이 특허에 인용된 특허 (161)

1. Ribner David B. (Schenectady NY) Hoe David H. K. (Schenectady NY), Analog-to-digital converters using multistage bandpass delta sigma modulators with arbitrary center frequency.

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2. Voorman Johannes O. (Eindhoven NLX), Analog-to-digital signal converter comprising a multiple sigma-delta modulator.

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3. Pearce Timothy H. B. (Chelmsford GB3), Analogue-to-digital converters, digital-to-analogue converters, and digital modulators.

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4. Jekel Richard N. (La Mesa CA), Apparatus and method for combining analog and digital automatic gain control in receivers with digital signal processing.

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5. Terlep Daniel Joseph ; Elder Robert Charles, Apparatus and method for digitizing and detecting a received radio frequency signal.

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6. Hurley Terry R. (Newbury GB2), Apparatus and methods for non-linear processing of digital signals.

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7. Nawata Hizuru (Tokyo JPX), Automatic gain control.

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8. Cahill Stephen V. (Palatine IL), Automatic gain control apparatus and method.

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9. Williams Tim A. (Danville CA), Bandpass sigma delta converter suitable for multiple protocols.

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10. Jackson H. Spence (Austin TX), Bandpass sigma-delta analog-to-digital converter (ADC), method therefor, and receiver using same.

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11. Janesch Stephen T. ; Schnizlein Paul G. ; Bell Ed, Carrier-recovery loop with stored initialization in a radio receiver.

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12. Roberts Glyn (Calgary CAX) Anvari Kiomars (Calgary CAX), Cellular radio-telephone receiver employing improved technique for generating an indication of received signal strength.

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13. Parker Lanny L. (Mesa AZ), Circuit and method of controlling a VCO with capacitive loads.

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14. Huusko Risto (Salo FIX), Circuitry arrangement for the elimination of spurious response in a radio telephone receiver.

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15. Stern Kenneth J. (Austin TX) Sooch Navdeep S. (Austin TX) Hein Jerrell P. (West Lawn PA), Clock multiplier/jitter attenuator.

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16. Phillips William C. ; Pascale Michael V. ; Minarik Ronald W. ; Schmidt Kenneth M. ; Weigand Benjamin F. ; Dirndorfer Walter M. ; Prill Robert S. ; Siegel Arnold B. ; Nogay Richard H., Common receive module for a programmable digital radio.

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17. Clifford Hessel ; Michael E. Kreeger ; Christopher D. Mackey, Configurable circuits for field programmable radio frequency communications equipment and methods therefor.

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18. Newland Paul B., Cordless telephone with digital frequency adjustment.

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19. Huang Ke-Chiang,TWX, DC offset cancellation apparatus and method for digital demodulatation.

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20. Stikvoort Eduard F. (Eindhoven NLX), Decimation filter arrangement.

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21. Koslov Vitali Ivanovich,UAX ITX 254215, Digital PLL frequency synthesizer.

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22. Matsumoto Tokikazu (Osaka JPX), Digital automatic gain control apparatus.

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23. Parker Lanny L. (Mesa AZ) Atriss Ahmad H. (Chandler AZ) Peterson Benjamin C. (Tempe AZ), Digital controlled oscillator and method thereof.

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24. Tamba Yuko,JPX ; Kondou Taiji,JPX ; Furukawa Katsuhiro,JPX ; Ishihara Yukihito,GBX, Digital demodulators for phase modulated and amplitude-phase modulated signals.

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25. Stikvoort, Eduard F., Digital dynamic range converter.

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26. Tanis William J. (Wayne NJ) Lu Ning H. (Parsippany NJ) Schenberg Alan N. (Kinnelon NJ), Digital sample and hold phase detector.

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27. Guo Bin (Fremont CA), Digital variable in-lock range phase comparator.

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28. Takahashi Chusei,JPX ; Katsuyama Tsutomu,JPX, Digital-analog shared circuit in dual mode radio equipment.

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29. Babanezhad Joseph N., Digitally controlled tuner circuit.

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30. Phillips William C. ; Pascale Michael V. ; Minarik Ronald W. ; Schmidt Kenneth M., Digitally programmable radio modules for transponder systems.

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31. Landman Paul E. ; Lee Wai ; Fattaruso John W., Digitally-controlled oscillator with switched-capacitor frequency selection.

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32. Williams Tim A. (Danville CA), Direct conversion receiver for multiple protocols.

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33. Tuttle ; John R., Discrete-gain output limiter.

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34. Shirakawa Hiroshi,JPX ; Tomida Takashi,JPX, Double super-heterodyne receiver with low-pass and high-pass filters controlled by respective switching devices.

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35. Kominami Yasuo (Kokubunji JPX) Ienaka Masanori (Kodaira JPX) Wada Takeshi (Kodaira JPX) Miyamoto Yukihiko (Tokyo JPX) Yamada Tsuneo (Tokyo JPX), Double-converting FM tuner.

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36. Tsai Li Ching (Ft. Collins CO) Wallace Hugh S. C. (Ft. Collins CO), Dual adjust current controlled phase locked loop.

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37. Matero Jorma,FIX, Dual band architectures for mobile stations.

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38. Sakakura Makoto,JPX ; Miyoshi Hisanaga,JPX ; Hashimoto Kouji,JPX ; Fuse Nobuo,JPX ; Kosugi Hiroaki,JPX ; Ishida Kaoru,JPX, Dual band oscillator circuit using strip line resonators.

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39. Damgaard Morten ; Li Leo L., Dual band transmitter for a cellular phone comprising a PLL.

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40. Reeser Glen O. ; Khuon Lunal, Dual frequency voltage controlled oscillator.

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41. Voorman Johannes O. (Eindhoven NLX), Electronic arrangement for receiving a modulated carrier signal.

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42. Moyer Todd K. (Wilsonville OR) Clementi Daniel M. (Doylestown PA), Enchanced stability voltage controlled RC oscillator.

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43. Stikvoort Eduard F. (Eindhoven NLX) van Roermund Arthur H. M. (Eindhoven NLX) Naus Peter J. A. (Eindhoven NLX), Encoding device.

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44. Crawford James A. (Fullerton CA) Frey Gary D. (Garden Grove CA), Fast phase-lock frequency synthesizer.

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45. Maddy Steven L. (Boulder CO) Paterson Graeme S. (Boulder CO), Fast settling phase locked loop.

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46. Pace Gary Lee ; Grandfield Walter ; Tan Wei Len,SGX, Feed-forward RSSI assisted radio frequency amplifier power control.

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47. Clifford Hessel ; Paul E. Voglewede ; Michael E. Kreeger ; Christopher D. Mackey ; Scott E. Marks ; Alfred W. Pietzold, III ; Louis M. Orsini ; John E. Gorton, Field programmable radio frequency communications equipment including a configurable if circuit, and method therefor.

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48. Anderson William D. (Indianapolis IN), Filter switching arrangement for a tuner.

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49. Attenborough Colin (Cambridgeshire GB2), Fractional N frequency synthesizer with modulation compensation.

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50. Jackson Thomas (Hanwell GBX), Fractional N synthesizer.

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51. Gaskell Philip S. (Little Shelford GBX) King Nigel J. R. (South Brent GBX) Breakenridge Eric (Alloa GBX) Ball Michael J. (Bishops Stortford GBX), Fractional-N frequency synthesizer using delta-sigma modulator in divider control circuit.

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52. Yoshida Hiroshi,JPX ; Ogura Miyuki,JPX ; Iino Koji,JPX ; Otaka Shoji,JPX, Frequency conversion circuit and radio communication apparatus with the same.

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53. Freeburg Thomas A. ; Ley John ; Pearce Anne M. ; Schulz Gary ; Odlyzko Paul, Frequency locked-loop using a microcontroller as a comparator.

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54. Koch Richard C. (Denver CO), Frequency synthesized scanner having conductive programming elements for channel selection.

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55. Nakagawa Jun\ichi (Tokorozawa JPX) Kokubo Masaru (Hachioji JPX) Kurosawa Michiaki (Nakaminato JPX), Frequency synthesizer.

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56. Schumacher, Friedrich, Frequency synthesizer.

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57. Tanis William J. (Wayne NJ) Lu Ning H. (Parsippany NJ) Schenberg Alan N. (Kinnelon NJ), Frequency synthesizer.

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58. Kamitani, Toshiki, Frequency synthesizer allowing rapid frequency switching.

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59. Tolson Nigel,GBX ; Clark Justin,GBX, Frequency synthesizer having a speed-up circuit.

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60. Welland David R. ; Wang Caiyi, Frequency synthesizer utilizing phase shifted control signals.

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61. Ballantyne Wayne W. (Plantation FL) Ooi Leng H. (Sunrise FL) Hodges ; III Eugene W. (Plantation FL), Frequency synthesizer with VCO output control.

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62. Kingsbury Nicholas G. (Portsmouth GB2), Frequency synthesizer with fractional division ratio and jitter compensation.

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63. Rosen Arye (Cherry Hill NJ), GaAs Dual-gate FET frequency discriminator.

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64. Ogura Yoichi (Hino JPX), Gain-variable amplifier circuit.

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65. Schenberg Alan N. (Kinnelon NJ), High gain zero offset linear phase detector apparatus.

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66. Benson James A. (Huntingdon Valley PA), High speed frequency agile FSK modulator.

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67. Alm ; Jr. ; Benjamin C. ; Hopwood ; Francis W. ; Jelen ; Robert A. ; Muh lbaier ; John P. ; Wright ; Jr. ; Joseph F., High speed phase lock control for frequency switching.

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68. Murphy John H. ; Littlepage Robert S., Hybrid radio frequency system with distributed anti-jam capabilities for navigation use.

