in the following description , like reference characters designate like or corresponding parts throughout the several views . also in the following description , it is to be understood that such terms as “ forward ,” “ rearward ,” “ left ,” “ right ,” “ upwardly ,” “ downwardly ,” and the like are words of convenience and are not to be construed as limiting terms . referring now to the drawings in general and fig1 in particular , it will be understood that the illustrations are for the purpose of describing embodiments of the inventions and are not intended to limit the disclosure or any invention thereto . as best seen in fig1 and 9 , an in - arm monitor seat 10 is shown embodied according to the present inventions . typically , in - arm monitor seat 10 is an aircraft passenger convenience apparatus and may include seat assembly 12 having an armrest 14 and a monitor presenter . the monitor presenter includes lift latch 22 to control rotational dampener 24 to release upper arm assembly 16 from a stowed position within armrest 14 , and rotate upper arm assembly 16 into a presentation position . in particular embodiments , rotational dampener 24 presents upper arm assembly 16 at a slow - release delay , for instance in a single uninterrupted motion for the ergonomic convenience and safety of the user . the monitor presenter thereby stows and presents a monitor 400 , or the like , from the in - arm monitor seat 10 as described hereinafter . fig1 illustrates one embodiment of in - arm monitor seat 10 having a plate assembly 50 , a neck assembly 56 and an upper arm assembly 16 . typically , plate assembly 50 includes at least one side plate 54 ; however , other examples include a pair of opposing side plates 54 . as illustrated , lift latch 22 is positioned on the upper face of plate assembly 50 so that lift latch 22 is accessible from seat assembly 12 . typically , lift latch 22 includes handle 34 , which may be an ergonomic handle to allow a user to release the monitor presenter assembly from armrest 14 in a single uninterrupted motion . in particular examples , handle 34 is aligned on the distal end of armrest 14 to release the monitor presenter with only a few fingers , for example without disrupting a food tray , grasping across a difficult angle , reaching across an inconvenient expanse while seated in an aircraft passenger seat or the like . fig1 further introduces particular embodiments of neck assembly 56 , which include a support end 100 that is generally supported by plate assembly 50 and a neck 102 . neck 102 may be a variety of shapes , styles and sizes to support the weight of a monitor and present the monitor to the user , while being adapted to be entirely stowed within armrest 14 . for instance , neck 102 may be a cylindrical shaft as illustrated in fig1 , while other examples include non - cylindrical shafts . distal end 110 of neck assembly 56 may include adapter 112 to secure upper arm assembly 16 to neck 102 . as shown in fig1 , adapter 112 may be a socket and include socket fastener holes 114 . in some examples , a shaft sheath 118 is positioned between neck assembly 56 and upper arm assembly 16 . shaft sheath 118 may include a flanged lip that is generally configured to mate with a lip of adapter 112 . fig1 shows upper arm assembly 16 having an upper arm body 20 and a monitor support 120 . as illustrated , upper arm body 20 includes a generally concave body having neck mating end 130 on its proximate side to receive and / or secure upper arm body 20 to neck assembly 56 . in particular examples of upper arm body 20 , the neck mating end 130 is sized to receive shaft sheath 118 between upper arm body 20 and neck assembly 56 . monitor support 120 may be a rigid panel in variety of shapes , styles and sizes to support the weight of a monitor in both a stowed position and the presentation position . typically , monitor support 120 includes monitor fastener holes 122 aligned with a monitor assembly . monitor fasteners 124 may fasten the monitor and / or monitor assembly to monitor support 120 . further , as illustrated in fig1 , monitor support 120 may include neck 126 to help position the monitor in an ideal viewing position during use , i . e . after the monitor presenter has been presented . neck 126 may be a variety of shapes , styles and sizes for the convenience of the user and to support the weight of the monitor assembly . typically , a retainer secures upper arm body 20 to the neck assembly 56 . as shown in fig1 , one example of the retainer is limiter swivel retainer 140 . limiter swivel retainer 140 may include a depressed socket 142 that is generally sized to fit within upper arm body 20 and be fastened to adapter 112 with socket fasteners 144 . washer 152 may be positioned between swivel retainer 140 and adapter 112 . in particular examples , a retainer hat 146 may be secured to the distal end of upper arm body 20 to enclose swivel retainer 140 . as indicated in fig1 , retainer hat 146 may include a fin generally sized and shaped to mate with upper arm body 20 . retainer hat 146 may include a upper arm retaining hole 148 , for instance on the fin as shown in fig1 , that is aligned with a mirroring retaining hole on upper arm body 20 . an upper arm fastener 150 may be used to fasten retainer hat 146 and upper arm body 20 in the respective retaining holes . finally , the distal end of retainer hat 146 may be closed to further enclose upper arm body 20 . fig2 shows one embodiment of a monitor presenter having a lift latch and a neck assembly extension secured between plate assembly 50 . typically , plate assembly 50 includes a pair of mirroring side plates 54 . as best seen in fig2 , the inner face of side plate 54 may include a locking plate lip 56 to mate with armrest 14 . each locking plate lip 56 may include a locking plate hole 62 and at least one , including a pair , of locking plates 60 to fasten plate assembly 50 to armrest 14 and / or seat assembly 12 . some embodiments of locking plates 60 are floating locking plates . typically , locking plate lugs 64 protrude through locking plate hole 62 into locking plate lip 56 to securely fasten locking plates 60 and armrest 14 . other embodiments of side plates 54 include a variety of shapes , styles and sizes to fasten plate assembly 50 to armrest 14 and / or seat assembly 12 . as introduced in fig2 , one side plate 54 may secure a rotational dampener , while the mirroring side plate 54 supports and encloses the unit . depending on the left / right starting orientation to present the monitor , i . e . from armrest 14 as discussed hereinafter , either the right side plate 54 , left side plate 54 or a combination thereof may house and secure a rotational dampener . for instance , as seen in fig2 , the left side plate 54 houses rotational dampener 24 and the mirroring right side plate 54 includes dampener cavity 70 to receive and secure the opposing end of the dampener assembly . washers 152 may be positioned between side plates 54 and the presenter body 52 . a spacer assembly 54 may space the mirroring side plates 54 between the lift latch and a neck assembly extension . spacer assembly 54 may include a spacer sleeve 92 between the lower portions of side plates 54 . as indicated in fig2 , spacer fastener 94 , or the like , may be used to secure spacer sleeve 92 between the mirroring side plates 54 . similarly , another spacer sleeve 92 may be positioned between the upper portions of side plates 54 . as shown , multiple spacer sleeves 92 may be positioned between the plates and may include multiple spacer ball bearings 98 . another spacer fastener 94 , or the like , may pass through spacer sleeve 92 and spacer ball bearings 98 to secure spacer assembly 54 with a spacer nut 96 between the mirroring side plates 54 . fig2 additionally introduces internal components of lift latch 22 , presenter body 52 and associated neck assembly 56 extensions . typically , presenter body 52 includes a lift latch 22 having handle 34 on the operational distal end with an opposing tail end 36 fastened to presenter body 52 . further , presenter body 52 may include a spring plunger 90 . fig3 shows a rear view of isolated elements of presenter body 52 and neck 102 . typically , lift latch 22 has a tail end 36 , which is rotatably latched to presenter body 52 . in particular examples , presenter body 52 includes dowel pin 78 protruding through dowel pin openings 76 . similarly , shaft 82 may protrude through shaft cavity 80 in presenter body 52 to secure side plates 54 . in one exemplary embodiment , shaft 82 is about a six millimeter in diameter linear shaft . other shafts may be a variety of sizes and dimensions . presenter body 52 may additionally include neck assembly holes 84 , through which neck fasteners 86 protrude and fasten presenter body 52 to neck assembly 56 . as seen in fig4 , one embodiment of plate assembly 50 includes a side plate 54 having locking plate lip 56 , dampener cavity 70 and a plurality of holes to secure together the mirroring plates and fasten plate assembly 50 to armrest 14 . as shown , rotational dampener 24 is affixed to the outer face of side plate 54 . typically , rotational dampener 24 includes a surface having dampener retainer holes 46 to mate with side plate 54 . as illustrated , dampener fasteners 48 may protrude through dampener retainer holes 46 within both rotational dampener 24 and side plate 54 to fasten rotational dampener 24 and side plate 54 . nut 38 may further secure dampener fasteners 48 . as further seen in fig4 , ball bearing 74 may be sized to fit within dampener cavity 70 . shaft 82 may protrude through ball bearing 74 , dampener cavity 70 and mate with rotational dampener 24 . additionally , locking plate lip 56 may include a locking plate hole 62 and at least one , including a pair , of locking plates 60 to fasten plate