WO2008134500A2 - Dispositif et procédé permettant de loger du matériel électronique et d'augmenter l'utilisation de l'espace au sol dans un environnement sécurisé - Google Patents

Dispositif et procédé permettant de loger du matériel électronique et d'augmenter l'utilisation de l'espace au sol dans un environnement sécurisé Download PDF

Info

Publication number
WO2008134500A2
WO2008134500A2 PCT/US2008/061554 US2008061554W WO2008134500A2 WO 2008134500 A2 WO2008134500 A2 WO 2008134500A2 US 2008061554 W US2008061554 W US 2008061554W WO 2008134500 A2 WO2008134500 A2 WO 2008134500A2
Authority
WO
WIPO (PCT)
Prior art keywords
brackets
back plate
rack
dimension
mounting
Prior art date
Application number
PCT/US2008/061554
Other languages
English (en)
Other versions
WO2008134500A3 (fr
Inventor
Tod A. Wagner
Richard F. Murphy
Original Assignee
Blackhawk Labs, Llc
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
Priority claimed from US12/109,228 external-priority patent/US8152000B2/en
Application filed by Blackhawk Labs, Llc filed Critical Blackhawk Labs, Llc
Publication of WO2008134500A2 publication Critical patent/WO2008134500A2/fr
Publication of WO2008134500A3 publication Critical patent/WO2008134500A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1485—Servers; Data center rooms, e.g. 19-inch computer racks
    • H05K7/1488—Cabinets therefor, e.g. chassis or racks or mechanical interfaces between blades and support structures

Definitions

  • the disclosed subject matter relates generally to a rack for allowing computer equipment to be mounted vertically to save floor space.
  • each U space is an industry standard 1.75 inches - 6U depth would be 14 inches, 8U depth would be 17.5 inches, 10U depth would be 21 inches, and so on.
  • Standard cabinets usually mount components horizontally and have from 25 to 34 inches in allowable component depth, with overall cabinet depths as much as 40 inches.
  • the U height faces the front of a cabinet, and 4OU to 42U are available in standard cabinets. In larger "Data Center” applications, these cabinets can house dozens to hundreds of U spaces in equipment. Because these cabinets mount modular components horizontally, they waste a lot of space.
  • Standard full size, horizontal mount, cabinets need access to front and back doors and often side panels, thus increasing actual floor space requirements even more.
  • our novel equipment rack allows rack mount form factored equipment to be mounted vertically, instead of horizontally, as a system in a secured environment and allows up to 400 pounds of rack mount form factored equipment to be mounted.
  • Our rack has interchangeable 4U, 6U and 8U bracket sets, bottom vented panel or bottom fan tray, top lockable cover, and utilizes a common back plate, or base, with a front panel that includes a built-in level for ease of mounting.
  • the rack has an effective working depth of 26 inches for the use of all rack mount form factored equipment, without restriction as to equipment function.
  • the apparatus can be mounted on any solid surface such as a wall or a relay rack, for example a two-post rack, and is easily installed by a single technician.
  • the rack can be implemented in a commercial version or a secure version.
  • our rack allows 4U of vertically mounted rack mount form factored equipment to be mounted in an apparatus with a total depth from wall of only 11 inches.
  • the apparatus includes an additional 2U of patch panel space available integrated in the main back plate, or base.
  • the rack can also include an integrated common earth grounding stud on the base for safety.
  • Our rack further allows the use of interchangeable support arms in 4U to 1OU, or other suitable dimension) increments that allow for expansion without full replacement of rack mount form factored systems and can be mounted on any solid flat vertical surface and industry standard 19 inch relay racks, e.g., two-post racks.
  • Solid flat surfaces our rack can be mounted on include, but are not limited to, walls such as poured concrete, concrete block, brick and gypsum with wood studs 16 inches on center.
  • An integrated standard mounting pattern for 1 U or 2U CAT5e patch panels further increases installation efficiency and space utilization of our system. When used with integrated cable management bridge lances to dress and tie down both power and data cabling, this further increases installation efficiency and space utilization of cabinet systems.
  • Our rack also allows data and power cabling access from top, bottom or back. Further, the back panel allows feed through of data cabling and airflow.
  • rack mount form factored equipment can be optimized in restricted space applications with two-post mounting configured "back to back".
  • two-post racks can be used.
  • the two- post rack can be comprised of extruded aluminum with threaded holes on both front and back faces, materials other than aluminum can be used.
  • the rack can mount through this hole pattern and can be set flush to the mounting surface for back-to back installation for increased component density.
  • Another feature of our rack is threaded holes (2 per side in one embodiment) in the back plate to allow retainer screws to be installed through the brackets to keep the brackets from dislodging during equipment installation, service or by accidental impacts.
  • Our rack can also be made in one or more secure versions for installation in places like prison facilities and can have extra levels of tamper resistance that make the rack very difficult to damage, open by picking or prying, disable, sabotage, and other
  • a secure version can include tamper resistance by adding baffling of ventilation areas, for example in both top and bottom vent patterns.
  • a secure version can have an additional layer on the outside containing offset baffles wherein the fans cannot be tampered with or easily splashed with liquids.
  • a commercial version could have a single cam lock without a security collar or escutcheon and be acceptable for most situations.
  • the secure version can have two cam locks with security collars and the standard pivoting cam lever replaced with a custom double cam, thus allowing four points of contact for locking the cover of the cabinet.
  • the commercial version could have 2U of space to allow patch panel rack mountable components in most situations, whereas the secure version could prevent using this space on the base so that the secure cover of the rack can use the inside edges to align the cover and thus improve tamper resistance of the cover.
  • the rack can be designed to be assembled in an overlapping fashion which allows no exposed hardware throughout system with the last piece to be assembled being the first to be removed in sequence in A lockable cover, with double cams as set forth above.
  • This feature would usually have no exposed mounting hardware, and nothing to disassemble. Thus it would not allow unauthorized access, damage or theft.
  • the back plate or base can be mounted to a wall or two-post rack.
  • the side brackets would slip into place, as discussed herein, secured in place by screws, such as set screws in one example.
  • the top cover locks would slide through the front panel cut-outs, can fully enclose the space, and can be secured with one or two locks as set forth above.
  • the rack has an optional fan in a fan tray, but can have convection cooling with a vented bottom panel of the base, with vented upper sides of the base if desired.
  • a thermal sensor switch can be mounted in side the rack cabinet and can turn on when internal temperature reaches a certain level and shut off when the temperature drops to a predetermined level; such as, for example, 25 degrees F. Thus the fan would run only when needed, increasing service life.
  • Fig. 1 illustrates a standard component of electronic equipment that is rack mounted in computer data centers.
  • Fig. 2 illustrates a prior art method of mounting standard components horizontally.
  • Fig. 3A illustrates an electronic component showing its dimensions.
  • Fig. 3B illustrates schematic view of an embodiment of our rack that mounts standard components vertically.
  • Fig. 4A is a front view of the base, or back panel, of our rack.
  • Fig. 4B illustrates a more secure version of the base of our rack.
  • Fig. 5 is a view of the base of our rack showing two-post mounting.
  • Fig. 6 is a view of the base of our rack showing mounting into 16 inches on center solid wood wall studs.
  • Fig. 7 is a view of our rack showing the brackets thereof.
  • Fig. 8A is a more detailed illustration of one embodiment of the brackets of our rack.
  • Fig. 8B is an illustration of one manner of attaching brackets to our rack.
  • Fig. 8C is an illustration of longer brackets attached to a secure version of our rack.
  • Fig. 8D is an illustration showing the front panel of our rack, and a method of its installation.
  • Fig. 8E is an illustration showing the top cover of our rack and a method of its installation.
  • Fig. 8F is an illustration showing the combination of the front panel and the top cover in relationship to each other.
  • Fig. 8G is an illustration showing the locking relationship of those the front panel and the top cover.
  • Fig. 8H is an illustration showing the back of the top cover and illustrates how flanges allow the top cover to mate with the backing plate.
  • Fig. 9 is an illustration of our rack with two components mounted vertically thereon, also showing the location of patch panels and side components.
  • Fig. 10A is a perspective illustration showing our rack in "back-to-back" relationship.
  • Fig. 1 OB is an illustration showing a side view of our rack in a "back-to-back" relationship.
  • Fig. 10C is a perspective illustration showing our rack in "back-to-back" relationship, also illustrating how the components and the patch panels can be mounted on a rack by screws.
  • Fig. 11 shows an alternate embodiment of our panel with a front panel and top panel arranged to allow easier access to the components.
  • Fig. 1 illustrates a standard component of electronic equipment 1 that is rack mounted in computer data centers. Typical data centers maximize rack cabinet density, and standard cabinets are 30 to 34 inches in depth. Cabinet housings have 1.75 inch unit spacing which conforms to the component multiplier. Standard battery backup power supplies, as an example, are 2U high and 20-26 inches in depth.
  • Fig. 2 illustrates a typical prior art method rack for mounting components of electronic equipment horizontally.
  • Fig. 3A illustrates a rack mountable component 1 that typically has a deep measurement of y inches, a height of x inches.
  • Fig. 3B shows the rack-mountable electronic component 1 vertically mounted on our rack 2.
  • Rack 2 includes base 4 and brackets 7L and 7R. All parts of our rack can be made of 14 gauge steel.
  • Component 1 is mounted vertically by the brackets or side panels 7I_ and 7R and can be secured by screws.
  • the brackets or side panels of the rack are of length z which is shorter than the depth y of the rack-mountable component. Hence when the component 1 is mounted as shown, the square footage taken up by the rack with the component mounted is less than in typical configurations used in the industry.
  • Fig. 4A shows a front view of the base, or back panel, 4 of our rack.
  • Top access for data cable or power cable is seen at 6a and 6b.
  • Built-in level 5 allows easy installation for single service personnel.
  • Side panel 8 allows attachment of a 1 U or 2U patch panel directly inside the back panel without sacrificing any space in the mounting surface of the side panels.
  • Openings 10 and 12 allow ancillary equipment, both rack and non-rack mountable, to be attached to the side panel by hanging or screwing onto the back panel.
  • Large rear panel access, 14, which may be circular or of other configuration, allows pass-through cable routing in two-post back-to-back mounting applications.
  • Bridge lances 16 are incorporated into the rack to allow data and power cable management for input and output wiring with top or bottom egress, as well as to facilitate service loops.
  • a grounding stud 18 is integrated into the base further assisting quick and convenient system installation. This provides a method for easily attaching the installed equipment to a building's earth ground system.
  • the back-plate of the rack allows three mounting options. Holes A (both left and right, with right hole A hidden in the figure) accommodate toggle bolts for mounting on block walls or an electrical panel. Slots B are centered at 16 inches for allowing the base to be secured by screws that are screwed into studs or other wood surfaces using #10 or other suitable screws. Holes C allow mounting to a two-post rack such as a standard two-post open frame rack. Finally, the base has cutouts 13 on both sides of the base that match location of tabs on brackets 7L and 7R as illustrated
  • Fig. 4B illustrates another, more secure, embodiment of the base of our rack.
  • This embodiment can incorporate certain of the features of Fig. 4A and, in addition, is an elongated version with more secure features.
  • baffles 17 comprise a baffled air intake that can be on both sides of the base or back plate for secure ventilation. This can work with a temperature controlled fan tray assembly at the bottom of the base, to be explained subsequently.
  • Ancillary equipment such as a patch panel or other equipment can be mounted, in the secure version, in the 4U- 1OU (or other suitable dimension) bracket spaces, discussed above, which keeps the system secure.
  • Fig. 5 shows base 4 of the rack being mounted to a two-post (20, 22) computer rack. Both top and bottom of the two-post rack should be secured before loading our rack.
  • the base can be installed using #12-24 screws (24, 26) at the top using the integrated level 5 to locate the proper mounting pattern. Usually 10 screws are recommended for a full payload rating of our rack.
  • the extended base 4 of Fig. 4B can be used as well.
  • Fig. 6 shows mounting the base 4 into 16 inches on center wood (or other appropriate material) wall studs 50, 52.
  • the studs should be located before marking the top two locations for pilot holes. Pilot holes of .150 inch, or other suitable dimension, can be drilled at the top using the integrated level 5 to locate the proper mounting pattern.
  • the rack can be mounted to a cinder block or other approved hollow wall using hole pattern C shown in Fig. 4A. This is recommended for high security applications.
  • SA ⁇ 8075569.1 compression studs or other associated inserts can be applied as required.
  • the base can be lifted and the bolts can hand tightened, with fender washers, most of the way into the stud and then all screws can be tightened.
  • An approved hollow wall application is considered to be either a cinder block wall or NEC type 3/4 inch plywood electrical panel backing using toggle bolts for a safely fully rated load of the rack.
  • toggle bolts For mounting on a block wall, 1/4 inch by 3 inch toggle bolts can be used to support the base of the rack.
  • the hollow pocket in the block should be located so that the toggle bolt can open properly to support the weight.
  • Toggle bolt clearance hole can be 1/2 inch.
  • Fig. 7 illustrates brackets or side panels 7L, 7R that are attached to the base 4 of the rack.
  • the brackets can be marked in standard 1 U (1.75 inch) spacing set horizontally instead of vertically for the typical cabinet.
  • the rack allows attachment of the brackets by hooking spaced spring tabs into cutouts or notches, both the tabs and the notches are shown in Figs. 8A to 8C.
  • the brackets can be made in sizes such as 4L), 6U, and 8U and typically use the same back-plate.
  • Fig. 8A shows brackets 7L and 7R.
  • the illustration of bracket 7L shows its inside surface with tabs 9 running vertically, and bracket security screw hole 11.
  • Bracket 7R is similar.
  • Fig. 8B shows a close up view of the bracket 7L being secured to base 4.
  • Securing bracket 7R is done similarly.
  • the base has cutouts 13 that match the location of tabs 9 on bracket 7L.
  • One bracket should be engaged on the base at a time, confirming that all tabs 9 are nested into cutouts or notches 13 on the base, and then slid down to fully set the bracket.
  • the clearance hole 11 in bracket 7L should align with a threaded hole 15 in the base or back plate.
  • a screw such as a #12-24 screw can be tightened through hole 11.
  • Securing the opposite bracket 7R is done in the same manner as described for bracket 7L.
  • Fig. 8C illustrates longer brackets 7L, 7R attached to a secure version of our rack.
  • a longer back panel can be used for a secure version of our rack.
  • Longer side brackets 7L and 7R can be used since the back panel can accommodate all bracket sizes available, 4U through 10U, protecting the entire height of the rack.
  • two #12-24 safety screws can be installed through holes 11A and 11 B, installed much like element 11 in Fig. 8A and Fig 8B, through each side bracket.
  • Patch panels if desired to be used in the secure version, can occupy hanging U space on the inside of brackets 7L, 7R. Tamping the bracket down with a mallet can be advisable, taking care to protect the finish of the rack from marring by using a cardboard buffer while nesting the tabs.
  • the brackets can have slots, here three, 19A, 19B, and 91 C, located on the front of each bracket firmly fitting front panel hooks, to be described, which slide down to fully set the bracket.
  • the front panel is secured at the top with two #12-24 screws. Slots or cutouts 21 located at the bottom of each bracket will allow a fan tray, describe below, to slide in and be locked when the front panel is installed.
  • Fig. 8C also illustrates a fan tray, or fan assembly, 42, discussed briefly above, that is sized to fit, and matched the U space of the brackets and top cover from 4L) to 10U cabinets, as one example.
  • the fan tray is aligned with fan grills and wiring facing up and slides into the cutouts 21 at the bottom of each side bracket.
  • the bottom of each bracket 7I_ and 7R can have bracket 21 B affixed thereto by welding or other suitable securing means, to enable the fan assembly to slide appropriately into position.
  • Each fan tray is sized to fit and matches the U space of brackets and top cover from 4U to 1OU cabinets.
  • the fan tray assembly has an AC input cord 37 and a temperature sensing module 39 attached.
  • the sensor can be mounted centrally on the back panel by sliding the tab into one of the convenient bridge lances or by using the supplied velcro® (Velcro is a trademark of Velcro Industries).
  • the AC input plug of the fan tray should be connected to an internal AC source, and a UPS output, (if available), is recommended.
  • the fan tray is secured by attaching the front panel to the left and right side panels of the cabinet as explained more fully in Fig. 8D.
  • Fig. 8D illustrates how the front panel is installed via hooks into three slots, 19A through 19F, in the front of both side brackets. Slots 19A and 19B are hidden in this figure but are seen in Fig. 8C.
  • front panel 23 slides downward until security screws 25, 27 can be installed through holes at the top of front panel into holes 27A and 27B in each side bracket.
  • top cover-front cover design without departing from the spirit or scope of the invention.
  • the illustrated top cover actually goes over the front cover with a lock mechanism on the top cover and the receptacle for the lock on the front cover, one could modify the secure rack so that the top cover abuts the front cover behind the front cover, with the lock mechanism on the front cover and the lock mechanism receptacle on the top cover. So the lock mechanism associated with the top cover and the front cover could be located on either the top cover or the front cover, depending on how one designs the abutment of those two covers.
  • Fig. 8F shows the combination of the front panel and the top cover in relationship to each other.
  • Fig. 8G shows the locking relationship of those two elements.
  • Fig. 8H shows the back of the top cover and illustrates how the flanges 32A-32C allow the top cover to mate with the backing plate.
  • FIG. 11 Another alternate embodiment is seen in Fig. 11.
  • a secure combination front panel and top cover is provided, the front panel and top cover secured at the top.
  • This can be equipped several ways wherein after installation and set up, access to the front face of the mounted equipment can be done without the dismantling of the top cover.
  • One way uses two rails or front frame attaching in various ways, the ways being within one of skill in the art, to the front edges of the left and right brackets.
  • the frame can allow the bottom edge of the front panel pivot points and a stop mechanism to keep the front panel from swinging too far, thus preventing injury to the assembler or the person accessing the mounted equipment.
  • the top edge of the front panel will have contact points for allowing a pivoting top cover to swing forward and engage the back plate in a similar fashion as the design that was described earlier, and be held in place with one or more locks on the front panel.
  • the top cover can swing down and rest on the front panel, as seen in dashed line format, allowing front access to the mounted equipment,.
  • Fig. 9 shows the rack loaded with two different types of rack-mountable equipment components, 1 , 3 in space saving vertical arrangement.
  • Patch panels 34, 36 can be
  • SA ⁇ 8075569.1 added at the top of the base.
  • Power distribution unit 38 can be added on the side of the base.
  • Cable management hooks 40 can be added to the top or the side to manage cables such as CAT5 cables.
  • Fig. 10A is a perspective illustration showing our rack in "back-to-back" relationship to show one of the space saving features described above. Only the base or back plate is shown in Fig. 10A but the reader will appreciate that the entire rack can then be built up from that, as described above.
  • Fig. 10B is an illustration showing a side view of our rack in a "back-to-back” relationship.
  • Fig. 10C is a perspective illustration showing our rack in "back-to-back” relationship, also illustrating how the components and the patch panels can be mounted on a rack by screws.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