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69. Ou Waho,JPX, Hysteresis-free anti-saturation circuit.

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70. Heinen, Stefan, Integrable radio receiver circuit for frequency-modulated digital signals.

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71. Persoon Eric H. J. (Eindhoven NLX) Vandenbulcke Christian J. B. O. E. (Eindhoven NLX) Odijk Eddy A. M. (Eindhoven NLX) Stikvoort Eduard F. (Eindhoven NLX), Integrated processor for the processing of word-wise receivable data.

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72. Moore Paul A.,GBX ; Barnard Michael E.,GBX, Integrated receiver.

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73. Stikvoort Eduard F. (Eindhoven NLX), Interpolating filter arrangement with non-rational ratio between the input and the output sampling frequencies.

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74. Rasmussen Richard R. (Fremont CA), LC-tuned voltage controlled ring oscillator.

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75. Martin Frederick L. (Plantation FL), Low voltage VCO having two oscillator circuits of different frequencies.

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76. Davis Walter L. (Coral Springs FL), Low voltage and low power frequency synthesizer.

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77. Meador Richard B. (Sunrise FL) Heck Joseph P. (Ft. Lauderdale FL), Method and apparatus for compensating phase locked receivers.

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78. Martin Frederick L. (Plantation FL) Carralero Cesar W. (Hialeah FL), Method and apparatus for controlling a voltage controlled oscillator tuning range in a frequency synthesizer.

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79. Smith Patrick R. ; Ovens Kevin M., Method and apparatus for effecting analog phase-locked loop control of a signal frequency.

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80. Welland David R. ; Kerth Donald A., Method and apparatus for eliminating floating voltage nodes within a discreetly variable capacitance used for synthesizing high-frequency signals for wireless communications.

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81. Welland David R., Method and apparatus for generating a discretely variable capacitance for synthesizing high-frequency signals for wireless communications.

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82. Welland David R., Method and apparatus for generating a variable capacitance for synthesizing high-frequency signals for wireless communications.

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83. Welland David R. ; Wang Caiyi, Method and apparatus for operating a PLL for synthesizing high-frequency signals for wireless communications.

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84. Welland David R. ; Wang Caiyi, Method and apparatus for operating a PLL with a phase detector/sample hold circuit for synthesizing high-frequency signals for wireless communications.

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85. Welland David R. ; Scott Jeffrey W., Method and apparatus for providing analog and digitally controlled capacitances for synthesizing high-frequency signals for wireless communications.

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86. David R. Welland, Method and apparatus for providing coarse and fine tuning control for synthesizing high-frequency signals for wireless communications.

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87. Welland David R., Method and apparatus for providing coarse and fine tuning control for synthesizing high-frequency signals for wireless communications.

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88. Salvi Raul ; Leizerovich Gustavo D., Method and apparatus for self-tuning a voltage controlled oscillator (VCO).

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89. Welland David R., Method and apparatus for synthesizing dual band high-frequency signals for wireless communications.

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90. Welland David R. ; Pavelka John B. ; Healy Edmund G., Method and apparatus for synthesizing high-frequency signals utilizing on-package oscillator circuit inductors.

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91. Gailus Paul H. (Prospect Heights IL) Turney William J. (Schaumburg IL) Yester ; Jr. Francis R. (Arlington Heights IL), Method and arrangement for a sigma delta converter for bandpass signals.

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92. Mohwinkel Clifford A. (San Jose CA) Van Ness Faulkner Mark (Boulder Creek CA), Method of making a hybrid circuit with a chip having active devices with extra-chip interconnections.

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93. Campana ; Jr. Thomas J., Method of radio transmission between a radio transmitter and radio receiver.

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94. Bell Robert K. (Lynchburg VA), Multi-function modulation and center frequency control port for voltage controlled oscillator.

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95. Stuart Richard L. (Simpsonville MD), Multi-phase and multi-amplitude level modulator and modulation and demodulation methods.

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96. Hietala Alexander W. (Palatine IL) Rabe Duane C. (Rolling Meadows IL), Multiaccumulator sigma-delta fractional-N synthesis.

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97. Nakayama Keiichi,JPX ; Yamaguchi Seiichi,JPX ; Sasaki Fujio,JPX ; Aihara Yukichi,JPX ; Kosugi Hiroaki,JPX, Multiband mobile unit communication apparatus.

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98. Auvray Gerard,FRX, Multimode radio communication terminal.

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99. Yamaguchi Seiichi,JPX ; Sasaki Fujio,JPX ; Kosugi Hiroaki,JPX, Multiple-band mobile transceiver having a smaller number of local oscillators.

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100. Miller Brian M. (Liberty Lake WA), Multiple-modulator fractional-N divider.

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101. Ribner David B. (Schenectady NY) Hoe David H. K. (Schenectady NY), Multistage bandpass DS 상세보기