GB2469160A - A Miniature, Weather Resistant Proximity Reader - Google Patents

A Miniature, Weather Resistant Proximity Reader Download PDF

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Publication number
GB2469160A
GB2469160A GB0921453A GB0921453A GB2469160A GB 2469160 A GB2469160 A GB 2469160A GB 0921453 A GB0921453 A GB 0921453A GB 0921453 A GB0921453 A GB 0921453A GB 2469160 A GB2469160 A GB 2469160A
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GB
United Kingdom
Prior art keywords
housing
proximity reader
screw
speaker
reader
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
Application number
GB0921453A
Other versions
GB0921453D0 (en
GB2469160B (en
Inventor
David Tymlin
James Moran
John Kavanagh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ACTIP Ltd
Original Assignee
ACTIP Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ACTIP Ltd filed Critical ACTIP Ltd
Publication of GB0921453D0 publication Critical patent/GB0921453D0/en
Publication of GB2469160A publication Critical patent/GB2469160A/en
Application granted granted Critical
Publication of GB2469160B publication Critical patent/GB2469160B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10336—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10118—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/01—Details
    • G07C9/00007—
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Casings For Electric Apparatus (AREA)
  • Lock And Its Accessories (AREA)

Abstract

A miniature, weather resistant proximity reader 1 containing a RFID proximity tag reader. The proximity reader has a housing 3 with a pair of screw posts 17, 19 that extend through the housing to enable the proximity reader to be secured to a wall or other structure. A pair of screw caps cover the screw posts and are secured in the housing via engaging arms that engage with corresponding slots in the housing. A front facing speaker is mounted in the casing and a plurality of speaker holes are formed in the housing adjacent and surrounding the screw post. These speaker holes are in turn covered by a screw cap. The thickness of the screw cap may be reduced adjacent to the speaker holes. An annular gasket 23 may surround the speaker holes. Also disclosed is a process of manufacturing a proximity reader.

Description

"A proximity reader"
Introduction
This invention relates to a proximity reader of the type used to identify radio frequency identification (RFID) cards in an access control system. More specifically, this invention relates to a miniature, weather resistant proximity reader and does not relate to larger multifunctional intercoms systems.
Proximity readers are commonly used in access control systems. Typically, proximity readers are mounted on a wall adjacent an entrance of a building monitored by the access control system. The proximity reader detects the presence of an RFID tag in the vicinity of the reader and communicates with a control module which in turn decides whether or not to permit access to the holder of the RFID tag to the building. Usually, the proximity reader is provided with a miniature speaker that provides an audible indicator to the individual attempting to gain access when their access request has been successful and the locking mechanism on the entrance has been temporarily released.
There are however numerous problems with the known types of proximity readers.
First of all, the miniature speaker is often very difficult to hear, particularly when operating in an area with a high level of ambient noise or in windy conditions.
Secondly, the miniature speaker is prone to damage by ingress of dirt and moisture into the proximity reader and furthermore is susceptible to damage when the proximity reader is being mounted onto a wall. It is an object of the present invention to overcome at least one of these problems.
U52007/0188299, in the name of Immotec Security Systems Limited, describes an interphone panel for a multiple dwelling building having a speaker and an RFID reader. This device is not a miniature weather resistant proximity reader within the meaning of the present invention but rather is a large scale device in which space, internal positioning of the speaker and weather resistance are of no particular concern. This is illustrated by the fact that the casing is relatively large and has a plurality of apertures in the front of the casing where ingress of dirt and moisture is likely. As the front of the device is not sealed, the ability to hear the speaker through the casing and the relative placement of the speaker would be of no particular concern.
Statements of Invention
According to the invention there is provided a miniature, weather resistant proximity reader comprising a wall mountable ruggedised housing having a front, back and sides, a pair of screw posts extending through the housing from the front to the back each for reception of a fixing screw therein to fix the proximity reader to a wall, a pair of screw caps each having housing engaging arms for reception in complimentary receiving slots on the housing to secure the screw caps in position on the housing covering the screw posts, the proximity reader comprising an electronics unit including an RFID reader and a speaker mounted in the housing, the speaker facing forwards in the housing towards the front of the housing and in which there are provided a plurality of speaker holes in the front of the housing adjacent the screw post and covered in use by one of the screw caps.
The known types of miniature proximity readers have rearward facing speakers located at the rear of the device. As a consequence, the audible indication from the speaker is often difficult to hear and is also prone to both water ingress and damage caused by uneven surfaces upon which it is mounted crushing the speaker. By having the arrangement according to the present invention, it will be possible to hear the audio indicators more clearly, even if operating in an area with a high level of ambient noise or in windy conditions. The plurality of speaker holes towards the front of the housing allows the speaker to be heard even though it is mounted front facing in the casing and the provision of the screw cap over the speaker holes prevents ingress of moisture and dirt through these holes, keeping the proximity reader weather resistant. In addition to this, by having the screw cap over the speaker holes, the screw cap or the area of the screw cap around the holes can be thinner than the remainder of the casing, thereby improving the audio quality further. Furthermore, the miniature speaker will be less prone to damage by ingress of dirt and moisture into the proximity reader and less susceptible to damage when the proximity reader is being mounted onto a wall due to the fact that the speaker will now be housed internal the housing and front facing rather than being exposed at the rear of the housing.
In another embodiment of the invention there is provided proximity reader in which the electronics are potted in the housing.
In a further embodiment of the invention there is provided proximity reader in which the back of the housing is sealed. This is seen as particularly advantageous as the electronics circuit and in particular the speaker will be sealed watertight in the housing thereby preventing damage to the speaker due to ingress of dirt and moisture.
In one embodiment of the invention there is provided a proximity reader in which there is provided an annular gasket surrounding the holes.
In another embodiment of the invention there is provided a proximity reader in which the screw caps housing engaging arms are releasably secured in the complimentary receiving slots on the housing. Preferably, the arms form a snap fit in the slots.
In a further embodiment of the invention there is provided a process of manufacturing a miniature, weather resistant proximity reader comprising the steps of: moulding a housing having a front, back and sides with a pair of screw posts extending through the housing from the front to the back, the housing having a plurality of speaker holes formed in the front of the housing adjacent one of the screw posts; mounting an electronics unit comprising an RFID reader and a speaker in the housing with the speaker facing forwards in the housing towards the front of the housing adjacent the screw post; and sealing the back of the housing thereby sealing the electronics unit therein.
In one embodiment of the invention there is provided a process in which the step of sealing the back of the housing further comprises potting the electronics unit.
In another embodiment of the invention there is provided a process comprising the intermediate step of placing a gasket in the housing surrounding the speaker holes prior to mounting the electronics unit.
Detailed Description of the Invention
The invention will now be more clearly understood from the following description of some embodiments thereof given by way of example only with reference to the accompanying drawings in which: Fig. 1 is a front view of a miniature, weather resistant proximity reader according to the invention; Fig. 2 is a right hand side view of the proximity reader; Fig. 3 is a cross-sectional view of the proximity reader along the lines A-A in Fig. 1; Fig. 4 is a left hand side view of the proximity reader; Fig. 5 is a rear view of the proximity reader without the electronic unit in the housing; Fig. 6 is an enlarged view of the circled portion in Fig. 5; Fig. 7 is a front view of a screw cap which forms part of the proximity reader; Fig. 8 is a right hand side view of the screw cap of Figure 7; Fig. 9 is another front view of the screw cap; Fig. 10 is a cross-sectional view of the screw cap along the lines A-A of Fig 9; Fig. 11 is a left hand side view of the screw cap of Figure 7; Fig. 12 is an isometric view of a gasket which forms part of the proximity reader.
Referring to Figures 1 to 6 inclusive there is shown a miniature, weather resistant proximity reader, indicated generally by the reference numeral 1 comprising a housing 3 having a front 5, back 7 and sides 9, 11, 13, 15. The housing 3 has a pair of screw posts 17, 19 extending through the housing from the front 5 to the back 7, each for reception of a fixing screw (not shown) therein to fix the miniature proximity reader to a wall.
Referring specifically to Figure 6, there are provided a plurality of speaker holes 21 in the front 5 of the housing adjacent the screw post 17. These speaker holes 21 are covered in use by a screw cap (not shown) and are surrounded internal the housing by a gasket 23. There are further provided a plurality of slots 25 adjacent each of the screw posts for reception of a housing engaging arm (not shown) of a screw cap. The housing engaging arms are snap fit into the slots 25 and the screw cap covers both the screw post 17 and the holes 21. The position of the gasket 23 is also shown in Figure 1 for illustrative purposes only and it will be understood that the gasket would not normally be visible from the front of the device.
Referring specifically to Figure 3, the proximity reader 1 comprises an electronics unit 27 having a RFID reader 28 and a speaker 29 located in the housing. The speaker 29 is mounted facing forwards towards the front 5 of the housing 3 and is located adjacent the plurality of speaker holes 21 in the front of the housing.
Referring to Figures 7 to 11 inclusive, there is shown a screw cap, indicated generally by the reference numeral 31, for a proximity reader according to the invention. The screw cap shown is not to scale and has been enlarged for clarity.
The screw cap 31 comprises a plurality of housing engaging arms 33 for reception in the complimentary slots of the housing. Each of the housing engaging arms 33 forms a snap fit or push fit in the respective complimentary slot 25 of the housing.
When in position with its arms 33 engaged in the slots 25, the screw cap covers a screw in the screw post 17, 19 and the screw cap also covers the holes 21. Each screw post has a screw cap associated therewith.
Referring to Figure 12, there is shown an isometric view of a gasket 23 used in the proximity reader according to the present invention. The gasket comprises a substantially figure-of-eight shaped body with a first circular portion 37 and a second elliptical portion 39 connected to the first circular portion. The first circular portion surrounds the holes 21 and limits ingress of moisture into the interior of the proximity reader. The second elliptical portion 39 is slightly offset to one side of the first portion and surrounds an aperture for a light emitting diode (LED) that is used as a visual indicator for the person attempting to gain entry into the building.
Throughout this specification, the term building has been used but it will be understood that other structures could be envisaged where the proximity reader of the access control system could be located. Furthermore, reference has been made to entrance throughout but this will also be understood to also incorporate an exit and the term entrance has been used for simplicity throughout. Finally, the proximity reader has been described as being outside a building but it will be understood that the proximity reader could be used internal the building and could be used on doors other than entrances and exits such as an internal door or the like.
In the specification the terms "comprise", "comprises", "comprised" and "comprising" and the terms "include", "includes", "included" and "including" are deemed totally interchangeable and should be afforded the widest possible interpretation.
The invention is in no way limited to the embodiment hereinbefore described but may be varied in both construction and detail within the scope of the claims.
GB0921453.7A 2009-04-03 2009-12-08 A Miniature, Weather Resistant Proximity Reader Active GB2469160B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IES20090264 2009-04-03

Publications (3)

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GB0921453D0 GB0921453D0 (en) 2010-01-20
GB2469160A true GB2469160A (en) 2010-10-06
GB2469160B GB2469160B (en) 2015-07-01

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IE (1) IE86708B1 (en)

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US8520069B2 (en) 2005-09-16 2013-08-27 Digital Ally, Inc. Vehicle-mounted video system with distributed processing
US8503972B2 (en) 2008-10-30 2013-08-06 Digital Ally, Inc. Multi-functional remote monitoring system
US9019431B2 (en) 2012-09-28 2015-04-28 Digital Ally, Inc. Portable video and imaging system
US10272848B2 (en) 2012-09-28 2019-04-30 Digital Ally, Inc. Mobile video and imaging system
US9253452B2 (en) 2013-08-14 2016-02-02 Digital Ally, Inc. Computer program, method, and system for managing multiple data recording devices
US10390732B2 (en) 2013-08-14 2019-08-27 Digital Ally, Inc. Breath analyzer, system, and computer program for authenticating, preserving, and presenting breath analysis data
US9159371B2 (en) 2013-08-14 2015-10-13 Digital Ally, Inc. Forensic video recording with presence detection
US10075681B2 (en) 2013-08-14 2018-09-11 Digital Ally, Inc. Dual lens camera unit
US10849483B2 (en) 2014-09-15 2020-12-01 Vivid Medical, Inc. Single-use, port deployable articulating endoscope
WO2016061533A1 (en) * 2014-10-17 2016-04-21 Digital Ally, Inc. Breath analyzer, system, and computer program for authenticating, preserving, and presenting breath analysis data
US9841259B2 (en) 2015-05-26 2017-12-12 Digital Ally, Inc. Wirelessly conducted electronic weapon
US10013883B2 (en) 2015-06-22 2018-07-03 Digital Ally, Inc. Tracking and analysis of drivers within a fleet of vehicles
WO2017136646A1 (en) 2016-02-05 2017-08-10 Digital Ally, Inc. Comprehensive video collection and storage
US10521675B2 (en) 2016-09-19 2019-12-31 Digital Ally, Inc. Systems and methods of legibly capturing vehicle markings
US10911725B2 (en) 2017-03-09 2021-02-02 Digital Ally, Inc. System for automatically triggering a recording
US11024137B2 (en) 2018-08-08 2021-06-01 Digital Ally, Inc. Remote video triggering and tagging
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SECURAKEY "Radio Key RTM, Installation Instructions". Available from http://www.gateoperator.net/Products/SecuraKey/RKWMMulti_prod%20manual.pdf . Accessed on 11/03/2010. (Dated 30/11/00) *
VISONIC TECHNOLOGIES "RDR-4, RDR-4B, RDM-4 External Proximity Readers" Installation Instructions. Available from http://www.visonictech.com/Open%20Docs/VisAccess/VisAccess%20Specs/RDR-4%20External%20Proximity%20Readers%20DE6304-2.pdf . Accessed on 11/03/2010. (Dated 09/2003) *

Also Published As

Publication number Publication date
GB0921453D0 (en) 2010-01-20
GB2469160B (en) 2015-07-01
IE86708B1 (en) 2016-10-05
IE20090923A1 (en) 2010-09-29

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