Un bac pour matériel électronique permet de pendre du matériel électronique verticalement afin d'économiser de l'espace pour des composants profonds. Ceci est obtenu grâce à un dispositif de bac vertical avec des panneaux latéraux horizontaux sur lesquels des composants sont montés verticalement. Les panneaux latéraux du bac sont plus courts que la profondeur des composants à monter sur ce bac, ou à l'intérieur des panneaux, permettant ainsi d'économiser de l'espace. Le bac peut être déployé en fonction d'un accroissement de matériel utilisateur. Ce dispositif peut être monté sur une paroi ou sur un bâti de relais EIA standard. Ce dispositif propose une gestion des câbles pour le matériel qui s'ajustent dans des canaux à fils et permet d'avoir un panneau de raccordement monté sans impliquer d'espace en U dans le dispositif même. Cet appareil peut comprendre un niveau à bulle encastré permettant de faciliter le montage et un goujon de mise à la terre intégré. Une version sécurisée peut comprendre un système d'inviolabilité par l'ajout de chicanes de zones de ventilation, par exemple dans des structures d'ouverture de ventilation supérieure et inférieure, et peut être conçue de façon à être assemblée de manière chevauchante ce qui permet de ne pas exposer de matériel avec la dernière pièce à assembler, qui se trouve être la première à retirer en séquence.
PCT/US2008/061554 2007-04-26 2008-04-25 Dispositif et procédé permettant de loger du matériel électronique et d'augmenter l'utilisation de l'espace au sol dans un environnement sécurisé WO2008134500A2 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US92638407P 2007-04-26 2007-04-26
US60/926,384 2007-04-26
US12/109,212 2008-04-24
US12/109,228 US8152000B2 (en) 2007-04-26 2008-04-24 Apparatus and method for housing electronic equipment and increasing floor space utilization in a secure environment
US12/109,212 US20080264880A1 (en) 2007-04-26 2008-04-24 Apparatus and Method for Housing Electronic Equipment and Increasing Floor Space Utilization
US12/109,228 2008-04-24

