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AU547699B2 - Telephone gain control - Google Patents
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AU547699B2 - Telephone gain control - Google Patents

Telephone gain control

Info

Publication number
AU547699B2
AU547699B2 AU86668/82A AU8666882A AU547699B2 AU 547699 B2 AU547699 B2 AU 547699B2 AU 86668/82 A AU86668/82 A AU 86668/82A AU 8666882 A AU8666882 A AU 8666882A AU 547699 B2 AU547699 B2 AU 547699B2
Authority
AU
Australia
Prior art keywords
telephone
gain control
gain
control
telephone gain
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.)
Ceased
Application number
AU86668/82A
Other versions
AU8666882A (en
Inventor
Peter Fred Blomley
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.)
STC PLC
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of AU8666882A publication Critical patent/AU8666882A/en
Application granted granted Critical
Publication of AU547699B2 publication Critical patent/AU547699B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
AU86668/82A 1981-08-06 1982-08-02 Telephone gain control Ceased AU547699B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8124128 1981-08-06
GB08124128A GB2103452B (en) 1981-08-06 1981-08-06 Tepehone subscribers apparatus

Publications (2)

Publication Number Publication Date
AU8666882A AU8666882A (en) 1983-02-10
AU547699B2 true AU547699B2 (en) 1985-10-31

Family

ID=10523759

Family Applications (1)

Application Number Title Priority Date Filing Date
AU86668/82A Ceased AU547699B2 (en) 1981-08-06 1982-08-02 Telephone gain control

Country Status (3)

Country Link
AU (1) AU547699B2 (en)
GB (1) GB2103452B (en)
ZA (1) ZA825392B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1047250A1 (en) * 1999-04-24 2000-10-25 Robert Bosch Gmbh A device for controlling the microphone output level in a telephone handset

Also Published As

Publication number Publication date
ZA825392B (en) 1983-06-29
GB2103452A (en) 1983-02-16
AU8666882A (en) 1983-02-10
GB2103452B (en) 1985-03-20

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