GB1404437A - Fm to am signal converters - Google Patents

Fm to am signal converters

Info

Publication number
GB1404437A
GB1404437A GB1225473A GB1225473A GB1404437A GB 1404437 A GB1404437 A GB 1404437A GB 1225473 A GB1225473 A GB 1225473A GB 1225473 A GB1225473 A GB 1225473A GB 1404437 A GB1404437 A GB 1404437A
Authority
GB
United Kingdom
Prior art keywords
signal
march
frequency modulated
outputs
low pass
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
Application number
GB1225473A
Other languages
English (en)
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.)
Alden Research Foundation
Original Assignee
Alden Research Foundation
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 Alden Research Foundation filed Critical Alden Research Foundation
Publication of GB1404437A publication Critical patent/GB1404437A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
    • H04N1/00283—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus
    • H04N1/00291—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus with receiver circuitry
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/50—Amplitude modulation by converting angle modulation to amplitude modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
    • H04N1/00283—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus
    • H04N1/00291—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus with receiver circuitry
    • H04N1/00294—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus with receiver circuitry for printing images at a television receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Amplitude Modulation (AREA)
  • Television Signal Processing For Recording (AREA)
  • Picture Signal Circuits (AREA)
GB1225473A 1972-03-17 1973-03-14 Fm to am signal converters Expired GB1404437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00235670A US3806833A (en) 1972-03-17 1972-03-17 Video printer and fm to am signal converter

Publications (1)

Publication Number Publication Date
GB1404437A true GB1404437A (en) 1975-08-28

Family

ID=22886462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1225473A Expired GB1404437A (en) 1972-03-17 1973-03-14 Fm to am signal converters

Country Status (4)

Country Link
US (1) US3806833A (OSRAM)
JP (1) JPS5757901B2 (OSRAM)
CA (1) CA990371A (OSRAM)
GB (1) GB1404437A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490837A (en) * 1982-08-30 1984-12-25 Motorola, Inc. AM Stereo to FM stereo converter
WO2021100435A1 (ja) * 2019-11-20 2021-05-27 ヤマハ株式会社 検出システム、演奏操作装置、電子鍵盤楽器および検出方法
CN111555996B (zh) * 2020-04-24 2020-11-17 昆明软讯科技有限公司 一种5g通讯多通道信号传输系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2347398A (en) * 1942-05-01 1944-04-25 Rca Corp Modulation system
US2624041A (en) * 1949-11-28 1952-12-30 Jr William E Evans Amplitude modulator of the outphasing type
NL237586A (OSRAM) * 1958-03-27
NL238653A (OSRAM) * 1958-04-28
FR1388796A (fr) * 1963-12-03 1965-02-12 Cft Comp Fse Television Perfectionnements aux dispositifs de conversion d'une onde modulée en fréquence
US3562673A (en) * 1968-08-16 1971-02-09 Allen Bradley Co Pulse width modulation to amplitude modulation conversion circuit which minimizes the effects of aging and temperature drift

Also Published As

Publication number Publication date
US3806833A (en) 1974-04-23
CA990371A (en) 1976-06-01
JPS5757901B2 (OSRAM) 1982-12-07
JPS506261A (OSRAM) 1975-01-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19930313