Publications (2)

Publication Number Publication Date
WO2008134500A2 true WO2008134500A2 (fr) 2008-11-06
WO2008134500A3 WO2008134500A3 (fr) 2010-01-21

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PCT/US2008/061554 WO2008134500A2 (fr) 2007-04-26 2008-04-25 Dispositif et procédé permettant de loger du matériel électronique et d'augmenter l'utilisation de l'espace au sol dans un environnement sécurisé
PCT/US2008/061545 WO2008134497A1 (fr) 2007-04-26 2008-04-25 Dispositif et procédé permettant de loger du matériel électronique et d'augmenter l'utilisation de l'espace au sol

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US8152000B2 (en) 2007-04-26 2012-04-10 Blackhawk Labs Llc Apparatus and method for housing electronic equipment and increasing floor space utilization in a secure environment
WO2014107420A1 (fr) * 2013-01-02 2014-07-10 Mcafee Inc. Cloison opaque évitant la visualisation de structures internes dans un équipement électronique sécurisé

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FR3080496B1 (fr) * 2018-04-23 2020-05-15 Schneider Electric Industries Sas Module intelligent pour panneau d'armoire de brassage recevant des cables de transfert de donnees

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US6331933B1 (en) * 1999-10-08 2001-12-18 Sun Microsystems, Inc. Power sub-frame for a system unit
US6388880B1 (en) * 2000-10-19 2002-05-14 Fijitsu Network Communications, Inc. Removable fan tray assembly with latching features
WO2005064110A1 (fr) * 2003-12-23 2005-07-14 Tegometall (International) Ag Armoire
US20050253489A1 (en) * 2004-05-17 2005-11-17 Ronald Heyer Self-squaring modular cabinetry
US20060158842A1 (en) * 2005-01-14 2006-07-20 Dell Products L.P. Computer system chassis including a pivotable cable management bracket
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US3877396A (en) * 1973-07-30 1975-04-15 Coca Cola Co Knockdown display rack
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US6962262B2 (en) * 2003-02-10 2005-11-08 Dennis Toma Connecting corner for knock down racks
US20060043031A1 (en) * 2004-08-26 2006-03-02 Cooper Technologies Company Electronic equipment rack

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US4956750A (en) * 1989-03-17 1990-09-11 Square D Company Register rack assembly for a programmable controller system
US6331933B1 (en) * 1999-10-08 2001-12-18 Sun Microsystems, Inc. Power sub-frame for a system unit
US6388880B1 (en) * 2000-10-19 2002-05-14 Fijitsu Network Communications, Inc. Removable fan tray assembly with latching features
US20060291144A1 (en) * 2003-03-25 2006-12-28 Markus Verding Patch panel for mounting on a wall or in a subrack
WO2005064110A1 (fr) * 2003-12-23 2005-07-14 Tegometall (International) Ag Armoire
US20050253489A1 (en) * 2004-05-17 2005-11-17 Ronald Heyer Self-squaring modular cabinetry
US20060158842A1 (en) * 2005-01-14 2006-07-20 Dell Products L.P. Computer system chassis including a pivotable cable management bracket

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8152000B2 (en) 2007-04-26 2012-04-10 Blackhawk Labs Llc Apparatus and method for housing electronic equipment and increasing floor space utilization in a secure environment
US10321598B2 (en) 2007-04-26 2019-06-11 Blackhawk Labs Llc Apparatus and method for housing electronic equipment and increasing floor space utilization in a secure environment
US10806048B2 (en) 2007-04-26 2020-10-13 Blackhawk Labs Llc Apparatus and method for housing electronic equipment and increasing floor space utilization in a secure environment
WO2014107420A1 (fr) * 2013-01-02 2014-07-10 Mcafee Inc. Cloison opaque évitant la visualisation de structures internes dans un équipement électronique sécurisé
US9101049B2 (en) 2013-01-02 2015-08-04 Mcafee Inc. Opacity baffle to prevent viewing of internal structures in secure electronic equipment

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WO2008134500A3 (fr) 2010-01-21
WO2008134497A1 (fr) 2008-11-06

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