KR100306727B1 - 중간주파수와단일로칼발진기를사용하는광대역제로-if직교복조기 - Google Patents
중간주파수와단일로칼발진기를사용하는광대역제로-if직교복조기 Download PDFInfo
- Publication number
- KR100306727B1 KR100306727B1 KR1019970708612A KR19970708612A KR100306727B1 KR 100306727 B1 KR100306727 B1 KR 100306727B1 KR 1019970708612 A KR1019970708612 A KR 1019970708612A KR 19970708612 A KR19970708612 A KR 19970708612A KR 100306727 B1 KR100306727 B1 KR 100306727B1
- Authority
- KR
- South Korea
- Prior art keywords
- frequency
- signal
- mixer
- phase
- quadrature
- Prior art date
Links
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (11)
- 저전력 제로-IF 선택 호출 수신기에 있어서:제1 주파수(fLO)에서 주입 신호를 발생하는 로칼 발진기와;상기 로칼 발진기와 결합되어, 중간 신호와 연관된 제3 주파수(fIF)가 제1 주파수 (fLO)와 제2 주파수 (fC)의 합 또는 차 중 하나인 경우, 상기 제1 주파수(fLO)에서의 상기 주입 신호에 응답하여 상기 제2 주파수(fC)의 수신된 캐리어 신호를 상기 제3 주파수(fIF)의 중간 신호로 변환하기 위한 제1 믹서와;상기 로칼 발진기 및 상기 제1 믹서에 결합되어, 1 보다 큰 정수로 분주된 상기 제1 주파수(fLO)인 상기 제3 주파수(fIF)에서 한 쌍의 직교 위상 관련 주입 신호를 발생하는 디지탈 위상 천이기/분주기와;상기 디지탈 위상 천이기/분주기 및 상기 제1 믹서에 결합되어, 상기 한 쌍의 직교 위상 관련 주입 신호들의 동위상 및 직교 위상 성분에 각기 응답하여 상기 중간 신호의 동위상 성분을 동위상 베이스밴드 신호로변환하고, 상기 중간 신호의 직교 위상 성분을 직교 위상 베이스밴드 신호로 변환하는 한 쌍의 제2 믹서를 포함하는 것을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
- 제1항에 있어서, 상기 제3 주파수(fIF)는 4로 분주된 상기 제1 주파수(fLO)임을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
- 제1항에 있어서, 상기 로칼 발진기는 개별 수정 제어형 단일 주파수 발진기를 포함하는 것을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
- 제1항에 있어서, 상기 로칼 발진기는 주파수 합성형 발진기를 포함하는 것을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
- 제1항에 있어서, 상기 제1 믹서는 스위칭 믹서를 포함하는 것을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
- 제1항에 있어서, 상기 제2 믹서들은 스위칭 믹서들을 포함하는 것을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
- 제1항에 있어서, 상기 제1 믹서, 상기 디지탈 위상 천이기/분주기, 및 상기 한 쌍의 제2 믹서들은 단일 집적 회로 상에 제조되는 것을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
- 저전력 제로-IF 선택 호출 수신기에 있어서:제2 주파수에서 캐리어 신호를 수신하고, 제1 주파수에서 로칼 발진기 주입신호에 응답하여 제3 주파수에서 워킹 중간 주파수 신호(walking intermediate frequency signal)를 생성하는 제1 믹서와;상기 제1 믹서로부터 상기 워킹 중간 주파수 신호를 수신하고 상기 캐리어 신호 내에 포함된 변조 정보의 실제 및 가상 성분들을 나타내는 적어도 2개의 출력 신호들을 생성하는 직접 변환 직교 복조기와;1보다 큰 정수 N으로 분주된 상기 제1 주파수와 동일하며 또한 상기 제1 주파수와 제2 주파수의 합 또는 차 중 하나와 동일한 상기 제3 주파수에서 제2 로칼 발진기 주입 신호를 상기 직접 변환 직교 복조기에 제공하고, 상기 제1 주파수에서 제1 로칼 발진기 주입 신호를 상기 제1 믹서에 제공하도록 동작하는 로칼 발진기를 포함하는 것을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
- 제8항에 있어서, 상기 정수 N은 4와 동일함을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
- 제8항에 있어서, 상기 직접 변환 직교 복조기는:상기 제1 믹서 및 디지탈 위상 천이기/분주기에 결합되어, 상기 제2 발진기 신호의 동위상 주입 성분에 응답하여 상기 워킹 중간 주파수 신호의 동위상 성분을 동위상 베이스밴드 신호로 변환하는 제2 믹서와;상기 제1 믹서 및 상기 디지탈 위상 천이기/분주기에 결합되어, 상기 제2 발진기 신호의 직교 위상 주입 성분에 응답하여 상기 워킹 중간 주파수 신호의 직교위상 성분을 직교 위상 베이스밴드 신호로 변환하는 제3 믹서를 포함하는 것을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
- 제8항에 있어서, 상기 직접 변환 직교 복조기는:디지탈 위상 천이기/분주기 및 상기 제1 믹서에 결합되어, 상기 제2 발진기 신호의 동위상 및 직교 위상 성분에 각기 응답하여, 상기 워킹 중간 주파수 신호의 동위상 성분을 동위상 베이스밴드 신호로 변환하고 상기 워킹 중간 주파수 신호의 직교 위상 성분을 직교 위상 베이스밴드 신호로 변환하는 한 쌍의 제2 믹서들을 포함하는 것을 특징으로 하는 저전력 제로-IF 선택 호출 수신기.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8/456,985 | 1995-05-31 | ||
US08/456,985 | 1995-05-31 | ||
US08/456,985 US5761615A (en) | 1995-05-31 | 1995-05-31 | Wide band zero if quadrature demodulator using a intermediate frequency and a single local oscillator |
PCT/US1996/005610 WO1996038924A1 (en) | 1995-05-31 | 1996-04-22 | Wideband zero if demodulator using single l.o |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990022133A KR19990022133A (ko) | 1999-03-25 |
