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31. 发明专利

JP4228302B2 Voltage-controlled oscillator 有权
公开(公告)号：JP4228302B2
公开(公告)日：2009-02-25
申请号：JP2004113129
申请日：2004-04-07
申请人：セイコーエプソン株式会社
发明人：真次西尾
IPC分类号： H03B5/32 , H03B5/36

32. 发明专利

JP2008245255A Oscillation circuit and oscillator 有权
标题翻译：振荡电路和振荡器
公开(公告)号：JP2008245255A
公开(公告)日：2008-10-09
申请号：JP2008026011
申请日：2008-02-06
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： YAJIMA ARITSUGU , ADACHI TAKEHIKO
IPC分类号： H03B5/36 , H03B5/30
CPC分类号： H03B5/326
摘要： PROBLEM TO BE SOLVED: To provide an oscillation circuit and an oscillator which can reduce negative resistance necessary for oscillation and power consumption of the circuit. SOLUTION: An oscillation circuit 10 comprises a cross couple-type circuit wherein a transistor M1 and a transistor M2 are connected differentially, and oscillates in a resonance point band of a vibrator SAW. The transistor M1 is connected to a resistor RL1 as a first source load circuit and the transistor M2 is connected to a resistor RL2 as a second source load circuit. Also the transistor M1 is connected to a resistor Rs1 as a first drain load circuit and the transistor M2 is connected to a resistor Rs2 as a second drain load circuit. The capacity of an impedance of the first source load circuit is the same or larger than that of a first drain load circuit, and the capacity of an impedance of the second source load circuit is the same or larger than that of the second drain load circuit. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种振荡电路和振荡器，其可以减小电路振荡和功耗所需的负电阻。解决方案：振荡电路10包括交错耦合型电路，其中晶体管M1和晶体管M2差分地连接，并且在振动器SAW的谐振点频带中振荡。晶体管M1连接到作为第一源极负载电路的电阻器RL1，并且晶体管M2连接到作为第二源极负载电路的电阻器RL2。此外，晶体管M1连接到作为第一漏极负载电路的电阻器Rs1，并且晶体管M2连接到作为第二漏极负载电路的电阻器Rs2。第一源极负载电路的阻抗的容量与第一漏极负载电路的阻抗相同或更大，并且第二源极负载电路的阻抗的容量与第二漏极负载电路的阻抗相同或更大。版权所有（C）2009，JPO＆INPIT

33. 发明专利

JP4102333B2 Oscillation circuit and a voltage controlled oscillator 有权
公开(公告)号：JP4102333B2
公开(公告)日：2008-06-18
申请号：JP2004177455
申请日：2004-06-15
申请人：株式会社東芝
发明人：隆川久保 , 垣亨彦西 , 野利彦長 , 部和秀阿
IPC分类号： H03B5/36 , H03H9/02 , H03H9/17

34. 发明专利

JP2008092605A Oscillation circuit 有权
标题翻译：振荡电路
公开(公告)号：JP2008092605A
公开(公告)日：2008-04-17
申请号：JP2007331859
申请日：2007-12-25
申请人： Hitachi Eng Co Ltd , Hitachi Haramachi Semiconductor Ltd , Renesas Technology Corp , 日立エンジニアリング株式会社 , 日立原町電子工業株式会社 , 株式会社ルネサステクノロジ
发明人： OKUTSU MITSUHIKO , SANPEI TADASHI , KOIKE KATSUNORI , NUMATA MASAHIKO , SUGAI MASARU , KIDA HIROYUKI
IPC分类号： H03B5/36 , H03B5/32
摘要： PROBLEM TO BE SOLVED: To obtain an oscillation circuit which significantly reduces oscillation rise time and obtains an oscillation output just after start of oscillation. SOLUTION: A short-circuiting means 7 is placed in parallel as an input terminal voltage biasing means of an inverting amplifier 1 between its input and output terminals, and an output buffer circuit, which receives an output of the inverting amplifier 1 and performs oscillation output, always amplifies a minute-amplitude output of the inverting amplifier 1. At the time of start of oscillation, the inverting amplifier 1 is activated, a vibrator 5 is excited by applying potential difference to both ends of the vibrator 5, and thereafter the short-circuiting means 7 is operated in a predetermined period to establish a short circuit between the input and output terminals of the inverting amplifier 1. Thus, resonance-current peak in the vibrator 5 is increased and minute vibrations of the vibrator 5 are enhanced, and therefore the start of oscillation at an early stage can be achieved. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：获得显着减少振荡上升时间的振荡电路，并获得刚刚开始振荡之后的振荡输出。解决方案：短路装置7作为反相放大器1的输入端电压偏置装置并入其输入和输出端之间，输出缓冲电路接收反相放大器1的输出和执行振荡输出，总是放大反相放大器1的微振幅输出。在振荡开始时，反相放大器1被激活，通过向振子5的两端施加电位差来激励振子5，以及此后，短路装置7在预定周期内操作，以在反相放大器1的输入和输出端之间建立短路。因此，振动器5中的谐振电流峰值增加，振动器5的微小振动增强，因此可以在早期阶段开始振荡。版权所有（C）2008，JPO＆INPIT

35. 发明专利

JP2008092401A Oscillation device 审中-公开
标题翻译：振荡器件
公开(公告)号：JP2008092401A
公开(公告)日：2008-04-17
申请号：JP2006272639
申请日：2006-10-04
申请人： Epson Toyocom Corp , エプソントヨコム株式会社
发明人： SATO TOMIO
IPC分类号： H03B5/36 , H03B5/32
摘要： PROBLEM TO BE SOLVED: To solve the problems that current consumption is large and the amplitude of an oscillation signal is small. SOLUTION: An oscillation device includes a first NPN type transistor, a second NPN type transistor, a crystal vibrator, a first resistor, a first capacitor, and a second capacitor. The emitter of the first NPN type transistor is connected substantially to a ground potential, the collector of the second NPN transistor is connected substantially to a power supply potential, and the base of the first NPN type transistor is connected to the emitter of the second NPN type transistor. The crystal vibrator and first resistor are connected in parallel to each other between the collector of the first NPN type transistor and the base of the second NPN type transistor, the first capacitor is connected between the collector of the first NPN type transistor and the power supply potential, and the second capacitor is connected between the base and emitter of the second NPN type transistor. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了解决电流消耗大且振荡信号的振幅小的问题。解决方案：振荡装置包括第一NPN型晶体管，第二NPN型晶体管，晶体振荡器，第一电阻器，第一电容器和第二电容器。第一NPN型晶体管的发射极基本上连接到地电位，第二NPN晶体管的集电极基本上连接到电源电位，第一NPN型晶体管的基极连接到第二NPN晶体管的发射极型晶体管。晶体振子和第一电阻器在第一NPN型晶体管的集电极和第二NPN型晶体管的基极之间并联连接，第一电容器连接在第一NPN型晶体管的集电极和电源并且第二电容器连接在第二NPN型晶体管的基极和发射极之间。版权所有（C）2008，JPO＆INPIT

36. 发明专利

JP4015008B2 Semiconductor integrated circuit and a wireless communication system for communication 有权
公开(公告)号：JP4015008B2
公开(公告)日：2007-11-28
申请号：JP2002338250
申请日：2002-11-21
申请人：株式会社ルネサステクノロジ
发明人：二郎新保 , 範雄林
IPC分类号： H03B1/00 , H03B5/32 , H03B5/36 , H03L7/23 , H04B1/40
CPC分类号： H04B1/406 , H03B5/366 , H03L7/23

37. 发明专利

JP2007306421A Oscillation circuit, and its control method 有权
标题翻译：振荡电路及其控制方法
公开(公告)号：JP2007306421A
公开(公告)日：2007-11-22
申请号：JP2006134342
申请日：2006-05-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIKAWA REI
IPC分类号： H03B5/36 , H03B5/32 , H03K3/02 , H03K3/354
摘要： PROBLEM TO BE SOLVED: To provide an oscillation circuit capable of continuously controlling the drive power of an amplification means and efficiently reducing the power consumption at normal time while guaranteeing the shortening of oscillation starting time and the stability operations, and to provide its control method.
SOLUTION: Since drive power of the oscillation circuit is controlled according to charge and discharge current to load capacity to be driven by the oscillation circuit, the power consumption at the regular time is effectively reduced without sacrificing the oscillation starting time and the stability of oscillation. In addition, in a system adopting the present invention, the optimal power is provided to the oscillation circuit according to variation of environment, energy saving on the whole system and life prolongation of a battery are attained.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种振荡电路，其能够连续地控制放大装置的驱动功率，并且在保证缩短振荡开始时间和稳定性操作的同时有效降低正常时间的功耗，并提供其控制方法。解决方案：由于根据充放电电流对振荡电路驱动的负载能力控制振荡电路的驱动功率，因此在不牺牲振荡开始时间和稳定性的情况下有效降低常规时间的功耗的振荡。另外，在采用本发明的系统中，根据环境变化向振荡电路提供最佳功率，实现整个系统的节能和电池的寿命延长。版权所有（C）2008，JPO＆INPIT

38. 发明专利

JP3998233B2 Oscillation circuit and an oscillation integrated circuit 有权
公开(公告)号：JP3998233B2
公开(公告)日：2007-10-24
申请号：JP2001344024
申请日：2001-11-09
申请人：セイコーNpc株式会社
发明人：正敏佐藤 , 謙一佐藤
IPC分类号： H03B5/32 , H03B5/36 , H03K3/03
CPC分类号： H03K3/0307 , H03B5/362

39. 发明专利

JP3934189B2 Crystal oscillation circuit 失效
公开(公告)号：JP3934189B2
公开(公告)日：2007-06-20
申请号：JP34351596
申请日：1996-12-24
申请人：日本テキサス・インスツルメンツ株式会社
发明人：寛史君塚 , 純貞柳田 , 博高橋
IPC分类号： H03B5/32 , H03B5/36

40. 发明专利

JP2007150461A Colpitts oscillation circuit 审中-公开
标题翻译： COLPITS振荡电路
公开(公告)号：JP2007150461A
公开(公告)日：2007-06-14
申请号：JP2005339236
申请日：2005-11-24
申请人： Nippon Dempa Kogyo Co Ltd , 日本電波工業株式会社
发明人： DEMURA HIROYUKI , TSUCHIYA SHOICHI , ONISHI NAOKI
IPC分类号： H03B5/32 , H03B5/36
摘要： PROBLEM TO BE SOLVED: To provide a Colpitts oscillation circuit using comparatively inexpensive transistors, which provides a high negative resistance at a high frequency band and a high oscillation output.
SOLUTION: The transistor Q1 and a crystal resonator X or the like in a circuit block A configure the Colpitts oscillation circuit. The transistor Q2 configured to be a common base amplifier circuit in a circuit block B amplifies an emitter output of the transistor Q1 and its collector output is positively fed back in phase to a base circuit (or collector). A circuit block C extracts an output of the transistor Q2 as an oscillation output. The Colpitts oscillation circuit includes a configuration of provision of a tuning circuit tuned to the oscillation frequency to the collector of the transistor Q2, or a configuration of inserting the tuning circuit tuned to the oscillation frequency to a positive feedback circuit.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供使用比较便宜的晶体管的Colpitts振荡电路，其在高频带和高振荡输出端提供高负电阻。解决方案：电路块A中的晶体管Q1和晶体谐振器X等构成了Colpitts振荡电路。配置为电路块B中的公共基极放大器电路的晶体管Q2放大晶体管Q1的发射极输出，并且其集电极输出被正相反相地反馈到基极（或集电极）。电路块C将晶体管Q2的输出提取为振荡输出。 Colpitts振荡电路包括提供调谐到晶体管Q2的集电极的振荡频率的调谐电路的配置，或将调谐到振荡频率的调谐电路插入正反馈电路的配置。版权所有（C）2007，JPO＆INPIT

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