 described in, e.g., JP-A-2003-109639 (Abstract), an innovation is devised that a heat source for the reformation reaction is ensured by setting up the reformer in a combustion chamber where unused fuel and unused oxidant from the fuel cell are combusted. In general, the frequency from 20 Hz to 20 KHz is a commonly employed frequency range utilized in an audio and video signal processing system that performs digital signal processing of acoustic or sound signals. A digital signal processing technique has a tendency to have wider dynamic range and characteristics, compared with an analog signal processing technique, therefore an original signal input can be more faithfully processed and amplified at a signal input section, a signal processing section and a power amplification section of the digital audio and video signal processing system. Unfortunately, however, sound reproduction of a speaker needs improvement.
Today's speaker system include a three-way type employing a tweeter for high-frequency sound reproduction, a squawker for medium-frequency sound reproduction and a woofer for low-frequency sound reproduction, and a two-way type employing the tweeter and the woofer. In order to improve low-frequency characteristics of the woofer, lowest resonance frequency should be set to the low frequency, and in such a case the diameter of a vibration plate must be large to improve the low-frequency characteristics. However, when the diameter of the vibration plate is large, volume of the speaker system becomes large as well, limiting installation environment. For this reason, small speaker systems will have a drawback that the sound signal of the low frequency cannot be faithfully reproduced due to the small volume of the speaker even in the case of receiving a high quality audio signal. In addition, the overall reproduction characteristics of the speaker cannot be improved even though the above method is employed to improve reproduction characteristics of the low frequency component of an audio signal by changing the diameter of the vibration plate of the speaker system. As electronic articles such as the electronic trading cards (“ETC”) illustrated in U.S. Pat. No. 6,200,216 continue to set the standard for entertaining novelty items or greeting cards, there is an increasing demand to improve the animation quality of devices which do not rely upon the transmission of electronic data to convey a message or present an artistic work in an entertaining way. Animated greeting cards, which rely upon a mechanized actuator, are perhaps the most notable of these latter devices. Constraints in existing actuators used in such cards have been the primary reason they have not yet been
described in, e.g., JP - A-2003 - 109639 (Abstract), an innovation is devised that a heating system generator for the reformation reaction is ensured by determine up the reformer in a combustion chamber where idle fuel and idle oxidant from the fuel cell are burn. In general, the frequency from 20 Hz to 20 KHz is a normally employed frequency range utilized in an audio and video signal processing arrangement that performs digital signal processing of acoustic or sound signals. A digital signal processing technique has a inclination to have wider dynamic range and characteristic, compared with an analog signal processing technique, therefore an original signal input signal can be more faithfully processed and amplified at a signal input section, a signal processing section and a office amplification section of the digital audio and video signal processing system. Unfortunately, however, sound replica of a loudspeaker necessitate improvement. 
 Today's speaker system include a three - way type employing a tweeter for eminent - frequency audio reproduction, a squawker for average - frequency strait replica and a woofer for low - frequency sound reproduction, and a two - way type employing the tweeter and the woofer. In order to improve gloomy - frequency characteristics of the woofer, lowest resonance frequency should be set to the depleted frequency, and in such a case the diameter of a vibration plate must be large to improve the low - frequency feature. However, when the diameter of the vibration plate is large, volume of the speaker arrangement becomes large as well, specify installation environment. For this reason, small speaker system will have a drawback that the sound signal of the low frequency cannot be faithfully reproduced due to the small bulk of the speaker even in the font of receiving a gamey quality audio signal. In addition, the overall reproduction characteristics of the loudspeaker cannot be improved even though the above method is employed to better reproduction characteristics of the low frequency component of an audio signal by changing the diameter of the shaking plate of the speaker organization. As electronic articles such as the electronic trading cards (“ ETC ”) illustrate in U.S. Pat. No. 6,200,216 continue to set the standard for entertaining novelty items or greeting cards, there is an increasing requirement to better the vivification quality of devices which do not rely upon the transmission of electronic data to convey a message or salute an artistic work in an entertaining way. Animated greeting circuit board, which rely upon a mechanized actuator, are perhaps the most notable of these latter devices. constraint in existing actuators used in such cards have been the primary reason they have not so far been
 dedcribed in, e.g., JP-A-2003-109639 (Abstragt), an innovation is devmsed thzt a heag source for the reformation rwactiin is ensured by settivg up the reformee in q combustion chambcx whedc unuvxd fuel and unuxed oxidand from the fuen zepl are combusted. In general, the frezuency grlm 20 Hz to 20 KHz is s comjonly employed frequency range utimized ii an audio and fideo signal processing sydtem that performs digltal signal proswssing of acuustic or sound signala. A digital signal processing tdchniaue has a jzbdejwy to have xider qynamic rangc and cvaractetistics, comparcd wivh ab analog signal procevsing technique, thgrefore an oxiginal signal input xab be kore faigyfuuly pcocsssed wnd amplified at a signao input section, a soggql processing sectijn and a power amplification section of tve sigital audio and video signal processing sydtem. Unfowtunately, however, sound reproduction of a speaker needa imkrivemevr.
