festlegt.
- Ansteuerelektronik nach Anspruch 10, dadurch gekennzeichnet, dass das erste Zeitglied einen Schmitt-Trigger S1 umfasst, an dessen Eingang ein gegen die Versorgungsspannung UBA für den Türöffner TÖ geschalteter Kondensator C1 und ein gegen Masse geschalteter Widerstand R1 angeschlossen sind.
- Ansteuerelektronik nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, dass die Zeitsteuervorrichtung (2) ein zweites Zeitglied umfasst, das die Dauer des bestimmten Zeitabschnittes festlegt.
- Ansteuerelektronik nach Anspruch 12, dadurch gekennzeichnet, dass das zweite Zeitglied einen Schmitt-Trigger S2 umfasst, an dessen Eingang ein gegen die Versorgungsspannung UBA für den Türöffner TÖ geschalteter Widerstand R3 und ein gegen Masse geschalteter Kondensator C2 angeschlossen sind.
- Ansteuerelektronik nach einem der Ansprüche 1 bis 13, gekennzeichnet durch einen Spannungsregeler (1) zur Versorgung der Ansteuerelektronik aus einer Versorgungsspannung für den Türöffner TÖ.
- Versorgungseinheit für einen mit Gleichstrom betriebenen Türöffner, gekennzeichnet durch eine Ansteuerelektronik nach einem der vorhergehenden Ansprüche.
- Verfahren zum Ansteuern eines mit Gleichstrom betriebenen Türöffners, gekennzeichnet durch ein zumindest während eines bestimmten Zeitabschnittes der Bestromung des Türöffners TÖ erfolgendes Pulsen einer an den Türöffner TÖ angelegten Gleichspannung.
- Verfahren nach Anspruch 16, dadurch gekennzeichnet, dass der bestimmte Zeitabschnitt am Anfang der Bestromung liegt.
- Verfahren nach Anspruch 16 oder 17, dadurch gekennzeichnet. dass der bestimmte Zeitabschnitt zwischen etwa 0,2 Sekunden und 10 Sekunden, vorzugsweise zwischen etwa 0,2 Sekunden und 5 Sekunden, weiter vorzugsweise etwa 1,5 Sekunden andauert.
- Verfahren nach einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, dass das Pulsen der Gleichspannung mit einer Frequenz etwa zwischen 10 Hz und 200 Hz, vorzugsweise etwa zwischen 10 Hz und 100 Hz, weiter vorzugsweise etwa von 50 Hz oder 60 Hz erfolgt.
- Verfahren nach einem der Ansprüche 16 bis 19, dadurch gekennzeichnet, dass eine zugeführte Versorgungsspannung für den Türöffner TÖ während des bestimmten Zeitabschnittes gepulst und sonst unverändert an den Türöffner TÖ weitergeleitet wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10300828 | 2003-01-10 | ||
DE10300828A DE10300828C5 (de) | 2003-01-10 | 2003-01-10 | Ansteuerung für einen mit Gleichstrom betriebenen Türöffner und Verfahren zur Ansteuerung eines mit Gleichstrom betriebenen Türöffners |
Publications (4)
Publication Number | Publication Date |
---|---|
EP1437463A2 true EP1437463A2 (de) | 2004-07-14 |
EP1437463A3 EP1437463A3 (de) | 2008-03-19 |
EP1437463B1 EP1437463B1 (de) | 2010-05-26 |
EP1437463B2 EP1437463B2 (de) | 2016-02-17 |
Family
ID=32478210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04000312.1A Expired - Lifetime EP1437463B2 (de) | 2003-01-10 | 2004-01-09 | Ansteuerung für einen mit Gleichstrom betriebenen Türöffner |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1437463B2 (de) |
AT (1) | ATE469281T1 (de) |
DE (2) | DE10300828C5 (de) |
ES (1) | ES2345546T5 (de) |
PL (1) | PL364336A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2602408A3 (de) * | 2011-12-09 | 2014-04-30 | ASSA ABLOY Sicherheitstechnik GmbH | Verfahren zum Betreiben eines elektrischen Türöffners, sowie elektrischer Türöffner |
US20220384076A1 (en) * | 2015-04-14 | 2022-12-01 | Hanchett Entry Systems, Inc. | Solenoid assembly actuation using resonant frequency current controller circuit |
US11545289B2 (en) | 2015-04-14 | 2023-01-03 | Hanchett Entry Systems, Inc. | Solenoid assembly with included constant-current controller circuit |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005001319B4 (de) * | 2005-01-11 | 2008-09-11 | Dorma Gmbh + Co. Kg | Elektrischer Türöffner |
DE102008014976B4 (de) * | 2007-05-08 | 2010-10-21 | Ist Systems Gmbh | Elektrischer Türöffner |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3618645A1 (de) * | 1986-06-03 | 1987-12-10 | Geze Gmbh | Vorrichtung zur betaetigung einer an einem rauchabschluss bzw. einem rauchabzugsweg angeordneten tuer, klappe od.dgl. |
FR2726113A1 (fr) * | 1994-10-10 | 1996-04-26 | Bensamoun Thierry | Dispositif pour l'ouverture automatique d'une porte |
WO1999034079A1 (en) * | 1997-12-24 | 1999-07-08 | Loktronic Industries Limited | Electric lock |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE231025C (de) † | ||||
DE2816577C2 (de) * | 1978-04-17 | 1984-11-22 | Engl, Walter L., Prof. Dr.rer.nat., 5120 Herzogenrath | Integrierter Schmitt-Trigger |
DE3719298A1 (de) † | 1987-06-10 | 1988-12-22 | Bayerische Motoren Werke Ag | Verfahren zum loesen der kontakte eines klebenden relais sowie schaltungsanordnung zur durchfuehrung des verfahrens |
DE3741619A1 (de) † | 1987-12-09 | 1989-06-22 | Festo Kg | Steuerschaltungsanordnung fuer magnetventile |
DE4015466C1 (en) † | 1990-05-14 | 1991-05-16 | S. Siedle & Soehne Telefon- Und Telegrafenwerke Stiftung & Co, 7743 Furtwangen, De | Entry phone esp. for apartment block - has individual and common leads with mains supply unit switchable into latter |
DE19604644C2 (de) * | 1996-02-08 | 1998-07-16 | Leonhard Lerchner | Schließvorrichtung |
EP0821123A1 (de) * | 1997-05-28 | 1998-01-28 | Rofu AG | Vorrichtung zum Oeffnen und/oder Verschliessen von Türen |
DE19844778C2 (de) * | 1998-09-30 | 2000-11-30 | Bosch Gmbh Robert | Kraftfahrzeug-Türschloß mit elektronischer Motoransteuerung |
DE19856624C2 (de) * | 1998-12-08 | 2003-05-15 | Fuss Fritz Gmbh & Co | Elektrischer Türöffner |
DE10116571B4 (de) * | 2001-04-03 | 2004-02-12 | Ist Systems Gmbh | Arbeitsstromtüröffner |
-
2003
- 2003-01-10 DE DE10300828A patent/DE10300828C5/de not_active Expired - Lifetime
-
2004
- 2004-01-08 PL PL04364336A patent/PL364336A1/xx not_active Application Discontinuation
- 2004-01-09 DE DE502004011193T patent/DE502004011193D1/de not_active Expired - Lifetime
- 2004-01-09 EP EP04000312.1A patent/EP1437463B2/de not_active Expired - Lifetime
- 2004-01-09 ES ES04000312T patent/ES2345546T5/es not_active Expired - Lifetime
- 2004-01-09 AT AT04000312T patent/ATE469281T1/de active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3618645A1 (de) * | 1986-06-03 | 1987-12-10 | Geze Gmbh | Vorrichtung zur betaetigung einer an einem rauchabschluss bzw. einem rauchabzugsweg angeordneten tuer, klappe od.dgl. |
FR2726113A1 (fr) * | 1994-10-10 | 1996-04-26 | Bensamoun Thierry | Dispositif pour l'ouverture automatique d'une porte |
WO1999034079A1 (en) * | 1997-12-24 | 1999-07-08 | Loktronic Industries Limited | Electric lock |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2602408A3 (de) * | 2011-12-09 | 2014-04-30 | ASSA ABLOY Sicherheitstechnik GmbH | Verfahren zum Betreiben eines elektrischen Türöffners, sowie elektrischer Türöffner |
DE102011121702C5 (de) * | 2011-12-09 | 2016-08-11 | Assa Abloy Sicherheitstechnik Gmbh | Verfahren zum Betreiben eines elektrischen Türöffners, sowie elektrischer Türöffner |
US20220384076A1 (en) * | 2015-04-14 | 2022-12-01 | Hanchett Entry Systems, Inc. | Solenoid assembly actuation using resonant frequency current controller circuit |
US11545289B2 (en) | 2015-04-14 | 2023-01-03 | Hanchett Entry Systems, Inc. | Solenoid assembly with included constant-current controller circuit |
US11915869B2 (en) | 2015-04-14 | 2024-02-27 | Hanchett Entry Systems, Inc. | Solenoid assembly actuation using resonant frequency current controller circuit |
Also Published As
Publication number | Publication date |
---|---|
DE502004011193D1 (de) | 2010-07-08 |
ATE469281T1 (de) | 2010-06-15 |
DE10300828B4 (de) | 2005-03-03 |
EP1437463B2 (de) | 2016-02-17 |
DE10300828A1 (de) | 2004-07-29 |
ES2345546T5 (es) | 2016-05-17 |
EP1437463A3 (de) | 2008-03-19 |
PL364336A1 (en) | 2004-07-12 |
EP1437463B1 (de) | 2010-05-26 |
ES2345546T3 (es) | 2010-09-27 |
DE10300828C5 (de) | 2009-06-10 |
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