JPS5214580B2 - - Google Patents
Info
- Publication number
- JPS5214580B2 JPS5214580B2 JP50049236A JP4923675A JPS5214580B2 JP S5214580 B2 JPS5214580 B2 JP S5214580B2 JP 50049236 A JP50049236 A JP 50049236A JP 4923675 A JP4923675 A JP 4923675A JP S5214580 B2 JPS5214580 B2 JP S5214580B2
- 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.)
- Expired
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
- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
- H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
Landscapes
- Manipulation Of Pulses (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2420638A DE2420638A1 (de) | 1974-04-27 | 1974-04-27 | Schaltungsanordnung zur erzeugung eines summen- und/oder differenzsignals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50150349A JPS50150349A (enExample) | 1975-12-02 |
| JPS5214580B2 true JPS5214580B2 (enExample) | 1977-04-22 |
Family
ID=5914216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50049236A Expired JPS5214580B2 (enExample) | 1974-04-27 | 1975-04-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3982109A (enExample) |
| JP (1) | JPS5214580B2 (enExample) |
| DE (1) | DE2420638A1 (enExample) |
| FR (1) | FR2269240B1 (enExample) |
| GB (1) | GB1464685A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4143650A (en) * | 1976-10-06 | 1979-03-13 | Hoffmann-La Roche Inc. | Directional doppler ultrasound systems for biosignal acquisition and method of using the same |
| US4115860A (en) * | 1977-06-02 | 1978-09-19 | Lockheed Electronics Co., Inc. | Plural load power controller with time-shared processor |
| DE4126915A1 (de) * | 1991-08-14 | 1993-02-18 | Siemens Ag | Integrierter frequenzsynthesizer-schaltkreis fuer sende-und empfangsbetrieb |
| FR2936606B1 (fr) * | 2008-10-01 | 2010-09-10 | Schneider Electric Ind Sas | Dispositif et procede de mesure de frequence dans un module automate |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3448389A (en) * | 1965-10-04 | 1969-06-03 | Hitachi Ltd | Differential frequency rate system for providing a pulse train output corresponding to the frequency difference between two input pulse trains |
| NL6704376A (enExample) * | 1967-03-25 | 1968-09-26 | ||
| US3626307A (en) * | 1969-02-14 | 1971-12-07 | Iwasaki Tsushinki Kaisha A K A | Counting system for measuring a difference between frequencies of two signals |
| US3657657A (en) * | 1970-08-03 | 1972-04-18 | William T Jefferson | Digital sine wave generator |
| US3644721A (en) * | 1970-11-09 | 1972-02-22 | Gen Motors Corp | Apparatus and method for digital frequency addition and subtraction |
| FR2122377B1 (enExample) * | 1971-01-22 | 1976-05-28 | Labo Electro Autom Dauph | |
| BE792458A (fr) * | 1971-12-10 | 1973-03-30 | Telettra Lab Telefon | Systeme et dispositif d'un detecteur phase-frequence entre signaux electriques |
-
1974
- 1974-04-27 DE DE2420638A patent/DE2420638A1/de not_active Ceased
-
1975
- 1975-04-07 US US05/565,937 patent/US3982109A/en not_active Expired - Lifetime
- 1975-04-24 GB GB1703075A patent/GB1464685A/en not_active Expired
- 1975-04-24 JP JP50049236A patent/JPS5214580B2/ja not_active Expired
- 1975-04-24 FR FR7512816A patent/FR2269240B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50150349A (enExample) | 1975-12-02 |
| GB1464685A (en) | 1977-02-16 |
| US3982109A (en) | 1976-09-21 |
| DE2420638A1 (de) | 1976-03-18 |
| FR2269240B1 (enExample) | 1979-03-23 |
| FR2269240A1 (enExample) | 1975-11-21 |