JPH029734B2 - - Google Patents
Info
- Publication number
- JPH029734B2 JPH029734B2 JP56046363A JP4636381A JPH029734B2 JP H029734 B2 JPH029734 B2 JP H029734B2 JP 56046363 A JP56046363 A JP 56046363A JP 4636381 A JP4636381 A JP 4636381A JP H029734 B2 JPH029734 B2 JP H029734B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- controlled oscillator
- comparator
- converter
- preset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000010355 oscillation Effects 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000007704 transition Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
- H03L7/187—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of the loop
- H03L7/189—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of the loop comprising a D/A converter for generating a coarse tuning voltage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56046363A JPS57162527A (en) | 1981-03-31 | 1981-03-31 | Setting device for preset voltage of frequency synthesizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56046363A JPS57162527A (en) | 1981-03-31 | 1981-03-31 | Setting device for preset voltage of frequency synthesizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57162527A JPS57162527A (en) | 1982-10-06 |
| JPH029734B2 true JPH029734B2 (de) | 1990-03-05 |
Family
ID=12745065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56046363A Granted JPS57162527A (en) | 1981-03-31 | 1981-03-31 | Setting device for preset voltage of frequency synthesizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57162527A (de) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987007794A1 (en) * | 1986-06-03 | 1987-12-17 | Information Resources, Inc. | Characterized fast tuning control for a television system |
| WO1993005578A1 (en) * | 1991-08-30 | 1993-03-18 | Fujitsu Limited | Frequency synthesizer |
| CN102036461B (zh) | 2004-07-21 | 2012-11-14 | 梅威申医疗系统有限公司 | 用于同步回旋加速器的可编程的射频波形发生器 |
| JP5368103B2 (ja) | 2005-11-18 | 2013-12-18 | メビオン・メディカル・システムズ・インコーポレーテッド | 荷電粒子放射線治療 |
| US8933650B2 (en) * | 2007-11-30 | 2015-01-13 | Mevion Medical Systems, Inc. | Matching a resonant frequency of a resonant cavity to a frequency of an input voltage |
| ES2739634T3 (es) | 2012-09-28 | 2020-02-03 | Mevion Medical Systems Inc | Control de terapia de partículas |
| JP6121546B2 (ja) | 2012-09-28 | 2017-04-26 | メビオン・メディカル・システムズ・インコーポレーテッド | 粒子加速器用の制御システム |
| US10254739B2 (en) | 2012-09-28 | 2019-04-09 | Mevion Medical Systems, Inc. | Coil positioning system |
| US9622335B2 (en) | 2012-09-28 | 2017-04-11 | Mevion Medical Systems, Inc. | Magnetic field regenerator |
| WO2014052719A2 (en) | 2012-09-28 | 2014-04-03 | Mevion Medical Systems, Inc. | Adjusting energy of a particle beam |
| US9730308B2 (en) | 2013-06-12 | 2017-08-08 | Mevion Medical Systems, Inc. | Particle accelerator that produces charged particles having variable energies |
| CN105764567B (zh) | 2013-09-27 | 2019-08-09 | 梅维昂医疗系统股份有限公司 | 粒子束扫描 |
| US9962560B2 (en) | 2013-12-20 | 2018-05-08 | Mevion Medical Systems, Inc. | Collimator and energy degrader |
| US10675487B2 (en) | 2013-12-20 | 2020-06-09 | Mevion Medical Systems, Inc. | Energy degrader enabling high-speed energy switching |
| US9661736B2 (en) | 2014-02-20 | 2017-05-23 | Mevion Medical Systems, Inc. | Scanning system for a particle therapy system |
| US9950194B2 (en) | 2014-09-09 | 2018-04-24 | Mevion Medical Systems, Inc. | Patient positioning system |
| US10786689B2 (en) | 2015-11-10 | 2020-09-29 | Mevion Medical Systems, Inc. | Adaptive aperture |
| JP7059245B2 (ja) | 2016-07-08 | 2022-04-25 | メビオン・メディカル・システムズ・インコーポレーテッド | 治療計画の決定 |
| US11103730B2 (en) | 2017-02-23 | 2021-08-31 | Mevion Medical Systems, Inc. | Automated treatment in particle therapy |
| JP6940676B2 (ja) | 2017-06-30 | 2021-09-29 | メビオン・メディカル・システムズ・インコーポレーテッド | リニアモーターを使用して制御される構成可能コリメータ |
| CN113811355B (zh) | 2019-03-08 | 2024-07-23 | 美国迈胜医疗系统有限公司 | 穿过柱体输送辐射并为其产生治疗计划 |
-
1981
- 1981-03-31 JP JP56046363A patent/JPS57162527A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57162527A (en) | 1982-10-06 |
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