GB1013021A - Improvements in or relating to tuning indication circuits for am/fm receivers - Google Patents

Improvements in or relating to tuning indication circuits for am/fm receivers

Info

Publication number
GB1013021A
GB1013021A GB1194/63A GB119463A GB1013021A GB 1013021 A GB1013021 A GB 1013021A GB 1194/63 A GB1194/63 A GB 1194/63A GB 119463 A GB119463 A GB 119463A GB 1013021 A GB1013021 A GB 1013021A
Authority
GB
United Kingdom
Prior art keywords
current
reception
meter
maximum
ratio detector
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
GB1194/63A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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
Priority claimed from DE1962N0021875 external-priority patent/DE1276757B/de
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1013021A publication Critical patent/GB1013021A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00Continuous tuning
    • H03J3/02Details
    • H03J3/12Electrically-operated arrangements for indicating correct tuning
    • H03J3/14Visual indication, e.g. magic eye

Landscapes

  • Circuits Of Receivers In General (AREA)
GB1194/63A 1962-01-13 1963-01-10 Improvements in or relating to tuning indication circuits for am/fm receivers Expired GB1013021A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEN0021063 1962-01-13
DE1962N0021875 DE1276757B (de) 1962-07-20 1962-07-20 Schaltungsanordnung zur Abstimmanzeige mittels eines Stromanzeigeinstruments

Publications (1)

Publication Number Publication Date
GB1013021A true GB1013021A (en) 1965-12-15

Family

ID=25988792

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1194/63A Expired GB1013021A (en) 1962-01-13 1963-01-10 Improvements in or relating to tuning indication circuits for am/fm receivers

Country Status (7)

Country Link
US (1) US3249872A (en, 2012)
BE (1) BE627038A (en, 2012)
DK (1) DK107039C (en, 2012)
GB (1) GB1013021A (en, 2012)
NL (1) NL287561A (en, 2012)
NO (1) NO115669B (en, 2012)
SE (1) SE305234B (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365669A (en) * 1962-12-22 1968-01-23 Hitachi Ltd Lamp tuning indicator for transistor radio
US3679979A (en) * 1969-06-26 1972-07-25 Sarkes Tarzian Am, fm, and fm stereo tuner having simplified am to fm switching means

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR805227A (fr) * 1935-05-08 1936-11-14 Telefunken Gmbh Perfectionnements aux montages indicateurs optiques de l'accord dans les amplificateurs ou récepteurs d'oscillations électriques
US3090918A (en) * 1958-10-09 1963-05-21 Mcintosh Lab Inc Fm-am receiver

Also Published As

Publication number Publication date
DK107039C (da) 1967-04-17
SE305234B (en, 2012) 1968-10-21
NO115669B (en, 2012) 1968-11-11
NL287561A (en, 2012)
US3249872A (en) 1966-05-03
BE627038A (en, 2012)

Similar Documents

Publication Publication Date Title
US2454807A (en) Control circuits
GB602846A (en) Improvements in frequency or phase modulation detectors
US2640939A (en) Phase detector
GB1357860A (en) Tuning indicator
GB1013021A (en) Improvements in or relating to tuning indication circuits for am/fm receivers
US3601899A (en) Single core solid-state compass
US3760255A (en) Ac to dc converter circuit
US3167719A (en) Phase locked detector
US2330902A (en) Detector and automatic volume control circuit for frequency-modulation receivers
US3748582A (en) Control signal generating circuit for sharp frequency response tuning
GB807780A (en) Improvements in or relating to circuit arrangements for automatic volume control
US2501077A (en) Ratio detector circuit
US2351191A (en) Heterodyne elimination circuit
GB1013022A (en) Improvements in or relating to tuning indicators for am/fm receivers
US2369585A (en) Frequency modulation receiver
US2853603A (en) Dual channel transistor amplifier
US2605397A (en) Radio receiver for single side band signals
GB856892A (en) Means for reducing the threshold of angular-modulation receivers
US3723765A (en) Linear frequency detector for analog to digital converter
CA1047181A (en) Indicating circuit for an fm stereophonic signal receiver
GB896688A (en) Improvements in or relating to frequency discriminators
GB1137250A (en) Signal amplitude control circuit
GB1449996A (en) Arrangement for audio-frequency switching in am-fm receivers
SU406289A1 (ru) Устройство автоподстройки частоты
GB1078070A (en) Changeover device for two radio receivers