Hand Held Terminal With Multi Code Reader Fujitsu Global-Books Pdf

Hand held Terminal with Multi code Reader Fujitsu Global
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Y Tanaka et al Hand held Terminal with Multi code Reader. This paper focuses on hand held terminals deregulation borderless commerce and globali. equipped with a barcode reader and describes the zation have radically changed the business. development of hand held terminals with a multi environment To survive in the new environment. code reader many companies are studying and adopting an. The F3793A is a hand held terminal with a efficient method called supply chain management. pen type barcode reader It was released in 1990 SCM which integrates stages from procurement. and is still popular because it is inexpensive and to manufacturing to distribution Under the new. is small and lightweight enough to fit comfortably system the types of controls required seem to ex. in the hand tend beyond the capacity of conventional barcodes. In 1991 Fujitsu released the F3793B BT Therefore to meet this new need Fujitsu has de. The gun type laser scanner of this model makes veloped a hand held terminal with a multi code. it ideal for merchandise inspection and inventory reader and put it on the market at the end of May. control The F3793BL radio model was added to 1999 as a basic terminal for SCM. the lineup in 1992 followed by the FHT201, contact read model with a CCD scanner in 1994 3 Features of the FHT261 Hand held. In 1997 Fujitsu released the FHT251 which is a Terminal with Multi code Reader. breast pocket model with a large screen and en The FHT261 is a new hand held terminal. hanced functions and performance To make it a with a multi code reader and a built in CCD cam. global product the FHT251 is being adapted for era It has the same housing as the FHT251 and. use with the various standards and languages in can read any current type of one dimensional bar. use throughout the world code and two dimensional barcodes The standard. Fujitsu has supplied various types of hand external interfaces of the unit are an infrared in. held terminals to meet the differing requirements terface IrDA 1 0 38 4 kbps and a PC card slot. of customers and to give them an optimal operat Type II A short range radio type is available. ing environment for a mobile printer and a spread spectrum SS. Over the years however the trends toward is available for an RF LAN If an optional LAN. TYPE 82 84 86 88 90 92 94 96 98 2000,Multi purpose F3795 FHT301C FHT301D. FHT501 FHT502,Desktop order entry F3798 FHT731,F3681 FHT701 FHT761 FHT601. Slate FHT711 FHT762,Scanner FHT201,Product lines,268 FUJITSU Sci Tech J 35 2 December 1999. Y Tanaka et al Hand held Terminal with Multi code Reader. adapter is connected a cable LAN can be con,structed Currently various RF types for WANs.
are being certified worldwide see Figure 2 and,4 Key technologies. 1 Code reader with CCD camera,Images photographed by a two dimensional. 330 000 pixel CCD camera are imported after Figure 2. A D conversion into image memory as a digital Hand held terminal with multi code reader FHT261. image of 256 gradations Using gray scale image, processing codes are extracted and decoded then 8 bit Image. Lens 330k pixel ADC memory, the decoded data is output serially This series of. operations is controlled by software running on a control ASIC. 32 bit RISC processor If the imported image is Light source RISC. too dark the gain setting can be changed or the CPU. Gain control,light can be turned on to optimize the image see.
Serial input output,Figure 3 Figure 3, The CCD camera enables the user to manu Block diagram. FHT261 specifications,CPU VG330 V30MX 32 MHz,Memory ROM 2 4 MB Flash memory RAM 4 MB DRAM. Operating system MS DOS ROM Version 5 0, Display LCD Dimensions 128 240 pixels dot pitch 0 32 0 32 mm. Characters Lines 16 13,Backlight EL backlight green. Control Monochrome VGA resolution Model 1, Keyboard Tactile 19 keys BKS CLR ENT PWR SFT 0 9 three barcode trigger keys and decimal point.
Touch Panel Non glare Hard coating,Interface One PCMCIA Type slot. IrDA 1 0 up to 38 4 Kbps,Power Main battery Li ION battery 3 6 V 1400 mA. Backup battery Li rechargeable battery 3 0 V 90 mAh. Back up time Approximately 40 hours, Operating time 8 hours below 25 C at 2 scans 10 seconds EL back light off and. Automatic Off LCD system active figure also depends on CPU operation conditions. Charging time Approximately 3 hours by pack charger and 5 hours by CIU at room temperature. Charging device CIU Communication Interface Unit Charging adapter. Pack charger Multi pack charger charges up to 4 battery packs. Scanner Speed 2D Code 0 2 to 0 25 second,1D Code 0 1 to 0 15 second. Light source Red LED,Code type JAN EAN UPC NW7 ITF Code39 Code128.
Data Matrix Maxi Code PDF417 QR Code Customer Code. Image capture,Attachment Main battery Sub battery Wrist strap. Environment Operating temperature Humidity 0 to 50 C 20 to 85. Storage temperature Humidity 20 to 60 C 8 to 95 without battery pack. Size W 60 H 150 D 37 without RF antenna,Weight Approximately 300 g without RF antenna. FUJITSU Sci Tech J 35 2 December 1999 269, Y Tanaka et al Hand held Terminal with Multi code Reader. Table 2 Table 3, Comparison of performance of CCD camera and laser SS RF specifications. type scanners,Item Specification,Item Camera type Laser type Standard IEEE 802 11.
Reading of two dimensional code Very good Acceptable Modulation method Spread spectrum by frequency hopping. Capturing of images Frequency band 2 4 GHz,Very good Not possible. e g seals and signatures,Speed 2 Mbps,Reading direction Very good Acceptable. 360 Single direction,any direction only,Reading of one dimensional 400 0. code of bad quality 350 0 Other,Good Acceptable,blur distortion code height of. 5 mm or less 300 0 Keyboard,250 0 LCD unit,200 0 Scanner.
100 0 Battery,ally produce very natural images The typical per. 50 0 Housing,formance specifications are as follows. Reading speed FHT201 FHT261,1D code 0 1 to 0 15 second. 2D code 100 digits 0 2 to 0 25 second,Comparison of weight distributions. Reading angle, Satisfactory reading even at an angle of 35 Table 4.
to 40 to the code surface High density parts of FHT261. Reading distance Parts Quantity Lead spacing,1D code Max 200 mm LSI QFP 176 pin 1 0 5 mm. 2D code Max 200 mm 160 pin 1 0 5 mm,100 pin 1 0 5 mm. Table 2 shows the advantages of this code,144 pin 2 0 5 mm. reader compared with conventional laser type,Connector 40 pin 1 0 5 mm. scanners 30 pin 1 0 5 mm,2 Spread spectrum SS RF LAN.
The FHT261 hand held terminal uses the SS, RF LAN system which supports a higher speed 3 Technologies for reducing size and weight. and higher quality communication than other sys Figure 4 compares the weight distributions. tems Frequency hopping FS has been selected of the FHT261 and the conventional FHT201. for the SS RF system because of its superior trans model In the FHT201 which weighs about. mission efficiency during very high traffic 375 g the housing accounts for 37 8 of the. conditions and its superior tolerance to noise com weight the battery for 21 9 and the PC board. pared with direct sequence DS SS RF To ensure for 15 9 Collectively these three items account. sufficient anti drop strength and prevent density for 75 of the total weight The FHT261 on the. fluctuations in certain operating environments a other hand weighs only about 300 g The tech. diversity antenna has been fully built in Also nologies used for reducing the weight of the PC. this hand held terminal has a roaming function board and housing are outlined below. so it is capable of seamless communication even Thin printed circuit board. when the access point changes during movement The FHT261 uses small high density parts. See Table 3 Table 4 and a BVH board that is 0 8 mm thick. 270 FUJITSU Sci Tech J 35 2 December 1999, Y Tanaka et al Hand held Terminal with Multi code Reader. C layout results in a high level of usability see,5 Environmental resistance. This terminal is resistant to drops vibration,A shock rain dust extreme temperatures and high. humidity The memory contents are preserved,even after the terminal has been dropped from a.
C height of 1 5 m The terminal can withstand rain,B Core material. fall at a rate of about 150 mm hour Normal, C Solder resist operation is guaranteed from 0 to 50 C and in a. D Copper plating,humidity range from 20 to 85,Figure 5 6 Energy saving and environmental. Six layer BVH protection,Because Fujitsu is making extra effort to save. energy and protect the global environment we, has six layers and a minimum line width of have made the FHT261 compliant with the.
0 1 mm Figure 5 ISO14000 standard By reducing the thickness. Of the components used in this hand held of the housing wall PC board and other parts we. terminal the BVH PC board which no longer re have drastically reduced the use of materials and. quires via hole allocation for the layers unrelated are reducing the use of environmental resources. to wiring is especially effective for high density An automatic power off function automatic back. mounting The BVH PC board can reduce the light off function and power compensation. weight by 20 percent and the parts mounting area function that makes full use of battery capacity. by 30 percent when compared to conventional help save energy. models 7 Simulation technology, Thin wall housing We used 3D CAD to improve the development. The housing is made of reinforced ABS We efficiency and design quality. made full use of 3D CAD simulation and our ex 1 Improving the development efficiency. tensive experience in weight reduction shock Using 3D CAD data for similar previous. drop and vibration resistance and water resis models we were able to very quickly design a mold. tance to minimize the wall thickness minimum At the same time a mold manufacturer purchased. thickness 0 8 mm average thickness 1 2 mm the necessary mold materials and prepared the. As a result although the FHT261 weighs only 3D CAD data for use As a result of these steps. about 300 g it also passes a 1 5 m drop test and we were able to reduce the total mold develop. conforms to the JIS water resistance Class II stan ment period by about 30 percent. dard 2 Improving the design quality,4 Usability Before the molds were designed rapid. The FHT261 can be operated with one hand prototyping RP technology was used to create. even the non dominant hand Because it is small prototype housings from an ultraviolet curable. and easy to grip the FHT261 can be easily oper resin based on 3D CAD data to check engage. ated at a position and angle that suits the user s ments dimensions and other geometric. hand and can be kept in a breast pocket parameters. The large touch panel LCD unit three trig In addition to the conventional environmen. ger keys on each side of the keyboard and a unique tal protection techniques including design rules. FUJITSU Sci Tech J 35 2 December 1999 271, Y Tanaka et al Hand held Terminal with Multi code Reader. Young s modulas,2200 MPa Load,Poisson s ratio 0 4 Y 10 N. Circular cylinder,faced binder,Lower side only R 0.
Symmetry faced,Injection molding inlet positions,Bottom edge binder. Inside only Y 0,a Stress analysis b Resin fluidity checking. 3D CAD simulations,Optional devices,Unit Model Remarks. Pack charger FHTCA261 Unit for charging a battery pack. Charging time About 3 hours, Charging adapter FHTLC261 Adapter for charging battery pack built into main unit. Charging time About 5 hours, Multi pack charger FHTMC261 Unit for charging up to 4 battery packs.
Charging time About 3 hours, IC memory card FHTCM001 005 SRAM cards for external storage 128 KB 256 KB 512 KB 1 MB 2 MB. Flash disk card FHTFC004A Flash disk card for external storage 4 MB 8 MB 40 MB. Pen FHTPN701 Dedicated touch panel,a Communication interface unit b Mobile printer. Optional equipment, and fault examples we performed 3D CAD sim checking Before mold manufacturing was even. ulations for stress analysis Figure 6 a resin started several faults were detected and correct. fluidity checking Figure 6 b and interference ed As a result there was hardly any need to go. 272 FUJITSU Sci Tech J 35 2 December 1999, Y Tanaka et al Hand held Terminal with Multi code Reader. back and modify the design delivery was on sched popularity. ule and the mold development costs were reduced 2 Future development. Fujitsu will perfect its simulation technolo A CMOS element is now being developed for. gy so that we can develop other models even the two dimensional imagers of the next genera. completely new designs to the same high stan tion of products This element consumes only. dard as this model and within the same amount 1 10 of the power needed by a CCD requires. of time or faster fewer peripheral circuits and operates on 3 3 V. The CMOS element will reduce the size of, 5 Optional equipment the camera current consumption and cost.
The FHT261 can be used in a wide range of Before long camera type models will occupy a. applications for example inventory control and large percentage of the laser scanner market. checking information searching delivery check We will continue to make improvements in. ing route sales and meter reading and functionality usability and resistance against var. maintenance We have also prepared the follow ious environmental stresses to sa. FUJITSU Sci Tech J 35 2 pp 267 273 Two dimensional codes are expected to be widely used in the near future Hand held Terminal with Multi code Reader

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