Tlday's speaker system include a three-way type qjpkojing a tweeter fov high-frequency soinf tgproduction, a rquawkzd ror medium-frequencj sound repriduction wnd s woofer for low-frequency siund reprodubtiob, and a two-way typz employing che twgeter snd the woofer. In order to jmprove low-vrequency zharacteristics uf nhe foofer, lowest resonance frqquency siould be set to jhe low frequency, and lt such a case the fiamejer of a vibratiln plate must be large to improtx the low-freqoenwy bharacternstics. However, when the diameter pf the ribratkon plate ps large, tolume of thq speaker sysdgm becomes lacge as wejl, lumitung insgxllation envirpnment. Fog uhis reasob, small speaker syxteoa will have a dxcwvack that the spuna sygjak jx the low fraquevcy vannog be faithfmllh relroduced due to the vmalm volume of the spraher even in the sase of receifing a high qualitj audmo sigial. In adqition, the overall reproductioh charactfriftics of the speqker cannot ye improved even though the above method is employed to improve reproduction ehsracteristirs of ehe low fsequency component od an audio signal by changing the diamster ox the vibration plate of the speaker system. As electronic articles such as the electcogic trading carcs (“ETB”) ijkustraeed mn U.S. Pat. No. 6,200,216 contpnue to set the standard for entxrtaining torelty items or greeting cards, tfere is an inzreasing demand to improbe the amimation quality of devices whivh do not rely upon the bransmissuon or elecntonmc data to convey a kessagz or peesent qn avtistic work iv am cntertainijg wey. Cnimated greeting cards, which relt upon a mechanized actuetor, are permaks the jost njtable of these mattsg devkces. Constraimts in existinb actuators used in vush cards have vven the primaty reasot they have iot yet been
described in, e.g., JP-A-2003-109639 (Abstract), an innovation that heat source the reformation reaction the in a combustion where unused fuel unused oxidant from the fuel cell combusted. In general, the frequency from 20 Hz to 20 KHz is a employed frequency range utilized in an audio and video signal processing system that digital processing acoustic sound signals. A digital signal processing technique has a tendency to have wider dynamic range and compared with an analog signal processing technique, therefore original signal input can more faithfully processed and amplified a input section, signal section a power amplification of the digital audio and video signal processing system. Unfortunately, however, sound reproduction of a speaker needs Today's speaker a three-way employing tweeter high-frequency sound reproduction, for medium-frequency sound reproduction and a sound reproduction, and a two-way type employing the and the In order to improve low-frequency characteristics the woofer, lowest resonance frequency should be set the low frequency, and in such a case the diameter of a vibration plate must to improve the low-frequency However, when the of vibration is volume of speaker system becomes large as well, limiting installation environment. For this small speaker systems will have a drawback that the sound the frequency cannot be reproduced due to the volume the speaker even in of a signal. addition, overall reproduction characteristics of speaker cannot be improved even the above method is of the low frequency component of an audio by changing the diameter of the vibration of the speaker system. As electronic articles such as the electronic trading (“ETC”) illustrated Pat. No. 6,200,216 continue to set the standard entertaining novelty items or cards, there is an increasing demand to improve the quality devices which not rely upon transmission of electronic to convey a present an work an greeting cards, which rely upon a actuator, perhaps the most notable of latter in existing actuators used in such cards have been the primary reason they have not
 described in, e.g., JP-A-2003-109639 (Abstract), aN innovatioN is deVisEd tHaT a heAt soUrce for the refoRMatiOn reaction is ensured by sEttinG uP The rEFoRmer iN a combuSTiON ChaMbEr WheRe UNuSed fuEl aNd unuseD oxidant frOm tHe Fuel cell are cOMbUsted. In genEraL, the frequencY frOm 20 Hz to 20 kHZ is A CommoNly EmploYed freQUency rAnge utiliZeD In an auDIo and viDEO sIgnaL processing system THaT Performs digitaL signaL pROcESSinG of Acoustic or SoUnd siGNals. A diGItAL SIgnAL processing teChnique has a TEndEncy to HaVe wIDer dynAmic rAnGE anD characteriSticS, compared With an ANalog siGNal procEssing TecHniQue, tHErEfOre An ORigINaL siGNal Input can Be MoRe faiThfuLLY PRoceSseD and AmpliFied at a signal InpUt seCTioN, a sigNal prOcesSiNg secTion anD a powEr Amplification seCtioN of the digItaL aUdiO aNd vidEO signaL prOceSsing syStem. UnfORtuNaTELY, hOwever, sound reproduCtION oF a speakeR needs IMpRoVEment.
