JPS51141511A - Channel selection control mode-switching device - Google Patents

Channel selection control mode-switching device

Info

Publication number
JPS51141511A
JPS51141511A JP6572575A JP6572575A JPS51141511A JP S51141511 A JPS51141511 A JP S51141511A JP 6572575 A JP6572575 A JP 6572575A JP 6572575 A JP6572575 A JP 6572575A JP S51141511 A JPS51141511 A JP S51141511A
Authority
JP
Japan
Prior art keywords
channel selection
control mode
switching device
selection control
mode
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
JP6572575A
Other languages
Japanese (ja)
Other versions
JPS5828931B2 (en
Inventor
Takeo Yoshimoto
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6572575A priority Critical patent/JPS5828931B2/en
Publication of JPS51141511A publication Critical patent/JPS51141511A/en
Publication of JPS5828931B2 publication Critical patent/JPS5828931B2/en
Expired 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
    • H03J5/0272—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H03J5/0281—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer 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)
  • Superheterodyne Receivers (AREA)

Abstract

PURPOSE:Control means for normally holding the control mode at the manual mode and for switching the manual mode to the recall mode by a signal based on a recall operation and automatically resetting it to the manual mode after a predetermined time is provided to prevent a channel selection malfunction.
JP6572575A 1975-05-31 1975-05-31 Senkiyokusousou Samo - Dokirikaesouchi Expired JPS5828931B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6572575A JPS5828931B2 (en) 1975-05-31 1975-05-31 Senkiyokusousou Samo - Dokirikaesouchi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6572575A JPS5828931B2 (en) 1975-05-31 1975-05-31 Senkiyokusousou Samo - Dokirikaesouchi

Publications (2)

Publication Number Publication Date
JPS51141511A true JPS51141511A (en) 1976-12-06
JPS5828931B2 JPS5828931B2 (en) 1983-06-18

Family

ID=13295270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6572575A Expired JPS5828931B2 (en) 1975-05-31 1975-05-31 Senkiyokusousou Samo - Dokirikaesouchi

Country Status (1)

Country Link
JP (1) JPS5828931B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169416A (en) * 1980-05-30 1981-12-26 Matsushita Electric Ind Co Ltd Reception frequency tuning system
JPS5772416A (en) * 1980-10-07 1982-05-06 Furuno Electric Co Ltd Controller for receiving frequency of receiver

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169416A (en) * 1980-05-30 1981-12-26 Matsushita Electric Ind Co Ltd Reception frequency tuning system
JPS637489B2 (en) * 1980-05-30 1988-02-17 Matsushita Electric Ind Co Ltd
JPS5772416A (en) * 1980-10-07 1982-05-06 Furuno Electric Co Ltd Controller for receiving frequency of receiver

Also Published As

Publication number Publication date
JPS5828931B2 (en) 1983-06-18

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