JPS57152721A - Digital channel selecting device - Google Patents

Digital channel selecting device

Info

Publication number
JPS57152721A
JPS57152721A JP3920081A JP3920081A JPS57152721A JP S57152721 A JPS57152721 A JP S57152721A JP 3920081 A JP3920081 A JP 3920081A JP 3920081 A JP3920081 A JP 3920081A JP S57152721 A JPS57152721 A JP S57152721A
Authority
JP
Japan
Prior art keywords
memory
ram
specific value
holding
contents
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.)
Granted
Application number
JP3920081A
Other languages
English (en)
Japanese (ja)
Other versions
JPH023566B2 (enExample
Inventor
Toshifumi Sakata
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP3920081A priority Critical patent/JPS57152721A/ja
Publication of JPS57152721A publication Critical patent/JPS57152721A/ja
Publication of JPH023566B2 publication Critical patent/JPH023566B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
    • H03J5/0263—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter the digital values being held in an auxiliary non erasable memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
JP3920081A 1981-03-18 1981-03-18 Digital channel selecting device Granted JPS57152721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3920081A JPS57152721A (en) 1981-03-18 1981-03-18 Digital channel selecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3920081A JPS57152721A (en) 1981-03-18 1981-03-18 Digital channel selecting device

Publications (2)

Publication Number Publication Date
JPS57152721A true JPS57152721A (en) 1982-09-21
JPH023566B2 JPH023566B2 (enExample) 1990-01-24

Family

ID=12546477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3920081A Granted JPS57152721A (en) 1981-03-18 1981-03-18 Digital channel selecting device

Country Status (1)

Country Link
JP (1) JPS57152721A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04129940A (ja) * 1990-09-19 1992-04-30 Fuji Xerox Co Ltd 紙粉除去装置

Also Published As

Publication number Publication date
JPH023566B2 (enExample) 1990-01-24

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