GB1276941A - Radiotelephonic system - Google Patents

Radiotelephonic system

Info

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
Application number
GB04112/70A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1276941A publication Critical patent/GB1276941A/en
Expired legal-status Critical Current

Links

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)
GB04112/70A 1969-04-02 1970-03-24 Radiotelephonic system Expired GB1276941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6910036A FR2044847A5 (US06521211-20030218-C00004.png) 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 (US06521211-20030218-C00004.png)
CH (1) CH522994A (US06521211-20030218-C00004.png)
DE (1) DE2015198C3 (US06521211-20030218-C00004.png)
ES (1) ES378171A1 (US06521211-20030218-C00004.png)
FR (1) FR2044847A5 (US06521211-20030218-C00004.png)
GB (1) GB1276941A (US06521211-20030218-C00004.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (9)

* Cited by examiner, † Cited by third party
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
US4409687A (en) * 1978-10-30 1983-10-11 General Electric Company Arrangement and method for establishing radio communication in a system
AU533404B2 (en) * 1978-10-30 1983-11-24 General Electric Company Radio communication system and method
US4360927A (en) * 1979-03-12 1982-11-23 General Electric Company Repeater trunking system
JPS56116341A (en) * 1980-02-19 1981-09-12 Nec Corp Radio channel switching system in communication
US4347625A (en) * 1980-06-16 1982-08-31 General Electric Company Arrangement for cellular operation of a repeater trunking system
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)

* Cited by examiner, † Cited by third party
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 (US06521211-20030218-C00004.png) * 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 (US06521211-20030218-C00004.png) * 1967-06-16 1968-09-27

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2044847A5 (US06521211-20030218-C00004.png) 1971-02-26
ES378171A1 (es) 1972-05-16
US3707679A (en) 1972-12-26
DE2015198C3 (de) 1981-05-27
CH522994A (fr) 1972-05-15
DE2015198A1 (de) 1970-11-05
DE2015198B2 (de) 1977-06-30

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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