FR2147022A1 - - Google Patents
Info
- Publication number
- FR2147022A1 FR2147022A1 FR7207906A FR7207906A FR2147022A1 FR 2147022 A1 FR2147022 A1 FR 2147022A1 FR 7207906 A FR7207906 A FR 7207906A FR 7207906 A FR7207906 A FR 7207906A FR 2147022 A1 FR2147022 A1 FR 2147022A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712137653 DE2137653B2 (en) | 1971-07-28 | 1971-07-28 | Method for transmitting data telegrams over a first radio path or voice information over a second radio path and device for carrying out the method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2147022A1 true FR2147022A1 (en) | 1973-03-09 |
| FR2147022B1 FR2147022B1 (en) | 1978-06-02 |
Family
ID=5815018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7207906A Expired FR2147022B1 (en) | 1971-07-28 | 1972-03-07 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2137653B2 (en) |
| FR (1) | FR2147022B1 (en) |
| GB (1) | GB1335006A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0111973A3 (en) * | 1982-12-18 | 1986-05-28 | Philips Kommunikations Industrie Ag | Method for monitoring an existing radio link between a fixed and a mobile radio station |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2308736C2 (en) * | 1973-02-22 | 1982-04-08 | Robert Bosch Gmbh, 7000 Stuttgart | Device for transmitting data telegrams via a first radio channel and voice information via a second radio channel |
| NL7806618A (en) * | 1978-06-20 | 1979-12-27 | Philips Nv | SATELLITE COMMUNICATION SYSTEM FOR VOICE AND TELEGRAPHY. |
| US4644347A (en) * | 1983-08-10 | 1987-02-17 | Motorola, Inc. | Multiple frequency message system |
| JP4363936B2 (en) * | 2002-09-26 | 2009-11-11 | パナソニック株式会社 | Antenna for wireless terminal device and wireless terminal device |
-
1971
- 1971-07-28 DE DE19712137653 patent/DE2137653B2/en not_active Ceased
-
1972
- 1972-03-07 FR FR7207906A patent/FR2147022B1/fr not_active Expired
- 1972-04-05 GB GB1575572A patent/GB1335006A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0111973A3 (en) * | 1982-12-18 | 1986-05-28 | Philips Kommunikations Industrie Ag | Method for monitoring an existing radio link between a fixed and a mobile radio station |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2137653B2 (en) | 1979-08-16 |
| FR2147022B1 (en) | 1978-06-02 |
| DE2137653A1 (en) | 1973-02-08 |
| GB1335006A (en) | 1973-10-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |