JPS5025155A - - Google Patents
Info
- Publication number
- JPS5025155A JPS5025155A JP49017484A JP1748474A JPS5025155A JP S5025155 A JPS5025155 A JP S5025155A JP 49017484 A JP49017484 A JP 49017484A JP 1748474 A JP1748474 A JP 1748474A JP S5025155 A JPS5025155 A JP S5025155A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
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
- H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33235473A | 1973-02-14 | 1973-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5025155A true JPS5025155A (https=) | 1975-03-17 |
| JPS5431823B2 JPS5431823B2 (https=) | 1979-10-09 |
Family
ID=23297865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1748474A Expired JPS5431823B2 (https=) | 1973-02-14 | 1974-02-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3781678A (https=) |
| JP (1) | JPS5431823B2 (https=) |
| DE (1) | DE2406774C3 (https=) |
| FR (1) | FR2217855B1 (https=) |
| GB (1) | GB1423802A (https=) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58161955U (ja) * | 1982-04-23 | 1983-10-28 | 株式会社フジクラ | ドラム支持装置 |
| JPS62119107U (https=) * | 1986-01-20 | 1987-07-29 | ||
| JPH0373762A (ja) * | 1989-08-10 | 1991-03-28 | Masahiro Suga | 可撓性長尺材用巻き取りドラムの回転機 |
| JPH08245067A (ja) * | 1996-02-28 | 1996-09-24 | Hitachi Plant Eng & Constr Co Ltd | ケーブルドラム自動回転装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1509913A (en) * | 1974-05-21 | 1978-05-04 | Racal Instruments Ltd | Electrical circuit arrangements for converting an input signal of variable frequency to a signal of predetermined mean frequency |
| CN110146742A (zh) * | 2019-05-15 | 2019-08-20 | 江苏师范大学 | 一种基于改进虚拟磁链定向的谐波检测方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1080877A (en) * | 1963-10-29 | 1967-08-23 | Advance Electronics Ltd | Improvements in and relating to frequency measuring apparatus |
| US3701951A (en) * | 1971-01-05 | 1972-10-31 | Emerson Electric Co | Digital indicator for use with tunable electronic apparatus |
-
1973
- 1973-02-14 US US00332354A patent/US3781678A/en not_active Expired - Lifetime
-
1974
- 1974-02-01 GB GB474074A patent/GB1423802A/en not_active Expired
- 1974-02-13 FR FR7404851A patent/FR2217855B1/fr not_active Expired
- 1974-02-13 DE DE2406774A patent/DE2406774C3/de not_active Expired
- 1974-02-13 JP JP1748474A patent/JPS5431823B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58161955U (ja) * | 1982-04-23 | 1983-10-28 | 株式会社フジクラ | ドラム支持装置 |
| JPS62119107U (https=) * | 1986-01-20 | 1987-07-29 | ||
| JPH0373762A (ja) * | 1989-08-10 | 1991-03-28 | Masahiro Suga | 可撓性長尺材用巻き取りドラムの回転機 |
| JPH08245067A (ja) * | 1996-02-28 | 1996-09-24 | Hitachi Plant Eng & Constr Co Ltd | ケーブルドラム自動回転装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2217855A1 (https=) | 1974-09-06 |
| DE2406774A1 (de) | 1974-09-05 |
| GB1423802A (en) | 1976-02-04 |
| JPS5431823B2 (https=) | 1979-10-09 |
| US3781678A (en) | 1973-12-25 |
| DE2406774C3 (de) | 1980-04-03 |
| FR2217855B1 (https=) | 1976-11-26 |
| DE2406774B2 (de) | 1979-07-26 |