NO920428L - SYNTHETIZED SELECTIVE CALL RECEIVERS WITH VARIABLE CHARACTERISTICS - Google Patents
SYNTHETIZED SELECTIVE CALL RECEIVERS WITH VARIABLE CHARACTERISTICSInfo
- Publication number
- NO920428L NO920428L NO92920428A NO920428A NO920428L NO 920428 L NO920428 L NO 920428L NO 92920428 A NO92920428 A NO 92920428A NO 920428 A NO920428 A NO 920428A NO 920428 L NO920428 L NO 920428L
- Authority
- NO
- Norway
- Prior art keywords
- frequency
- time
- synthetized
- selective call
- variable characteristics
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 1
Landscapes
- Circuits Of Receivers In General (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Oppkallsmottaker med en syntetiserer (16) for styring av mottakstrekvensen. Oppkallsmottakeren har videre karakteristika (52, 54) som varieres i respons til mottakstrekvensen. Disse karakteristika (52, 54) omfatter å variere båndbredden (52) for et sløyfefilter (26) for en faselåsesløyfe (24, 26, 28, 30) i syntetisereren (16), såvel som å variere tida (52) for utkopling av detektorkretsen (20) som anvendes for å ekstrahere et likestrømsnivå fra et tilbakevunnet lydsignal, videre er båndbredden (54) ved sløyfefiltret (26) variert i respons til skifte fra en første mottaksfrekvens til en andre mottakstrekvens for å framskaffe for begge en jevn frekvenslåstid (54) eller en rask frekvenslåsetid (54). Videre er tida (54) som detektorkretsen (20) er koplet ut tilsvarende endret.Call receiver with a synthesizer (16) for controlling the reception frequency. The call receiver further has characteristics (52, 54) which are varied in response to the reception frequency. These characteristics (52, 54) include varying the bandwidth (52) of a loop filter (26) for a phase lock loop (24, 26, 28, 30) in the synthesizer (16), as well as varying the time (52) for switching off the detector circuit (20) used to extract a direct current level from a recovered audio signal, further, the bandwidth (54) of the loop filter (26) is varied in response to switching from a first receive frequency to a second receive frequency to provide for both a uniform frequency locking time (54). or a fast frequency lock time (54). Furthermore, the time (54) for which the detector circuit (20) is switched off is changed accordingly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38845989A | 1989-08-02 | 1989-08-02 | |
| PCT/US1990/003791 WO1991002418A1 (en) | 1989-08-02 | 1990-07-09 | Synthesized selective call receiver having variable characteristics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO920428L true NO920428L (en) | 1992-02-03 |
| NO920428D0 NO920428D0 (en) | 1992-02-03 |
Family
ID=26781549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO920428A NO920428D0 (en) | 1989-08-02 | 1992-02-03 | SYNTHETIZED SELECTIVE CALL RECEIVERS WITH VARIABLE CHARACTERISTICS |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO920428D0 (en) |
-
1992
- 1992-02-03 NO NO920428A patent/NO920428D0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO920428D0 (en) | 1992-02-03 |
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