[0001] This invention relates to advertising panels and is more particularly, but not exclusively,
concerned with advertising panels for use in underground railway or subway systems
or petrochemical installations or large complexes, such as shopping centres.
[0002] In certain installations including, for example, underground railway systems, shopping
centres and "high-rise" buildings, there can be difficulties in maintaining adequate
communication in the case of an emergency, such as a fire. In such an emergency, normal
communication by telephone and the like is normally not practicable or desirable,
and there is therefore a need for an alternative means of communication in such an
event.
[0003] In most cases of emergency, the police, ambulance service or fire fighting personnel
require communication between a base station at, say, the entrance to the installation
and one or more mobile stations within the installation. It is generally impracticable
on cost grounds alone to provide each location within the installation with its own
communications equipment, such as a radio. However it is important that the communications
equipment to be used in an emergency has been tried and tested prior to the emergency
arising, and this requires in particular an aerial for the equipment which has been
previously tested to ensure adequate communication throughout the whole of the installation.
[0004] It is an object of the invention to provide a novel form of advertising panel for
location at a suitable position in such an installation, for example at the entrance,
and which can be used to provide such communication in an emergency.
[0005] In accordance with the invention, there is provided an advertising panel having a
display surface on which an advertisement is displayed, characterised in that the
panel incorporates an aerial.
[0006] Such an advertising panel can be permanently located at the required position and
can include a high quality aerial which has been tested to ensure its suitability
for communication within the installation.
[0007] It is preferred that the panel incorporates a tuning circuit for the aerial to ensure
that it operates efficiently at a predetermined radio frequency, and that the panel
also includes an aerial connector for connection of a portable transmitter and/or
a receiver to the aerial. Thus, in an emergency, a portable radio is simply connected
to the aerial by means of the connector to establish communication with other, remotely
located radios.
[0008] It is important that the attachment of the aerial to, or containment of the aerial
within, the panel is effected such that the panel can be utilised for the presentation
of advertising matter. To this end the panel may have an outer surface to which is
affixed an advertisement, such as an advertising poster.
[0009] Alternatively, the panel may have an outer compartment within which an advertisement
may be enclosed and viewed, for example through a transparent outer wall of the compartment.
[0010] In certain preferred embodiments, the panel may comprise two (or more) components
connected to one another to form a compartment therebetween. For example, a rear component
may have the aerial attached to it or contained within it and a front component may
be utilised for advertising purposes in the manner described above. The components
can be hingedly connected to one another, preferably so that the rear component with
the aerial is fixed to a floor or a wall and the second component with the advertising
matter is hingedly connected to the first component to provide access to the compartment.
[0011] The compartment may contain the aerial connector on the rear component. In addition
the compartment may include information relevant to the location of the panel, for
example a map or general layout of the underground station or building. Such a compartment
may also contain additional equipment such as a telephone or telephone plug, a television
socket, a connector for a "leaky feeder" system or tannoy apparatus, or some other
form of supplementary communications connector.
[0012] Generally, the panel should possess means for attachment to a support surface, preferably
a wall, at a predetermined position in the area. Alternatively, the panel may be constructed
so as to be free-standing or to have means to attach it to a floor.
[0013] The advertising space may be of any shape but is preferably rectangular. Equally,
the size will be dependent on the aerial requirements and on the space available at
the location.
[0014] The aerial itself may be in the form of an electrically conductive loop extending
around the periphery of the panel, and may comprise a single or part-turn of wire
around a framework of the panel. Alternatively it may comprise several turns of wire
or braiding, which is normally of copper, although any other conductive aerial material
may be employed including aluminium. The latter material in particular could actually
form part of a frame for the advertisement itself.
[0015] The aerial may also be a ferrite aerial comprising a ferrite core around which a
wire or wires are wound.
[0016] The operating frequency of the aerial would generally be determined by the requirements
of the radio system to which it is to be connected, and might be for example 3 MHz
where a medium frequency radio system is used. In this case the aerial will induce
signals in all the surrounding metalwork of the installation and this will aid in
transmission of signals throughout the installation.
[0017] Preferably the aerial operates without any external power source; however, a power
source could be included in the panel of the invention if necessary.
[0018] For a better understanding of the invention, reference will now be made, by way of
example, to the accompanying drawings, in which:-
Figure 1 is a front view of an advertising panel in accordance with the invention,
Figure 2 is a sectional view along the line II - II of Figure 1 showing the aerial
as part of the panel,
Figure 3 is a front view of a two-component panel in accordance with the invention
in a "closed" position, and
Figure 4 is a front view of the panel in an "open" position.