KR100306727B1 true KR100306727B1 (ko) | 2001-10-19 |
Family
ID=23814956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970708612A KR100306727B1 (ko) | 1995-05-31 | 1996-04-22 | 중간주파수와단일로칼발진기를사용하는광대역제로-if직교복조기 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5761615A (ko) |
JP (1) | JP2001520815A (ko) |
KR (1) | KR100306727B1 (ko) |
CN (1) | CN1085911C (ko) |
HK (1) | HK1009895A1 (ko) |
TW (1) | TW341013B (ko) |
WO (1) | WO1996038924A1 (ko) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9501243D0 (en) * | 1995-01-23 | 1995-03-15 | Rca Thomson Licensing Corp | Local oscillator using digital handswitching |
GB9617423D0 (en) * | 1995-10-11 | 1996-10-02 | Philips Electronics Nv | Receiver circuit |
US5937341A (en) * | 1996-09-13 | 1999-08-10 | University Of Washington | Simplified high frequency tuner and tuning method |
JPH1098409A (ja) * | 1996-09-20 | 1998-04-14 | Matsushita Electric Ind Co Ltd | 無線回路 |
US5918167A (en) * | 1997-03-11 | 1999-06-29 | Northern Telecom Limited | Quadrature downconverter local oscillator leakage canceller |
DE69834875T2 (de) * | 1997-03-12 | 2007-01-11 | Koninklijke Philips Electronics N.V. | Frequenzumsetzungsschaltung |
JP3360004B2 (ja) * | 1997-03-20 | 2002-12-24 | 松下電器産業株式会社 | 無線受信装置 |
US6060815A (en) | 1997-08-18 | 2000-05-09 | X-Cyte, Inc. | Frequency mixing passive transponder |
US6016422A (en) * | 1997-10-31 | 2000-01-18 | Motorola, Inc. | Method of and apparatus for generating radio frequency quadrature LO signals for direct conversion transceivers |
US6144845A (en) * | 1997-12-31 | 2000-11-07 | Motorola, Inc. | Method and circuit for image rejection |
US6243569B1 (en) | 1998-08-12 | 2001-06-05 | Analog Devices, Inc. | Direct conversion circuit for radio frequency signals |
US6230000B1 (en) * | 1998-10-15 | 2001-05-08 | Motorola Inc. | Product detector and method therefor |
KR20000040082A (ko) * | 1998-12-17 | 2000-07-05 | 서평원 | 중간주파 국부발진회로 |
US6587678B1 (en) * | 1999-03-02 | 2003-07-01 | Skyworks Solutions, Inc. | Direct conversion receiver employing subharmonic frequency translator architecture and related preprocessor |
US6393266B1 (en) | 1999-03-02 | 2002-05-21 | Conexant Systems, Inc. | Preprocessor and related frequency translator |
US6445726B1 (en) * | 1999-04-30 | 2002-09-03 | Texas Instruments Incorporated | Direct conversion radio receiver using combined down-converting and energy spreading mixing signal |
GB9912439D0 (en) * | 1999-05-27 | 1999-07-28 | Mitel Semiconductor Ltd | A receiver |
US6574462B1 (en) | 1999-08-25 | 2003-06-03 | Analog Devices, Inc. | Local oscillator apparatus for radio frequency communication systems |
JP4724794B2 (ja) * | 2000-01-19 | 2011-07-13 | エスティー‐エリクソン、ソシエテ、アノニム | ラジオfm受信機 |
WO2001071934A1 (en) | 2000-03-21 | 2001-09-27 | Koninklijke Philips Electronics N.V. | Communication system with frequency modulation and with a single local oscillator |
US6947499B2 (en) * | 2000-07-31 | 2005-09-20 | Icom Incorporated | Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal |
US6370372B1 (en) * | 2000-09-25 | 2002-04-09 | Conexant Systems, Inc. | Subharmonic mixer circuit and method |
FI20002164A (fi) * | 2000-09-29 | 2002-03-30 | Nokia Corp | Frekvenssikonversio |
US7116728B2 (en) * | 2001-05-25 | 2006-10-03 | Matsushita Electric Industrial Co., Ltd. | Quadrature alignment in communications receivers using dual delay lines |
