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GB2238192B - An electronic switch arrangement - Google Patents

An electronic switch arrangement

Info

Publication number
GB2238192B
GB2238192B GB8925633A GB8925633A GB2238192B GB 2238192 B GB2238192 B GB 2238192B GB 8925633 A GB8925633 A GB 8925633A GB 8925633 A GB8925633 A GB 8925633A GB 2238192 B GB2238192 B GB 2238192B
Authority
GB
United Kingdom
Prior art keywords
electronic switch
switch arrangement
arrangement
electronic
switch
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
GB8925633A
Other versions
GB8925633D0 (en
GB2238192A (en
Inventor
Richard John Walters
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8925633A priority Critical patent/GB2238192B/en
Publication of GB8925633D0 publication Critical patent/GB8925633D0/en
Publication of GB2238192A publication Critical patent/GB2238192A/en
Application granted granted Critical
Publication of GB2238192B publication Critical patent/GB2238192B/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using field-effect transistors [FET]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Electronic Switches (AREA)
GB8925633A 1989-11-13 1989-11-13 An electronic switch arrangement Expired - Fee Related GB2238192B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8925633A GB2238192B (en) 1989-11-13 1989-11-13 An electronic switch arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8925633A GB2238192B (en) 1989-11-13 1989-11-13 An electronic switch arrangement

Publications (3)

Publication Number Publication Date
GB8925633D0 GB8925633D0 (en) 1990-01-04
GB2238192A GB2238192A (en) 1991-05-22
GB2238192B true GB2238192B (en) 1994-03-30

Family

ID=10666232

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8925633A Expired - Fee Related GB2238192B (en) 1989-11-13 1989-11-13 An electronic switch arrangement

Country Status (1)

Country Link
GB (1) GB2238192B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715529B1 (en) * 1994-01-24 1996-04-12 C3Em Sa Device for automatic switching of the electro-acoustic transducer (s) of a radio receiver with the audio-frequency output of a radio telephone and installation fitted with such a device.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1405445A (en) * 1971-09-25 1975-09-10 Sony Corp Transistor circuits
GB1435323A (en) * 1972-05-10 1976-05-12 Hitachi Ltd Audio amplifiers
GB2096423A (en) * 1981-04-06 1982-10-13 Philips Nv Amplifier comprising means for avoiding direct voltage transients on the amplifier output

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1405445A (en) * 1971-09-25 1975-09-10 Sony Corp Transistor circuits
GB1435323A (en) * 1972-05-10 1976-05-12 Hitachi Ltd Audio amplifiers
GB2096423A (en) * 1981-04-06 1982-10-13 Philips Nv Amplifier comprising means for avoiding direct voltage transients on the amplifier output

Also Published As

Publication number Publication date
GB8925633D0 (en) 1990-01-04
GB2238192A (en) 1991-05-22

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Legal Events

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

Effective date: 19961113