[0019] With reference to Figures 1 and 2, the illustrated advertising panel 1 is of integral
one-piece laminar construction having, in its rear surface, a peripheral recess 3
accommodating an aerial 2 secured therein (by means not shown). The aerial 2 may be
secured in the recess 3 by adhesive or by clips. Alternatively the aerial 2 may be
secured to the outer perimeter of the panel 1, either at the front or back of the
panel, or may be bonded into the fabric of the panel itself during construction. The
aerial 2 is made from copper braid and runs around the recess 3 to form a rectangular
loop terminating at a small housing (not shown) to which there is screwed a socket
4 into which a radio receiver may be plugged for communication by way of the aerial
2. The housing incorporates a conventional aerial tuning circuit including capacitors
and/or inductors by means of which the aerial 2 is tuned to the selected frequency
of operation.
[0020] In use the rear surface having the recess 3 is fixed to a wall at a predetermined
position leaving the front surface open to view. A recessed portion 5 of the front
surface constitutes a display surface for advertising matter, for example an advertising
poster, whilst the remainder of the front surface is used for information relating
to the aerial.
[0021] In other embodiments of the invention, the panel may be of non-integral construction,
that is it may be made up of a plurality of parts. It may also include means to contain,
for example beneath an openable cover, information concerning the location in which
the aerial is located, for example a map of the area. A map is photographically printed
onto a sheet fixed to the panel 1. At points on the map corresponding to the location
of heat/temperature/smoke sensors within the installation small lamps (either incandescent
or light-emitting diodes) are fitted, in each case by piercing the panel and screwing
the lamp in position. The lamps are connected to a logic circuit which in turn is
connected to an alarm panel inside the installation. The logic circuit recognises
when a sensor has tripped and latches the corresponding lamp on the map into the 'on'
state. A battery back-up may maintain the alarm state/lamp on condition regardless
of what may occur within the installation later. A solar panel may be used to provide
the stand-by battery with a small charge during periods of non-use.
[0022] Figures 3 and 4 show a two-component panel 10 of the invention comprising the rear
component 11 accommodating an aerial on a rear face thereof in the same manner as
the panel 1 of Figures 1 and 2, and having an aerial socket 12 on the front face thereof,
and also comprising a front component 13 connected to the rear component by means
of hinges 14. The rear component has legs 15 so that the panel 10 as a whole is free-standing.
[0023] The front component 13 has a display surface 16 to which advertising matter can be
affixed, normally in an area 17 of the surface 16, and which in the "closed" position
shown in Figure 3 is on an outer surface of the panel 10 as a whole.
[0024] When the panel 10 is opened by pivoting the component 13 about the hinges 14 into
the "open" position shown in Figure 4, when the aerial is to be used, a compartment
is revealed containing not only a radio aerial socket 12 but also information concerning
the location of the aerial in the form of a map 18 on the component 11 and a general
layout 19 on the component 13.
1. An advertising panel having a display surface (5, 16) on which an advertisement
is displayed, characterised in that the panel (1) incorporates an aerial (2).
2. An advertising panel according to Claim 1, characterised in that the panel (1)
incorporates a tuning circuit for the aerial (2).
3. An advertising panel according to Claim 1 or Claim 2, characterised in that the
panel (1) incorporates an aerial connector provided for connection of a portable transmitter
and/or receiver to the aerial (2).
4. An advertising panel according to Claim 1, 2 or 3, characterised in that the panel
(1) incorporates a supplementary communications connector provided for connection
of a portable transmitter and/or receiver to a telephone or other communications system.
5. An advertising panel according to any preceding claim, characterised in that the
aerial (2) is in the form of an electrically conductive loop extending around the
periphery of the panel (1) .
6. An advertising panel according to any preceding claim, characterised in that the
aerial (2) is accommodated in a recess in a rear surface of the panel (1).
7. An advertising panel according to any preceding claim, characterised in that the
panel (1) comprises two components (11, 13) connected to one another to form a compartment
therebetween.
8. An advertising panel according to Claim 7, characterised in that the aerial (2)
is part of a rear component (11) of the panel (1) and the display surface (16) is
provided on a front component (13) of the panel (1).
9. An advertising panel according to Claim 7 or 8, characterised in that one component
is hingedly connected to the other component to provide access to the compartment.
10. An advertising panel according to any preceding claim, characterised in that the
panel (1) incorporates a visual display providing an indication of actuation of at
least one remote sensor.