JPS5352304A - Digital display unit for channel selection frequency - Google Patents

Digital display unit for channel selection frequency

Info

Publication number
JPS5352304A
JPS5352304A JP12723576A JP12723576A JPS5352304A JP S5352304 A JPS5352304 A JP S5352304A JP 12723576 A JP12723576 A JP 12723576A JP 12723576 A JP12723576 A JP 12723576A JP S5352304 A JPS5352304 A JP S5352304A
Authority
JP
Japan
Prior art keywords
channel selection
display unit
digital display
selection frequency
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.)
Pending
Application number
JP12723576A
Other languages
Japanese (ja)
Inventor
Kanji Yoshikawa
Sadayuki Terakado
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12723576A priority Critical patent/JPS5352304A/en
Publication of JPS5352304A publication Critical patent/JPS5352304A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
    • H03J1/047—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's
    • H03J1/048—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's with digital indication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

PURPOSE:To inform the fluctuation of the local oscillation frequency by counting and displaying the receiving frequency intermittently with a long cycle so that no noise becomes conspicuous even after completion of the channel selection.
JP12723576A 1976-10-25 1976-10-25 Digital display unit for channel selection frequency Pending JPS5352304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12723576A JPS5352304A (en) 1976-10-25 1976-10-25 Digital display unit for channel selection frequency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12723576A JPS5352304A (en) 1976-10-25 1976-10-25 Digital display unit for channel selection frequency

Publications (1)

Publication Number Publication Date
JPS5352304A true JPS5352304A (en) 1978-05-12

Family

ID=14955052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12723576A Pending JPS5352304A (en) 1976-10-25 1976-10-25 Digital display unit for channel selection frequency

Country Status (1)

Country Link
JP (1) JPS5352304A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58101530A (en) * 1981-12-14 1983-06-16 Matsushita Electric Ind Co Ltd Display device for reception frequency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58101530A (en) * 1981-12-14 1983-06-16 Matsushita Electric Ind Co Ltd Display device for reception frequency

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