DE2308634C3 - Tonkodiertes Rufsystem - Google Patents
Tonkodiertes RufsystemInfo
- Publication number
- DE2308634C3 DE2308634C3 DE2308634A DE2308634A DE2308634C3 DE 2308634 C3 DE2308634 C3 DE 2308634C3 DE 2308634 A DE2308634 A DE 2308634A DE 2308634 A DE2308634 A DE 2308634A DE 2308634 C3 DE2308634 C3 DE 2308634C3
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- signals
- square wave
- tone
- frequency signals
- Prior art date
- 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
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 5
- 230000002238 attenuated effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/18—Service support devices; Network management devices
- H04W88/185—Selective call encoders for paging networks, e.g. paging centre devices
- H04W88/188—Selective call encoders for paging networks, e.g. paging centre devices using frequency address codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22774772A | 1972-02-22 | 1972-02-22 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2308634A1 DE2308634A1 (de) | 1973-08-30 |
| DE2308634B2 DE2308634B2 (de) | 1975-02-27 |
| DE2308634C3 true DE2308634C3 (de) | 1975-10-02 |
Family
ID=22854290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2308634A Expired DE2308634C3 (de) | 1972-02-22 | 1973-02-21 | Tonkodiertes Rufsystem |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3731200A (OSRAM) |
| JP (1) | JPS5241087B2 (OSRAM) |
| AR (1) | AR197803A1 (OSRAM) |
| AU (1) | AU442060B2 (OSRAM) |
| CA (1) | CA978261A (OSRAM) |
| DE (1) | DE2308634C3 (OSRAM) |
| GB (1) | GB1373748A (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2538309C3 (de) * | 1975-08-28 | 1982-12-02 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und Anordnung zur gemischten Übertragung von Sprache und Daten auf einem NF-Kanal |
| US4103238A (en) * | 1976-11-26 | 1978-07-25 | The Alliance Manufacturing Company | Transmitter modulated with three modulation patterns |
| US4471352A (en) * | 1981-04-01 | 1984-09-11 | Midian Electronics, Inc. | Programmable paging encoder |
| US4701758A (en) * | 1983-08-05 | 1987-10-20 | Motorola, Inc. | Individual simulcast transmitter remote control system encoder |
| US4984290A (en) * | 1988-08-04 | 1991-01-08 | Motorola, Inc. | Method of controlling communications in a cellular radiotelephone system |
| JP2006262434A (ja) * | 2005-02-17 | 2006-09-28 | Mitsubishi Electric Corp | 配電線搬送伝送装置 |
| US7933565B2 (en) * | 2006-07-14 | 2011-04-26 | Qualcomm, Incorporated | Transformer coupling of antennas |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3377435A (en) * | 1964-04-30 | 1968-04-09 | Itt | Land-to-mobile telephone link |
-
1972
- 1972-02-22 US US00227747A patent/US3731200A/en not_active Expired - Lifetime
-
1973
- 1973-01-30 CA CA162,373A patent/CA978261A/en not_active Expired
- 1973-02-05 GB GB564773A patent/GB1373748A/en not_active Expired
- 1973-02-13 AR AR246576A patent/AR197803A1/es active
- 1973-02-14 AU AU52159/73A patent/AU442060B2/en not_active Expired
- 1973-02-21 DE DE2308634A patent/DE2308634C3/de not_active Expired
- 1973-02-22 JP JP48020783A patent/JPS5241087B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1373748A (en) | 1974-11-13 |
| AU442060B2 (en) | 1973-11-15 |
| AR197803A1 (es) | 1974-05-10 |
| DE2308634A1 (de) | 1973-08-30 |
| AU5215973A (en) | 1973-11-15 |
| CA978261A (en) | 1975-11-18 |
| JPS4898702A (OSRAM) | 1973-12-14 |
| DE2308634B2 (de) | 1975-02-27 |
| JPS5241087B2 (OSRAM) | 1977-10-17 |
| US3731200A (en) | 1973-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |