SE369655B - - Google Patents
Info
- Publication number
- SE369655B SE369655B SE12836/69A SE1283669A SE369655B SE 369655 B SE369655 B SE 369655B SE 12836/69 A SE12836/69 A SE 12836/69A SE 1283669 A SE1283669 A SE 1283669A SE 369655 B SE369655 B SE 369655B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
- H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
- H03G11/02—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general by means of diodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Manipulation Of Pulses (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76094368A | 1968-09-19 | 1968-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE369655B true SE369655B (xx) | 1974-09-09 |
Family
ID=25060644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE12836/69A SE369655B (xx) | 1968-09-19 | 1969-09-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3628165A (xx) |
| DE (1) | DE1947639A1 (xx) |
| FR (1) | FR2018405A1 (xx) |
| GB (1) | GB1288768A (xx) |
| SE (1) | SE369655B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2909921A1 (de) * | 1979-03-14 | 1980-09-25 | Itt Ind Gmbh Deutsche | Tonkanalschaltung bei frequenzmodulierten signalen |
| FR2591048B1 (fr) * | 1985-11-29 | 1988-01-15 | Trt Telecom Radio Electr | Discriminateur numerique de frequence, et application a un signal composite vor |
| US5546025A (en) * | 1994-03-11 | 1996-08-13 | Mitel, Inc. | Low frequency discrimator using upper and lower thresholds |
| JP2009231954A (ja) * | 2008-03-19 | 2009-10-08 | Fujitsu Ltd | 多値信号受信器 |
| CN109286389B (zh) * | 2018-11-30 | 2023-10-27 | 成都嘉纳海威科技有限责任公司 | 一种用于突发模式限幅放大器的信号鉴别装置及方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2912573A (en) * | 1956-10-17 | 1959-11-10 | Motorola Inc | Receiver having frequency-and-amplitude-modulation-detecting limiter stage |
| US2992384A (en) * | 1959-07-06 | 1961-07-11 | Thompson Ramo Wooldridge Inc | Frequency counter |
| US3092736A (en) * | 1960-03-30 | 1963-06-04 | Lignes Telegraph Telephon | Plural signal frequency detector able to continuously distinguish whether frequency difference is positive or negative |
| NL273846A (xx) * | 1961-01-24 | |||
| US3230457A (en) * | 1961-09-25 | 1966-01-18 | Bell Telephone Labor Inc | Digital demodulator for frequencyshift keyed signals |
| US3350580A (en) * | 1965-11-30 | 1967-10-31 | Sperry Rand Corp | Monitor employing logic gate and counter to indicate normal pulse-train failure after predetermined time interval |
| US3353112A (en) * | 1966-05-20 | 1967-11-14 | Gen Dynamics Corp | Frequency synthesizing system |
-
1968
- 1968-09-19 US US760943A patent/US3628165A/en not_active Expired - Lifetime
-
1969
- 1969-09-17 FR FR6931534A patent/FR2018405A1/fr not_active Withdrawn
- 1969-09-18 SE SE12836/69A patent/SE369655B/xx unknown
- 1969-09-19 DE DE19691947639 patent/DE1947639A1/de active Pending
- 1969-09-19 GB GB1288768D patent/GB1288768A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1947639A1 (de) | 1970-04-23 |
| GB1288768A (xx) | 1972-09-13 |
| US3628165A (en) | 1971-12-14 |
| FR2018405A1 (xx) | 1970-05-29 |