DE69024241D1 - Zeitabhängige und amplitudenveränderliche Schwellenausgangsschaltung zur frequenzabhängigen und frequenzunabhängigen Signaldiskriminierung - Google Patents

Zeitabhängige und amplitudenveränderliche Schwellenausgangsschaltung zur frequenzabhängigen und frequenzunabhängigen Signaldiskriminierung

Info

Publication number
DE69024241D1
DE69024241D1 DE69024241T DE69024241T DE69024241D1 DE 69024241 D1 DE69024241 D1 DE 69024241D1 DE 69024241 T DE69024241 T DE 69024241T DE 69024241 T DE69024241 T DE 69024241T DE 69024241 D1 DE69024241 D1 DE 69024241D1
Authority
DE
Germany
Prior art keywords
comparator
threshold
dependent
signal
frequency
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
DE69024241T
Other languages
English (en)
Other versions
DE69024241T2 (de
Inventor
Dwight D Lynn
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.)
ACS Wireless Inc
Original Assignee
ACS Wireless 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 ACS Wireless Inc filed Critical ACS Wireless Inc
Application granted granted Critical
Publication of DE69024241D1 publication Critical patent/DE69024241D1/de
Publication of DE69024241T2 publication Critical patent/DE69024241T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H03G7/005—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using discontinuously variable devices, e.g. switch-operated
DE69024241T 1989-03-02 1990-03-01 Zeitabhängige und amplitudenveränderliche Schwellenausgangsschaltung zur frequenzabhängigen und frequenzunabhängigen Signaldiskriminierung Expired - Lifetime DE69024241T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/318,073 US4928307A (en) 1989-03-02 1989-03-02 Time dependent, variable amplitude threshold output circuit for frequency variant and frequency invariant signal discrimination

Publications (2)

Publication Number Publication Date
DE69024241D1 true DE69024241D1 (de) 1996-02-01
DE69024241T2 DE69024241T2 (de) 1996-09-05

Family

ID=23236520

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024241T Expired - Lifetime DE69024241T2 (de) 1989-03-02 1990-03-01 Zeitabhängige und amplitudenveränderliche Schwellenausgangsschaltung zur frequenzabhängigen und frequenzunabhängigen Signaldiskriminierung

Country Status (6)

Country Link
US (1) US4928307A (de)
EP (1) EP0385782B1 (de)
JP (1) JP2529129B2 (de)
AT (1) ATE131983T1 (de)
CA (1) CA2009449C (de)
DE (1) DE69024241T2 (de)

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Also Published As

Publication number Publication date
DE69024241T2 (de) 1996-09-05
EP0385782A3 (de) 1992-04-01
US4928307A (en) 1990-05-22
JP2529129B2 (ja) 1996-08-28
EP0385782A2 (de) 1990-09-05
CA2009449C (en) 1994-07-12
ATE131983T1 (de) 1996-01-15
EP0385782B1 (de) 1995-12-20
CA2009449A1 (en) 1990-09-02
JPH02278945A (ja) 1990-11-15

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Representative=s name: KRAMER - BARSKE - SCHMIDTCHEN, 81245 MUENCHEN