GB1276941A - Radiotelephonic system - Google Patents
Radiotelephonic systemInfo
- Publication number
- GB1276941A GB1276941A GB04112/70A GB1411270A GB1276941A GB 1276941 A GB1276941 A GB 1276941A GB 04112/70 A GB04112/70 A GB 04112/70A GB 1411270 A GB1411270 A GB 1411270A GB 1276941 A GB1276941 A GB 1276941A
- Authority
- GB
- United Kingdom
- Prior art keywords
- channel
- relay
- frequency
- signal
- transmitter
- 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 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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 |
|---|---|---|---|
| FR6910036A FR2044847A5 (enExample) | 1969-04-02 | 1969-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1276941A true GB1276941A (en) | 1972-06-07 |
Family
ID=9031791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB04112/70A Expired GB1276941A (en) | 1969-04-02 | 1970-03-24 | Radiotelephonic system |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3707679A (enExample) |
| CH (1) | CH522994A (enExample) |
| DE (1) | DE2015198C3 (enExample) |
| ES (1) | ES378171A1 (enExample) |
| FR (1) | FR2044847A5 (enExample) |
| GB (1) | GB1276941A (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4347625A (en) | 1980-06-16 | 1982-08-31 | General Electric Company | Arrangement for cellular operation of a repeater trunking system |
| US4360927A (en) | 1979-03-12 | 1982-11-23 | General Electric Company | Repeater trunking system |
| US4409687A (en) | 1978-10-30 | 1983-10-11 | General Electric Company | Arrangement and method for establishing radio communication in a system |
| US4649567A (en) * | 1985-04-22 | 1987-03-10 | General Electric Company | Dispatch overdialing for inter-group and other added calling/called access to communications channels in a trunked radio communications system |
| US4682367A (en) * | 1985-11-13 | 1987-07-21 | General Electric Company | Mobile radio communications system with join feature |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2340136C1 (de) * | 1973-08-08 | 1978-04-27 | Siemens Ag | Funkuebertragungssystem |
| US4013958A (en) * | 1975-10-14 | 1977-03-22 | The Magnavox Company | Sampled communication system |
| AU533404B2 (en) * | 1978-10-30 | 1983-11-24 | General Electric Company | Radio communication system and method |
| JPS56116341A (en) * | 1980-02-19 | 1981-09-12 | Nec Corp | Radio channel switching system in communication |
| US6897773B2 (en) * | 2002-01-25 | 2005-05-24 | Alfred Dennis Ridley | Computer powered wire(less) ultra-intelligent real-time monitor |
| US8092251B2 (en) * | 2007-12-29 | 2012-01-10 | Apple Inc. | Active electronic media device packaging |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2803744A (en) * | 1953-08-14 | 1957-08-20 | Bell Telephone Labor Inc | Radiant energy signaling system |
| US2848545A (en) * | 1955-09-27 | 1958-08-19 | Bell Telephone Labor Inc | Radiant energy signaling system |
| BE625528A (enExample) * | 1961-12-01 | |||
| US3387212A (en) * | 1964-06-09 | 1968-06-04 | Mu Western Electronics Co Inc | Mobile radio paging system wherein the receivers are all made operative for a brief interval following a transmitted tone burst |
| FR1462279A (fr) * | 1965-09-21 | 1966-04-15 | Cit Alcatel | Liaisons radio à fréquences porteuses aléatoires |
| FR1497524A (fr) * | 1966-05-26 | 1967-10-13 | Materiel Telephonique | Réseau radiotéléphonique mobile automatique |
| FR1540400A (enExample) * | 1967-06-16 | 1968-09-27 |
-
1969
- 1969-04-02 FR FR6910036A patent/FR2044847A5/fr not_active Expired
-
1970
- 1970-03-24 GB GB04112/70A patent/GB1276941A/en not_active Expired
- 1970-03-28 DE DE2015198A patent/DE2015198C3/de not_active Expired
- 1970-03-31 CH CH472270A patent/CH522994A/fr not_active IP Right Cessation
- 1970-03-31 US US24116A patent/US3707679A/en not_active Expired - Lifetime
- 1970-04-02 ES ES378171A patent/ES378171A1/es not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409687A (en) | 1978-10-30 | 1983-10-11 | General Electric Company | Arrangement and method for establishing radio communication in a system |
| US4360927A (en) | 1979-03-12 | 1982-11-23 | General Electric Company | Repeater trunking system |
| US4347625A (en) | 1980-06-16 | 1982-08-31 | General Electric Company | Arrangement for cellular operation of a repeater trunking system |
| US4649567A (en) * | 1985-04-22 | 1987-03-10 | General Electric Company | Dispatch overdialing for inter-group and other added calling/called access to communications channels in a trunked radio communications system |
| US4682367A (en) * | 1985-11-13 | 1987-07-21 | General Electric Company | Mobile radio communications system with join feature |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2015198B2 (de) | 1977-06-30 |
| DE2015198A1 (de) | 1970-11-05 |
| US3707679A (en) | 1972-12-26 |
| ES378171A1 (es) | 1972-05-16 |
| DE2015198C3 (de) | 1981-05-27 |
| FR2044847A5 (enExample) | 1971-02-26 |
| CH522994A (fr) | 1972-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
| PCNP | Patent ceased through non-payment of renewal fee |