US6876844B1 (en) * | 2001-06-29 | 2005-04-05 | National Semiconductor Corporation | Cascading-synchronous mixer and method of operation |
US7646782B1 (en) * | 2001-07-30 | 2010-01-12 | Primrose Donald R | Data link/physical layer packet buffering and flushing |
FR2828599B1 (fr) * | 2001-08-13 | 2005-06-24 | Stepmind | Circuit melangeur a rejection de frequence image, notamment pour un recepteur rf a frequence intermediaire nulle ou faible |
JP3828793B2 (ja) * | 2001-12-04 | 2006-10-04 | Necエレクトロニクス株式会社 | 直交ミキサ回路 |
US6850745B2 (en) * | 2002-01-23 | 2005-02-01 | Broadcom Corp | Method and apparatus for generating a self-correcting local oscillation |
JP2003304168A (ja) * | 2002-04-08 | 2003-10-24 | Asahi Kasei Microsystems Kk | 受信装置 |
US6882834B1 (en) * | 2002-04-26 | 2005-04-19 | Analog Devices, Inc. | Direct conversion receiver apparatus |
US7194044B2 (en) * | 2002-05-22 | 2007-03-20 | Alexander Neil Birkett | Up/down conversion circuitry for radio transceiver |
US20040002320A1 (en) * | 2002-06-28 | 2004-01-01 | Ching-Lang Lin | Square wave local oscillator technique for direct conversion receiver |
US6850748B2 (en) * | 2002-07-31 | 2005-02-01 | Gct Semiconductor, Inc. | RF front end with reduced carrier leakage |
JP4335135B2 (ja) * | 2002-08-08 | 2009-09-30 | エヌエックスピー ビー ヴィ | 複数の局部発振器を有する改善されたミキサおよびこれに基づくシステム |
US7272375B2 (en) | 2004-06-30 | 2007-09-18 | Silicon Laboratories Inc. | Integrated low-IF terrestrial audio broadcast receiver and associated method |
US7203475B2 (en) * | 2004-09-14 | 2007-04-10 | Broadcom Corporation | Multiple rate local oscillation generator and applications thereof |
JP4546295B2 (ja) * | 2005-03-16 | 2010-09-15 | 富士通セミコンダクター株式会社 | 受信装置 |
DE102005019786A1 (de) * | 2005-04-28 | 2006-11-09 | Newlogic Technologies Ag | Dualband-Frequenz-Synthesizer |
CN100517988C (zh) * | 2005-07-11 | 2009-07-22 | 络达科技股份有限公司 | 射频接收器与射频接收方法 |
US7398073B2 (en) * | 2005-09-06 | 2008-07-08 | Skyworks Solutions, Inc. | Low noise mixer |
US20070169307A1 (en) * | 2006-01-26 | 2007-07-26 | Xerox Corporation | Adjustable castor assembly |
US20090117859A1 (en) * | 2006-04-07 | 2009-05-07 | Belair Networks Inc. | System and method for frequency offsetting of information communicated in mimo based wireless networks |
US7881690B2 (en) | 2006-04-07 | 2011-02-01 | Belair Networks Inc. | System and method for zero intermediate frequency filtering of information communicated in wireless networks |
US8254865B2 (en) | 2006-04-07 | 2012-08-28 | Belair Networks | System and method for frequency offsetting of information communicated in MIMO-based wireless networks |
JP2008053836A (ja) * | 2006-08-22 | 2008-03-06 | Sharp Corp | 受信回路及び受信機 |
JP5084543B2 (ja) * | 2008-02-12 | 2012-11-28 | キヤノン株式会社 | 画像処理装置及び画像処理方法 |
KR20100026360A (ko) * | 2008-08-29 | 2010-03-10 | 한국전자통신연구원 | 누설신호 저감장치 및 그 방법 |
WO2010027092A1 (ja) * | 2008-09-08 | 2010-03-11 | 日本電気株式会社 | 受信装置及び方法並びに信号供給装置及び方法 |
WO2010046957A1 (ja) * | 2008-10-24 | 2010-04-29 | 株式会社アドバンテスト | 直交振幅復調器、復調方法およびそれらを利用した半導体装置および試験装置 |
US8085088B2 (en) * | 2009-03-04 | 2011-12-27 | National Semiconductor Corporation | Quadrature signal demodulator circuitry suitable for doppler ultrasound |
EP2288041A3 (en) * | 2009-08-18 | 2013-04-24 | Gerald Youngblood | Direct conversion receiver |
US9182485B1 (en) * | 2011-05-24 | 2015-11-10 | Garmin International, Inc. | Transmit/receive module for electronically steered weather radar |
US9276622B2 (en) * | 2013-03-14 | 2016-03-01 | Qualcomm Incorporated | Local oscillator (LO) generator with multi-phase divider and phase locked loop |
US9383433B2 (en) * | 2013-03-15 | 2016-07-05 | Autoliv Asp, Inc. | System and method for calibration and built-in self test of automobile radar system |
US8928369B1 (en) * | 2013-07-31 | 2015-01-06 | Futurewei Technologies, Inc. | Low power local oscillator quadrature generator |
US11177818B2 (en) | 2018-08-24 | 2021-11-16 | Analog Devices International Unlimited Company | Non-quadrature local oscillator mixing and multi-decade coverage |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5303417A (en) * | 1990-08-08 | 1994-04-12 | Plessey Semiconductors Ltd. | Mixer for direct conversion receiver |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3390343A (en) * | 1965-05-24 | 1968-06-25 | Collins Radio Co | Single side-band pulse product detector |
US4492960A (en) * | 1982-01-18 | 1985-01-08 | The United States Of America As Represented By The Secretary Of The Navy | Switching mixer |
JPS59204317A (ja) * | 1983-05-04 | 1984-11-19 | Toshiba Corp | オ−デイオagc回路 |
JPS61171207A (ja) * | 1985-01-25 | 1986-08-01 | Nec Corp | 受信機 |
JPH0453302A (ja) * | 1990-06-21 | 1992-02-20 | Pioneer Electron Corp | 無線受信機の周波数変換回路 |
US5111162A (en) * | 1991-05-03 | 1992-05-05 | Motorola, Inc. | Digital frequency synthesizer having AFC and modulation applied to frequency divider |
US5210484A (en) * | 1992-05-15 | 1993-05-11 | Louis R. Fantozzi | Lock-in amplifier |
DE4345610B4 (de) * | 1992-06-17 | 2013-01-03 | Micron Technology Inc. | Verfahren zur Herstellung einer Hochfrequenz-Identifikationseinrichtung (HFID) |
US5465415A (en) * | 1992-08-06 | 1995-11-07 | National Semiconductor Corporation | Even order term mixer |
JPH0715236A (ja) * | 1993-06-18 | 1995-01-17 | Mitsubishi Electric Corp | 周波数シンセサイザ |
US5412351A (en) * | 1993-10-07 | 1995-05-02 | Nystrom; Christian | Quadrature local oscillator network |
US5479458A (en) * | 1994-10-05 | 1995-12-26 | Tanaka; Yoshiaki | Digital phase shifter including 1/N for phase detect and subsequent VCO adjust |
-
1995
- 1995-05-31 US US08/456,985 patent/US5761615A/en not_active Expired - Lifetime
-
1996
- 1996-04-22 WO PCT/US1996/005610 patent/WO1996038924A1/en active IP Right Grant
- 1996-04-22 KR KR1019970708612A patent/KR100306727B1/ko not_active IP Right Cessation
- 1996-04-22 JP JP53647096A patent/JP2001520815A/ja active Pending
- 1996-04-22 CN CN96194359A patent/CN1085911C/zh not_active Expired - Fee Related
- 1996-10-07 TW TW085112231A patent/TW341013B/zh active
-
1998
- 1998-09-24 HK HK98110910A patent/HK1009895A1/xx not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5303417A (en) * | 1990-08-08 | 1994-04-12 | Plessey Semiconductors Ltd. | Mixer for direct conversion receiver |
Also Published As
Publication number | Publication date |
---|---|
JP2001520815A (ja) | 2001-10-30 |
US5761615A (en) | 1998-06-02 |
WO1996038924A1 (en) | 1996-12-05 |
CN1187915A (zh) | 1998-07-15 |
CN1085911C (zh) | 2002-05-29 |
TW341013B (en) | 1998-09-21 |
HK1009895A1 (en) | 1999-09-10 |
KR19990022133A (ko) | 1999-03-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100306727B1 (ko) | 중간주파수와단일로칼발진기를사용하는광대역제로-if직교복조기 | |
US6243569B1 (en) | Direct conversion circuit for radio frequency signals | |
US6510185B2 (en) | Single chip CMOS transmitter/receiver | |
US6445726B1 (en) | Direct conversion radio receiver using combined down-converting and energy spreading mixing signal | |
US6370372B1 (en) | Subharmonic mixer circuit and method | |
US6850749B2 (en) | Local oscillator architecture to reduce transmitter pulling effect and minimize unwanted sideband | |
KR100619227B1 (ko) | 단일칩 시모스(cmos) 송신기/수신기 및브이시오(vco) 믹서 구조 | |
US6317590B1 (en) | Mixer for a receiver | |
JPH09219664A (ja) | 無線送受信機 | |
KR100836950B1 (ko) | 고조파 믹서 | |
US20060245518A1 (en) | Receiver front-end with low power consumption | |
Magoon et al. | RF local oscillator path for GSM direct conversion transceiver with true 50% duty cycle divide by three and active third harmonic cancellation | |
US7542521B2 (en) | Direct-conversion frequency mixer | |
CN100426658C (zh) | 频率转换电路装置及包含该电路装置之移动无线装置 | |
US20040014446A1 (en) | Methods and systems for odd-order LO compensation for even-harmonic mixers | |
JP2580833B2 (ja) | 周波数変換回路 | |
JPH11331011A (ja) | ダイレクトコンバージョン方式デジタルチューナ | |
US20020127992A1 (en) | Wideband local oscillator architecture | |
JP2003069345A (ja) | 周波数変換器及び受信機 | |
JP3020642B2 (ja) | 無線受信装置 | |
US20060284686A1 (en) | Quadrature phase oscillator using complex coefficient filter | |
US20040029544A1 (en) | Direct conversion circuit capable of eliminating distortion of base band signals | |
US20030190901A1 (en) | Direct conversion receiving unit | |
JPH07202743A (ja) | 周波数変換装置 | |
JPH08307466A (ja) | 周波数検波回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0105 | International application |
Patent event date: 19971129 Patent event code: PA01051R01D Comment text: International Patent Application |
|
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19980407 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20000531 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20010514 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20010813 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20010814 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20040714 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20050708 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20060710 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20070710 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20080704 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20090709 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20100729 Start annual number: 10 End annual number: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20110728 Start annual number: 11 End annual number: 11 |
|
FPAY | Annual fee payment |
Payment date: 20120727 Year of fee payment: 12 |
|
PR1001 | Payment of annual fee |
Payment date: 20120727 Start annual number: 12 End annual number: 12 |
|
FPAY | Annual fee payment |
Payment date: 20130729 Year of fee payment: 13 |
|
PR1001 | Payment of annual fee |
Payment date: 20130729 Start annual number: 13 End annual number: 13 |
|
FPAY | Annual fee payment |
Payment date: 20140730 Year of fee payment: 14 |
|
PR1001 | Payment of annual fee |
Payment date: 20140730 Start annual number: 14 End annual number: 14 |
|
FPAY | Annual fee payment |
Payment date: 20150727 Year of fee payment: 15 |
|
PR1001 | Payment of annual fee |
Payment date: 20150727 Start annual number: 15 End annual number: 15 |
|
EXPY | Expiration of term | ||
PC1801 | Expiration of term |
Termination date: 20161022 Termination category: Expiration of duration |