CA2073341C - Systeme de commande de frequence - Google Patents
Systeme de commande de frequenceInfo
- Publication number
- CA2073341C CA2073341C CA002073341A CA2073341A CA2073341C CA 2073341 C CA2073341 C CA 2073341C CA 002073341 A CA002073341 A CA 002073341A CA 2073341 A CA2073341 A CA 2073341A CA 2073341 C CA2073341 C CA 2073341C
- Authority
- CA
- Canada
- Prior art keywords
- signal
- frequency
- control system
- transmitted
- supervisory
- 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 - Fee Related
Links
- 230000010355 oscillation Effects 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims description 25
- 238000012937 correction Methods 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 description 24
- 230000001413 cellular effect Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- OGRXKBUCZFFSTL-UHFFFAOYSA-N 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol Chemical compound O=NN(C)CCCC(O)C1=CC=CN=C1 OGRXKBUCZFFSTL-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101100136648 Mus musculus Pign gene Proteins 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- DERZBLKQOCDDDZ-JLHYYAGUSA-N cinnarizine Chemical compound C1CN(C(C=2C=CC=CC=2)C=2C=CC=CC=2)CCN1C\C=C\C1=CC=CC=C1 DERZBLKQOCDDDZ-JLHYYAGUSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 150000003278 haem Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
- H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
- H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
-
- 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
- H04B1/26—Circuits for superheterodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mobile Radio Communication Systems (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63631190A | 1990-12-31 | 1990-12-31 | |
| US636,311 | 1990-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2073341C true CA2073341C (fr) | 1996-06-25 |
Family
ID=24551346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002073341A Expired - Fee Related CA2073341C (fr) | 1990-12-31 | 1991-12-26 | Systeme de commande de frequence |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPH05505088A (fr) |
| KR (1) | KR970007361B1 (fr) |
| CA (1) | CA2073341C (fr) |
| GB (1) | GB2258961B (fr) |
| MX (1) | MX9102892A (fr) |
| WO (1) | WO1992012578A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5280644A (en) * | 1992-12-22 | 1994-01-18 | Motorola, Inc. | Frequency control circuit, and associated method, for a receiver operative to receive signals-transmitted thereto in intermittent bursts |
| KR100804843B1 (ko) * | 2005-04-22 | 2008-02-20 | 헬쓰 앤드 라이프 컴퍼니 리미티드 | 무선 전자 의료 장치의 주파수 채널 변경 방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3662269A (en) * | 1969-04-28 | 1972-05-09 | Us Navy | Remote drift rate compensator for frequency standards |
| US4618996A (en) * | 1984-04-24 | 1986-10-21 | Avnet, Inc. | Dual pilot phase lock loop for radio frequency transmission |
| US4703520A (en) * | 1986-10-31 | 1987-10-27 | Motorola, Inc. | Radio transceiver having an adaptive reference oscillator |
| US5042082A (en) * | 1989-06-26 | 1991-08-20 | Telefonaktiebolaget L. M. Ericsson | Mobile assisted handoff |
-
1991
- 1991-12-26 CA CA002073341A patent/CA2073341C/fr not_active Expired - Fee Related
- 1991-12-26 JP JP4503211A patent/JPH05505088A/ja active Pending
- 1991-12-26 KR KR1019920702089A patent/KR970007361B1/ko not_active Expired - Fee Related
- 1991-12-26 WO PCT/US1991/009674 patent/WO1992012578A1/fr not_active Ceased
- 1991-12-31 MX MX9102892A patent/MX9102892A/es not_active IP Right Cessation
-
1992
- 1992-08-24 GB GB9218094A patent/GB2258961B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO1992012578A1 (fr) | 1992-07-23 |
| JPH05505088A (ja) | 1993-07-29 |
| MX9102892A (es) | 1992-06-01 |
| GB2258961B (en) | 1995-03-08 |
| GB9218094D0 (en) | 1992-11-04 |
| GB2258961A (en) | 1993-02-24 |
| KR970007361B1 (ko) | 1997-05-07 |
| KR920704447A (ko) | 1992-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |