FI896267A - Foerfarande och anordning foer detektering av en fm- eller pm-modulerad signal. - Google Patents
Foerfarande och anordning foer detektering av en fm- eller pm-modulerad signal. Download PDFInfo
- Publication number
- FI896267A FI896267A FI896267A FI896267A FI896267A FI 896267 A FI896267 A FI 896267A FI 896267 A FI896267 A FI 896267A FI 896267 A FI896267 A FI 896267A FI 896267 A FI896267 A FI 896267A
- Authority
- FI
- Finland
- Prior art keywords
- signal
- modulerad
- eller
- anordning foer
- och anordning
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
-
- 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
- G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Manipulation Of Pulses (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI896267A FI88559C (fi) | 1989-12-22 | 1989-12-22 | Anordning foer detektering av en FM- eller PM-modulerad signal |
AT90313521T ATE136172T1 (de) | 1989-12-22 | 1990-12-12 | Verfahren und einrichtung zum detektieren von fm oder pm modulierter signale |
EP90313521A EP0434293B1 (en) | 1989-12-22 | 1990-12-12 | Method and device for the detection of an FM or PM modulated signal |
DE69026222T DE69026222T2 (de) | 1989-12-22 | 1990-12-12 | Verfahren und Einrichtung zum Detektieren von FM oder PM modulierter Signale |
JP40582790A JP3153253B2 (ja) | 1989-12-22 | 1990-12-25 | 周波数変調あるいは位相変調された信号の検出方法および装置 |
US07/915,230 US5270666A (en) | 1989-12-22 | 1992-07-16 | Method and circuitry for demodulation of angle modulated signals by measuring cycle time |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI896267A FI88559C (fi) | 1989-12-22 | 1989-12-22 | Anordning foer detektering av en FM- eller PM-modulerad signal |
FI896267 | 1989-12-22 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI896267A0 FI896267A0 (fi) | 1989-12-22 |
FI896267A true FI896267A (fi) | 1991-06-23 |
FI88559B FI88559B (fi) | 1993-02-15 |
FI88559C FI88559C (fi) | 1993-05-25 |
Family
ID=8529590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI896267A FI88559C (fi) | 1989-12-22 | 1989-12-22 | Anordning foer detektering av en FM- eller PM-modulerad signal |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0434293B1 (fi) |
JP (1) | JP3153253B2 (fi) |
AT (1) | ATE136172T1 (fi) |
DE (1) | DE69026222T2 (fi) |
FI (1) | FI88559C (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7570721B2 (en) * | 2005-09-23 | 2009-08-04 | Panasonic Corporation | Apparatus and method for multi-phase digital sampling |
US8422340B2 (en) * | 2008-12-08 | 2013-04-16 | General Electric Company | Methods for determining the frequency or period of a signal |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4593266A (en) * | 1983-08-08 | 1986-06-03 | Rca Corporation | Analog-to-digital converter/demodulator for FM signals |
GB2204201A (en) * | 1986-10-24 | 1988-11-02 | Vnii Radiovesh Priema Akustiki | Method and device for receiving frequency-modulated analog signals with digital processing |
-
1989
- 1989-12-22 FI FI896267A patent/FI88559C/fi not_active IP Right Cessation
-
1990
- 1990-12-12 DE DE69026222T patent/DE69026222T2/de not_active Expired - Fee Related
- 1990-12-12 AT AT90313521T patent/ATE136172T1/de active
- 1990-12-12 EP EP90313521A patent/EP0434293B1/en not_active Expired - Lifetime
- 1990-12-25 JP JP40582790A patent/JP3153253B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FI88559B (fi) | 1993-02-15 |
FI88559C (fi) | 1993-05-25 |
FI896267A0 (fi) | 1989-12-22 |
EP0434293A2 (en) | 1991-06-26 |
EP0434293A3 (en) | 1991-09-04 |
ATE136172T1 (de) | 1996-04-15 |
DE69026222D1 (de) | 1996-05-02 |
DE69026222T2 (de) | 1996-08-14 |
JPH04138703A (ja) | 1992-05-13 |
JP3153253B2 (ja) | 2001-04-03 |
EP0434293B1 (en) | 1996-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
MM | Patent lapsed |
Owner name: NOKIA MATKAPUHELIMET OY |