assembly 50 to armrest 14 and / or seat assembly 12 . some embodiments of locking plates 60 are floating locking plates . typically , locking plate lugs 64 protrude through locking plate hole 62 into locking plate lip 56 to fasten locking plates 60 and armrest 14 . fig5 a and 5b illustrate two examples of plate assembly 50 having rotational dampener 24 affixed to the outer face of side plate 54 . as shown , dampener fasteners 48 fasten rotational dampener 24 to the respective outer faces of side plates 54 . typically , rotational dampener 24 is a rotary dampener that utilizes fluid resistance to dampen movement of the monitor presenter . in some exemplary embodiments , oil viscosity is utilized to provide the slow - release braking force of rotational dampener 24 to produce the delayed presentation the monitor presenter of in - arm monitor seat 10 . the slow - release delay may be advantageous when presenting the monitor presenter to a user in a seat assembly . in particular , the slow - release delay from the rotational dampener may be advantageous wherein safety , for instance avoiding , or eliminating , abrupt force and / or startling concerns while presenting a monitor are of interest . the torque of the rotational dampener 24 varies according to the weight of the monitor , size of the armrest and the like . particular embodiments of rotational dampener 24 include rotary dampeners available from ace controls , including dt - 47a and 57a series rotary dampeners and the like , the hydraulic dampener catalogue of which is incorporated herein by reference . other embodiments of plate assembly 50 include a variety of other rotary and rotational dampeners discussed and referenced herein . as seen in fig6 a , the armrest 14 of seat assembly 12 may include controls 206 on the upper surface of armrest 14 . for instance , controls 206 may include monitor presenter control 208 to control the monitor presenter and / or a seat adjustment control 210 to control the seat adjustment of seat assembly 12 . fig6 a illustrates one example of armrest 14 having a left side monitor presenter control 208 with lift latch 22 . fig6 b illustrates another embodiment of armrest 14 of seat assembly 12 having both a left side monitor presenter control 208 for the seat to the right of the armrest , and a right side monitor presenter control 208 for the seat to the left of the armrest . other embodiments include similar arrangements of controls and monitor presenter orientations as discussed hereinafter . further , fig6 a and 6b introduce the removable top 202 of the top surface 200 of armrest 14 . in various embodiments , the seat assembly 12 may include one or a plurality , including two or more , removable tops 202 that house the various monitor presenter elements described herein . in some examples , the seat assembly 12 may have an armrest 14 with a single removable top 202 . typically , the upper surface 200 of armrest 14 includes the removable top 202 to conceal the monitor presenter in the stowed position . in some examples , removable top 202 may be closed in the stowage position and also re - closed while the monitor is in use , i . e . removable top 202 may be re - closed after the monitor presenter has been presented . in yet other embodiments , the seat assembly 12 may have an armrest with two removable tops 202 , i . e . one for a first seat and one for an adjacent second seat . the removable top 202 may be hingedly , or the like , secured to armrest 14 to expose storage cavity 204 in the opened position . typically , neck assembly 56 is parallel to armrest surface 200 in the stowed position . however , other embodiments include neck assembly 56 being stowed in a variety of positions within storage cavity 204 . additionally , upper arm assembly 16 may be partially visible to the user in the stowed position , for instance for recognition of the intended use of controls 208 to present the monitor presenter . typically , the monitor presenter controls 208 control the positioning of the assembly between a storage position and a presented position , and then from a presented position to the storage position . further , the monitor presenter controls 208 may control the positioning of the assembly in the presented position . in some examples , the lift latch 22 is positioned between an armrest safety plate and latch cavity 170 . typically , the clearance between lift latch 22 and latch cavity 170 is sized to swivel handle 34 over itself into latch cavity 170 , particularly without contacting armrest 14 . in an exemplary embodiment , handle 34 may swivel into latch cavity 170 in a single , uninterrupted motion . fig8 shows one example of neck assembly 56 and plate assembly 50 in a fully presented position . typically , plate assembly 50 may include an angle alignment hole 88 to position neck assembly 56 substantially vertical to armrest 14 in the presented position . as shown , plate assembly 50 may include a plurality of angle alignment holes 88 , which neck assembly 56 , or the like , may engage for multiple viewing angle position options . therefore , neck assembly 56 may be substantially perpendicular to armrest 14 in the presented position , but neck assembly 56 may also be angled and secured in angle alignment holes , for example to match the pitch of a reclined seat or the like . further , the lift latch 22 is configured to swivel into latch cavity 179 , and thereby be substantially out of view in the presented position . in a vertical presentation position , the removable top 202 is rotated into the open position thereby exposing latch springs 172 , as discussed hereinafter . typically , removable top 202 may be rotated back into a closed position once the monitor presenter is in the presentation position to conceal and close storage cavity 204 . fig9 illustrates one exemplary embodiment of seat assembly 12 with the monitor 400 secured on the monitor presenter partially presented . as shown , neck assembly 56 is released from stowage in the storage cavity 204 and is partially rotated away from seat back 30 . in this embodiment , armrest 14 includes two monitor presenter assemblies , i . e . one assembly for each adjacent seat , with only the left monitor presenter being partially presented in this particular view . in exemplary embodiments , once the monitor presenter has been presented , i . e . after removable top 200 has been hinged open , after the monitor presenter has been removed from storage cavity 204 and swiveled into a substantially parallel position with the seat back , the user may complete the fully presented position by locking the monitor apparatus 10 into a viewing position as discussed above . fig1 shows one example of the monitor presenter in a fully presented position . as shown , upper arm assembly 16 is substantially parallel to the seat back . further , the upper arm assembly 16 is sufficiently spaced from tray table 306 to allow access to tray table 306 . other embodiments include a variety of spacing orientations between upper arm assembly 16 and tray table 306 . in the presented position , the lift latch 22 may be swiveled into latch cavity 170 and thereby be substantially out of view in the presented position . fig1 illustrates one example of a lift latch assembly with elements removed to show internal components . as shown , latch spring 172 is secured between a pin of the support body and the armrest assembly . the latch spring 172 may include a variety of compression springs having a numerous spring constants , depending on the weight of the monitor and the like . further , a safety plate 174 may be secured to armrest 14 to help conceal and protect latch spring 172 . fig1 shows one particular embodiment , where during use in a presented position , the tail end 36 of the latch is typically swiveled down compressing latch spring 172 and retaining the latch assembly in a viewing position , i . e . after the monitor presenter has been presented . in particular embodiments , during non - use , the aircraft passenger monitor may be positioned into the stowed position . for example , to close the apparatus into the non - use position , the user may swivel the upper arm assembly 16 substantially parallel to armrest 14 and then release the tension in latch spring 172 by the rotating neck assembly 56 down into storage cavity 204 . in yet other embodiments , the inventions include an aircraft passenger monitor apparatus kit . in these embodiments , the kit may comprise a monitor presenter , e . g . any of the lift latches 22 , upper arm assemblies 16 and rotational dampeners 24 previously shown or described . further , the kit may include a monitor 400 or the like . most typically , each kit may be a retrofit or renovate kit and including any of the elements previously shown or described . examples of aircraft components useful in embodiments herein are described in u . s . pat . no . 7 , 410 , 127 ( seat track anti - rattle locking device ), issued aug . 12 , 2008 and u . s . pat . no . 7 , 004 , 331 ( seat recline control override ), issued feb . 27 , 2007 , both of which are incorporated herein by reference in their entireties . numerous characteristics and advantages have been set forth in the foregoing description , together with details of structure and function . many of the novel features are pointed out in the appended claims . the disclosure , however , is illustrative only , and changes may be made in detail , especially in matters of shape , size and arrangement of parts , within the principle of the disclosure , to the full extent indicated by the broad general meaning of the terms in which the general claims are expressed . it is further noted that , as used in this application , the singular forms “ a ,” “ an ,” and “ the ” include plural referents unless expressly and unequivocally limited to one referent .