CN1305574A - Switch cover plate providing automatic emergency lighting - Google Patents
Switch cover plate providing automatic emergency lighting Download PDFInfo
- Publication number
- CN1305574A CN1305574A CN99807189A CN99807189A CN1305574A CN 1305574 A CN1305574 A CN 1305574A CN 99807189 A CN99807189 A CN 99807189A CN 99807189 A CN99807189 A CN 99807189A CN 1305574 A CN1305574 A CN 1305574A
- Authority
- CN
- China
- Prior art keywords
- facility
- electrostatic field
- circuit
- lighting installation
- described equipment
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/02—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A wall mounted cover plate conceals an electrical circuit capable of sensing the field provided by a covered switch or electrical socket circuit. When power is lost at the wall circuit the electrical circuit senses the loss of power and activates one or more LEDs to provide emergency illumination. The electrical circuit is self contained and does not require stand-by energy so that the batteries are long lasting.
Description
Invention field
The present invention relates to emergency-lighting set, for example standby non-attended light more particularly, the present invention relates to a kind of emergency-lighting set that is assembled in the regular tap cover plate, the transducer whether it can provide lighting source and the alternating current that is used for definite electric switch to break, electric switch is covered by cover plate.
The explanation of prior art
Following prior art has been determined the present situation of this area.
The invention people is the U.S. Pat-4,177 of Nicholl, and 500 have introduced a kind of power failure lamp that is used for the monitoring power supply line and throws light on when power interruptions.This invention comprises a kind of bulb, chargeable battery, the power supply of charging current, a pair of diode that links to each other with battery across power supply is provided, a pair ofly across battery bulb and its base one is penetrated grade gated transistors that knot links to each other to battery.
The invention people is that the U.S. Pat 4,461,974 of Chiu has been introduced a kind of many lamps device with optical-fibre guidance, in this device, in case king light lost efficacy, automatically opens stand-by lamp.Solenoid is used with inductance coil in main road, is used to overcome the switch biasing of stand-by lamp circuit, disconnects with maintained switch.When the king light inefficacy caused current interruptions, therefore above-mentioned switch closure, opened stand-by lamp.Use an indicating device to be used to show which kind of lamp is in work.
The invention people is that the U.S. Pat 4,514,789 of Jester has been introduced a kind of lamp switch plate with the cover that opens wide that is positioned at the rear portion, and an AA battery removably is positioned in the described cover.Described lamp switch plate is removably mounted on the common wall with 110 volts of voltage AC switches.By an integrated circuit oscillator, a LED who is installed in the front of described cover links to each other with battery, thereby makes the LED flash of light.
The invention people is the U.S. Pat 4 of McCue, 631,649 have introduced a kind of emergency light support, it can for good and all be installed on the common supply socket box, described socket box has fixing screwed hole and slot, screwed hole is used to make the screw of panel to be screwed into described screwed hole, and plug can insert described slot.The emergency light support comprises a shell, plug, a battery, a battery charger and a lamp that is installed on the described shell that extends from described housing back wall, in outage, connects emergency light and is used for illumination.
The invention people is that the U.S. Pat 4,977,351 of Bavaro has been introduced a kind of emergency light device, and when AC current, at least one gaseous discharge lamp lighted by alternating-current power supply, when not having alternating current, a gaseous discharge lamp lighted by battery.Circuit also has the ability of opening emergency light under other contingency condition, for example finds the invador, finds smog, meets heat, meets water or other some emergencies.
The invention people is that the U.S. Pat 5,132,596 of Walters has been introduced a kind of outdoor lighting control, comprises a response light-sensitive device and the AC relay with a pair of contact of moving between closing point and cut-off point of outdoor light on every side.Relay comprises a kind of contact stimulation arrangement in response to light-sensitive device, and alternating current makes the contact be displaced to closing point, under electromagnetic action, makes the contact move on to cut-off point.When the conversion between light-sensitive device detection dark and the light, described contact stimulation arrangement has enough rigidity and responds alternating current, and the contact is limited in 15 milliseconds from the concussion that touches off period.Preferably concussion is limited in 1～10 millisecond.
