CA2019000C - Radiotelephone utilisable dans des systemes telephoniques cellulaires differents - Google Patents
Radiotelephone utilisable dans des systemes telephoniques cellulaires differentsInfo
- Publication number
- CA2019000C CA2019000C CA002019000A CA2019000A CA2019000C CA 2019000 C CA2019000 C CA 2019000C CA 002019000 A CA002019000 A CA 002019000A CA 2019000 A CA2019000 A CA 2019000A CA 2019000 C CA2019000 C CA 2019000C
- Authority
- CA
- Canada
- Prior art keywords
- cellular telephone
- cellular
- telephone system
- switching
- call 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 - Lifetime
Links
- 230000001413 cellular effect Effects 0.000 title claims abstract description 255
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims 19
- 230000009977 dual effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 18
- 230000004044 response Effects 0.000 description 13
- 230000011664 signaling Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000012545 processing Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000004913 activation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 241000950314 Figura Species 0.000 description 1
- 102000003800 Selectins Human genes 0.000 description 1
- 108090000184 Selectins Proteins 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- AAEVYOVXGOFMJO-UHFFFAOYSA-N prometryn Chemical compound CSC1=NC(NC(C)C)=NC(NC(C)C)=N1 AAEVYOVXGOFMJO-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37067589A | 1989-06-23 | 1989-06-23 | |
| US07/511,882 US5008925A (en) | 1989-12-20 | 1990-04-20 | Cellular telephone responsive to service availability for operating on different cellular telephone systems |
| US511,882 | 1990-04-20 | ||
| US370,675 | 1995-01-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2019000A1 CA2019000A1 (fr) | 1990-12-23 |
| CA2019000C true CA2019000C (fr) | 1993-06-22 |
Family
ID=27005048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002019000A Expired - Lifetime CA2019000C (fr) | 1989-06-23 | 1990-06-14 | Radiotelephone utilisable dans des systemes telephoniques cellulaires differents |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2699617B2 (fr) |
| CA (1) | CA2019000C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6606485B1 (en) | 1999-10-06 | 2003-08-12 | Qualcomm, Incorporated | Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58151136A (ja) * | 1982-03-04 | 1983-09-08 | Nec Corp | 移動無線通信方式 |
-
1990
- 1990-06-14 CA CA002019000A patent/CA2019000C/fr not_active Expired - Lifetime
- 1990-06-22 JP JP2162986A patent/JP2699617B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2019000A1 (fr) | 1990-12-23 |
| JPH0335628A (ja) | 1991-02-15 |
| JP2699617B2 (ja) | 1998-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5008925A (en) | Cellular telephone responsive to service availability for operating on different cellular telephone systems | |
| US5020092A (en) | Dual-bandwidth cellular telephone | |
| US4972455A (en) | Dual-bandwidth cellular telephone | |
| US5020093A (en) | Cellular telephone operable on different cellular telephone systems | |
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| EP0283955B1 (fr) | Dispositif pour la sélection d'un canal de service dans un système de communication mobile | |
| US5444765A (en) | Radio telephone apparatus having a service area confirmation | |
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| US4823373A (en) | Line switching control system for mobile communication | |
| US6532369B1 (en) | System and method for mobile controlled direct mode wireless local calling | |
| JPH0522221A (ja) | 無線通信装置 | |
| JPH1169434A (ja) | 移動体通信装置 | |
| JPH11289278A (ja) | 携帯無線端末装置 | |
| CA2019000C (fr) | Radiotelephone utilisable dans des systemes telephoniques cellulaires differents | |
| CA2016333C (fr) | Radiotelephone pouvant etre utilise dans des systemes telephoniques cellulaires differents | |
| JP2001112039A (ja) | 移動無線端末 | |
| KR100275388B1 (ko) | 셀룰러 무선통신 단말기의 불법 사용 방지방법 | |
| JPH11150750A (ja) | 無線通信端末機とこれを用いた無線通信方法 | |
| JPH01171333A (ja) | 無線電話機 | |
| KR0129617B1 (ko) | 이동전화 단말기의 전력 제어 장치 및 방법 | |
| KR100240471B1 (ko) | 간이가정용 기지국 | |
| KR100267863B1 (ko) | 무선호출기를가지는디지탈무선전화기에서음성메시지확인방법. | |
| JP2965801B2 (ja) | 無線通信システム及び無線通信システムにおける移動機 | |
| JPH08125601A (ja) | デュアルモード無線通信装置 | |
| HK1003556A (en) | Bimodal portable telephone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20100614 |