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System for limiting the transmitted power of a mobile communication means

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/38
  • H04M-001/00
출원번호 US-0968645 (1997-11-12)
우선권정보 FI0004548 (1996-11-13)
발명자 / 주소
  • Pirhonen Riku,FIX
  • Ojanpera Tero,FIX
출원인 / 주소
  • Nokia Mobile Phones Ltd., FIX
대리인 / 주소
    Perman & Green, LLP
인용정보 피인용 횟수 : 44  인용 특허 : 31

초록

The aim of the invention is to restrict the maximum transmitted power used by a mobile communication device. In most countries there are regulations in force which impose certain maximum limits on the power of electromagnetic radiation directed towards humans. These limits vary from country to count

대표청구항

[What is claimed is:] [1.]at least one means for producing an indication of the mode of usage of the mobile communication means, one mode of usage being for voice transmission and another mode of usage being for data transmission; anda control unit for controlling the functions of the mobile communi

이 특허에 인용된 특허 (31)

  1. Visnen Risto (Salo FIX) Sarasmo Jukka (Salo FIX) Pekkarinen Vesa (Salo FIX), Analog pulse converter from square to triangular to cos2 wave.
  2. Lindell Bo K. (Lidingo SEX), Averaged RF exposure control.
  3. Murtojarvi Simo (Salo FIX), Bias control circuit for an RF power amplifier.
  4. Vaisanen Risto (Salo FIX), Circuit for controlling the transmit power level in a booster amplifier for a digital mobile phone system.
  5. Vis/nen Risto (Salo FIX) Sarasmo Jukka (Salo FIX) Pekkarinen Vesa (Salo FIX), Circuit for forming low power levels in a transmitter of a radio telephone.
  6. Kukkonen Osmo (Salo FIX), Circuit for measuring the output power from an amplifier.
  7. Ikonen Raimo (Pertteli FIX) Lonka Pekka (Salo FIX) Mikkola Pekka (Salo FIX), Circuitry for widening the effective range of a transmitter.
  8. Saarnimo Timo (Salo FIX) Niemi Mika (Salo FIX), Control circuitry for an RF signal amplifier.
  9. Kuisma Erkki (Salo FIX), Control voltage generator in a transmitter arrangement for digitally modulated signals.
  10. Verronen Jouni I. (Kannokkotie FIX), Controllable high-frequency attenuator.
  11. Goldberg Arthur M. (North Lauderdale FL), Digital option select system.
  12. Pakonen Hannu (Tampere FIX), Directional detector for power level control.
  13. Mattila Heikki (Oulu FIX) Matero Jorma (Oulu FIX) Pakonen Hannu (Oulu FIX), Dual mode amplifier with bias control.
  14. Epperson Darrell (Wake Forest NC) Dent Paul W. (Cary NC), Dual mode power amplifier for analog and digital cellular telephones.
  15. Heinonen Jarmo (Salo FIX) Hulkko Jaakko (Oulu FIX) Vilmi Toivo (Haukipudas FIX), Dual mode transmission system with switched linear amplifier.
  16. Visnen Risto (Salo FIX) Sarasmo Jukka (Salo FIX) Pekkarinen Vesa (Salo FIX), Linearizing circuit for dectection of a RF-power sensor.
  17. Vaisanen Risto (Salo FIX), Method and apparatus for tuning and compensating power levels in a radio telephone.
  18. Takeda Mikio (Koube JPX), Mobile telephone having a portable telephone, vehicle-mounted booster, vehicle-mounted battery and a voltage regulator.
  19. Lehtinen Kari T. (Salo FIX) Hakkanen Jouko (Salo FIX), Output power control and envelope shaping for a pulsed transmitter.
  20. Nguyen Nam D.,CAX, Personal communications terminal having switches which independently energize a mobile telephone and a personal digital.
  21. Nuovo Frank (Los Angeles CA) Phillips Sheldon (Woodland Hills CA) Vong Andy (Venice CA), Portable telephone.
  22. Muurinen Jari (Pernio FIX), Power booster for a radio telephone.
  23. Juntti Juhani (Puuppola FIX), Power control apparatus and method for a radiotelephone.
  24. Vaisanen Risto (Salo FIX), Power control method for a voltage controlled power amplifier and circuitry used in the method.
  25. Vimpari Markku (Oulu FIX) Seppanen Arto (Oulunsalo FIX), Power detector that employs a feedback circuit to enable class B operation of a detector transistor.
  26. Visnen Risto (Salo FIX) Sarasmo Jukka (Salo FIX) Pekkarinen Vesa (Salo FIX), Procedure for forming low power levels in a radio telephone transmitter.
  27. Stutzman Warren L. (Blacksburg VA) Nealy J. Randall (Christiansburg VA), Reduced operator emission exposure antennas for safer hand-held radios and cellular telephones.
  28. Mucke Lars H. (San Diego CA) Heinonen Jarmo (Salo FIX), Spread spectrum radiotelephone having adaptive transmitter gain control.
  29. Kuisma Erkki (Salo FIX), Transmitter arrangement for digitally modulated signals.
  30. Vanhanen Petteri (Jli FIX) Myrskog Markku (Oulu FIX) Seppnen Arto (Oulunsalo FIX), Transmitter switch-on in a dual-mode mobile phone.
  31. Adachi Keigo (Hyogo JPX), Transmitting power control circuit.

이 특허를 인용한 특허 (44)

  1. Bark, Gunnar; Rimhagen, Thomas; Muller, Walter, Adaptive power control in a radio communications systems.
  2. Thijssen, Jeroen; Ohlgren, Håkan, Cell phone accessory identification algorithm by generating and measuring a voltage pulse through a pin interface.
  3. Kirby, Miles Alexander Lyell; Keating, Virginia Walker; Burdo, Rinat; Ozaki, Ernest T., Conveying device information relating to wireless charging.
  4. Johnson, Douglas M.; Liwinski, Henry Z., Gain block with stable internal bias from low-voltage power supply.
  5. Bychkov, Eyal; Storfer, Lior; Sherman, Itay; Katz, Hagay; Brison, Uriel R.; Ron, Uri; Engelstein, Tal; Zeltser, Sagiv, Low radiation wireless communicator.
  6. Bychkov, Eyal; Storfer, Lior; Sherman, Itay; Katz, Hagay; Brison, Uriel R.; Ron, Uri; Engelstein, Tal; Zeltser, Sagiv, Low radiation wireless communicator.
  7. Bychkov, Eyal; Storfer, Lior; Sherman, Itay; Katz, Hagay; Brison, Uriel R.; Ron, Uri; Engelstein, Tal; Zeltser, Sagiv, Low radiation wireless communicator.
  8. Bychkov, Eyal; Storfer, Lior; Sherman, Itay; Katz, Hagay; Brison, Uriel R.; Ron, Uri; Engelstein, Tal; Zeltser, Sagiv, Low radiation wireless communicator.
  9. Toncich, Stanley S.; Ozaki, Ernest T.; Mohammadian, Alireza H., Method and apparatus for adaptive tuning of wireless power transfer.
  10. Pourseyed, Behrouz; Smith, Vincent Maddock; Wang, Ying; Goodfellow, Kevin Alexander; Lee, Colin, Method and apparatus for controlling radiation characteristics of transmitter of wireless device in correspondence with transmitter orientation.
  11. Mohammadian, Alireza Hormoz, Method and apparatus with negative resistance in wireless power transfers.
  12. Di-Luan Le CA; Guy Theberge CA; Nacer Hassaine CA; Ying Shen, Methods for radio calibration at room temperature.
  13. Katis, Thomas E.; Panttaja, James T.; Panttaja, Mary G.; Ranney, Matthew J., Mobile communication device, method, and system for reducing exposure to radio frequency energy during transmissions by transmitting media in/out while the mobile communication device is safe distance away from user.
  14. Ron, Uri; Bychkov, Eyal; Sherman, Itay; Kremer, Nataly, Mobile phone locator.
  15. Moran, Dov; Sherman, Itay; Bychkov, Eyal; Cohen, Itay; Segalov, Yaron; Demri, Tamir; Miller, Eran; Ron, Uri; Engelstein, Tal; Katz, Hagay; Perry, Hagit, Modular wireless communicator.
  16. Moran, Dov; Sherman, Itay; Bychkov, Eyal; Cohen, Itay; Segalov, Yaron; Demri, Tamir; Miller, Eran; Ron, Uri; Engelstein, Tal; Katz, Hagay; Perry, Hagit, Modular wireless communicator.
  17. Arell, Thomas W.; Liwinski, Henry Z., Multi-mode amplifier bias circuit.
  18. McDowell, Richard L.; Mooney, Philip D., Portable cell phone and a proximity regulation system for use with a portable cell phone.
  19. McDowell, Richard L.; Mooney, Philip D., Portable cell phone and a proximity regulation system for use with a portable cell phone.
  20. McDowell,Richard L.; Mooney,Philip D., Proximity regulation system for use with a portable cell phone and a method of operation thereof.
  21. McDowell,Richard L.; Mooney,Philip D., Proximity regulation system for use with a portable cell phone and a method of operation thereof.
