GB2232290B - Relay system - Google Patents

Relay system

Info

Publication number
GB2232290B
GB2232290B GB8908144A GB8908144A GB2232290B GB 2232290 B GB2232290 B GB 2232290B GB 8908144 A GB8908144 A GB 8908144A GB 8908144 A GB8908144 A GB 8908144A GB 2232290 B GB2232290 B GB 2232290B
Authority
GB
United Kingdom
Prior art keywords
relay system
relay
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 - Fee Related
Application number
GB8908144A
Other versions
GB2232290A (en
GB8908144D0 (en
Inventor
John Laurence Wain
Barry Allen Marchini
Keith Anthony Glover
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.)
Barcrest Ltd
Original Assignee
Barcrest 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.)
Filing date
Publication date
Application filed by Barcrest Ltd filed Critical Barcrest Ltd
Priority to GB8908144A priority Critical patent/GB2232290B/en
Publication of GB8908144D0 publication Critical patent/GB8908144D0/en
Publication of GB2232290A publication Critical patent/GB2232290A/en
Application granted granted Critical
Publication of GB2232290B publication Critical patent/GB2232290B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
GB8908144A 1989-04-11 1989-04-11 Relay system Expired - Fee Related GB2232290B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8908144A GB2232290B (en) 1989-04-11 1989-04-11 Relay system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8908144A GB2232290B (en) 1989-04-11 1989-04-11 Relay system

Publications (3)

Publication Number Publication Date
GB8908144D0 GB8908144D0 (en) 1989-05-24
GB2232290A GB2232290A (en) 1990-12-05
GB2232290B true GB2232290B (en) 1994-02-23

Family

ID=10654812

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8908144A Expired - Fee Related GB2232290B (en) 1989-04-11 1989-04-11 Relay system

Country Status (1)

Country Link
GB (1) GB2232290B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927316A (en) * 1974-06-07 1975-12-16 Zenith Radio Corp Wireless speaker system using infra-red link
DE2622734A1 (en) * 1976-05-21 1977-12-01 Licentia Gmbh Electroacoustic system with LF control unit - has sound signal modulated IR lights transmitting to independently powered amplifier and loudspeaker cabinets
GB1503265A (en) * 1975-08-30 1978-03-08 Saba Gmbh Telecommunications receiver
GB1592468A (en) * 1976-12-14 1981-07-08 Demolux Verwaltungs Gmbh Apparatus for the wireless transmission of a teaching programme
DE3229405A1 (en) * 1982-08-06 1984-02-09 Werner 8000 München Janz Test instrument for testing the operability of remote-control transmitters
WO1986001326A1 (en) * 1984-08-07 1986-02-27 Justin Korn Information retrieval system and method using independent user stations
GB2170943A (en) * 1985-02-12 1986-08-13 Music Hire Group Juke box
US4621374A (en) * 1981-12-24 1986-11-04 Itt Industries, Inc. Circuit arrangement for processing, transmitting, and acoustically reproducing digitized audio-frequency signals
EP0313359A2 (en) * 1987-10-20 1989-04-26 Your Electronics Specialists Limited Programmable audio-visual reproduction apparatus
GB2210724A (en) * 1987-10-08 1989-06-14 Music Hire Group Limited Juke box

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927316A (en) * 1974-06-07 1975-12-16 Zenith Radio Corp Wireless speaker system using infra-red link
GB1503265A (en) * 1975-08-30 1978-03-08 Saba Gmbh Telecommunications receiver
DE2622734A1 (en) * 1976-05-21 1977-12-01 Licentia Gmbh Electroacoustic system with LF control unit - has sound signal modulated IR lights transmitting to independently powered amplifier and loudspeaker cabinets
GB1592468A (en) * 1976-12-14 1981-07-08 Demolux Verwaltungs Gmbh Apparatus for the wireless transmission of a teaching programme
US4621374A (en) * 1981-12-24 1986-11-04 Itt Industries, Inc. Circuit arrangement for processing, transmitting, and acoustically reproducing digitized audio-frequency signals
DE3229405A1 (en) * 1982-08-06 1984-02-09 Werner 8000 München Janz Test instrument for testing the operability of remote-control transmitters
WO1986001326A1 (en) * 1984-08-07 1986-02-27 Justin Korn Information retrieval system and method using independent user stations
GB2170943A (en) * 1985-02-12 1986-08-13 Music Hire Group Juke box
GB2210724A (en) * 1987-10-08 1989-06-14 Music Hire Group Limited Juke box
EP0313359A2 (en) * 1987-10-20 1989-04-26 Your Electronics Specialists Limited Programmable audio-visual reproduction apparatus

Also Published As

Publication number Publication date
GB2232290A (en) 1990-12-05
GB8908144D0 (en) 1989-05-24

Similar Documents

Publication Publication Date Title
HK106296A (en) Range limiting system
EP0415724A3 (en) Alignment system
EP0430587A3 (en) Relay communication system
HK1006984A1 (en) Moling system
GB2232426B (en) Framework assembly system
EP0420574A3 (en) Alignment system
GB2236423B (en) Communication system
EP0424908A3 (en) Wiring-pattern-determination system
GB9020760D0 (en) Structural system
EP0408544A3 (en) Relay
GB2239354B (en) Relay arrangements
GB2231379B (en) Construction system
GB9023778D0 (en) Lateral movement limiting system
GB2235030B (en) Modular re-shapeable system
EP0480908A3 (en) Relay
GB2232290B (en) Relay system
GB9027468D0 (en) Facing system
GB8708464D0 (en) Relay
GB8922391D0 (en) Signalling system
GB8914129D0 (en) Communication system
GB8901355D0 (en) System plus
ZM1589A1 (en) Multi-arch system
GB8905983D0 (en) Kerbing system
GR900200157U (en) System for exhibitionning
GB8913252D0 (en) Construction system

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970411