從技術原理角度來講，觸摸屏是一套透明的坐標定位系統(tǒng)，研維工程師分析它先必須保證是透明的，因此它必須通過材料科技來解決透明問題，像數字化儀、寫字板、電梯開關，它們都不是觸摸屏；其次它是坐標，手指摸哪是哪，不需要第二個動作，不像鼠標，是相對定位的一套系統(tǒng)，我們可以注意到，觸摸屏軟件都不需要光標，有光標反倒影響用戶的注意力，因為光標是給相對定位的設備用的，相對定位的設備要移動到一個地方先要知道身在何處，往哪個方向去，每時每刻還需要不停的給用戶反饋當前的位置才不至于出現偏差。
HP 8671B Synthesized CW Signal Generator 2-18Ghz
HP 8673A Syn. Signal Generator with Opt 002 and 003
HP 8673D Mirowave Signal Generator
HP 8673D SYNTHESIZED SIGNAL GENERATOR
HP 8673G Synthesized CW Generator 2.0 to 26 Ghz
HP 8683D Microwave Signal Generator 2.3Ghz to 13Ghz
HP 8684D Microwave Signal Generator good to 20 Ghz
HP 8684D Microwave Signal Generator good to 21 Ghz
HP 8702B Lightwave Componenet Analyzer w/ Opt.006 (Fall Clearance )
Hp 8702B Lightwave Component Analyzer w/Options 011
HP 8702B- Lightwave Component Analyzer with option 006
HP 8711B Netwok Analyzer 300kHz to 1.3 GHz
HP 8713B
HP 8713B RF Network Analyzer 300 Khz to 3 Ghz w/Opt.1E1(2013 Sale )
HP 8714C Network Analyzer 300 kHz-3.0GHz (Calibrated) Price lowered
HP 8714ET 300KHz-3G NETWORK ANALYZER (T/R) ---
HP 87206B SP6T Coaxial Switch
HP 8720C 20GHz Network Analyzer
HP 8720C Calibrated 50 MHz-20 GHz Network Analyzer + four manuals
HP 8720C NETWORK ANALYZER
HP 87511A 100 Hz to 500 MHz S-Parameter Test Set (2013 SALE )
HP 8752A 300 kHz-3.0 GHz RF Network Analyzer w/Opts 010,003 (Clearance )
HP 8753B 300 kHz to 3.0 GHz RF Network Analyzer
HP 8753B 300 kHz-3.0 GHz RF Network Analyzer w/Opt.010
HP 8753C 300kHz-3GHz Network Analyzer + 85046A + Cables + Manuals w/opts rack17b
HP 8753C 300kHz-6GHz Vector Network Analyzer Opt 002 006 010, 85047A Test Set
HP 8753C 6GHz Network Analyzer, options 006, 010
HP 8753C NETWORK ANALYZER OPT. 006
HP 8753C Network Analyzer 300 kHz-6 GHz w/Interconnect Cable 8503/8505- Rack 17
HP 8753C Network Analyzer OPT 8ZE and 85046A S-Parameter Test Set.
HP 8753C Network Analyzer, 300 kHz - 6 GHz
HP 8753D network analyzer 010 075
HP 8753D opt 1D5 3 GHz Vector Network Analyzer w/ NIST Cal (Fall Clearance )
HP 8753D w/opt 1D5 3 GHz Vector Network Analyzer (Fall Clearance )
HP 8753D-006 (opt 006) 30 KHz to 6 GHz Network Analyzer
HP 8753D-010
HP 8753E NETWORK ANALYZER - 30kHz - 6 GHz w/OPT 006 011 1D5
HP 8753E Vector Network Analyzer W/Opts.1D5 & H14 (Fall Clearance )
HP 8753ES: Network Analyzer 30 kHz - 6 GHz. Option 006
HP 8757C Scalar Network Analyzer (Fall Clearance )
HP 8757C Scalar Network Analyzer Opt. 001 - C Channel (Fall Clearance )
HP 8757D Scalar Network Analyzer
HP 8757D SCALAR NETWORK ANALYZER
HP 8757D/OPT 001 002 Scalar Network Analyzer
HP 8760D-K07 Signal Combining & Switching Unit - 1-32 GHz
HP 8780A VECTOR SIGNAL GENERATOR
HP 8902A MEASURING RECEIVER 160KHz-1300 MHz
HP 8920B, 83206A RF Communication Test Set OPTS PRICE REDUCED
HP 89410A dc to 10 MHz Baseband Vector Signal Analyzer w/op AY5,AY7,AY9, AYA, +
HP 89411A Network Analyzer Downconverter (Reduced 8/12)
HP 89441A Vector Analyzer opt's 1C2/AY7/AY8/AY9/AYA/AYB (2013 SALE )
HP 89441A Vector Signal Analyzer w/RF Section AY7AY9AYAAYB/AYHUG7
HP 8970B NOISE FIGURE METER
HP 8970B Noise Figure Meter
HP 8990A Peak Power Analyzer
HP 8990A POWER ANALYZER 20MHz-40GHz
HP 8992A DIGITAL VIDEO POWER ANALYZER
HP 8992A Digital Video Power Analyzer (2013 Sale )
HP Agilent 008509-80038 Polarization Analyzer System Controller for 8509B -As Is
HP Agilent 08753-60231 Source Assembly 3 GHz
HP AGILENT 11729C CARRIER NOISE TEST SET TESTED GOOD.
HP Agilent 11896A polariztion controller /GPIB
HP Agilent 16346B System Calibration Module with Data
HP Agilent 1660AS 136 Channel Portable Logic Analyzer
HP Agilent 1662E Main board
HP Agilent 16700B Logic Analysis System Mainframe With cards 2x 16750A,16752A
HP Agilent 16702A Logic Analyzer w/ 1x 16610A 3x 16555D 2x 10441A OPT 003
HP Agilent 1672D Logic Analyzer 68 Channels
HP Agilent 16750B Timing and State Module.
HP Agilent 16756A 600MHz State/4GHz Timing Zoom 64MSa Logic Analyzer Module Card
HP Agilent 3245A Universal Source/Function Generator Option 001
HP Agilent 3458A 100-240V,50-60Hz Multimeter
HP Agilent 3458A 8? Digit Digital Multimeter / 8.5 digit DMM
HP Agilent 3458A Digital Multimeter, 8.5 Digit DMM, rev 9.2, Excellent Condition
HP Agilent 3499A 5-S Switch Control Mainframe STILL CURRENT UNTIL DEC 2014
HP Agilent 3499A Switch Control Mainframe With Switch Cards, 30
HP Agilent 3563A Systems Analyzer Digital Measurement HP-IB Digital
HP AGILENT 35665A Dynamic Signal Analyzer With 4 Opt.
HP Agilent 35665A Dynamic Signal Analyzer with opt. 1D4
HP Agilent 3589A 10Hz-150MHz Spectrum Network Analyzer Tester HPIB Option 1D6
Hp Agilent 37718A Omniber 718 Communications Analyzer
HP Agilent 37718A Omniber Communication Analyzer LOADED OPT 601 602 002 011 106
HP Agilent 37718A Omniber Communication Analyzer opt 002, 012, 106, 601, print
HP Agilent 37718A Omniber Communication Analyzer, opt 002, 011, 106, 601, 610
HP Agilent 37718A Omniber Communication Analyzer, opt 002, 012, 104, 601
HP AGILENT 37719A/013/104/350/601 OC-48 ANALYZER NIST
HP Agilent 37721A Digital Transmission Analyzer
HP Agilent 4142B modular DC monitor with 2 41421B units
HP AGILENT 4193a VECTOR IMPEDANCE METER W/ PROBE .4-110 MHz TESTED GOOD
HP Agilent 4280A 1MHz C-Meter/C-V Plotter Capacitance Voltage Measurement System
HP Agilent 4284A Precision LCR Meter
HP Agilent 4291A Impedance/Material Analyzer, opt 001, 1C2
HP AGILENT 4349B 4-CHANNEL HIGH RESISTANCE METER Option 700
HP Agilent 43961A RF Impedance Test Kit
HP Agilent 43961A RF Impedance Test Kit with 16192A Test Fixture, 30
HP Agilent 5361B Pulse/CW Microwave Counter 40GHz Option 040/010
HP Agilent 5372A Frequency and Time Interval Analayzer, Calibrated,
HP Agilent 54615B Digital Oscilloscope 500MHz
HP Agilent 54624A Oscilloscope 100MHz GPIB N2757A scope
HP Agilent 54720D 4 channel Real-time Modular Oscilloscope Mainframe 2GHz 8GSa/s
HP Agilent 54720D Oscilloscope with (2) 54721A AMPLIFIER
HP Agilent 54751A 20 GHz Dual Channel Electrical Plug-In Module
HP AGILENT 54751A 20 GHz dual channel Plugin
HP Agilent 54754A Differential TDR/TDT Plug-In Module
HP Agilent 54825A Infiniium Oscilloscope 4Ch 500MHz 2GSa/S
HP Agilent 54831B 4-Channel 600MHz 4GS/s Osilloscope, MegaZoom, Win XP, In Cal
HP Agilent 54835A Infinium Oscilloscope 1Ghz, 4Ch, Calibrated with
HP Agilent 54845A Infiniium Oscilloscope, up to 8 GSa/s, 1.5 with 1 P1161A, k/m
HP Agilent 54846A infiniium Oscilloscope 2.25 GHz 8 GSa/s
HP Agilent 54846B Infiniium oscilloscope 2.25 Ghz 8Gs/s (3 in stock 3/29/13)
HP Agilent 5528A 5518A Laser Measurement System w/ Optics Linear Interferometer
HP Agilent 6629A Precision System Power Supply, 50W, 4 Outputs
HP Agilent 6673A 2000 Watt System Power Supply, 35V, 60A
HP AGILENT 6674A SYSTEM DC POWER SUPPLY 0-60VDC/0-30ADC
HP Agilent 6675A Power Supply, 120V, 18A, 2160W
Hp Agilent 70322A 0.1-4200 MHz Synthesized Generator
hp Agilent 70590A Spectrum Analyzer Card Cage Module
HP Agilent 70820A Microwave Transition Analyzer
HP Agilent 70843B 0.1-12Gbit/s STD UHF Data Error Perbance Detector Analyzer
HP Agilent 80 MHz 33250A Function / Arbitrary Waveb Generator
HP Agilent 81101A Pulse Generator, 50 MHz
HP AGILENT 81110A PULSE/PATTERN GENERATOR (81112A MODULE)
HP Agilent 81130A Pulse Signal Generator w/ 2 x 81132A 600 Mhz Modules
HP Agilent 8130A Pulse Generator 300 MHz High Speed No manual Nice Unit
HP Agilent 8133A Dual Channel Pulse Generator, 3 GHz with Options 001 & 002
HP agilent 8147 OPTICAL TIME DOMAIN REFLECTOMETER - E4310A E4316A
HP Agilent 81525A 800-1650nm Fiber Optical Head 4 HP 81533B Interface
HP Agilent 81525A Optical Head
HP Agilent 8156A OPT 350 Multimode Optical Attenuator
HP AGILENT 8156A OPTICAL ATTENUATOR 121
HP Agilent 8156A Optical Attenuator 1310/1550nm SM Option 100
HP Agilent 8156A Optical Attenuator opt 100 (STANDARD PERFORMANCE VERSION)
HP AGILENT 8156A OPTICAL ATTENUATOR Option 121 - 1310 / 1510 nm Single Mode
HP Agilent 81625B Hi Pwr InGaAs Optical Head 8163 8164
HP Agilent 81636B Fast Optical Power Sensor module for 8163A 8163B (as 81633B)
HP Agilent 8163A Lightwave Multimeter Mainframe, no module
HP Agilent 81654A Laser Source Module, 1310/1550nm
HP Agilent 81689A Tunable Laser Module with calibration report
HP AGILENT 81910TH Optical Test Head for 81910A
HP Agilent 83420A Lightwave Test Set OPT 012210 1550 DFB Laser Built-in - Mint
HP Agilent 83430A Lightwave Transmitter
HP Agilent 83480A 83493A Clk Recovery 83485A OE Modules
HP Agilent 83480A Digital Communications Analyzer with (2) 83484A 50 GHz Modules
HP Agilent 83481A Optical/Electrical Module w/ Option 040, UK6
HP Agilent 83572A RF PLUG IN
Hp Agilent 83592B .01-20.0 GHz RF Plug in
HP Agilent 83594A Frequency Source Generator 2.0-26.5GHz for 8350B
HP Agilent 83623A High Power Synthesized Sweeper, 10 MHz to 20 GHz
HP Agilent 83623B 10MHz-20GHz Synthesized Sweeper 001/004/008
HP Agilent 83712A Synthesized CW Generator 10Mhz-20Ghz, Calibrated with
HP Agilent 83731B 1-20GHz Synthesized Generator, Loaded, Calibrated,
HP Agilent 83732B 10 Mhz - 20 GHz Synthesized Signal Generator W/OPT 1E1, TESTED
HP Agilent 83732B Synthesized Signal Generator /w opt 1E1 1E5
HP Agilent 85027B Directional Bridge, 10 MHz to 26.5 GHz w/ 85037-60001 Open/Sho
HP Agilent 85027C Directional Bridge, 10 MHz-18 GHz 2yr. CALIBRATION
HP Agilent 85027C Directional Bridge, 10 MHz-18 GHz 30- + CALIBRATION
HP Agilent 85032B Type N Calibration Kit
HP Agilent 85033C 3.5mm Calibration Kit
HP Agilent 85033E Mechanical Calibration Kit, 3.5 mm w/ wooden case
HP Agilent 85046A S-Parameter Test Set 50 Ohm, 300 kHz to 3 GHz Cables Included
HP Agilent 85047A S-Parameter Test Set 300KHz to 6GHz for 8753C
HP Agilent 85047A S-Parameter Test Set 300KHz to 6GHz w. Connector Cables, 8753C
HP Agilent 85047A S-Parameter Test Set, 300 kHz to 6 GHz w/ 4 cable set
HP Agilent 85047A S-Parameter Test Set, 50 Ohms, 300 kHz to 6 GHz
HP Agilent 85052A 3.5mm Standard Mechanical Calibration Kit Hewlett Packard
HP Agilent 8509B Lightwave Polarization Analyzer
HP Agilent 85110A Opt. H80 Pulsed RF S-Parameter Test Set, 2GHz to 20GHz NICE
HP Agilent 85110A Pulsed RF S-Parameter Test Set, 2GHz to 20GHz NICE
HP Agilent 8514B S-Parameter Test Set OPT:002 45MHz-20GHz 3.5mm for 8510C
HP Agilent 8560A Spectrum Analyzer/Network Analyzer w/ Tracking Generator 50 hz
HP Agilent 8560E Spectrum Analyzer 30hz -2.9 GHZ Calibrated
HP Agilent 8560E Spectrum Analyzer 30hz -2.9 GHZ Calibrated options 7, ,and 1
HP Agilent 8560E Spectrum Analyzer 30hz -2.9 GHZ Calibrated options 7, 8 ,and 1
HP Agilent 8561E Portable Spectrum Analyzer w/ 85620A Memory Module 30Hz -6.5GHz
HP Agilent 8561E Spectrum Analyzer 30hz -6.5 GHZ free mmm w/ phase noise
HP Agilent 8561E Spectrum Analyzer 30Hz-6GHz Calibrated with 30
HP Agilent 8561EC Portable Spectrum Analyzer, 30Hz to 6.5GHz w/ 85620A & Opt 007
HP Agilent 8562A Spectrum Analyzer 9 khz- 50 GHZ 50ghz Calibrated OPTION 26
Hp Agilent 8562E 30Hz-13.2GHz Spectrum Analyzer
HP Agilent 8562E Spectrum Analyzer 30 hz-13.2 GHZ cert of calibration
HP Agilent 8562E Spectrum Analyzer 30 hz-13.2 GHZ cert of calibration OPTS 7,8
HP Agilent 8562EC 13.2 GHz Spectrum Analyzer w/85620A Mem. Mod, Face cover
HP Agilent 8563A Spectrum Analyzer 9 k