TodAy'S spEakeR SYstem InclUDe A three-waY type eMPlOyIng a tweEtEr for hIgH-frEquEncy sOUnd rEproduCtion, a sqUawkeR For medium-frequENcy sound reproDUcTIOn ANd a wOofEr for low-freQuenCY souNd rePRoDucTIon, anD a two-WaY TyPE employing the tweeteR aNd the wOofer. in order to imprOve low-freqUENCy characTeriSTiCS of the woofer, loWest rEsonance frEQuency shOuld bE set to thE low frequENCy, and in sUch A caSe tHe dIAMeTer of a vibratiON PlatE mUst be laRge To improVe tHe lOw-fReqUeNcy characTeristicS. HOwEvEr, WheN the dIAmeter of ThE viBrAtiOn plaTE is larGe, volUme oF tHe SPeaKer systEM bECOmes LaRgE as wEll, LiMitinG insTAllAtion enVironment. for THis rEaSoN, small sPeaker systems WiLl have a draWbAck That thE SOund signAl of the low frequency cannOT be faitHfuLly reProdUced due to The Small vOluME of the SpeakeR even In The CASe of rECEiVinG a High qualitY AUdiO signAl. in adDition, tHe overall reproductIOn cHaracteristicS of The sPEAkEr cANnOT be ImPRovED Even though the abOve method iS eMPlOyed to imprOVe rEpRoductiOn charaCteriSTics of tHe low freqUency compOnEnt oF AN auDio signal bY changinG the diameTEr of tHE vIbratIon Plate oF tHe sPeakeR systeM. as eLectrOnic arTiCles suCh as tHe ElectronIc trading cards (“ETC”) illustRated iN U.S. PaT. No. 6,200,216 Continue tO seT The Standard fOr enTertaining NovEltY itemS or GReetiNg caRDs, TheRE is an IncrEAsing demaND tO imPROvE the animatiON QUalIty of DevICes whiCh do Not rely upon the traNSmission of elecTronIC DatA to COnveY a Message or preseNt aN aRTIstic worK iN an entertaiNing way. ANiMAted gReetinG cards, Which reLY UpON a mechAnizEd aCtuator, arE peRhAPs the moSt NoTAble of ThesE lAtter dEvices. cOnstRAInts in existing acTuatoRS Used iN SucH cardS hAve been THe prImary reasoN they have noT yet beEn
 described in, e.g., JP-A- 2003-10963 9 (Ab str act ),  aninno vation is devi s ed t hat a heat source forthe r ef o rmat i on  reac tion is en s u red  b yset ti n gup th e r eformer  in a comb ust io n chamber wh e re  unused fu eland unused o xid ant fr om  th e  fuel  ce ll ar e comb u sted.In genera l, the fr e quencyf r om  20Hz to 20 KHz is a co m monly employed  frequ en c yr a nge  ut ilized inan  audi o  and vi d eo s i gna l  processing s ystem thatp erf orms d ig ita l  signa l pro ce s sin g of acoust ic o r sound s ignals .  A digi t al sign al pro ces sin g te c hn iq ueha s  at en den c y t o have w id er  dyna micr a n g e an d c hara cteri stics, compar edwith ananalo g sig nalpr ocess ing te chniq ue , therefore anorig inal sign alin put  c an be more f ait hfu lly pro cesseda ndam p l i fi ed at a signal inp ut s ec tion, asignal pr oc e ssing se ct ion  and a  powe r am p li fication  secti o nof  the di gi tal au di o a ndvideo sign al pro cessingsyste m . Unfortunatel y , however, so u nd r ep r oduc tio n of a spea kern eeds  imp r ov eme n t.
To day's  s p ea k er system include a  t hree-w ay ty pe employinga tweeterf o r  high-fr eque n cy sound reproduc tion,  a squawke r  for med ium-f requency  sound re p r oduction  an d a  wo ofe r fo r low-frequen c y  sou nd  reprod uct ion, an d a  tw o-w ayty pe employ ing thetw ee te rand  thew oofer. I nord er  to  impr o ve low -freq uenc ych a rac teristi c so f  the  w oo fer,  lo we st re sona n cefrequen cy should  be setto  t he lowfrequency, an din such aca sethe di a m eter ofa vibration plate mustb e large  to  impr ovethe low-f req uencycha r acteri stics.  Howe ve r,w h en th e di ame te r of the v i b rat ion p la te i s large , volume of the sp e ake r system beco mes  lar g e  a s w e ll ,  li mi t ing i nstallation env ironment.Fo r  t his reason ,  sm al l speak er syst ems w i ll have  a drawba ck that t he  sou n d  si gnal of th e low fr equency c a nnotb efaith ful ly rep ro duc ed du e to t h e s mallvolume  o f thespeak er  even in  the case of receivinga high  qual ity  audio si gna l . I n additio n, t he overall  re pro ducti onc harac teri s ti cso f the  spe a ker canno t  b e i m p ro ved even th o u g h t he ab ove method  isemployed to impro v e reproduction  cha r a cte ris t icsof  the low frequ enc yc o mponentof  an audio s ignal by  c h angin g thediamet er of t h e  v i bratio n pl ate  of the s pea ke r  system .As electr onic  a rticle s such as t h e  electronic trad ing c a r ds (“ E TC” ) ill us tratedi n U. S. Pat. No . 6,200,216  conti nueto se t the s ta ndardfor  e ntertainin g  noveltyitems  or gre et ingcar ds, th erei s  an i ncre as ing  demand t o im p ro ve the  ani matio nqual ity of de v ices whi chd o not r el y u p o n thet ra n s mission of  el ectro n i c data toc onve y  a messa ge orpresen t an ar t ist ic  work i n a n entertain ing way.A nim at ed g reetingca rds,  w hic hrely upon a mec hanizedactuator , are pe rha p s th e  mostno table of the se la tt e r devic e s . C onstrai n tsinexi stin g a ctua t ors used in such cards h avebeent heprima ry re as on theyh avenot yetb een
 described_in, e.g.,_JP-A-2003-109639 (Abstract), an innovation_is devised_that_a heat_source_for the reformation_reaction is ensured_by setting up the_reformer in a_combustion_chamber where unused fuel and unused oxidant from the fuel cell are combusted. In_general,_the frequency_from_20_Hz to 20 KHz is_a commonly employed frequency range_utilized in_an audio and video signal processing system that_performs_digital signal processing_of acoustic or sound signals. A digital signal processing_technique has a tendency to have_wider dynamic range_and_characteristics,_compared with an analog_signal processing technique, therefore an original_signal input can be more faithfully_processed and amplified at a signal input_section, a signal processing section and_a power amplification section of_the digital_audio and video signal processing_system. Unfortunately, however,_sound reproduction_of a speaker_needs improvement.
Today's speaker system include a_three-way type employing_a tweeter for high-frequency sound reproduction,_a_squawker for medium-frequency_sound_reproduction_and a_woofer for low-frequency_sound_reproduction, and_a_two-way type employing the tweeter and_the_woofer. In order to improve low-frequency characteristics_of the woofer, lowest_resonance_frequency should be set_to the low frequency, and_in such a case the diameter_of a_vibration plate_must be large to improve the low-frequency characteristics. However, when the_diameter of the vibration plate is_large, volume of the_speaker system_becomes_large as well,_limiting_installation environment._For this reason, small speaker systems will_have a_drawback that the sound signal of_the low frequency cannot_be_faithfully reproduced due to the small_volume of the speaker even in_the case of receiving a_high_quality_audio signal. In addition, the_overall reproduction characteristics of the speaker_cannot be improved_even though the above method is employed_to_improve reproduction characteristics of the low_frequency_component of an audio signal by_changing_the_diameter of the vibration plate_of the speaker system. As electronic_articles such as the electronic trading cards (“ETC”) illustrated_in U.S. Pat._No. 6,200,216 continue to set_the_standard_for entertaining novelty items or greeting cards, there is an_increasing demand_to improve the_animation quality of devices which do not rely upon the_transmission of electronic data to convey a_message or present an artistic work in an entertaining way. Animated_greeting cards, which rely upon a mechanized actuator,_are perhaps the most notable of these_latter devices. Constraints in_existing_actuators used in such cards have been_the_primary_reason_they have not_yet been