GB1540570A

GB1540570A – Radio transmission systems
– Google Patents

GB1540570A – Radio transmission systems
– Google Patents
Radio transmission systems

Info

Publication number
GB1540570A

GB1540570A
GB37729/77A
GB3772977A
GB1540570A
GB 1540570 A
GB1540570 A
GB 1540570A
GB 37729/77 A
GB37729/77 A
GB 37729/77A
GB 3772977 A
GB3772977 A
GB 3772977A
GB 1540570 A
GB1540570 A
GB 1540570A
Authority
GB
United Kingdom
Prior art keywords
radio transmission
transmission systems
systems
radio
transmission
Prior art date
1977-09-09
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
GB37729/77A
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.)

Philips Electronics UK Ltd

Original Assignee
Philips Electronic and Associated Industries Ltd
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.)
1977-09-09
Filing date
1977-09-09
Publication date
1979-02-14

1977-09-09
Application filed by Philips Electronic and Associated Industries Ltd
filed
Critical
Philips Electronic and Associated Industries Ltd

1977-09-09
Priority to GB37729/77A
priority
Critical
patent/GB1540570A/en

1978-08-30
Priority to US05/938,046
priority
patent/US4232392A/en

1978-09-06
Priority to FR7825638A
priority
patent/FR2402974A1/en

1978-09-08
Priority to DE19782839197
priority
patent/DE2839197A1/en

1978-09-08
Priority to JP10986978A
priority
patent/JPS5450202A/en

1979-02-14
Publication of GB1540570A
publication
Critical
patent/GB1540570A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

H—ELECTRICITY

H04—ELECTRIC COMMUNICATION TECHNIQUE

H04B—TRANSMISSION

H04B7/00—Radio transmission systems, i.e. using radiation field

H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas

H—ELECTRICITY

H04—ELECTRIC COMMUNICATION TECHNIQUE

H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

H04L1/00—Arrangements for detecting or preventing errors in the information received

H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception

H—ELECTRICITY

H04—ELECTRIC COMMUNICATION TECHNIQUE

H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

H04L1/00—Arrangements for detecting or preventing errors in the information received

H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system

H—ELECTRICITY

H04—ELECTRIC COMMUNICATION TECHNIQUE

H04W—WIRELESS COMMUNICATION NETWORKS

H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes

H04W52/04—TPC

H04W52/38—TPC being performed in particular situations

H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

GB37729/77A
1977-09-09
1977-09-09
Radio transmission systems

Expired

GB1540570A
(en)

Priority Applications (5)

Application Number
Priority Date
Filing Date
Title

GB37729/77A

GB1540570A
(en)

1977-09-09
1977-09-09
Radio transmission systems

US05/938,046

US4232392A
(en)

1977-09-09
1978-08-30
Radio transmission systems

FR7825638A

FR2402974A1
(en)

1977-09-09
1978-09-06

RADIOPHONIC SYSTEM

DE19782839197

DE2839197A1
(en)

1977-09-09
1978-09-08

RADIO TRANSMISSION SYSTEM

JP10986978A

JPS5450202A
(en)

1977-09-09
1978-09-08
Radio transmission system

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

GB37729/77A

GB1540570A
(en)

1977-09-09
1977-09-09
Radio transmission systems

Publications (1)

Publication Number
Publication Date

GB1540570A
true

GB1540570A
(en)

1979-02-14

Family
ID=10398625
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB37729/77A
Expired

GB1540570A
(en)

1977-09-09
1977-09-09
Radio transmission systems

Country Status (5)

Country
Link

US
(1)

US4232392A
(en)

JP
(1)

JPS5450202A
(en)

DE
(1)

DE2839197A1
(en)

FR
(1)

FR2402974A1
(en)

GB
(1)

GB1540570A
(en)

Cited By (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

GB2394864A
(en)

*

2002-10-04
2004-05-05
Ip Access Ltd
Cellular radio telecommunication system

Families Citing this family (13)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US4577332A
(en)

*

1983-03-14
1986-03-18
General Electric Company
Digital decoding arrangement

US4639914A
(en)

*

1984-12-06
1987-01-27
At&T Bell Laboratories
Wireless PBX/LAN system with optimum combining

US4614945A
(en)

*

1985-02-20
1986-09-30
Diversified Energies, Inc.
Automatic/remote RF instrument reading method and apparatus

US4896371A
(en)

*

1987-11-20
1990-01-23
Kahn Leonard R
Synchronous AM transmission system having reduced self interference effects

JPH02241235A
(en)

*

1989-03-15
1990-09-25
Toshiba Corp
Radio telephone system

US5239671A
(en)

*

1990-11-13
1993-08-24
Pagemart, Inc.
Simulcast satellite paging system with provision for signal interruption

US5983112A
(en)

*

1990-12-06
1999-11-09
Hughes Electronics Corporation
Frequency, time and power level diversity system for digital radio telephony

US7110520B1
(en)

1994-04-28
2006-09-19
Metro One Telecommunications, Inc.
Method and system for directory assistance services

US5873032A
(en)

*

1994-04-28
1999-02-16
Metro One Telecommunications, Inc.
Method and system for providing directory assistance services during attempt to complete customer or after call termination via an alphanumeric page

US5913172A
(en)

*

1996-11-15
1999-06-15
Glenayre Electronics, Inc.
Method and apparatus for reducing phase cancellation in a simulcast paging system

US7706743B1
(en)

2005-11-21
2010-04-27
Michael David Moore
Low power radio device for providing access to aircraft communications (or other specialized communications) to the general public via commercial radio bands and receivers

KR102501864B1
(en)

*

2016-01-05
2023-02-22
한국전자통신연구원
Apparatus for transmitting broadcasting signal using transmitter identification scaled by 4-bit injection level code and method using the same

WO2017119713A1
(en)

2016-01-05
2017-07-13
한국전자통신연구원
Broadcast signal transmission apparatus using transmission identifier scaled with 4-bit injection level code and method using same

Family Cites Families (5)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US1806666A
(en)

*

1931-05-26

Radio broadcasting system

NL27565C
(en)

*

1928-01-26

US1988275A
(en)

*

1930-09-13
1935-01-15
Lorenz C Ag
Equal wavelength broadcasting

NL168973C
(en)

*

1972-11-23
1982-05-17
Philips Nv

BROADCASTING SYSTEM.

US4051438A
(en)

*

1975-09-11
1977-09-27
International Telephone And Telegraph Corporation
Co-channel multiple signal broadcasting system

1977

1977-09-09
GB
GB37729/77A
patent/GB1540570A/en
not_active
Expired

1978

1978-08-30
US
US05/938,046
patent/US4232392A/en
not_active
Expired – Lifetime

1978-09-06
FR
FR7825638A
patent/FR2402974A1/en
not_active
Withdrawn

1978-09-08
JP
JP10986978A
patent/JPS5450202A/en
active
Pending

1978-09-08
DE
DE19782839197
patent/DE2839197A1/en
not_active
Withdrawn

Cited By (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

GB2394864A
(en)

*

2002-10-04
2004-05-05
Ip Access Ltd
Cellular radio telecommunication system

Also Published As

Publication number
Publication date

FR2402974A1
(en)

1979-04-06

US4232392A
(en)

1980-11-04

JPS5450202A
(en)

1979-04-20

DE2839197A1
(en)

1979-03-29

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Receiver

Legal Events

Date
Code
Title
Description

1979-05-16
PS
Patent sealed [section 19, patents act 1949]

1994-05-04
PCNP
Patent ceased through non-payment of renewal fee

Effective date:
19930909

Download PDF in English

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