NL175009C - Frequentiediscriminator. - Google Patents

Frequentiediscriminator.

Info

Publication number
NL175009C
NL175009C NLAANVRAGE7111002,A NL7111002A NL175009C NL 175009 C NL175009 C NL 175009C NL 7111002 A NL7111002 A NL 7111002A NL 175009 C NL175009 C NL 175009C
Authority
NL
Netherlands
Prior art keywords
frequency discriminator
discriminator
frequency
Prior art date
Application number
NLAANVRAGE7111002,A
Other languages
English (en)
Other versions
NL175009B (nl
NL7111002A (nl
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of NL7111002A publication Critical patent/NL7111002A/xx
Publication of NL175009B publication Critical patent/NL175009B/nl
Application granted granted Critical
Publication of NL175009C publication Critical patent/NL175009C/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/16—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of electromechanical resonators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
NLAANVRAGE7111002,A 1970-08-12 1971-08-10 Frequentiediscriminator. NL175009C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6319070A 1970-08-12 1970-08-12

Publications (3)

Publication Number Publication Date
NL7111002A NL7111002A (nl) 1972-02-15
NL175009B NL175009B (nl) 1984-04-02
NL175009C true NL175009C (nl) 1984-09-03

Family

ID=22047561

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7111002,A NL175009C (nl) 1970-08-12 1971-08-10 Frequentiediscriminator.

Country Status (6)

Country Link
US (1) US3750027A (nl)
JP (1) JPS5619124B1 (nl)
DE (1) DE2139676C2 (nl)
FR (1) FR2102205B1 (nl)
GB (1) GB1355392A (nl)
NL (1) NL175009C (nl)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2167405B1 (nl) * 1972-01-14 1976-06-11 Thomson Csf
US3872410A (en) * 1972-12-04 1975-03-18 Gte Laboratories Inc Surface wave filter for tv if stage
US3843932A (en) * 1973-11-14 1974-10-22 Gte Sylvania Inc Wide band frequency modulation detector
DE2454498A1 (de) * 1973-11-19 1975-05-22 Gte Sylvania Inc Oberflaechenwellen-frequenzdiskriminator
US3868608A (en) * 1974-04-01 1975-02-25 Gte Sylvania Inc Surface wave filter
US3934207A (en) * 1974-10-21 1976-01-20 Gte Sylvania Incorporated Frequency discriminator utilizing surface wave devices
US3936764A (en) * 1974-10-21 1976-02-03 Gte Sylvania Incorporated Frequency discriminator utilizing surface wave devices
US3942140A (en) * 1974-11-08 1976-03-02 The United States Of America As Represented By The Secretary Of The Air Force Method and means for coupling a multiplicity of surface acoustic wave transducers to a single electromagnetic wave transmission line
US3949324A (en) * 1974-11-11 1976-04-06 Texas Instruments Incorporated Surface wave device angle modulator
US3961288A (en) * 1975-04-28 1976-06-01 Ncr Corporation Double sideband suppressed carrier modulator using surface wave device
FR2312881A1 (fr) * 1975-05-29 1976-12-24 Goff Jeannine Le Demodulateurs differentiels a dispositifs a ondes elastiques de surface
JPS58154917A (ja) * 1982-03-10 1983-09-14 Hitachi Ltd 弾性表面波バンドパスフイルタ
JPS598417A (ja) * 1982-07-06 1984-01-17 Clarion Co Ltd 弾性表面波装置
KR890004157B1 (ko) * 1987-06-24 1989-10-21 삼성전자 주식회사 탄성표면파 지연선을 이용한 fm복조기 구성방식
KR900008524B1 (ko) * 1987-08-19 1990-11-24 삼성전자 주식회사 위성수신기의 지대지간섭 제거를 위한 탄성표면파 필터
US5365207A (en) * 1992-12-31 1994-11-15 Motorola, Inc. Multi-bandwidth saw filter
GB2280806B (en) * 1993-08-04 1997-10-08 Advanced Saw Prod Sa Saw filter
EP1407547A4 (en) 2000-02-02 2004-04-14 Univ Rutgers PROGRAMMABLE SURFACE WAVE FILTER (SAW FILTER)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2312079A (en) * 1940-09-06 1943-02-23 Rca Corp Frequency control
US3446975A (en) * 1966-11-07 1969-05-27 Zenith Radio Corp Acousto-electric filter utilizing surface wave propagation in which the center frequency is determined by a conductivity pattern resulting from an optical image
US3461408A (en) * 1967-02-09 1969-08-12 Bell Telephone Labor Inc Oriented litao3 crystal and devices using same
SE333170B (sv) * 1967-08-04 1971-03-08 Western Electric Co Frekvensdiskriminator
SE328352B (nl) * 1967-09-11 1970-09-14 Ericsson Telefon Ab L M
US3487318A (en) * 1967-11-08 1969-12-30 Motorola Inc Mode coupled discriminator
US3571713A (en) * 1968-05-27 1971-03-23 James D Zachary Low frequency wide band fm demodulators

Also Published As

Publication number Publication date
GB1355392A (en) 1974-06-05
DE2139676A1 (de) 1972-02-17
NL175009B (nl) 1984-04-02
US3750027A (en) 1973-07-31
FR2102205A1 (nl) 1972-04-07
JPS5619124B1 (nl) 1981-05-06
DE2139676C2 (de) 1983-11-10
NL7111002A (nl) 1972-02-15
FR2102205B1 (nl) 1976-05-28

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Legal Events

Date Code Title Description
V4 Lapsed because of reaching the maximum lifetime of a patent