  22. Mohammadian, Alireza Hormoz; Kasturi, Sreenivas; Kirby, Miles Alexander Lyell; Ozaki, Ernest T.; Toncich, Stanley Slavko; Tran, Allen Minh-Triet, Receive antenna for wireless power transfer.
  23. Mohammadian, Alireza Hormoz; Ozaki, Ernest T.; Grob, Matthew S., Repeaters for enhancement of wireless power transfer.
  24. Mohammadian, Alireza Hormoz; Ozaki, Ernest T.; Grob, Matthew S., Repeaters for enhancement of wireless power transfer.
  25. Toncich, Stanley Slavko; Von Novak, III, William Henry, Reverse link signaling via receive antenna impedance modulation.
  26. Toncich, Stanley Slavko; Von Novak, William H., Reverse link signaling via receive antenna impedance modulation.
  27. Sherman, Itay; Bychkov, Eyal; Segalov, Yaron, SD switch box in a cellular handset.
  28. Toncich, Stanley Slavko; Von Novak, III, William Henry, Signaling charging in wireless power environment.
  29. Toncich, Stanley Slavko; Von Novak, William H., Signaling charging in wireless power environment.
  30. Nevermann,Peter, System and method for detecting the proximity of a body.
  31. Nevermann,Peter, System and method for detecting the proximity of a body.
  32. Katis, Thomas E.; Panttaja, James T.; Panttaja, Mary G.; Ranney, Matthew J., System and method for reducing RF radiation exposure for a user of a mobile communication device by saving transmission containing non time-sensitive media until the user of the mobile communication device is a safe distance away from the user.
  33. Nevermann,Peter, System and method for reducing SAR values.
  34. Ngai, Francis Ming-Meng; Forrester, John A.; Pandey, Anshul; Bhattacharjee, Supratik; Vaidyanathan, Rema; George, Brian Michael; Ji, Zhu, Systems and methods for dynamic transmission power limit back-off for specific absorption rate compliance.
  35. Ngai, Francis Ming-Meng; Forrester, John A.; Pandey, Anshul; Bhattacharjee, Supratik; Vaidyanathan, Rema; George, Brian Michael; Ji, Zhu, Systems and methods for dynamic transmission power limit back-off for specific absorption rate compliance.
  36. Ozaki, Ernest T.; Burdo, Rinat; Farahani, Shahin, Systems and methods relating to multi-dimensional wireless charging.
  37. Demers, Brian Joseph; Berlepsch, Joseph Allen, Tool handle.
  38. Demers, Brian Joseph; Berlepsch, Joseph Allen, Tool handle.
  39. Demers, Brian Joseph; Berlepsch, Joseph Allen, Tool handle.
  40. Kirby, Miles A.; Grob, Matthew S.; Ozaki, Ernest T.; Jacobs, Paul E.; Von Novak, William H.; Mohammadian, Alireza Hormoz; Toncich, Stanley S., Wireless power transfer for appliances and equipments.
  41. Kirby, Miles A; Burdo, Rinat; Keating, Virginia W; Ozaki, Ernest T; Mangan, Michael J; Von Novak, William H, Wireless power transfer for furnishings and building elements.
  42. Kirby, Miles A.; Von Novak, William H.; Mangan, Michael J., Wireless power transfer for portable enclosures.
  43. Kirby, Miles Alexander Lyell; Burdo, Rinat; Keating, Virginia Walker; Grob, Matthew Stuart; Heilsberg, Stuart; Mangan, Michael; Ozaki, Ernest, Wireless power transfer for vehicles.
  44. Mohammadian, Alireza Hormoz; Kasturi, Sreenivas; Kirby, Miles Alexander Lyell; Ozaki, Ernest T.; Toncich, Stanley Slavko; Tran, Allen Minh-Triet, Wireless power transfer using multiple transmit antennas.
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