DE3581689D1 - Variable anhebungsschaltung. - Google Patents

Variable anhebungsschaltung.

Info

Publication number
DE3581689D1
DE3581689D1 DE8585307508T DE3581689T DE3581689D1 DE 3581689 D1 DE3581689 D1 DE 3581689D1 DE 8585307508 T DE8585307508 T DE 8585307508T DE 3581689 T DE3581689 T DE 3581689T DE 3581689 D1 DE3581689 D1 DE 3581689D1
Authority
DE
Germany
Prior art keywords
variable lift
lift circuit
circuit
variable
lift
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
DE8585307508T
Other languages
English (en)
Inventor
Masayuki C O Sony Cor Katakura
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE3581689D1 publication Critical patent/DE3581689D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression
DE8585307508T 1984-10-19 1985-10-17 Variable anhebungsschaltung. Expired - Lifetime DE3581689D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59218238A JPH063857B2 (ja) 1984-10-19 1984-10-19 可変エンフアシス回路

Publications (1)

Publication Number Publication Date
DE3581689D1 true DE3581689D1 (de) 1991-03-14

Family

ID=16716756

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585307508T Expired - Lifetime DE3581689D1 (de) 1984-10-19 1985-10-17 Variable anhebungsschaltung.

Country Status (5)

Country Link
US (1) US4629995A (de)
EP (1) EP0178936B1 (de)
JP (1) JPH063857B2 (de)
CA (1) CA1239876A (de)
DE (1) DE3581689D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4760602A (en) * 1986-10-21 1988-07-26 Rca Licensing Corporation Variable preemphasis/deemphasis network
US4764967A (en) * 1986-10-27 1988-08-16 Rca Licensing Corporation Tone control system for sampled data signals
US7340007B2 (en) * 2003-09-16 2008-03-04 M/A-Com, Inc. Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055818A (en) * 1976-04-09 1977-10-25 Motorola, Inc. Tone control circuit

Also Published As

Publication number Publication date
EP0178936B1 (de) 1991-02-06
JPS61116414A (ja) 1986-06-03
CA1239876A (en) 1988-08-02
EP0178936A3 (en) 1987-08-19
US4629995A (en) 1986-12-16
JPH063857B2 (ja) 1994-01-12
EP0178936A2 (de) 1986-04-23

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: MITSCHERLICH, H., DIPL.-ING. KOERBER, W., DIPL.-ING. DR.RER.NAT. SCHMIDT-EVERS, J., DIPL.-ING. MELZER, W., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee