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GB2253763B - Audio arrangements for personal receivers - Google Patents

Audio arrangements for personal receivers

Info

Publication number
GB2253763B
GB2253763B GB9105238A GB9105238A GB2253763B GB 2253763 B GB2253763 B GB 2253763B GB 9105238 A GB9105238 A GB 9105238A GB 9105238 A GB9105238 A GB 9105238A GB 2253763 B GB2253763 B GB 2253763B
Authority
GB
United Kingdom
Prior art keywords
personal receivers
arrangements
audio
audio arrangements
receivers
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
GB9105238A
Other versions
GB2253763A (en
GB9105238D0 (en
Inventor
Julian Vittorio Torselli
Kevin Neil Ravenhill
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.)
Multitone Electronics PLC
Original Assignee
Multitone Electronics PLC
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 Multitone Electronics PLC filed Critical Multitone Electronics PLC
Priority to GB9105238A priority Critical patent/GB2253763B/en
Publication of GB9105238D0 publication Critical patent/GB9105238D0/en
Publication of GB2253763A publication Critical patent/GB2253763A/en
Application granted granted Critical
Publication of GB2253763B publication Critical patent/GB2253763B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9105238A 1991-03-12 1991-03-12 Audio arrangements for personal receivers Expired - Fee Related GB2253763B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9105238A GB2253763B (en) 1991-03-12 1991-03-12 Audio arrangements for personal receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9105238A GB2253763B (en) 1991-03-12 1991-03-12 Audio arrangements for personal receivers

Publications (3)

Publication Number Publication Date
GB9105238D0 GB9105238D0 (en) 1991-04-24
GB2253763A GB2253763A (en) 1992-09-16
GB2253763B true GB2253763B (en) 1995-03-01

Family

ID=10691449

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9105238A Expired - Fee Related GB2253763B (en) 1991-03-12 1991-03-12 Audio arrangements for personal receivers

Country Status (1)

Country Link
GB (1) GB2253763B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1158846A (en) * 1966-09-21 1969-07-23 Herbert Montague Harris Improvements in or relating to Hearing Aids
US3899742A (en) * 1974-03-20 1975-08-12 Beltone Electronics Corp Amplifier apparatus having combined DC and AC degenerative feedback
US3941933A (en) * 1974-08-20 1976-03-02 Jab Company, Inc. Paging intercommunication system
US4371842A (en) * 1980-10-24 1983-02-01 Sperry Corporation Self-adjusting dual mode automatic gain control circuit
GB2189967A (en) * 1986-04-09 1987-11-04 David Clifford Lane Loudspeaker
GB2225187A (en) * 1988-11-18 1990-05-23 Mitel Corp Agc circuit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1158846A (en) * 1966-09-21 1969-07-23 Herbert Montague Harris Improvements in or relating to Hearing Aids
US3899742A (en) * 1974-03-20 1975-08-12 Beltone Electronics Corp Amplifier apparatus having combined DC and AC degenerative feedback
US3941933A (en) * 1974-08-20 1976-03-02 Jab Company, Inc. Paging intercommunication system
US4371842A (en) * 1980-10-24 1983-02-01 Sperry Corporation Self-adjusting dual mode automatic gain control circuit
GB2189967A (en) * 1986-04-09 1987-11-04 David Clifford Lane Loudspeaker
GB2225187A (en) * 1988-11-18 1990-05-23 Mitel Corp Agc circuit
US4933647A (en) * 1988-11-18 1990-06-12 Mitel Corporation AGC circuit

Also Published As

Publication number Publication date
GB2253763A (en) 1992-09-16
GB9105238D0 (en) 1991-04-24

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Legal Events

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

Effective date: 20100312