GB2219909B - Microphone actuation control system suitable for teleconference systems - Google Patents

Microphone actuation control system suitable for teleconference systems

Info

Publication number
GB2219909B
GB2219909B GB8900075A GB8900075A GB2219909B GB 2219909 B GB2219909 B GB 2219909B GB 8900075 A GB8900075 A GB 8900075A GB 8900075 A GB8900075 A GB 8900075A GB 2219909 B GB2219909 B GB 2219909B
Authority
GB
United Kingdom
Prior art keywords
control system
system suitable
actuation control
teleconference systems
microphone
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 - Lifetime
Application number
GB8900075A
Other versions
GB8900075D0 (en
GB2219909A (en
Inventor
Stephen D Julstrom
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.)
Shure Inc
Original Assignee
Shure Brothers Inc
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 Shure Brothers Inc filed Critical Shure Brothers Inc
Priority to GB8900075A priority Critical patent/GB2219909B/en
Publication of GB8900075D0 publication Critical patent/GB8900075D0/en
Publication of GB2219909A publication Critical patent/GB2219909A/en
Application granted granted Critical
Publication of GB2219909B publication Critical patent/GB2219909B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H04M3/569—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants using the instant speaker's algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB8900075A 1985-04-19 1989-01-03 Microphone actuation control system suitable for teleconference systems Expired - Lifetime GB2219909B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8900075A GB2219909B (en) 1985-04-19 1989-01-03 Microphone actuation control system suitable for teleconference systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72530285A 1985-04-19 1985-04-19
GB8900075A GB2219909B (en) 1985-04-19 1989-01-03 Microphone actuation control system suitable for teleconference systems

Publications (3)

Publication Number Publication Date
GB8900075D0 GB8900075D0 (en) 1989-03-01
GB2219909A GB2219909A (en) 1989-12-20
GB2219909B true GB2219909B (en) 1990-05-16

Family

ID=26294797

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8900075A Expired - Lifetime GB2219909B (en) 1985-04-19 1989-01-03 Microphone actuation control system suitable for teleconference systems

Country Status (1)

Country Link
GB (1) GB2219909B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2146688A1 (en) * 1994-05-04 1995-11-05 Gregory Ciurpita Jr. Microphone/loudspeakers and systems using multiple microphone/loudspeakers

Also Published As

Publication number Publication date
GB8900075D0 (en) 1989-03-01
GB2219909A (en) 1989-12-20

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20060319