The invention people is that the U.S. Pat 5,336,977 of Li has been introduced a kind of emergency-lighting set, and it comprises a hollow box, detection of magnetic field parts, lamp and a driver part.The contiguous supply socket of described box body.The detection of magnetic field parts are positioned in the box body and detect whether magnetic field is arranged in the supply socket, and lamp is positioned on the box body, and driver part is positioned in the box body and with lamp and links to each other with the detection of magnetic field parts.Driver part comprises a photosensitive switch and in response to exploring block, does not only have magnetic field in supply socket,, just turns on the light when very weak around the magnetic field of lamp.
The invention people is that the U.S. Pat 5,473,517 of Blackman has been introduced a kind of shell that is used for emergency light, and it links to each other with a conventional lamp switch.Described shell substitutes conventional switchboard, and it has at least one opening that is used for the receiving key plate and at least one is used to receive the opening of opening exciter.Described replacement shell has the electric wire that links to each other with lamp switch and is divided into upper and lower two parts, and top comprises a battery flat, a printed circuit board (PCB) cabin and an opening that is used for the receiving key exciter.The lower part comprises that fluorescent lamp, reflector and a diffuser cover that is used to hold a compactness pulls.
Prior art provides multiple safety and emergency-lighting set.Blackman provides the replacement switchboard that has circuit to link to each other with switch, and described switchboard comprises lighting installation.Walter provides a kind of illumination control with light-sensitive device responding device.Jester provides a kind of lamp switch plate.The magnetic field sensor that Li provides near the electric energy of the AC Power supply socket a kind of can the response to disappear, when linking to each other with switch, this transducer can not be operated, owing to there is not electric current to flow through, can not produce magnetic field.Yet prior art does not provide a kind of to be had compact size and has the switchboard of the parts of electric field detectability, so that avoid essential hardwired, and provides exit marking and illumination.The present invention has realized these requirements, and following relevant advantage is provided.
The present invention's general introduction
The invention provides on the structure that can realize following goal of the invention and the advantage on using.
The invention provides a kind of plate that can be installed on the wall, it comprise one can detect with wall in or the circuit of the relevant electrostatic field of circuit behind the wall.Described circuit uses the disappearance of antenna detection electric field energy, provides emergency-exit lighting so that guarantee lighting circuit.
A preliminary purpose of the present invention provides a kind of proximate circuitry that emergency lighting can be provided when power supply breaks down, sort circuit has the not available advantage of prior art.
Another object of the present invention provides the circuit in a kind of like this switchboard, by using the bolt method of attachment that typically is used to the regular tap plate, above-mentioned switchboard is installed in a switch enclosure top.
Another object of the present invention provides a kind of like this circuit, and it has following advantage, promptly uses little battery, also can long period of operation use, and does not require and uses the household electricity electric current.
Another object of the present invention provides a kind of like this switchboard, and it has embodied a kind of size of gentle relatively compactness, thereby has the profile of regular tap plate, and has emergency lighting and automatic advantage of working when power supply breaks down.
Another object of the present invention provides a kind of like this switchboard, and it has embodied a kind of size of gentle relatively compactness, thereby has the profile of common AC receptacle cover plate, and has emergency lighting and automatic advantage of working when power supply breaks down.
Another object of the present invention provides a kind of like this switch and pulls, and it has embodied a kind of size of gentle relatively compactness, thereby has the profile of common wall cover plate, and the advantage that has emergency lighting and work automatically.
In conjunction with the accompanying drawings to the description that embodiment carried out that the present invention recommended, other advantage of the present invention and characteristic will become clear by hereinafter.
Brief Description Of Drawings
Accompanying drawing shows that to the present invention accompanying drawing comprises:
Fig. 1 is a front view, has shown the switch on wall cover plate that meets first embodiment of the invention;
Fig. 2 is a sectional drawing of being done along the 2-2 line among Fig. 1, has shown switch enclosure and switch on wall;
Fig. 3 is a block diagram, is used to illustrate circuit of the present invention;
Fig. 4 is a perspective view, has shown embodiment shown in Figure 1;
Fig. 5 is a perspective view, has shown second embodiment of the present invention, a kind of supply socket cover plate.
Detailed description of the present invention
Above-mentioned description of drawings, when multiple power source broke down, emergency-lighting set of the present invention threw light in the space of a sealing.In first embodiment of the invention, Fig. 1 and Fig. 4 show a kind of emergency-lighting set that is used to cover switch on wall power pack 10, and described Switching Power Supply box 10 is installed in the wall 20 or the back of wall 20.Power pack 10 comprises a wall mains switch 30 with switch arm 32, and described switch arm 32 stretches out from wall 20, so that manually open and close indoor lamp.
Fig. 1,2 and 4 has shown that the present invention is used to cover a kind of form of the switchboard 40 of switch on wall power pack 10, and switchboard provides circuit installation surface 42; Switchboard erecting device 44, promptly normally a pair of hole spaced apart; Switch arm coupling device 46, i.e. rectangular opening normally.Preferably the central part 40A of switchboard 40 comprises switchboard erecting device 44 and switch arm coupling device 46, and central part 40A is the plane preferably, so that contact with wall surface.Switchboard 40 also has a peripheral part 40B who is provided for the locking device 40C of closed circuit 50.Locking device 40C provides a space to be used to hold the element of circuit 50.Described space is enclosed between wall 20 and the switchboard 40, so can't see circuit element and their support component from the front of switchboard 40.Central part 40A cooperates with switch on wall 30, peripheral part 40B and middle body and on every side wall cooperate and closed circuit 50.This is considered to principal character of the present invention, because equipment is made as a whole profile with simple common wall switch cover plate, it has one near wall position (40A), is used for engaging with switch arm 32 (also be known as " bat " (bat) or " toggle "); Have a border seal part (40B), provide a kind of device to be used in the formed electrostatic field of power equipment of switch on wall or any other generation electrostatic field as described below, settling circuit.
Fig. 3 has shown circuit 50, and in circuit 50, antenna 80 is exposed under building A C circuit or other generation of static electricity parts electrostatic field that for example switch on wall 30 is produced.The input impedance of coupling capacitance, earth-return and amplifier 82 that electric field strength, antenna 80 produce determines the size of the signal voltage that antenna 80 is produced jointly.The U.L safety regulation requires the safety resistors 84 of two big numerical value to connect with antenna 80, limits the current strength that flows through when being short-circuited between antenna 80 and building A C circuit.Because in the present invention, these two elements can not contact, and short circuit can not occur between the two.
80 pairs of detected signal voltages of amplifier amplify, and are used to drive peak-detector circuit shown in Figure 3 86 and steering logic circuit 88.Peak-detector circuit 86 produces a direct voltage, in case it surpasses first limit, it just becomes ratio with the aerial voltage that is exaggerated.In case surpass second limit, peak-detector circuit 86 is saturated, though AC electric field strength can also increase, direct voltage is no longer strengthened.Suitably select charging apace and discharge at a slow speed with any unnecessary delay in the erroneous trigger of avoiding the LED90 group and the operation.
Steering logic circuit 88 receives peak-detector circuits 86 and tests/reset the input of device 87, and described test/reset device 87 can be a button hereinafter.By the schmiddt trigger both inputs are regulated in steering logic circuit 88 to produce stable logical conversion.Steering logic circuit 88 judges, and whether according to following condition, LED90 is opened or closed, and it is pointed out that the existence of AC power supplies is considered to be equal to the existence of above-mentioned electrostatic field, and the disappearance of AC power supplies is equal to the disappearance of electrostatic field.
1) when the enough electric field strength of AC power supplies generation, LED90 will be closed, and temporarily stir and test/reset button 87, and LED90 will be temporarily luminous.Test when unclamping/when resetting button 87, LED90 automatically closes to avoid battery 58 (Fig. 2) unexpectedly and unnecessarily power consumption.
2) suddenly disappear when AC power supplies, the state of LED90 will be locked to " unlatching " state, till one of following three kinds of situations take place:
A) battery 58 discharges into the level that can not be used again;
B) AC power supplies is recovered;
C) testing/reset button 87 is made LED90 be in closed condition by temporary transient the promotion.
Testing/reset recycling of button 87 when AC power supplies disappears will cause LED90 " unlatching " and " closing " state alternately to occur.Led drive circuit 89 is surveyed the signal that steering logic circuit 88 is produced, and when accepting open command, provides enough big current drives LED90.LED90 is the high flux type preferably, when AC power supplies breaks down, can produce enough illuminations to satisfy worker's needs in a cubicle.Disappear after lighting installation 56 is manually closed simultaneously producing the formed electrostatic field of static field device (switch on wall etc.), test/reset button 87 and steering logic circuit 88 and can automatically the present invention be placed on a state of activation, thereby, the recovery of electrostatic field subsequently and subsequently for the second time electrostatic field disappear and will activate lighting installation 56 once more and without manual intervention.
When battery 58 discharged into remaining electric weight and is not enough to sustained emergency lighting is provided, a low battery detection circuit 92 can detect.At this moment with the short period pulse of a repetition make one among the LED90A luminous, thereby a visual warning is provided.A-battery testing circuit 92 is designed to detect the loss that battery 58 reduces battery current when detecting simultaneously.Pulse generation circuit 94 net cycle times are short, and it offers a comparison circuit 96 with the energy content of battery.In 94 each cycle periods of pulse generation circuit, comparison circuit 96 and reference circuits 98 are temporarily opened.The voltage of battery and the reference voltage of reference circuits 98 are compared.If the sampling cell voltage is too low, comparison circuit 96 temporary transient driving LED driver 89B.By the description that the operation of each above-mentioned circuit element is carried out, the those of ordinary skill of power domain knows how to constitute and handle these circuit elements.The explanation of these circuit and the purpose of Fig. 3 mainly be to realize the present invention and these well-known elements of explanation how assembled be connected to form a kind of working equipment that can realize the object of the invention.
Switchboard 40 further provides a kind of lighting installation finder 48, and described lighting installation finder 48 can comprise at least one the opening 48A on the switchboard 40, and opening 48A is settled like this, promptly can directly see lighting installation 56 by it.Therefore, as shown in Figure 1, opening 48A is the one or more rectangular apertures on the switchboard 40, and by opening 48A, the element of lighting installation 56 can stretch out or be seen.Another kind of scheme is that described lighting installation finder 48 can comprise at least one the transmitted light position 48B on the switchboard 40, described transmission light position 48B is placed and engages with at least one element of lighting installation 56, thereby by seeing the light that lighting installation 56 sends rather than directly seeing lighting installation 56 and realize lighting installation 56 indirectly.This finder 48B can be position transparent or colored on the switchboard 40, as shown in Figure 1, can cover the top of the illumination component of lighting installation 56.
In second embodiment shown in Figure 6, be a kind of electricity output facility by the electronic equipment that switchboard covered, the (not shown) multiple socket that for example a kind of well-known household is used, this equipment have electrical socket facility a kind of and that the present invention is joined.In the case, it is a kind of plug facility 70 that power pack engages facility, such as this multiple plug shown in the figure, is used for combining with the electrical socket of electric power facility.In this embodiment, inventing described equipment is installed in above the wall outlet box and near outlet box.Say further, in this embodiment, provide multiple socket 72 to be used to receive plug, otherwise described plug inserts in the socket of electric outlet facility.This embodiment shows that for same purpose, the present invention can be used to appliance socket and switch on wall.Clearly, except switch on wall and AC power supplies socket, the present invention also can be used to others, the AC change in voltage that is with or without electric current in any case, can equipment of the present invention be installed on the wall outer surface in several cm range of distance wall surface, whether exist and emergency lighting is provided so that judge AC voltage.An important application of the present invention is in elevator, in case power supply breaks down, can provide emergency lighting.Very clear, under many applicable cases of the present invention, there are not physics or electronics to be connected between the present invention and AC equipment or the circuit, described AC equipment or circuit are detected by the present invention, and in the case, closed installation 40 can be the flat runner with erecting device.This erecting device can be bonding liner plate or magnet or other well-known mode.
Below the just relevant at least preferred embodiment of the present invention has been done very detailed description, thus after reading and having understood this specification, for a person skilled in the art, various changes of the present invention and revise and will become obvious.So all are so changed and correction is also included within this invention, so they are in the protection range of claims.
Claims (15)
1 one kinds can be placed on the wall and the emergency-lighting set of the contiguous electrostatic field generation electrostatic field that facility produced, and described equipment comprises:
Can be installed on the wall and the wall slab of contiguous electrostatic field generation facility, wall slab closed circuit facility;
The circuit facility comprises a kind of variable electrostatic field checkout facility, a kind of emergency button facility, lighting installation and power supply facility, looks from the wall slab direction, and described circuit facility is capped;
Wall slab engages lighting installation;
The emergency button facility links to each other with lighting installation with the power supply facility, and when the energy on the electrostatic field generation facility disappeared, the electrostatic field checkout facility can not detect electrostatic field, thereby emergency lighting is provided;
Reset facility, disappear when manually closing lighting installation simultaneously, automatically make the circuit facility be in state of activation when electrostatic field generates electrostatic field on the facility, thereby, when electrostatic field recovers to disappear for the second time with electrostatic field subsequently, can activate lighting installation once more.
2 according to the described equipment of claim 1, it is characterized in that: it is a switch on wall with outwardly directed switch element that described electrostatic field generates facility, has one on the wall slab and is used to receive the opening that described electrostatic field generates the switch element of facility.
3 according to the described equipment of claim 2, it is characterized in that: have the position that at least one opens wide on the described wall slab, it engages with lighting installation, is used for directly checking lighting installation.
4 according to the described equipment of claim 2, it is characterized in that: have at least one light on the described wall slab and transmit the position, it engages with lighting installation, is used for checking indirectly lighting installation.
5 according to the described equipment of claim 2, it is characterized in that: described wall slab comprises a central part and the peripheral position around described opening with opening, is used to seal described circuit facility.
6 according to the described equipment of claim 2, it is characterized in that: comprise a Test Switchboard that links to each other with circuit, by manual operations, be used for testing circuit.
7 according to the described equipment of claim 2, it is characterized in that: comprise an A-battery transducer that links to each other with circuit, be used for the low pressure situation of monitoring cell and encourage lighting installation to be in low-voltage state in order to the expression battery.
8 according to the described equipment of claim 2, it is characterized in that: the electrostatic field checkout facility is an antenna, and the emergency button facility is a transistor that aerial signal drove that is exaggerated, and lighting installation is a plurality of LED equipment, and the power supply facility is a battery.
9 according to the described equipment of claim 1, it is characterized in that: it is a supply socket facility that described electrostatic field generates facility, it has acceptable electrical socket, and the coupling device that electrostatic field generates facility is a plug, is used for engaging with the electrical socket of supply socket facility.
10 according to the described equipment of claim 9, it is characterized in that: have the position that at least one opens wide on the described wall slab, it engages with lighting installation, is used for directly checking lighting installation.
11 according to the described equipment of claim 9, it is characterized in that: have at least one light on the described wall slab and transmit the position, it engages with lighting installation, is used for checking indirectly lighting installation.
12 according to the described equipment of claim 9, it is characterized in that: described wall slab has the central part and the peripheral position that is used for the closed circuit facility that comprise switch facility coupling apparatus.
13 according to the described equipment of claim 9, it is characterized in that: comprise a Test Switchboard that links to each other with circuit, by testing circuit hand-manipulated.
14 according to the described equipment of claim 9, it is characterized in that: comprise an A-battery transducer that links to each other with circuit, be used for the low pressure situation of monitoring cell and encourage lighting installation to be in low-voltage state in order to the expression battery.
15 according to the described equipment of claim 9, it is characterized in that: the electrostatic field checkout facility is an antenna, and the emergency button facility is a transistor that aerial signal drove that is exaggerated, and lighting installation is a plurality of LED equipment, and the power supply facility is a battery.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1999/004363 WO2000050810A1 (en) | 1999-02-26 | 1999-02-26 | Switch cover plate providing automatic emergency lighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1305574A true CN1305574A (en) | 2001-07-25 |
Family
ID=22272267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99807189A Pending CN1305574A (en) | 1999-02-26 | 1999-02-26 | Switch cover plate providing automatic emergency lighting |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1155259A4 (en) |
| JP (1) | JP2002538579A (en) |
| KR (1) | KR20010106107A (en) |
| CN (1) | CN1305574A (en) |
| AU (1) | AU761811B2 (en) |
| CA (1) | CA2329042A1 (en) |
| MX (1) | MXPA00011349A (en) |
| WO (1) | WO2000050810A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008092313A1 (en) * | 2007-01-24 | 2008-08-07 | Unity Opto Technology Co., Ltd. | Switch seat with emergency illumination |
| WO2009030076A1 (en) * | 2007-09-04 | 2009-03-12 | Unity Opto Technology Co., Ltd. | Socket with emergency illuminating lamp |
| WO2009033333A1 (en) * | 2007-09-14 | 2009-03-19 | Unity Opto Technology Co., Ltd. | Socket construction with emergency illuminating lamp |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100839208B1 (en) * | 2008-01-31 | 2008-06-17 | (주)부흥이앤씨 | Power switch |
| KR102277771B1 (en) * | 2018-05-18 | 2021-07-15 | 오레일리 윈쉽, 엘엘씨 | Electrical outlet cover with integrated lighting |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2863038A (en) * | 1956-10-15 | 1958-12-02 | Dominick A Lombardo | Auxiliary outlet with emergency light |
| US3746877A (en) * | 1971-03-08 | 1973-07-17 | W Seiter | Emergency light unit |
| US3739226A (en) * | 1971-09-08 | 1973-06-12 | W Seiter | Emergency light unit for mounting to an electrical wall outlet |
| US4177500A (en) | 1978-09-29 | 1979-12-04 | Thomas H. Nicholl | Power failure light and circuit therefor |
| US4461974A (en) | 1982-06-09 | 1984-07-24 | David Chiu | Dual light source |
| US4514789A (en) | 1984-03-07 | 1985-04-30 | Jester Michael H | Illuminated light switch plate with LED and oscillator circuit |
| US4631649A (en) | 1985-10-16 | 1986-12-23 | Chloride Systems, a division of Chloride Power Electronics, Incorporated | Plug-in emergency light fixture |
| US4977351A (en) | 1986-11-18 | 1990-12-11 | Bavco Manufacturing Company, Inc. | Emergency lighting system |
| US5132596A (en) | 1991-09-18 | 1992-07-21 | Pacific Scientific Company | Outdoor lighting controls |
| US5336977A (en) | 1993-05-18 | 1994-08-09 | Li Ming Chun | Emergency lighting device |
| US5473517A (en) | 1995-01-23 | 1995-12-05 | Blackman; Stephen E. | Emergency safety light |
| US5833350A (en) * | 1997-04-25 | 1998-11-10 | Electro Static Solutions, Llc | Switch cover plate providing automatic emergency lighting |
-
1999
- 1999-02-26 KR KR1020007011888A patent/KR20010106107A/en not_active Application Discontinuation
- 1999-02-26 EP EP99909673A patent/EP1155259A4/en not_active Withdrawn
- 1999-02-26 CA CA002329042A patent/CA2329042A1/en not_active Abandoned
- 1999-02-26 WO PCT/US1999/004363 patent/WO2000050810A1/en not_active Application Discontinuation
- 1999-02-26 MX MXPA00011349A patent/MXPA00011349A/en not_active IP Right Cessation
- 1999-02-26 CN CN99807189A patent/CN1305574A/en active Pending
- 1999-02-26 JP JP2000601367A patent/JP2002538579A/en not_active Withdrawn
- 1999-02-26 AU AU28827/99A patent/AU761811B2/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008092313A1 (en) * | 2007-01-24 | 2008-08-07 | Unity Opto Technology Co., Ltd. | Switch seat with emergency illumination |
| WO2009030076A1 (en) * | 2007-09-04 | 2009-03-12 | Unity Opto Technology Co., Ltd. | Socket with emergency illuminating lamp |
| WO2009033333A1 (en) * | 2007-09-14 | 2009-03-19 | Unity Opto Technology Co., Ltd. | Socket construction with emergency illuminating lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| MXPA00011349A (en) | 2003-04-22 |
| EP1155259A1 (en) | 2001-11-21 |
| KR20010106107A (en) | 2001-11-29 |
| JP2002538579A (en) | 2002-11-12 |
| AU2882799A (en) | 2000-09-14 |
| EP1155259A4 (en) | 2005-12-07 |
| WO2000050810A1 (en) | 2000-08-31 |
| AU761811B2 (en) | 2003-06-12 |
| CA2329042A1 (en) | 2000-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |